Concentrations of heavy metals (Cu, Pb, Zn, Cr and Cd), and phosphorous (P) weredetermined in surface tidal flat sediments of the Yangtze estuary and Shanghai c
In order to realize sustainable development of the arid area of Northwest China, rational water resources exploitation and optimization are primary prerequisite
Based on energy balance equation and mass transfer equation, a general model to estimateactual evaporation from non-saturated surfaces was derived. Making use o