The evaluation of coupling degree between water resources and social-economic development in typical karst city: A case study in Guiyang

In light of sustainable development and the systematic science theory, the evaluation index system and water resources and social-economic development coupling model is constructed, and the comprehensive indexes of water resources system and social economic system is calculated by means of fuzzy set pair analysis on the basis of regional characteristics in the research area where karst develops typically. The result shows that water resources and social-economic development in Guiyang develops different and is still at the stage of antagonism, and that the coupling degree between them is 0.5, 0.49, 0.42, 0.46, 0.42, 0.34, 0.41 and 0.48 respectively from 2002 to 2010.Itis urgent to do the following items of works: transfer high pollution industries that along the city river or in the industrial developed regions; reduce the proportion of high water consumption and high pollution emissions enterprises; enhance using efficiency of water resources; improve citizen water saving consciousness and extend water saving districts construction; increase the intensity of karst rocky desertification control; improve vegetation cover and raise ecology water storage capacity; strengthen the construction of hydraulic engineering and rain collection; adjust national economic layout, making it match the space-time distribution of water resources; improve the coordination ability of water resources and social economy; and promote the sustainable development of Guiyang.