Table 4 Index weight calculation results.

From: The study on spatial distribution of water ecological environment carrying capacity during extreme drought conditions

Index meaning

Weight

Index weight

GDP per capita

\({\omega }_{1}\)

0.043

Per capita net income of rural residents

\({\omega }_{2}\)

0.097

Water efficiency

\({\omega }_{3}\)

0.077

Water resources per capita

\({\omega }_{4}\)

0.043

Dilution-ratio

\({\omega }_{5}\)

0.118

Industrial wastewater treatment rate

\({\omega }_{6}\)

0.047

Industrial water reuse rate

\({\omega }_{7}\)

0.052

Cultivated land irrigation rate

\({\omega }_{8}\)

0.037

COD environmental capacity loading rate

\({\omega }_{9}\)

0.105

Ecological base flow

\({\omega }_{10}\)

0.201

Vegetation coverage (%)

\({\omega }_{11}\)

0.044

Lose rate of water and soil

\({\omega }_{11}\)

0.136