{"collections":{"s2":{"id":"sentinel-2-l2a","name":"Sentinel-2 L2A","description":"10 m optical, bottom-of-atmosphere reflectance, 5-day revisit","presets":["true-color","false-color","swir","agriculture","ndvi","ndwi","ndmi","nbr","evi","savi","ndsi","scl"],"indices":["ndvi","ndwi","ndmi","nbr","evi","savi","ndsi"]},"s1":{"id":"sentinel-1-grd","name":"Sentinel-1 GRD","description":"10 m C-band radar, terrain-corrected gamma0, works through cloud, 6 to 12-day revisit","presets":["vv","vh","rgb","water"],"indices":["vv","vh","water"]}},"presets":{"true-color":{"name":"True colour","description":"B04, B03, B02 with a 2.5x stretch","collection":"sentinel-2-l2a"},"false-color":{"name":"False colour infrared","description":"B08, B04, B03. Vegetation shows red.","collection":"sentinel-2-l2a"},"swir":{"name":"Short-wave infrared","description":"B12, B8A, B04. Burn scars, moisture, urban.","collection":"sentinel-2-l2a"},"agriculture":{"name":"Agriculture","description":"B11, B08, B02. Crop vigour and field boundaries.","collection":"sentinel-2-l2a"},"ndvi":{"name":"NDVI","description":"Colour-mapped vegetation index","collection":"sentinel-2-l2a"},"ndwi":{"name":"NDWI","description":"Colour-mapped water index","collection":"sentinel-2-l2a"},"ndmi":{"name":"NDMI","description":"Colour-mapped moisture index","collection":"sentinel-2-l2a"},"nbr":{"name":"NBR","description":"Colour-mapped burn ratio","collection":"sentinel-2-l2a"},"evi":{"name":"EVI","description":"Colour-mapped enhanced vegetation index","collection":"sentinel-2-l2a"},"savi":{"name":"SAVI","description":"Colour-mapped soil-adjusted vegetation index","collection":"sentinel-2-l2a"},"ndsi":{"name":"NDSI","description":"Colour-mapped snow index","collection":"sentinel-2-l2a"},"scl":{"name":"Scene classification","description":"Sen2Cor scene classes: cloud, shadow, water, vegetation, snow","collection":"sentinel-2-l2a"},"vv":{"name":"VV backscatter","description":"Grayscale VV in dB, -25 to 0","collection":"sentinel-1-grd"},"vh":{"name":"VH backscatter","description":"Grayscale VH in dB, -30 to -5","collection":"sentinel-1-grd"},"rgb":{"name":"Radar composite","description":"R=VV, G=VH, B=VV/VH ratio","collection":"sentinel-1-grd"},"water":{"name":"Radar water mask","description":"Blue where VV < -18 dB, grayscale VV elsewhere","collection":"sentinel-1-grd"}},"indices":{"ndvi":{"name":"Normalized Difference Vegetation Index","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Vegetation vigour. Bare soil around 0.1, crops 0.3 to 0.8, dense forest above 0.7.","classes":[{"name":"water_or_shadow","min":-1,"max":0},{"name":"bare","min":0,"max":0.2},{"name":"sparse","min":0.2,"max":0.4},{"name":"moderate","min":0.4,"max":0.6},{"name":"dense","min":0.6,"max":1}]},"ndwi":{"name":"Normalized Difference Water Index (McFeeters)","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Open water. Values above 0 are usually water, above 0.3 clearly water.","classes":[{"name":"land","min":-1,"max":0},{"name":"wet_or_shallow","min":0,"max":0.3},{"name":"water","min":0.3,"max":1}]},"ndmi":{"name":"Normalized Difference Moisture Index","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Canopy water content. Negative values mean dry vegetation or bare soil.","classes":[{"name":"dry","min":-1,"max":-0.1},{"name":"moderate","min":-0.1,"max":0.2},{"name":"moist","min":0.2,"max":1}]},"nbr":{"name":"Normalized Burn Ratio","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Burn severity. Healthy vegetation is high, freshly burned areas drop below 0.1.","classes":[{"name":"burned_or_bare","min":-1,"max":0.1},{"name":"low_vegetation","min":0.1,"max":0.3},{"name":"healthy_vegetation","min":0.3,"max":1}]},"evi":{"name":"Enhanced Vegetation Index","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Like NDVI but less saturated over dense canopy and less sensitive to atmosphere.","classes":[{"name":"bare","min":-1,"max":0.2},{"name":"sparse","min":0.2,"max":0.4},{"name":"dense","min":0.4,"max":1}]},"savi":{"name":"Soil Adjusted Vegetation Index","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"NDVI corrected for soil brightness. Useful over sparse crops and arid land.","classes":[{"name":"bare","min":-1,"max":0.2},{"name":"sparse","min":0.2,"max":0.4},{"name":"dense","min":0.4,"max":1}]},"ndsi":{"name":"Normalized Difference Snow Index","collection":"sentinel-2-l2a","unit":"ratio","range":[-1,1],"description":"Snow cover. Values above 0.4 are snow or ice.","classes":[{"name":"no_snow","min":-1,"max":0.4},{"name":"snow","min":0.4,"max":1}]},"vv":{"name":"Sentinel-1 VV backscatter","collection":"sentinel-1-grd","unit":"dB","range":[-30,5],"description":"Co-polarised radar backscatter (gamma0, terrain corrected). Water is very dark, urban is bright.","classes":[{"name":"very_low_water_like","min":-30,"max":-18},{"name":"low","min":-18,"max":-12},{"name":"medium","min":-12,"max":-6},{"name":"high_urban_like","min":-6,"max":5}]},"vh":{"name":"Sentinel-1 VH backscatter","collection":"sentinel-1-grd","unit":"dB","range":[-35,0],"description":"Cross-polarised radar backscatter. Sensitive to vegetation volume and structure.","classes":[{"name":"very_low","min":-35,"max":-22},{"name":"low","min":-22,"max":-16},{"name":"medium","min":-16,"max":-10},{"name":"high","min":-10,"max":0}]},"water":{"name":"Sentinel-1 water mask","collection":"sentinel-1-grd","unit":"fraction","range":[0,1],"description":"1 where VV backscatter is below -18 dB (open water). The mean is the water fraction. Works through cloud.","classes":[{"name":"land","min":0,"max":0.5},{"name":"water","min":0.5,"max":1}]}},"limits":{"maxSidePx":2048,"defaultSidePx":512,"maxAreaKm2":10000,"maxTimeseriesDays":1098,"maxIntervals":60},"attribution":{"source":"Copernicus Sentinel data, processed by Sentinel Hub on the Copernicus Data Space Ecosystem","license":"Copernicus Sentinel data is free and open under the Copernicus data licence. Attribute: 'Contains modified Copernicus Sentinel data [year]'."}}