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)

  1. Significant values are in italics.