The Global Rainforest Mapping (GRFM) project was initiated in 1995 and, through a dedicated data acquisition policy by the National Space Development Agency of
In order to predict the futuristic runoff under global warming, and to approach to the effects of vegetation on the ecological environment of the inland river m
This paper discussed the spatial distribution of soil erosion in China at the end of the 20thcentury based on the second national soil erosion survey. The resul
Based on hydrometric data and extensive investigations on water-extracting projects, this paper presents a preliminary study on water discharge changes between
According to the length of city perimeter and the administration systems recorded in thehistorical literatures of the Qing Dynasty, a set of methods is develope
Runoff and its evolution, based on hydrometeorological data fromsurface measurement stations, are analyzed for the upper reaches of the Yellow River above Tangn