{ "type": "Collection", "id": "8a8de3f9-2da7-4715-abbc-ef8d13a84c57", "stac_version": "1.1.0", "description": "[Repository](../collection.json) > 8a8de3f9-2da7-4715-abbc-ef8d13a84c57\n\n# Run 8a8de3f9-2da7-4715-abbc-ef8d13a84c57 from the GDM-SAR-In processing pipeline\n\nThe **GDM-SAR-In** (Ground Deformation Monitoring using SAR Interferometry) on-demand processing service is a [Data Terra](https://www.data-terra.org/) service developed and operated by its solid Earth hub, FormaTerre, in collaboration with [ISTerre](https://www.isterre.fr/) ([OSUG](https://www.osug.fr/)), [IPGP](https://www.ipgp.fr/), [CNES](https://cnes.fr/fr) and the [ISDeform NOS](https://www.isdeform.fr/). The service is deployed on the CNES computing center. It was set up with the support of CNES and [CNRS/INSU](https://www.insu.cnrs.fr/fr/institut-national-des-sciences-de-lunivers).\n\nIt is linked to the [Thematic Core Service « Satellite Data »](https://www.epos-eu.org/tcs/satellite-data) of the European research infrastructure [EPOS](https://www.epos-eu.org/), as GDM-SAR-In provides products that can be exposed on the [EPOS data portal](https://www.ics-c.epos-eu.org/).\n\nGDM-SAR-In uses the **NSBAS processing chain** (Doin et al., 2011, Grandin, 2015, see providers) to process radar images acquired by the Sentinel-1 satellites (in IW mode) of the [Copernicus](https://www.copernicus.eu/fr) program. It enables the user to calculate interferograms or **InSAR** time series, as well as other associated products. Detailed product descriptions are available in a [dedicated document](https://formater.pages.in2p3.fr/flatsim/).\n\nThis product contains data over 20 dates.\n\n`nsbas.proc`, `success_coreg_*txt`, `baseline*rsc`\n: List of the auxiliary files related to the interferogram processing for each subswaths (iw1, iw2, iw3). In particular busts selection and perpendicular baseline information.\n", "links": [ { "rel": "root", "href": "../collection.json", "type": "application/json", "title": "GDM-SAR-In" }, { "rel": "cite-as", "href": "https://flatsim.cnes.fr/doi/docs/NSBAS_Etna.pdf" }, { "rel": "cite-as", "href": "https://proceedings.esa.int/files/116.pdf" }, { "rel": "cite-as", "href": "https://www.mdpi.com/2072-4292/13/18/3734" }, { "rel": "license", "href": "https://creativecommons.org/licenses/by-nc/4.0/" }, { "rel": "child", "href": "./geo_collection.json", "type": "application/json", "title": "Ground geometry" }, { "rel": "child", "href": "./radar_collection.json", "type": "application/json", "title": "Radar geometry" }, { "rel": "parent", "href": "../collection.json", "type": "application/json", "title": "GDM-SAR-In" } ], "stac_extensions": [ "https://raw.githubusercontent.com/stac-extensions/processing/refs/heads/main/json-schema/schema.json", "https://raw.githubusercontent.com/stac-extensions/sar/refs/heads/main/json-schema/schema.json", "https://raw.githubusercontent.com/stac-extensions/sat/refs/heads/main/json-schema/schema.json" ], "uuid": "8a8de3f9-2da7-4715-abbc-ef8d13a84c57", "STAC hierarchy": { "0": { "title": "Repository", "href": "../collection.json" }, "1": { "title": "8a8de3f9-2da7-4715-abbc-ef8d13a84c57", "href": null } }, "ingestion_time": "2026-07-01T11:36:53.168740", "title": "8a8de3f9-2da7-4715-abbc-ef8d13a84c57", "extent": { "spatial": { "bbox": [ [ 54.6402817351855, -22.64291381359283, 56.32643570184502, -19.27807293032762 ] ] }, "temporal": { "interval": [ [ "2025-04-17T05:33:04Z", "2025-04-17T05:33:04Z" ] ] } }, "license": "CC-BY-NC-4.0", "keywords": [ "GDM-SAR-In", "InSAR", "NSBAS processing chain" ], "providers": [ { "name": "ESA", "description": "The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration. 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The service is deployed on the CNES computing center. It was set up with the support of CNES and [CNRS/INSU](https://www.insu.cnrs.fr/fr/institut-national-des-sciences-de-lunivers).\n\nIt is linked to the [Thematic Core Service « Satellite Data »](https://www.epos-eu.org/tcs/satellite-data) of the European research infrastructure [EPOS](https://www.epos-eu.org/), as GDM-SAR-In provides products that can be exposed on the [EPOS data portal](https://www.ics-c.epos-eu.org/).\n\nGDM-SAR-In uses the **NSBAS processing chain** (Doin et al., 2011, Grandin, 2015, see providers) to process radar images acquired by the Sentinel-1 satellites (in IW mode) of the [Copernicus](https://www.copernicus.eu/fr) program. It enables the user to calculate interferograms or **InSAR** time series, as well as other associated products. Detailed product descriptions are available in a [dedicated document](https://formater.pages.in2p3.fr/flatsim/).\n\nThis product contains data over 20 dates.\n\n`nsbas.proc`, `success_coreg_*txt`, `baseline*rsc`\n: List of the auxiliary files related to the interferogram processing for each subswaths (iw1, iw2, iw3). In particular busts selection and perpendicular baseline information.\n", "roles": [ "metadata" ] }, "orb_types.txt": { "href": "https://formater.osug.fr/permanent-products-repository/public/1939da31-5ef6-4d24-8517-ae728cf64604/iw2_iw3/orb_types.txt", "type": "text/plain", "title": "orb_types.txt", "roles": [ "metadata" ] }, "plot_interferograms.png": { "href": "https://formater.osug.fr/permanent-products-repository/public/1939da31-5ef6-4d24-8517-ae728cf64604/iw2_iw3/plot_interferograms.png", "type": "image/png", "title": "plot_interferograms.png", "roles": [ "graphic" ] }, "plot_time_lat_iw2.png": { "href": "https://formater.osug.fr/permanent-products-repository/public/1939da31-5ef6-4d24-8517-ae728cf64604/iw2_iw3/plot_time_lat_iw2.png", "type": "image/png", "title": "plot_time_lat_iw2.png", "roles": [ "graphic" ] }, "documentation": { "href": "https://formater.pages.in2p3.fr/flatsim/product.html", "type": "text/html", "title": "Product description (general for NSBAS, including GDM-SAR-In and FLATSIM)", "description": "Documentation page describing the product names and acronyms, information about the generation of the products, and metadata definitions.", "roles": [ "metadata" ] }, "download_tool": { "href": "https://isdeform.opgc.fr/download/GDMSARIn/8a8de3f9-2da7-4715-abbc-ef8d13a84c57", "type": "text/html", "title": "Download tool", "roles": [ "metadata" ] } } }