... of this region is very critical and essential. The Haihe River basin includes water systems of the Haihe River, Luanhe River, and Tuhaimajia River. The indices of reliability, resiliency, and vulnerability are as follows in Table I (Xiang et al., 2005b). Cybernetics Water supply Risk...

... where, J(k) is the aggregate of water consumers which have contribution to GDP in sub‐district k; φ_j is the water supply proportion coefficient of water consumer j; ω_k is the weighted coefficient of sub‐district...