By means of the advanced information technology and managerial method in connection with the requirements for optimization of water supply in a city,a water supply information system is designed in order to solve the water-saving problem in a city.
With geographic information system (GIS), the ecological water requirement for forests in the Jinghe watershed, western China was estimated.
Using the ArcView Geographic Information System (GIS) platform, a case study was carried out by selecting the population of Pinus massoniana from a needle-and broad-leaved mixed forest community in the Heishiding Nature Reserve, Guangdong Province.
In this study, remotely sensed data and the geographic information system were applied to analyze the changes in land cover along topographic gradients from 1978 to 2001 in Beijing, a rapidly urbanized mega city in China.
The priority analysis using the geographical information system (GIS) tool has revealed that castern provinces should be of high priority in the future reduction activities of dioxins release in China.
Spatial distribution of ecological security status assessment of West-Liaohe River based on geographic information system