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By the Excel, using the date of runoff in the year 2005 and 2006, the annual hydrological changes was analyzed in the Emuer River basin. The result showed that the maximum flow appeared rather at the beginning of the June than at the time when the maximum rainfall or the snow melting happened. The runoff was retardance when the snow began to melt. During the maximum rainfall periods, the maximum runoff...
We used the LANDIS model to evaluate the effects of fire and Larch caterpillar disturbance on species abundance, age structure, spatial pattern, and age structure of two main species(LAGM(Larix gmlinii) and BEPL(Betula platyphylla)) in Huzhong forest bereau on the north slops of Great Xing'an Mountains, Northeastern China. We compared the change of forest in ND(no disturbance) and BF(budworm and fire)...
Shenyang and Fushun are two most nearest mega cities in China. Integration of the two cities as one sub-administrative economic region is a state and province policy to promote economy development of Liaoning province. How the urban patterns of the mega cities will grow is interested to city planners, decision-makers, land managers, ecologists, geographers, and resource managers because it's special...
How to predict ecological footprint is the problem need to be resolved. The methods for predicting ecological footprint based on ARMA model and support vector machine model were proposed after thoroughly studying the ecological footprint theory. Ecological footprint during planning period (2007 -2020 years) in Liaoning coastal economic zone was dynamically analyzed with the proposed methods. The results...
Based on the data that obtained from Liaoning Province environmental quality statistics and LANDSAT 5 satellite image resolution data, eco-environmental quality of Liaoning coastal highway area was respectively assessed with expert assessment method and support vector machine model. Firstly, five assessment indexes of eco-environmental quality were defined which are organism abundance index,vegetation...
A back propagation artificial neural network was used to extract permafrost information in Huzhong National Nature Reserve, China. 400 field sites of permafrost information were investigated as training sites for the network and accuracy test for the classification results. Different combinations of input sources were used as training layers for the network, which included land cover, equivalent latitude,...
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