Table 4 Sources and details of factor data.
From: GPP estimation based on CatBoost and analysis of change driving factors in Shanxi Province, China
Variables | Unit | Source | |
---|---|---|---|
Elevation | m | ||
Slope | \(^{\circ }\) | Geospatial data cloud (http://www.gscloud.cn/sources/) | |
Mean annual precipitation | mm | ||
Nature | Mean annual temperature | \(^{\circ }\)C | National Earth System Science Data Center, National Science & Technology Infrastructure of China (http://www.geodata.cn) |
Per capita GDP | Ten thousand yuan | ||
Population | Person | Resource and Environmental Science Data Center (https://www.resdc.cn/DOI/) | |
Human activity | Land use type | Categorical | NASA (http://lpdaac.usgs.gov) |