[Objective] The aim was to study the Markov chain prediction method of first heavy rain in spring in Xi'an City.[Method] According to the dependent random v
[Objective] The aim was to analyze one cold wave weather process in Chengdu in March in 2010.[Method] Based on the NCEP 1°×1° 6 h interval reanal
According to environmental data,Ecopath with Ecosim (EWE) model can quantitatively describe the energy flow in the production and consumption of function compon