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标题

水体对土地利用影响分析 ——以黑河流域为例

作者

李亚惠 谢东辉 王祎婷 滕智超

机构

北京师范大学遥感科学国家重点实验室,北京师范大学地理学与遥感科学学院;国家海洋信息中心;北京师范大学水科学研究院

摘要

以黑河流域为例,进行水体对土地利用影响的定量分析.利用2000和2010年两期30m 分类数据,对黑河流 域的土地覆盖变化及原因进行了分析,然后结合DEM 数据,以流域内水体为中心,建立一系列距离不同的双侧对称缓 冲区,结合统计分析原理,从整个流域尺度上定量分析不同土地覆盖类型面积与水体缓冲距离的变化特征,发现冰雪的 分布面积与水体缓冲距离呈二次方关系,而其他土地覆盖类型均为倒数关系.考虑到黑河主要耗水量集中在中游的实际 情况,进而从上中下游尺度对土地分布进行统计分析.

关键词

高黑河;流域;土地利用/覆盖变化;水体影响

引用

李亚惠, 谢东辉, 王祎婷, 滕智超.水体对土地利用影响分析 ———以黑河流域为例[J]. 北京师范大学学报(自然科学版), 2015,51(Sup.1):133-139.

基金

测绘地理信息公益性行业科研专项基金资助项目(201512028)

分类号

K921

DOI

10.16360/j.cnki.jbnuns.2015.s1.021

Title

Impact of water on Land Use and Land Cover - a Case Study in Heihe River Basin

Author

LI Yahui, XIE Donghui, WANG Yiting, TENG Zhichao

Affiliations

State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University;National Marine Data & Information Service; College of Water Sciences, Beijing Normal University

Abstract

Water is irreplaceable for regional survival and development, and water has a major impact on regional land use. Heihe River Basin is the second largest inland river basin in China, and one of the most arid regions. Heihe therefore plays a vital role in economic development and ecological environment of the basin. The impact of water on land use in the Heihe River Basin was quantitatively analyzed in the present work. Classified data (spatial resolution: 30 m) in 2000 and 2010 and DEM data were used to analyze changes in land use and the reasons for such changes. Water body within the basin was taken as center, and a series of bilateral symmetry buffers at different distances was established, then the relationship between land cover change area of different types and the buffer distance of water from the basin scale was quantitatively analyzed using statistical analysis theory. It was found that distribution area of permanent snow and ice is correlated with the square of the water buffering distance, while distribution area of other land cover types were the reciprocal of the buffering distance. Because main consumption of Heihe water concentrated in the midstream, land distribution area at stream scale was counted and analyzed. It was found that the water affected zone focused on the first 15 km in upstream and midstream regions, midstream water was found to have greater impact on artificially-covered land and cropland than upstream water. Water affected zone in downstream region could be expanded to 35 to 40 km, but impact area of artificially-covered land and cropland was much smaller than that in upstream and midstream regions.

Key words

Heihe; river basin; land use / cover change; impact of water

cite

XULI Yahui, XIE Donghui, WANG Yiting, TENG Zhichao. Impact of water on Land Use and Land Cover - a Case Study in Heihe River Basin[J]. Journal of Beijing Normal University(Natural Science),2015,51(Sup.1):133-139.

DOI

10.16360/j.cnki.jbnuns.2015.s1.021

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn