太湖湖滨敏感区的土地利用遥感分类研究

doi:10.11873/j.issn.1004-0323.2014.1.0114

鎽樿/Abstract

鎽樿锛�

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鍏抽敭璇�: 闈㈠悜瀵硅薄鍒嗙被, ALOS, 澶氬昂搴﹀垎鍓�, 鍐崇瓥鏍�, 鍦熷湴鍒╃敤, 婀栨花鏁忔劅鍖�

Abstract:

In recent years,water pollution has made great crisis in Taihu Lake Watershed.Land use is seemed as an important factor for the environmental changes,so the land use classification study of Taihu Lake lakeside sensitive area has great significance.According to the local circumstance of land use and the research objectives in the study area,a novel land use/land cover classification schema is established for the Wujingang River & Zhihugang River Watershed in the upstream areas of Taihu Lake Watershed,then the reliable watershed land cover/land use information can be acquired by the means of images classification based on medium\|resolution remote sensing images.In this study,ALOS multi\|spectral remote sensing images in 2010 are used for the data sources,object\|oriented image classification are performed after the multi\|resolution image segmentation,then several classification rules based on decision tree methods are built to effectively extract the land use/ land cover information such an construction lands,road and water body.The classification results show that based on such an object\|oriented image classification method has a higher accuracy,and the overall accuracy is 88%.At the same time,the classification accuracy of the main land use types such as cropland,rural residence and urban residence are also higher.This study has some practical value to the watershed land use,and it also provides a methodological reference for land use classification of the whole Taihu Lake watershed or other plain river network regions.

Key words: Object-oriented classification, ALOS, Multi-scale segmentation, Decision trees;Land use, Lakeside sensitive areas

涓浘鍒嗙被鍙�:

TP 79

鐜嬪皯浼�,寮犳檽绁�,鏉ㄦ檽鑻鳖��. 澶箹婀栨花鏁忔劅鍖虹殑鍦熷湴鍒╃敤閬ユ劅鍒嗙被鐮旂┒顎僛J]. 閬ユ劅鎶�鏈笌搴旂敤, 2014, 29(1): 114-121.

Wang Shaowei,Zhang Xiaoxiang,Yang Xiaoying顎�. Land Use Classification based on Remote Sensing Image in Taihu Lake Lakeside Sensitive Area[J]. Remote Sensing Technology and Application, 2014, 29(1): 114-121.

鍙傝�冩枃鐚�

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澶箹婀栨花鏁忔劅鍖虹殑鍦熷湴鍒╃敤閬ユ劅鍒嗙被鐮旂┒顎�

Land Use Classification based on Remote Sensing Image in Taihu Lake Lakeside Sensitive Area

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鎽樿/Abstract

寮曠敤鏈枃

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鐩稿叧鏂囩珷 15

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