Evaluation of cultivated land suitability for Binhai New Area of Tianjin based on GIS

doi:10.6046/gtzyyg.2016.03.25

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Abstract

Cultivated land is an essential resource and condition for the survival of human beings. Evaluation of cultivated land suitability is the basis of the land reasonable utilization and can provide the scientific basis for utilization and management of cultivated land. Taking Tianjin Binhai New Area as the study object and based on the theory of cultivated land suitability, the authors confirmed the evaluation unit with combinations of GIS and RS. 5 evaluation factors were selected including soil geology and irrigation to build up the evaluation system with combinations of specific situations of Binhai Xin Area and the availability of data. Then the results of cultivated land suitability were divided into four levels based on GIS and weighted index summation model. The result showed that each level accounted for 5.65%, 27.25%, 44.42%, 22.68% of the total evaluation unit area respectively from level Ⅰ to level Ⅳ. The whole quality of cultivated land is not very good. The highly suitable regions are mainly distributed in Taiping Town, Xiaowangzhuang Town, Zhongtang Town, north of Airport Economic Zone, Hujiayuan Street, Xincheng Town, Chadian Town, Datian Town, Hexin Street and Yangjiabo Town. The authors put forward some advices for each level land of evaluation result based on the results of each index evaluation, which are very important for improving cultivated land quality of the whole Binhai New Area and using land reasonably and availably.

Keywords object tracking texture feature center symmetric-local similarity number(CS-LSN) mean shift (MS)

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Issue Date: 01 July 2016

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	LIU Wei
	ZHAO Wenjie
	LI Cheng
	LI Ting
	TAN Haifeng
	MA Yangming

Cite this article:

LIU Wei,ZHAO Wenjie,LI Cheng, et al. Evaluation of cultivated land suitability for Binhai New Area of Tianjin based on GIS[J]. REMOTE SENSING FOR LAND & RESOURCES, 2016, 28(3): 160-165.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2016.03.25 OR https://www.gtzyyg.com/EN/Y2016/V28/I3/160

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