Han Tianding

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
Although the theory and method of 3D GIS interactive editing is scarce and primitive, the need to develop it has become gradually urgent. Editing in 3D environment by a digital control plane, the method can deal with some geometry efficiently, such as point, line, and polygon, etc. Moreover, based on Open GL, a 3D GIS editorial system in t he form of COM(More)
This study, based on remote sensing and GIS technologies, the glacier distribution map and related parameters in 1999 are obtained with some spatial data including remote sensing images, DEM, and so on. Compared to data in 1957, in 1999, there are only 15 glaciers in this area and 4 glaciers disappeared; the glacier area is 8.5, with the total reduction of(More)
Based on the fact that the climatic change impacts on the hydrological process in the alpine region in the headwaters of Urumqi River, the analysis that the runoff change of glaciers, snow and permafrost in the headwaters make a response to the change of temperature and precipitation is significant to understand the impact of the climatic change on the(More)
  • 1