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    "productType": "SPATIAL_COHERENCE",
    "productId": "Coh_GDMCNRS_20171002_20171014_geo4rlks8F6E",
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    "updated": "2026-07-22T10:19:39Z",
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    "completionDate": "2017-10-14T02:53:42Z",
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      "criticalTemporalBaseline": "5",
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      "atmo": "no",
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      "doCorrDEM": "no",
      "suffCorrDEM": "_era_flatr",
      "sWWindowSizeDEM": "10",
      "threshAmpInt": "20",
      "doColin": "no",
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      "checkUnwFrac": "yes",
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      "fullRes": "no",
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      "unwrapSeedY": "3781",
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      "suffTS": "_sd",
      "doRefer": "yes",
      "refLeft": "2631",
      "refTop": "3771",
      "refWidth": "21",
      "refLength": "21"
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    "antennaSide": "RIGHT",
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    "Last_util_column": "4195",
    "First_util_line": "",
    "Last_util_line": "4227",
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    "latitudePixelSize": "0.000555556",
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    "farRangeLookAngle": "40.3924",
    "originalNumberOfLooksRange": "16",
    "originalNumberOfLooksAzimuth": "4",
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    "originalRangePixelSize": "37.272992",
    "valueUnit": [
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    "geographicCSTypeCode": "EPSG_4326",
    "license": "https://creativecommons.org/licenses/by-nc/4.0/",
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    "parallelBaseline": "11.993741928055401",
    "alongTrackBaseline": "28.07354270480834",
    "usedDigitalElevationModel": "DEM correction using NASADEM, 1arc second",
    "bandDescription": [
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      " Average amplitude"
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    "lookupTableId": "Lut_GDMCNRS_Lut_geo_7D2D",
    "mapOfLOSVectorId": "CosENU_GDMCNRS_CosENU_geo_7DBA",
    "polarisation": "V/V",
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      {
        "platform": {
          "type": "Platform",
          "platformShortName": "Sentinel-1",
          "orbitType": "LEO"
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          "title": "GDM-SAR metadata"
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    "Processing_Title": "Earthquake_Iran_2017-dec-12",
    "Processing_Short_Description": "Time-Series from 2 oct 2017 to 1st jan 2018 (11 dates) covering the 2017-dec-12 Earthquake (Mw7.4) at the boundary between Iran and Irak. Post-seimic signal is also seen in the time series. No atmospheric correction.",
    "Processing_Tags": "Earthquake, Iran, Irak, ISDeform",
    "parent_collection": "99fcc766-3043-47af-a3d9-54d63b381c5e",
    "uuid": "99fcc766-3043-47af-a3d9-54d63b381c5e",
    "description": "[Repository](../collection.json) > [Earthquake_Iran_2017-dec-12](collection.json) > [Ground geometry](geo_collection.json) > [Interferograms](geo_interferogram_collection.json) > [Interferogram from 20171225 to 20171231](geo_interferogram_20171225_20171231_collection.json) > Spatial coherence\n\n# Spatial Coherence\n\n> This product represents the **spatial coherence** of the **interferograms**.\n>\n> The geotiff file has 2 bands:\n>\n> - band 1 is the spatial coherence of the interferogram (between 0 and 1)\n> - band 2 is the average amplitudes of the two SAR images used to form the interferogram\n>\n> The png file has 1 band:\n>\n> - band 1 is the spatial coherence of the interferogram, normalized by a color palette\n\n[source](https://formater.pages.in2p3.fr/flatsim/products/Coh.html)\n",
    "providers": [
      {
        "name": "ESA",
        "description": "The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, the ESA was founded in 1975.",
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        "name": "OSUG",
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        "description": "L'Observatoire de physique du globe de Clermont-Ferrand (OPGC) est un observatoire des sciences de l'univers (OSU) dépendant du Centre national de la recherche scientifique (CNRS) et de l’université Clermont-Auvergne (UCA). Fondé en 1876 par Émile Alluard sous le nom d'Observatoire du Puy de Dôme, il s'est nommé l'Institut et observatoire de physique du globe (IOPG) de 1921 à 1985.",
        "roles": [
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      "sentinel-1b"
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    "instruments": [
      "c-sar"
    ],
    "constellation": "sentinel-1",
    "mission": null,
    "licenses": "CC-BY-NC-4.0",
    "sat:platform_international_designator": "2014-016A",
    "sat:orbit_state": "geostationary",
    "sat_ext:platform_international_designators": [
      "2014-016A",
      "2016-025A"
    ],
    "sar:frequency_band": "C",
    "sar:center_frequency": 5.405,
    "sar_ext:wavelength": 0.05546576,
    "processing:level": "L2",
    "sci:publications": [
      {
        "citation": "Doin, M.-P., Lodge, F., Guillaso, S., Jolivet, R., Lasserre, C., Ducret, G., Grandin, R., Pathier, E., Pinel, V. (2011). Presentation of the small baseline NSBAS processing chain on a case example: The Etna deformation monitoring from 2003 to 2010 using Envisat data. In Proceedings of FRINGE 2011 ESA Workshop, Frascati, Italy,19–23 September 2011, ESA Publication SP-697.",
        "doi": ""
      },
      {
        "citation": "Raphaël Grandin (Institut de Physique du Globe de Paris, France) (2015). \"Interferometric Processing of SLC Sentinel-1 TOPS Data \". In Proceedings of FRINGE’15: Advances in the Science and Applications of SAR Interferometry and Sentinel-1 InSAR Workshop, Frascati, Italy, 23-27 March 2015, Ouwehand L., Ed., ESA Publication SP-731.",
        "doi": "10.5270/Fringe2015.116"
      },
      {
        "citation": "Thollard, F., Clesse, D., Doin, M.-P., Donadieu, J., Durand, P., Grandin, R., Lasserre, C., Laurent, C., Deschamps-Ostanciaux, E, Pathier, E., Pointal, E, Proy, C., Specht, B. (2021). FLATSIM: The ForM@Ter LArge-Scale Multi-Temporal Sentinel-1 InterferoMetry Service, Remote Sens. 13 (18), 3734.",
        "doi": "10.3390/rs13183734"
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    "STAC hierarchy": {
      "0": {
        "title": "Repository",
        "href": "../collection.json"
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        "href": "geo_collection.json"
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        "title": "Interferograms",
        "href": "geo_interferogram_collection.json"
      },
      "4": {
        "title": "Interferogram from 20171225 to 20171231",
        "href": "geo_interferogram_20171225_20171231_collection.json"
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      "5": {
        "title": "Spatial coherence",
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      "InSAR",
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    "datetime": "2026-07-22T10:19:39Z"
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