{ "culture": "en-US", "name": "VMAE_20180506_1142_BTD", "guid": "", "catalogPath": "", "snippet": "VIIRS VMAE: Brightness Temperature Difference (BTD). The BTD is a proxy for SO2 absorption", "description": "Purpose/Summary:\nBrightness Temperature Difference (BTD). The BTD is a proxy for SO2 absorption. Higher concentrations of SO2 result in larger (absolute) BTD values.\n\nSuggested Usage:\nIdentifying plume locations and relative concentrations of SO2\n\nSatellite/Sensor:\nVIIRS-VMAE Channel 14 (centered at 8.6 microns)\n\nResolution:\n750m at nadir\n\nCredits/Acknowledgements:\nNASA, JPL, California Institute of Technology", "summary": "VIIRS VMAE: Brightness Temperature Difference (BTD). The BTD is a proxy for SO2 absorption", "title": "VMAE_20180506_1142_BTD", "tags": [ "Kilauea", "NASA Disasters Program" ], "type": "Image Service", "typeKeywords": [ "Data", "Service", "Image Service", "ArcGIS Server" ], "thumbnail": "thumbnail/thumbnail.png", "url": "https://maps.disasters.nasa.gov/ags03/admin/Kilauea_Volcano/VMAE_20180506_1142_BTD/ImageServer", "spatialReference": "WGS_1984_UTM_Zone_5N", "accessInformation": "NASA, JPL, California Institute of Technology", "licenseInfo": "" }