[Objective] The aim was to picture choroplethic map through VB and Surfer techniques. [Method] Taking the way to depict many kinds of choroplethic map through V
[Objective]The research aimed to investigate harm of the atmospheric pollution to vegetation in Kaili.[Method] Injured vegetation was classified into 5 categori
[Objective] The aim was to study the concentration characteristics and sources of chemical elements in atmospheric fine particles (PM2.5) in autumn in Xi'an
[Objective]The aim was to discuss the heavy rainfall formation mechanism and to reveal the causes of rainstorm. [Method] Based on the conventional observational
[Objective]The study aimed to analyze water quality of origin flows of Hotan River using Nemorow pollution index method.[Method]Based on data monitored at four
[Objective] The study aimed to assess the pollution of water and sediment in Wuliangsuhai Lake based on multilevel fuzzy theory. [Method]On the basis of measure