| Technology Application |
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RS and GIS Derived Spatio-temporal Evolution of Water Landscape in Coastal Areas: a Case Study of Shanghai Section on the Northern Bank of Hangzhou Bay |
| FENG Yong-jiu， HAN Zhen |
| （College of Marine Sciences， Shanghai Ocean University， Shanghai 201306， China） |
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Abstract On the basis of the techniques of remote sensing and geographical information system (GIS)，it is possible to extract water information from the remotely sensed images for mapping and pattern study by using the method of spectrum relations. In this paper, water information was derived from the remote sensing images of Shanghai section obtained on the northern bank of Hangzhou Bay in 1992，2001 and 2008, respectively. The landscape information including a number of patches，areas，densities，shape indices and fractals were calculated for further analysis. The results show that the landscape pattern of water was changed remarkably with the reduction of total area and patches as well as the complication of the water shape from 1992 to 2008.
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| Keywords
Data fusion
Data fusion based on spectral fidelity
Low spatial resolution image
High spatial resolution image
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Issue Date: 22 March 2011
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2011,
Vol. 23
