Study on the Wetland Change in Northeast China Based on RS and GIS Technology

Abstract:

Based on the RS and GIS technology, the remote sensing imageries MSS in 1975, ETM in 2000 and CBERS-2 in 2007 have been used as main data source in this paper. Wetland current distribution, spatiotemporal change principle and transition matrix have been analyzed in order to realize the wetland change situation in Northeast China during the 30 years. The results show that the wetland area in Northeast China, on the whole, is decreased first and then increased. The dramatic change happened in mire and constructed wetland. Mire is decreased first and then increased, but the whole is still decreased. While, constructed wetland is increased continuously. Constructed wetland increased owing to the transition from mire and non-wetland. The level of the transition from mire to constructed wetland is lower. In Northeast China, human activities have a great impact on wetland change than nature factors.

• Periodical: Advanced Materials Research (Volumes 356-360)
• Pages: 2886-2891
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.356-360.2886
• Online since: October 2011
• Authors: Han Wen Cui, Qi Gang Jiang
• Keywords: Gas Insulation Switchgear (GIS), Remote Sensing, Variety, Wetland

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