Research Article
A Novel Approach for Monitoring the Ecoenvironment of Alpine Wetlands using Big Geospatial Data and Cloud Computing
Table 1
Geospatial big data collection used in this study.
| Id | Image collection | Sensor provider | Band | Code | Unit | Spatiotemporal resolution | Type | Time series |
| 1 | SPOT vegetation | VGT\PROBA | Normalized difference vegetation index | NDVI | DN | 10-daily | 1 km | Vegetation | 1998–2020 | 2 | NASA/GIMMS/3GV0 | AVHRR | Normalized difference vegetation index | NDVI | DN | 15-daily | 8 km | 1981–2015 | 3 | MODIS/006/MOD13Q1 | MODIS | Normalized difference vegetation index | NDVI | DN | 16-daily | 250 m | 2000–2020 | 4 | MODIS/006/MCD43A4 | MODIS | Normalized difference vegetation index | NDVI | DN | daily | 500 m | 2000–2020 | 5 | MODIS/006/MOD13Q1 | MODIS | Enhanced vegetation index | EVI | DN | 16-daily | 250 m | 2000–2020 | 6 | MODIS/006/MOD15A2H | MODIS | FPAR_500 m | FPAR | Percent | 8-daily | 500 m | Biomass | 2000–2020 | 7 | MODIS/006/MOD17A2H | MODIS | Gross primary productivity | GPP | gC/m2 | 8-daily | 500 m | 2000–2020 | 8 | MODIS/006/MOD17A3H | MODIS | Net primary productivity | NPP | gC/m2 | Yearly | 500 m | 2001–2020 | 9 | MODIS/MCD43A4_006_NDWI | MODIS | Normalized difference water index | NDWI | DN | 16-daily | 500 m | Hydrology | 2000–2020 | 10 | JRC/GSW1_1/Monthly history | OLI\ETM+ | Water | WAT | DN | Monthly | 30 m | 1984–2018 | 11 | NOAA/CFSV2/FOR6H | NOAA/NEC | Soil moisture | SMO | % | 6-hourly | 0.2° | 1979–2020 | 12 | ECMWF/ERA5_LAND/MONTHLY | ECMWF | Snow_cover | SCO | % | Monthly | 0.1° | 1979–2020 | 13 | ECMWF/ERA5_LAND/MONTHLY | ECMWF | Snow_depth | SDE | m | Monthly | 0.1° | 1979–2020 | 14 | ECMWF/ERA5_LAND/MONTHLY | ECMWF | Temperature_2 m | ATP | K | Monthly | 0.1° | Climate | 1979–2020 | 15 | ECMWF/ERA5_LAND/MONTHLY | ECMWF | Total precipitation | PRE | m | Monthly | 0.1° | 1979–2020 | 16 | MODIS/006/MOD16A2 | MODIS | Evapotranspiration | ET | kg/m2 | 8-daily | 500 m | 2001–2020 | 17 | MODIS/006/MOD11A2 | MODIS | Land surface temperature | LST | K | 8-daily | 1 km | 2000–2020 | 18 | IDAHO_EPSCOR/TERRACLIMATE | Word Clim\JRA55 | Palmer drought severity index | PDSI | DN | Monthly | 2.5° | 1958–2019 | 19 | DMSP-OLS/NIGHTTIME_LIGHTS | DMSP-OLS | Nightlight | NLI | DN | Yearly | 30″ | Human activity | 1992–2020 | 20 | WorldPop/GP/100 m/pop | World pop project | Population | POP | Person | Yearly | 3° | 2000–2018 |
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