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In China, many historic and cultural blocks in ancient capitals fend for themselves.The Messy architectural forms, the fuzzy property rights make it very difficult to take comprehensive environmental management. How to deal with the relationship between history and future, human and nature, are important issues to resolve. The text takes Shichahai area in Xicheng District of Beijing as an example...
Urban heat island (UHI) refers to the phenomenon of the higher atmospheric temperature in the central urban area than the surrounding rural area, which makes the urban like a warmer island compared with the rural area. The vector data of 25 preserved zones and second ring road were overlain to the land surface temperature image. The UHI intensity in each zone and the old city is the difference between...
Land subsidence in Beijing is supposed to be caused by over-exploitation of ground water, which is leading to a rapid decline of water levels, drying out clay layers that finally result in land subsidence. The Interferometric Point Target Analysis (IPTA) is an advanced method to monitor vertical motion of the land surface over time. IPTA identifies backscattering objects, named as coherent points...
With the specific case of the birth of Tiananmen Square in Beijing during the May Fourth Movement in 1919, this paper tries to give an answer to the more general question of how a political public space is made. It argues, (1) the transformation of the spatial order of Beijing made possible the formation of new modes of collective political action in republican Beijing. (2) The different kinds of...
This paper reports the results of a research project on applying geospatial information technology to the protection of China's Grand Canal. The canal is the longest man-made waterway in the world. The earliest section of the canal can be dated back to 500 BC. The course of the canal has been changed many times during its history mainly depending on the locations of China's capitals. The current course...
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