Table 1 Data sources of remote sensing indicators and associated ecological factors.
Category | Data | Unit | Temporal resolution | Spatial resolution | Data source on GEE | Time periods (year) |
|---|---|---|---|---|---|---|
Remote sensing indicator | Normalized difference vegetation index (NDVI) | / | 16-Day | 250 m | ee.ImageCollection("MODIS/006/MOD13Q1") | 2000–2022 |
Terrain | Digital elevation model (DEM) | m | / | 92.77 m | ee.Image("MERIT/DEM/v1_0_3") | / |
Climate | Land surface temperature (LST) | °C | Day | 1000 m | ee.ImageCollection("MODIS/006/MOD11A2") | 2000–2022 |
Precipitation (PRE) | mm | Day | 0.05° | ee.ImageCollection('UCSB-CHG/CHIRPS/DAILY’) | 2000–2022 | |
Surface net solar radiation (SNSR) | J/m2 | Month | 0.1° | ee.ImageCollection('ECMWF/ERA5_LAND/MONTHLY_AGGR’) | 2000–2022 | |
Wind speed (WS) | m/s | Month | 0.1° | ee.ImageCollection("ECMWF/ERA5_LAND/MONTHLY_AGGR") | 2000–2022 | |
Soil | Soil water (SW) | kg/m3 | Month | 0.1° | ee.ImageCollection("ECMWF/ERA5_LAND/MONTHLY_AGGR") | 2000–2022 |
Social economy | Land cover types (LC) | / | Year | 1 | ee.ImageCollection('MODIS/061/MCD12Q1’) | 2001–2022 |
Water bodies (WB) | / | Year | 30 m | ee.ImageCollection('JRC/GSW1_4/YearlyHistory’) | 2000–2022 | |
Human footprint (HFP) | / | Year | 1000 m | Mu et al., 2022 | 2000–2020 |