Table 1 Data contents and sources.
From: Impacts of planting structure adjustment on water saving in the Shiyang River Basin of Arid Region
Data types | Data contents | Data sources | Data usage | |
|---|---|---|---|---|
Meteorology data | Wuwei, Minqin, Yongchang, and Wushaoling stations data | Daily maximum temperature, Daily minimum temperature, Daily average relative humidity, Daily average wind speed, and sunshine hours from 1980 to 2017 | China Meteorological Data Network (http://data.cma.cn) | Used for the calculation of crop water requirements (ET0) |
0.5° × 0.5° grid data in Gulang County and Wushaoling station | Daily maximum temperature, Daily minimum temperature, and Daily average temperature from 1980 to 2017 | |||
Main crops data (wheat, corn, tubers, oil-bearing crops, vegetables, fruits, and cotton) | Areas and yields of Gulang County and Minqin County from 1980 to 2008 | Compilation of Statistics on National Economy and Social Development | Used for the calculation of virtual water content and the PSA-based water-saving evaluation | |
Areas and yields in Yongchang County from 1980 to 1995 | ||||
Areas and yields in Liangzhou District from 1980 to 2008 | Wuwei Statistical Yearbook | |||
Areas and yields in Yongchang County from 1996 to 2008 | Yongchang Statistical Yearbook | |||
Areas and yields in Yongchang County, Liangzhou District, Gulang County, and Minqin County from 2009 to 2017 | Statistics Bureau of Gansu Province | |||
Others data in Yongchang County, Liangzhou District, Gulang County, and Minqin County | Minimum demands of main crops | Balanced diet pagoda of Chinese Dietary Guidelines (2016) | Used for the calculation of the agricultural net economic benefits | |
Crop unit price Population data | Gansu Development Yearbook (2017) | |||