394 docs tagged with "calval ingest"

Services or systems enabling data search, discovery, retrieval, and dissemination; may refer to functionality, service providers, or entities providing access.

A collection of AIPs that is defined by a Collection Description but for which there is no Packaging Information for the collection in Archival Storage.

OAIS functional entity that makes archival information holdings and related services visible to consumers.

Information specifying access restrictions on content, including legal terms, licensing, access control, and rights enforcement specifications as defined in submission agreements.

OAIS functional entity that makes archival information holdings and related services visible to consumers.

The capability to access available data.

Closeness of agreement between a measured quantity value and a true quantity value of a measurand.

Process from on-board recording and downlink to ground reconstruction of instrument source packets.

Computation of a non-conflicting timeline for space segment and station reception activities, accounting for budgets, capacities, station availability, and cross-mission conflict resolution.

A request that is generated by a Consumer for information the OAIS has indicated is currently available.

OAIS functional entity that controls day-to-day operation of other OAIS functional entities.

Data collected and maintained by agencies are used to administer (or run) programs and provide services to the public.

The presentation of many data files as one consistent block of time and space.

Series of steps or rules for solving a problem or performing a task, especially by a computer.

Document detailing the theoretical foundation of an algorithm, including physical theory, mathematical procedures, and assumptions, updated with algorithm changes.

Verification method using analytical techniques to demonstrate theoretical compliance with requirements through review, modeling, simulation, calculations, or data comparisons.

Processed data product geometrically referenced and minimally corrected to enable direct use without additional user processing.

Systematic computational analysis of data or statistics to discover, interpret, and communicate meaningful patterns for decision-making.

Data stores offer reliable and flexible storage for processed data and make it available for queries and analysis on a large scale.

Data acquired on the same platform as the main sensor but not from the sensor itself, used primarily for processing instrument data.

Computer program designed for specific end-user tasks, distinct from system or utility software.

According to Wikipedia, "In computer programming, an application programming interface (API) is a set of routines, protocols, and tools for building software and applications.

Procedure for assessing the value and suitability of Earth observation space data sets for long-term preservation.

Information package containing content and preservation description information preserved within an OAIS.

System for long-term storage of data products with guaranteed preservation.

Functional entity managing day-to-day operations of an archive system, including hardware, software, monitoring, error recovery, maintenance, and reporting.

The organizational structure of an archive based on a sufficient number of qualified staffs with clear roles and responsibilities.

An ARP is written in collaboration with the Data Producers early on in the process, in which recommendations are assembled for what exactly should be archived.

Professional trained in preserving original materials and facilitating access, with expertise across the records life cycle and strong research skills.

Area (or volume) where concentration does not deviate from the station value by more than a specified range.

- A physical object that is made or modified by human culture - a three-dimensional object held in an archives - a library or archival resource that has value as a physical object in addition to it...

The ability of a digital computer or computer-controlled robot to perform tasks commonly associated with intelligent beings.

All information and tools relevant to instrument data that ensure its usability, legibility, and understandability.

Data representing spacecraft orientation, pointing, calibration, alignment, Euler angles, quaternions, rates, biases, and associated accuracy parameters.

The degree to which a person (or system) regards an object as what it is purported to be.

Recognized as the official copy of the object from the originating source that has not been altered.

Entity with verified access to accurate information from an issuing source to validate identity evidence during proofing.

Official management decision to authorize use of an information system based on an authorization package and accepted risk to operations, assets, and reputation.

Data enhancing processing and utilization of main sensor data, collected via different processes or platforms, and usable as independent datasets.

The quality of being at hand when needed.

- measurement bias: estimate of a systematic measurement error - instrument bias: average of replicate indications minus a reference quantity value - estimate of a systematic forecast error.

Reconciling differences between sensors and/or products by a simple multiplication or addition of a correction factor.

Data sets so large or complex that traditional data processing applications are inadequate.

Process of viewing browse data or images to quickly assess them before accessing full-resolution or broader spatio-temporal data.

Subsets of data sets, other than directory and metadata, that facilitate user selection of specific data by providing reduced-resolution or simplified representations.

Visual representation of a product (as an image) to help and support product selection in the frameof the user service facility.

Set of functions with a well-defined external interface allowing reuse for different missions.

A software-based mechanism that is designed to move large data files.

Bulk Dissemination is a special service provided in case of high volumes of data to be disseminated to User (Research on-demand or Operational).

An order request for data from tape or disk cache which spans a month or more.

Process of quantitatively defining a system's response to known, controlled inputs using reference measurements.

Data required to calibrate instrument science data, engineering data, and spacecraft data, including pre-flight and in-flight measurements, calibration coefficients, and ground truth.

System that provides discovery of information on which Earth observation products can be obtained.

Functionality to expose or publish product-level catalogues using protocols such as the Open Geospatial Consortium's Catalogue Service for Web (CSW).

A NCEI director certification of archive authenticity.

PDGS function implementing the distribution of products between facilities in the same or different geographic locations.

A person who creates or generates models that leverage predictive or prescriptive analytics, but whose primary job function is outside of the field of statistics and analytics.

A time series of measurements of sufficientlength, consistency, and continuity to determineclimate variability and change.

Diagnostic time series representing the state of a climate system, derived from specific atmospheric or oceanic variables.

Long-term average of a climate variable, typically over 20–30 years, computed for specified time ranges such as monthly or daily means.

Model for on-demand network access to a shared pool of configurable IT resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with min...

The format of data that is ideal in a cloud infrastructure to make them tractable to support cloud-native analysis or access.

Group of products that have been processed using a consistent radiometric calibration, geometric registration base, data/metadata format, and version of processing algorithms.

Set of collections sharing a specific characteristic, e.

The purpose of the CDE Project is to standardize the collection of investigational data to facilitate comparison of results across studies and more effectively aggregate information into significan...

The supporting services such as inter-process communication, name services, temporary storage allocation, exception handling, security, and directory services necessary to support the OAIS.

A state of being in accordance with established guidelines or specifications.

Consolidation is the process to provide a set of products for long-term archiving and further processing.

Role of persons or client systems that interact with OAIS services to find and access preserved information.

Information object comprising content data and representation information, serving as the primary target for preservation.

Information documenting the relationships of content information to its environment, including its creation purpose and connections to other content objects.

Information requiring safeguarding or dissemination controls under law, regulation, or government policy, excluding classified national security information or atomic energy information.

Coordinate-based framework for defining and locating geographical entities locally, regionally, or globally.

Symmetric positive semi-definite matrix of dimension N × N associated with an estimate of a real vector quantity of dimension N × 1, containing on its diagonal the squares of the standard uncertain...

Value-adding, organizational, presentational, and preservation activities to establish, increase, and sustain the value of Earth observation data over its lifecycle.

Value and possibly Uncertainty of a Trait of a specific Entity.

Includes all stages of the process of acquiring a data product or services, beginning with the process for determining the need for the product or service and ending with the final stage of data st...

Senior role responsible for translating business requirements into technology requirements and designing an organization’s enterprise data management framework, including standards, processes, and ...

Data architecture describes the structure of an organization's logical and physical data assets and data management resources.

(1) A collection of data sets associated with a system, project, or facility. (2) A collection of interrelated or independent data items stored together in a structured way to serve one or more app...

System for discovering Earth observation data products, organized into collections with access controls based on product and user type.

Process of exposing product or collection-level catalogs via standardized protocols such as OGC CSW.

Facility that stores, maintains, and provides access to datasets, including data selection, replication, documentation, and tailored product generation.

The process by which governments, non-governmental organizations and corporations claim ownership of and privatize the data that is produced by their users and citizens.

Reduction of file size via compression algorithms, rendering the file unreadable without decompression.

Multi-dimensional array of values representing data along axes such as space, time, or other measurable dimensions.

Role responsible for annotating, publishing, and managing data to ensure long-term value, availability, and reusability.

Describes a methodological framework of values and actions that benefit and minimize any harm to the public or the typical user.

A formal repository of terms used to describe data.

Entity that provides access to data for end users, ensuring accessibility and reliability across disciplinary boundaries.

A computer file that contains any type of data, including a word processing document or spreadsheet.

Framework for combining data from multiple sources to produce higher-quality information, with quality defined by application context.

A set of processes that ensures that data assets are formally managed throughout the enterprise.

Process of making datasets from different sources compatible through consistent naming, units, and coordinates to enable combined use.

A data lake is a centralized repository that allows you to store all your structured and unstructured data at any scale.

Legal instrument granting rights to use protected data, where open data requires an explicitly applied license conforming to the Open Definition.

Services and functions for populating, maintaining, and accessing diverse information such as catalogs, processing algorithms, access statistics, security controls, and OAIS policies.

Plan describing how scientific data will be generated, processed, distributed, analyzed, archived, managed, described, stored, protected, and standardized throughout a project's lifecycle.

Services that enforce standards, ingest data, develop collections and products, maintain databases, ensure secure archival, provide user- and machine-accessible interfaces, assist users, migrate te...

A role responsible for the management and organization of data assets.

Beta Products intended to enable users to gain familiarity with the parameters and the data formats. Provisional Product was defined to facilitate data exploration and process studies that do not r...

Transfer of data between storage types, formats, or systems with minimal change, often driven by acquisitions, relocation, or system scaling, and used to rethink data strategy and architecture.

An analytical process that attempts to find correlations or patterns in large data sets for the purpose of data or knowledge discovery.

An Earth science metadata model, which supports the data standardization necessary for total system interoperability within a heterogeneous, open systems environment.

An entity that, together with associated Representation Information, is the original target of preservation.

A person who operates a computer in a datacenter and performs such activities as commanding the operating system, mounting disks and tapes and placing paper in the printer.

Collective set of data actions including collection, retention, logging, generation, transformation, use, disclosure, sharing, transmission, and disposal.

Entity or organization that develops novel data products or improved algorithms, including system developers, operators, researchers, and data stewards responsible for data production or collection.

An entity that archives and distributes data.

Metric—such as a number, graph, uncertainty budget, or flag—that enables users to evaluate the fitness for purpose of data or derived products.

Data or information in a fixed form with consistent content, structure, and context; for Earth observation, it includes instrument data, browse data, ancillary and auxiliary data, calibration and v...

Multidisciplinary approach to extracting actionable insights from large datasets through data preparation, advanced analysis, and result visualization to inform stakeholder decisions.

Logically meaningful collection of similar or related data with shared characteristics—such as source, processing level, or resolution—grouped to meet specific coverage or revisit requirements.

Collection of data sets sharing the same product specification.

Individuals responsible for establishing, maintaining, and being accountable for the quality, integrity, documentation, and preservation of environmental data.

Application of rigorous analyses and oversight to ensure data sets meet user needs, including metadata documentation, observing system feedback, inter-comparison, reprocessing, and recommendation o...

(1) A collection of hardware and software to perform one or more specific data processing, analysis, storage, retrieval or distribution functions. (2) An integrated system ideally containing online...

A data sequence that is designed to be consistent over a defined time interval.

Process of converting data or information from one format to another, typically from a source system to a required destination format, including language or structural transformations for platform ...

Data Use Metrics represent statistics on data access volumes, user groups, usefulness/popularity of tools and services.

Executed agreement between a data provider and a data recipient that specifies the terms under which the data can be used.

A document, either on-line or hardcopy, containing the necessary information for the correct usage of the data.

Unified database that holds and makes accessible an organization’s entire business information with subject-based classification, normalized design, and enterprise-wide data organization.

Web page containing descriptive information and relevant documentation to facilitate understanding and use of a dataset.

maximum interval through which a value of a quantity being measured can be changed in both directions without producing a detectable change in the corresponding indication.

Higher-level products (level 1b through 4) generated by applying calibration, geo-location transformations, and algorithms to produce sensor units or gridded geophysical parameters.

Set of information identifying an archived dataset for long-term preservation, including spatial mission and payload details, data composition, availability, time span, volume, storage media, and a...

Scientific or other user group in the same or related disciplines with a vested interest in the long-term availability and usability of a preserved dataset.

measured quantity value, obtained by a given measurement procedure, for which the probability of falsely claiming the absence of a component is β, given a probability α of falsely claiming its pres...

Persistent identifiers that are globally unique character strings that reference physical, digital, or abstract objects.

“Discovery” service for what services are available in the PDGS, i.e.

Descriptions of metadata or data set catalogues accessed as a component of the Catalogue Service containing high level information suitable for making an initial determination of the potential usef...

A field of study such as oceanography, meteorology, geology, or marine biology.

Any service that helps the user to identify and locate EO resource starting from his needs.

Function that delivers final products to users via physical media, electronic distribution (e.g., ftp-push), or online server access (e.g., ftp-pull), including preparation of delivery media and ma...

[OAIS]Information Package - derived from one or more AIPs (Archival Information Package) -supplied to the Consumer in response to a request to the OAIS.

Request for dissemination of specific products, parameterized by delivery method, medium, address, and product selection criteria, often part of a bulk dissemination request.

The information component of a data set's associated knowledge may include mission, instrument, calibration, and other information in the form of text documents.

Subject-matter expert with authoritative knowledge in a specific domain, especially in expert systems development.

Data stream from the satellite to a receiving station during visibility of the satellite from the station.

A unified and coherent set of observations of a given parameter of the Earth system, which is optimized to meet specific requirements in addressing science questions.

Data which describe the physical condition and operation of the platform and instruments on the platform.

Recorded and derived observations and measurements of physical, chemical, biological, geological, and geophysical properties of the Earth system, including correlative data, metadata, documentation...

Earth Observation data generated by spaceborne missions or instruments owned by public or private organizations.

This category is intended to include all entities dealing with the archiving of EO space data and responsible for their preservation in the long term.

Private or public institutes responsible for Earth Observation space missions and the production of derived data products at various levels.

User communities that rely on Earth Observation space data and products for application areas such as climate monitoring, agriculture, or disaster response.

Measured quantity value minus a reference quantity value.

Physical, chemical, or biological variable or group of linked variables critical to characterizing Earth’s climate and providing empirical evidence for climate understanding, prediction, and servic...

An event is any environmental observation of significance.

Services, applications, and platforms that process and utilize space mission data to derive meaningful information and generate benefit.

Collaborative Big Data processing environment enabling communities to share algorithms, data, and expertise for mission-specific or multi-mission research and service provisioning.

Saving a copy of a document, database, image, or video in a file format compatible with another application.

Guiding principles for enhancing Findability, Accessibility, Interoperability, and Reuse of digital assets with machine-actionability.

Grouping of functional activities operated together, including their hardware instantiation in an Operations Center.

A group of Archives that has agreed to provide access to their holdings via one or more common finding aids.

used as a fixed standard of reference for comparison or measurement (fiducial point).

index mark on a test system that allows automatic geometric identification and orientation detection of an object using imaging systems.

Independent measurements traceable to SI standards, produced with documented uncertainties to validate satellite data.

an area of the object space scanned by the field-of-view of a scanning sensor.

the solid angle from which the detector receives radiation.

A protocol used to transfer files over an IP network.

The information which documents the mechanisms that ensure that the Content Information object has not been altered in an undocumented manner.

Personnel and elements responsible for planning, executing, and evaluating control of the space segment in orbit.

the area of a target encircled by the field-of-view of a detector of radiation, or irradiated by an active system.

Fixed-size product generated from a longer data segment, with fixed frames having predefined geographical footprints and floating frames starting at user-chosen positions.

Self-contained software routine that performs a task by processing input values and optionally returning results.

Long-term, stabilised record of calibrated sensor observations in physical units with quantified uncertainty and associated ancillary data.

Derived data product created by merging two or more fully interoperable products into a single, non-reversible dataset.

The branch of applied mathematics that deals with the measurement of the shape and area of large tracts of country, the exact position of geographical points, and the curvature, shape, and dimensio...

Ability of a sensor system to distinguish signals from neighboring object structures.

Metadata providing contextual information about a dataset as a whole to enable independent usability.

The smallest aggregation of data which is independently managed (i.e.

These are metadata elements that describe a single granule of a data product.

linear distance between pixel centres on the ground.

Geophysical parameter data, measured or collected by other means than by the instrument itself, used as correlative or calibration/validation data for that instrument data.

The guide function is part of the user information function to provide information about satellites, sensors, product types and services.

Part of a Catalogue Service that provides detailed information concerning specific data sets which enable the user to make a detailed analysis of whether a data set or a specific granule within the...

Heterogeneous data are any data with high variability of data types and formats.

Data drawn from a single population with constant external influences throughout the observation period.

Unlike harmonisation, homogenisation is where all satellites are forced to look the same such that when looking at the same location at the same time they would (in theory) give the same signal.

Housekeeping telemetry (HKTM) is all the telemetry necessary to monitor the health and status of the satellite and transmitted through the telemetry link.

Automated or semi-automated input of data sets between different software applications.

(1) a direct measurement of the measurand in its original place (2) any sub-orbital measurement of the measurand.

Quantity value provided by a measuring instrument or a measuring system.

Quantity that affects the relation between the indication and the measurement result without affecting the measured quantity.

Result of organizing, interpreting, categorizing, or classifying data to assign meaning understandable by the addressee.

Data object combined with its representation information, enabling interpretation and exchange of meaning.

Logical container containing optional content information and associated preservation description information, with packaging and package description information for identification and search.

Product formed by selecting, acquiring, evaluating, analyzing, synthesizing, assessing, restructuring, aggregating, translating, packaging, or repackaging data and information from various sources.

System composed of hardware, software, and operational procedures for processing, storing, or transmitting data.

Process of accepting data from sources such as ground segment reception or processing, performing quality checks, extracting metadata including browse images, and forming a data product for archivi...

Process of accepting data from sources such as ground segment reception or processing, performing quality checks, extracting metadata including browse images, and forming a data product for archivi...

One operational incarnation of an element with its configuration.

A measure of the spatial resolution of a remotesensing imaging system.

Hardware system that collects scientific or operational data, or a hardware-integrated collection of one or more sensors contributing data of one type to an investigation.

Determination of parameters describing instrument characteristics for generating calibrated and comparable physical values, varying by instrument, mode, and over time due to degradation.

Data specifically associated with the instrument, either because it was generated by the instrument or included in data packets identified with that instrument.

An individual packet of data formatted by the instrument and reconstituted from within the descrambled VCDUs.

Continuous or incremental change over time in indication, due to changes in metrological properties of a measuring instrument.

Software components within the management system that perform this preprocessing task.

IPAs are agreements between ESDIS and projects not managed by ESDIS.

ICDs are used to record design agreements for the interfaces between participating organizations.

Accurate determination of orbital distances between satellites with compatible orbits, required for SAR and differential interferometry applications.

Ability of different information technology systems and software applications to communicate, exchange data, and use the exchanged information, including interoperable discovery and access across c...

Set of two or more ARD products sufficiently documented to enable processing across a continuum of geometric and/or radiometric standards for direct quantitative comparison.

Organization capability for archiving management, enabling grouping, searching, and identification of data products for retrieval, statistics, and reorganization; also refers to the list of availab...

Part of a Catalogue Service containing information to identify and retrieve individual granules given variable ranges, including extracted granule metadata and ordering details.

A specific implementation of an inventory service.

Information package containing consolidated data records and associated knowledge for a specific product type of an EO mission instrument, tailored to the designated community.

### Notes Knowledge Information Package (KIP) - An information package containing the (consolidated) data records for a specific product type (collection) of an EO mission instrument plus the asso...

Period between the end of sensing of a Phenomenon to the beginning of availability of a specific product.

Evolution of a system, product, service, project, or other human-made entity from conception through retirement.

The history of processing of a data element, which may include point-to-point data flows and the data actions performed upon the data element.

Logical unit of information defined by content, function, and use rather than physical storage; portions may span multiple physical records or multiple logical records may reside in one.

That portion of a volume which is viewed by acomputer operating system as a volume.

System for long-term storage of data, separated from primary media for compliance or archival purposes, organized as files or cataloged structures.

The act of maintaining information in a correct and independently understandable form over the long term.

The use and development of computer systems that are able to learn and adapt without following explicit instructions, by using algorithms and statistical models to analyze and draw inferences from ...

Activities sustaining equipment and software in current operational configuration.

Consolidated and quality-checked data record resulting from consolidation procedures, used for preservation, dissemination, and further processing in Earth Observation data stewardship.

Maturity Matrix/Model is a measurement of the ability of an organization for continuous improvement in a particular discipline.

Particular Quantity subject to Measurement.

Detailed description of a measurement based on one or more principles and methods, including the measurement model and all calculations to obtain a result.

Data describing other data, providing an understanding of the content and utility of a product or collection.

A generalised description of an approach or set of approaches to carry out a particular task.

Tools designed to facilitate decision making and improve performance and accountability through collection, analysis, and reporting of relevant performance-related data.

Transfer of digital information to new hardware or software environments to preserve it and overcome technological obsolescence, excluding format conversion as reprocessing.

Mission Specific period characterized by a set of parameters (e.g.

Computation of non-conflicting timelines for space payload activities and ground station reception, accounting for budgets, capacities, and station availabilities, including cross-mission conflict ...

(1) systematic evaluation over time of some quantity (2) by extension, evaluation over time of the performance of a system, of the occurrence of an event etc.

Function ensuring nominal operation of ground segment resources and making activities visible and traceable through operator interaction for failure handling.

Data available with a small, application-dependent latency, typically 3 hours in meteorological applications.

Data available for use with a specified (small and application dependent) latency, typically 3 hours for meteorological applications.

Function that informs registered recipients—internal ground segment elements or external users—about events in payload data.

Collection of products that are generated in response to a user’s request.

Fully automated generation of a requested product for immediate download, with processing time not exceeding 10 minutes.

Function providing direct online availability of products for user download.

Principle that published research outputs, especially from publicly-funded work, should be freely accessible to all without subscription barriers.

Organization with people and systems responsible for preserving information and making it available to a designated community, meeting defined archival responsibilities.

Data freely accessible, usable, modifiable, and shareable for any purpose, subject only to attribution or share-alike requirements, as defined by the Open Definition.

Practice of science adhering to open principles, including open access publishing, sharing research data and source code as open data, and using open-source tools.

Software with source code available under an open license, permitting free use, inspection, modification, and redistribution by users with technical capability.

Database optimized for frequent queries on transactional data, updated during business operations and typically serving as an interim staging area for a data warehouse.

It is recognized as an important data source for the data repository and operational reporting.

Pre-defined end-to-end flow of operation characterized with respect to the implemented overall data flow and interaction between the external entities and the PDGS system components. Typically, an ...

Activities directly related to the acquisition, archiving, distribution, and processing of mission-related information.

Physical location where “ Facilities ” are operated and/or coordinated, comprising infrastructure, human resources, operational procedures, etc.

Part of the PDGS being in charge of the management of the PDGS systems and operational procedures in order to provide the PDGS services to the users.

Path in space described by a satellite revolving around the Earth under mutual gravitational attraction.

Generation of attitude and state vectors to describe spacecraft position over time, computed either in advance (predicted) or after observation (restituted or precise).

Agreement specifying physical delivery details of data, such as media type and format.

Group of data access services enabling delayed delivery due to non-immediate availability or need for formatting, transformation, or packaging.

The act of inviting users (or stakeholders more broadly) to engage in a mutually beneficial exchange.

A description of the package, which allows the user to understand the structure of the information package.

A measurable or derived variable occurring in the physical or digital world.

Data transmitted via the payload telemetry link, presented as instrument data, platform ancillary data, and housekeeping telemetry after packet extraction and reordering.

The personnel and elements performing mission operations related to payload data.

Any physical material capable of holding data(e.g., pages, film, magnetic tape, optical disk, wire, silicon).

Support carrying instrument(s) or sensor(s), such as a spacecraft, aircraft, or ground-based platform.

The probability that a point measurement lies within a specific range of area-average (volume-average) concentration value.

Closeness of coordinate value to the true or accepted value in a specified reference system.

Orbit model derived from all available satellite tracking data and dynamical corrections, achieving highest accuracy.

Closeness of agreement between indications or measured values obtained by replicate measurements on the same or similar objects under specified conditions.

These state vectors are calculated (e.g.

Preliminary orbits are based on the fast delivery tracking data.

Processes and operations used to ensure data technical and intellectual survival through time.

Reference, context, provenance, and fixity information, which is required for adequate preservation of the content information.

A set of actions recommended for the preservation of an “EO Missions/Sensors data set” (i.e.

The individual items making up a complete Earth Observation data se t to be preserved, including data records , and the a ssociated knowledge , i.e.

A set of results from a scientific observation, i.e.

Specified way to carry out an activity or a process.

Series of activities that interact to produce a result.

Established documented evidence providing high assurance that a process consistently produces products meeting predefined specifications and quality characteristics.

Generation of higher-level products from lower-level and auxiliary products using version-controlled core algorithms supplemented by administrative functions.

A combination of processor versions, auxiliary data and other needed enablers that allows the generation of a coherent set of EO products.

Raw Data The physical telemetry payload data as received from the satellite, i.e.

Role of persons or systems providing information to be preserved, including other OAISs or internal entities.

Electronic data package distributable to users; content is derived from instrument data via processing involving ancillary and auxiliary data.

Suite of products organized by thematic category into foundational data, geophysical products, and analytical reports.

Determination of quality parameters for individual products through automated or manual activities such as quick look visualization.

Scientifically knowledgeable team ensuring products are generated, high quality, well documented, and delivered to the archive.

Ensemble of all available products of a specific product type.

Request for producing one or more products, typically tied to a user order and parameterized with processing, input, and optional output parameters.

Observable Trait.

Information documenting the origin, history, modifications, inputs, algorithms used, and custody of content.

Information documenting the origin, history, modifications, inputs, algorithms used, and custody of content.

Computing data physically close to its source to minimize remote processing and data transfer.

To permanently and irrecoverably remove all copies of an Earth Observation data set held in an organization.

Degree to which a set of inherent characteristics of an object fulfils requirements.

Derivation of quality indicators sufficient to assess fulfillment of quality requirements.

Part of quality management focused on providing confidence that quality requirements will be fulfilled.

Activities to check and optimize data accuracy and precision after collection; part of quality management focused on fulfilling quality requirements.

Indicator providing sufficient information to allow all users to readily evaluate the fitness for purpose of the data or derived product.

Secondary data required to assess the primary data set’s fitness for purpose, e.g.

Property having a magnitude that can be expressed as a number from a continuous and contiguous range and a reference.

Withholding of an Earth observation product from distribution due to severe technical or quality issues.

Determination of radiometric instrument performance across spatial, spectral, and temporal domains by relating output to true radiometric values.

Component of measurement error that varies unpredictably in replicate measurements.

Time-ordered telemetry data from the instrument before any processing has been applied.

File providing metadata to ensure correct interpretation of associated data by users now or in the future.

Process of matching processed output data with relevant input data to detect unexplained losses and establish the output as the master dataset for archiving and further use.

Conceptual framework of unifying concepts for understanding relationships among entities in an environment and developing consistent standards, particularly for archival systems preserving digital ...

Transformation process converting data from one format to another, including reorganization, relocation, or dropping of fields, using well-defined rules to preserve information integrity.

A digital migration where the effect is to replacea media instance with a copy that is sufficiently exact so that all archival storage hardware and software continues to run as before.

Standard measurement uncertainty divided by the absolute value of the measured quantity value.

Repackaging is a digital migration which alters the packaging information of the AIP.

Measurement precision under conditions including the same procedure, location, equipment, and replicate measurements on similar objects over time.

A Digital Migration where there is no change to the Packaging Information, the Content Information, and the PDI.

A metadata repository, commonly referred to as a catalog, is accessed by client applications that support user queries.

Information enabling digital data to be interpreted and used, including structural, semantic, and format descriptions, provided formally (e.g., XFDU) or informally (e.g., text).

Quality or characteristic of a measurement or Observation to accurately represent a specific geographic location, time Period, or environmental condition.

Systematic generation of a new product revision using archived lower-level products, typically triggered by an improved processing algorithm.

Validity of study results through exact reproduction using the same data and methods to verify authenticity.

Changing the coordinates values of a dataset from one coordinate system to another coordinate system.

A request is the generic means to use a function of an element that provides the function as its service.

Technique of transforming a digital image to alter resolution, orientation, or sampling points for applications in medical, industrial, and remote sensing contexts.

A data product produced at a science computing facility by a research algorithm for later migration to a community consensus algorithm and can be archived and distributed by an archive center.

### Notes.

A software architectural style that defines a common method for defining APIs for Web services.

Orbit determination using delayed telemetry data with a one-day latency, computed from a three-day moving window and typically sampled every 60 seconds with lower precision than precise orbits.

The minimum amount of time that a key or other cryptographically related information should be retained.

Physical transfer of data from a repository to the user.

Data comprising housekeeping telemetry and payload data transmitted via the payload telemetry link.

Subset of instrument acquisition data segmented by time across the swath.

The definition of a data structure such as a database or XML file.

System for assessing and verifying quality of Raw Data Records (RDRs), Sensor Data Records (SDRs), Environmental Data Records (EDRs), and Temperature Data Records (TDRs) through distributed Product...

System overseeing the lifecycle of science data from acquisition to distribution to maximize scientific return for researchers, decision makers, and society.

Experts providing scientific oversight to ensure accurate data and metadata representation, guiding data quality, characterization, and usability requirements.

Structured, self-describing, open standards enabling N-dimensional scientific data representation via software libraries and machine-independent formats.

Process of locating information using search criteria and obtaining details on available products via searchable metadata, browse images, and catalogue services.

Web application interface enabling users to search collection or granule metadata using terms such as location, time, and characteristics.

Data used for processing or interpreting primary data.

Earth observation products with degraded quality relative to nominal standards, such as those acquired during maneuvers or special campaigns, still useful but requiring clear indication of status a...

Self-Service Access Model - a group of data access services which a user can employ to obtain data of interest without any delay as the data are immediately available.

The Representation Information that further describes the meaning beyond that provided by the Structure Information.

Quotient of the change in an indication of a measuring system and the corresponding change in a value of a quantity being measured. Note: sensitivity can depend on the value of the quantity being m...

Device or instrument suited (through physical/chemical interaction) to measure one or more properties of a Phenomenon and thus collect factual/objective data.

Long-term recording and trend analysis of parameters describing sensor quality and their level-0 outputs.

Output of an organization involving at least one activity performed between the organization and the customer, or a software component in a service-oriented architecture providing functionality or ...

Agreement defining expected service levels, measurement metrics, and remedies or penalties for unmet thresholds, applicable between companies or internal departments.

Software hosted and maintained by a third party, accessed via the web, with data storage and monetization managed by the host.

Data required for producing an Earth observation collection, including unenhanced satellite mission data, precision-corrected Level-1 radiance, or other pre-processed formats meeting program requir...

Method by which location or coverage is designated (e.g., latitude and longitude).

Maximum acceptable change in Uncertainty per decade.

Agency-certified key products systematically acquired and generated through extensive spatial and temporal processing.

Standard deviation of the probability distribution describing the spread of possible values in quantitative/continuous data.

Establish an agreement (not necessarily obligatory) on precise procedures and concepts.

Responsibility for planning, management, and certification of digital Earth observation data sets throughout mission phases, including curation, preservation, governance, and resource allocation fo...

The permanent holding place for digital data, until purposely erased.

Data with explicit structural relations between elements encoded in its storage format, such as XML or JSON, enabling logical interpretation distinct from visual layout.

Errors in satellite imagery affecting multiple pixels non-uniformly, where errors are correlated across affected regions due to localized systematic or random effects.

The agreement reached between an OAIS and theproducer that specifies a data model for the datasubmission session.

An Information Package that is delivered by the Producer to the OAIS for use in the construction or update of one or more AIPs and/or the associated Descriptive Information.

Service providing regular access to a predefined set of products, typically delivered online, with user enrollment via subscription requests and no further ordering required.

Service that notifies subscribers of data updates.

Extraction of a multi-dimensional rectangular pixel array from a data granule, defined by starting location and count along each dimension, or delivery of subset data based on time, space, variable...

Area covered by spatial samples collected during a scan of a spaceborne instrument, determined by its incidence angle.

Set of interrelated or interacting elements.

Component of measurement error that remains constant or varies predictably across replicate measurements.

Process of adding tags or annotations to components of unstructured data at a granular level to prepare it for analysis, enabling deeper insight beyond broad categorization.

Individuals who are responsible for establishing, maintaining, and being accountable for the.

Automated transmission of payload data (science, engineering) from a platform to receiving equipment via telemetry link, excluding commands, tracking, memory transfers, audio, or video.

Data stream of measured values (instrument science, instrument engineering, and spacecraftor platform engineering data), not including command, tracking, computer memory transfer, audio or video si...

Regular interval between observations or model time steps that determines the smallest resolvable event or process.

Small, very low resolution browse image which may be made available for users as part of the catalogue service .

Property of a measurement result whereby the result can be related to a Reference through a documented unbroken chain of calibrations, each contributing to the measurement uncertainty.

Sequence of measurement standards and calibrations that is used to relate a measurement result to a reference.

Migration of data from one storage medium to another (from old to new technologies) in order to preserve the data and for efficiency purposes.

A digital migration in which there is an alteration to the content information or preservation Description information of an archival information package.

Method of evaluation of a component of measurement uncertainty by a statistical analysis of quantity values obtained by measurements under repeatability conditions.

Method of evaluation of a component of measurement uncertainty by means other than a statistical analysis of quantity values obtained by measurement.

Parameter, associated with the result of a measurement, that characterises the dispersion of the values that could reasonably be attributed to the measurand.

Uncertainty associated with the method of measurement, as there can be other methods, some of them as yet unknown or in some way impractical, that would give systematically different results of app...

Compact sequence of characters identifying an abstract or physical resource on the Internet.

Reference to a web resource specifying its location and retrieval mechanism.

Information in diverse forms that does not conform to conventional data models, complicating storage and management in relational databases.

Entity (person, organization, institution, etc.) requesting data or information with specified characteristics.

Classification of users in order to provide PDGS services with different access rights and service levels.

Evidence-based practice of understanding user needs, challenges, and work environments to deliver useful, usable, and used products and services through ongoing mutual exchange.

Documentation intended to assist users in using a particular product, service, or application.

The user management function maintains information about registered users and supports registration, authentication and information needed for authorization.

User support is a function inside the payload data ground segment to support external users to interact with the segment, to handle user registration, inquiries, complaints.

Process of assessing, by independent means, the quality of the data products derived from the system outputs.

The production of a product in a manner that changes the physical state or form of the product and enhances its value, as demonstrated through a business plan.

Physical property whose value determines the characteristics or behavior of a system, such as temperature, pressure, or density.

Provision of objective evidence that a given item fulfils specified requirements.

Versioning refers to saving new copies of your files when you make changes so that you can go back and retrieve specific versions of your files later.

Post-launch calibration of sensors that make use of natural or artificial sites on the surface of the Earth.

A ‘Virtual’ AIP (vAIP) is an NCEI specific realization of the Open Archival Information System Reference Model (OAIS RM) concept of the Archival Information Package (AIP).

Display of an image representing a segment or subset of a data granule.

A unit of physical storage medium which contains data.

Object Storage accessible through HTTPS.

Orchestrated and repeatable pattern of business activity enabled by systematic organization of resources into processes.