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accuracy

Fields to provide estimates of accuracy, both geometric and measurement (e.g., radiometric) accuracy.

alternate-assets

Describes alternate locations and mirrors of assets

altimetry

Altimetry Extension Specification

anonymized-location

Provides a way to anonymize location data

archive

Archive extension that deals with cases when files are not directly accessible on their respective storage, but are part of an archive file, such as ZIP or TAR archives.

authentication

Adds fields to define authentication or authorization flows used to access Assets and Links behind security

card4l

Describes how to comply to the CEOS CARD4L specifications (SAR and Optical) with STAC

ceos-ard

Describes how to comply to the CEOS-ARD specifications with STAC. Supersedes the STAC CARD4L extension.

cf

Allows to provide the Standard Name Table based on the CF metadata convention.

classification

Describes categorical values and bitfields to give values in a file a certain meaning (classification).

cmip6

composite

Defines how virtual assets can be composed from existing assets in STAC

contacts

A list of contacts with detailed information such as address, phone numbers, emails etc.

datacube

Datacube related metadata to describe their dimensions and variables.

eo

Covers electro-optical data that represents a snapshot of the Earth. It could consist of cloud cover and multiple spectral bands, for example visible bands, infrared bands, red edge bands and panchromatic bands.

example-links

Allows to provide links to examples, e.g. code snippets.

file

Specifies file-related details such as size, data type and checksum for assets and links in STAC.

forecast

Common fields for (meteorological/weather) forecast data.

goes

STAC Extension for NOAA GOES (Geostationary Operational Environmental Satellite) products

grid

Describes gridded data products, especially the grid code.

hsi

Extension for Hyperspectral Imagery, to preserve the wavelength information for Items.

insar

STAC extension for InSAR (Interferometric Synthetic Aperture Radar)

item-assets

Provides a way to specify details about what assets may be found in Items belonging to a Collection.

label

Items that relate labeled AOIs with source imagery.

landsat

Landsat data fields

language

Fields and recommendations around making multi-lingual STAC catalogs available.

mgrs

MGRS extension that provides information about the latitude band, grid square and UTM zone.

ml-aoi

An Item and Collection extension to provide labeled training data for machine learning models.

ml-model

An Item and Collection extension to describe machine learning (ML) models that operate on Earth observation data.

noaa-mrms-qpe

STAC Extension for NOAA MRMS QPE (Multi-Radar Multi-Sensor Quantitative Precipitation Estimation) products