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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | ShengTian Yang Lei Tian Bing Wang |
| Copyright Year | 2004 |
| Description | Author affiliation: Sch. of Environ., Beijing Normal Univ. (ShengTian Yang; Lei Tian; Bing Wang) |
| Abstract | The ecological quality of urban is a key standard to evaluate a modern urban. So far many methods have been used to understand environment quality of urban. Some ground information can be obtained directly with the help of the remote sensing (RS). The ground thermal radiant is the immediate embodiment of the energy transition of the urban system then the ground situation could be seen clearly with RS inspecting the ground thermal radiant. Employing Remote Sensing data ETM $^{+}$ of Guiyang in China on Nov 1st 2000, we set up the index of thermal radiant to study the thermal condition and used interpreting method to obtain the information of land cover such as the vegetation status, the urban construction volume ratio and water percentage. After analyzing these data, the following results can be acquired:Firstly, ground thermal radiant reflects the character of the urban ground cover. In the urban ecological environment, ground thermal radiant mainly reflects the density of the building, the percentage of greenland and water in urban, which indicate the urban ecological environment. The thermal radiant indexes of water, Greenland, road and building are 1.19; 1.20,1-24 and 1.27. So the 1.24 is reasonably regarded as a critical point of the thermal radiant change and can be used as a standard to distinguish the grade of ecological quality in Guiyang. Secondly, according to the analysis of the ground thermal radiant and urban greenland spatial distribution, there are two urban green kind ecological corridor discovered in Guiyang Urban. Besides, in order to improve the urban ecological environment and reduce the ground thermal radiant, the Greenland in eight regions in GuiYang should be advised to be built up |
| Starting Page | 3161 |
| Ending Page | 3164 |
| File Size | 330095 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780387422 |
| DOI | 10.1109/IGARSS.2004.1370371 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-09-20 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Remote sensing Vegetation Data analysis Satellites Reservoirs Information analysis Buildings Roads Rhythm |
| Content Type | Text |
| Resource Type | Article |
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