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In order to make a quantitative analysis on spatial pattern of headquarters about top 500 enterprises of Chinese service industries, the software of ArcGIS 9.2 was adopted. The results showed that the headquarters were mainly distributed in the eastern coast region of China. The value of global Moran's I was about 0.11. High value regions were all distributed in the eastern coast region of China and...
Geographers, demographers and other scholars have a sustaining interest in China's population distribution. The research is based on China's GIS data sets of population census in 1953, 1964, 1982, 1990 and 2000. The first part of this study is to analyze the population density patterns by various spatial analysis methods and explain possible influencing factors. The second part analyzes population...
China's Low Elevation Coastal Zone (LECZ) is prone to flood, where the population exposure, death risk and economic loss risk are very high. We apply an ArcGIS environment to combine the gridded data of the world population (GPW) and flood disaster risk data from Hotspots and Chinese administrative division to analyze the spatial distributions of flood occurrence frequency, death risk, economic loss...
Landsat TM images of the Pearl River Delta taken in 1988, 1998 and 2006 are used to explore the Construction land Expansion and the Influence of Site Factors. The expansion shows the characteristics of gathering on plains and along major roads and coastlines in both periods from 1988 to 1998 and from 1998 to 2006. Several site factors, including landscape types and the distance from roads, coastlines,...
The monitoring about the changes of land use and cover and NPP in mining area is one of hot spots in the field of resources and environment. Combining with ground field survey data, the remote sensing image in different periods in mining area and the geographic information technology are used to study the changes of Land Use and Cover and NPP. The results show that the degree of the change of land...
Aerosols directly impact radiance balance of the earth by scattering and absorbing solar radiation, it remain as one of the major uncertain factors in estimating radiative forcing. The spatial and temporal characteristics of aerosol optical depth (AOD) were measured by CE-318 sun-photometer. Angstrom wavelength exponent (a) and the aerosol turbidity coefficient (P) were retrievaled in Shanghai and...
Spruce (Picea asperata) is a special species of China, it is the main tree building species of high mountains in Sichuan, and plays an important role in the restoration of degraded ecosystems in sub-alpine areas in western China. In this study, impacts of different rotation lengths on carbon storage over 480 years were simulated using the ecosystem Model FORECAST for spruce, FORECAST_SPRUCE. Four...
The development of China's urbanization has significant regional differences. This paper constructs an evaluation system for China's comprehensive urbanization level in terms of three aspects: population, economy and society. Entropy method is adopted to evaluate the comprehensive urbanization level of 2,289 county unites in China and construct urbanization type regions; and the method of spatial...
This paper explores the impact of environmental regulation on total factor productivity growth, from the perspective of a spatial econometric approach. The empirical findings are: (1) TFP growth increased slightly over the years for 1992–2008 in China, depending mainly on the technical change. (2) Spatial dependence and the productivity growth effect are statistically significant and positive. (3)...
Four dates Landsat MSS, TM and ETM+ images together with historical topographic maps, land use maps were used to analyze and quantify the temporal dynamics and spatial pattern of land use/cover changes and identify the urban expansion in Xining city, northwest China. The results indicated that from 1977 to 2007, the areas of cultivated land, grassland and unused land decreased by 3.31%, 1.1% and 0...
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