supported by the National Natural Science Foundation of China(Grant Nos.51209032,51379027,51109025);Specialized Research Fund for the Doctoral Program of Higher Education(Grant No.20100041120004);the Fundamental Research Funds for the Central Universities(Grnat No.DUT13JS06)
On the basis of dialectics basic laws and mathematical theorems of variable sets,this paper proposes a variable sets method for urban flood vulnerability assessment.In this method,the comprehensive relative membership...