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)