黑龙江克拜黑土区50多年来侵蚀沟时空变化

doi:10.11821/xb200506015

地理学报 ›› 2005, Vol. 60 ›› Issue (6): 1015-1020.doi: 10.11821/xb200506015

黑龙江克拜黑土区50多年来侵蚀沟时空变化

闫业超^1,2, 张树文¹, 李晓燕^1,2, 岳书平^1,2

1. 中国科学院东北地理与农业生态研究所,长春 130012;
2. 中国科学院研究生院,北京 100039

收稿日期:2005-06-06 修回日期:2005-08-09 出版日期:2005-11-25 发布日期:2005-11-25
作者简介:闫业超 (1979-), 男, 山东枣庄人, 博士研究生, 主要从事遥感与GIS在土壤侵蚀中的应用研究。E-mail: yechaosd@yahoo.com.cn
基金资助:
中国科学院知识创新工程重要方向项目 (KZCX2-SW-320-1)

Temporal and Spatial Variation of Erosion Gullies in Kebai Black Soil Region of Heilongjiang during the Past 50 Years

YAN Yechao^1,2, ZHANG Shuwen¹, LI Xiaoyan^1,2, YUE Shuping^1,2

1. Northeast Institute of Geography and Agricultural Ecology, CAS, Changchun 130012, China;
2. Graduate School of Chinese Acedemy of Sciences, Beijing 100039, China

Received:2005-06-06 Revised:2005-08-09 Online:2005-11-25 Published:2005-11-25
Supported by:
The key item of Knowledge Innovation Project of CAS, No.KZCX2-SW-320-1

摘要/Abstract

摘要：

中国东北黑土资源以土壤肥沃、有机质含量高、土质疏松、最适宜耕作而闻名于世。长期以来,由于人类的过度垦殖和不合理耕作, 造成大规模的水土流失,侵蚀沟不断切割地表,蚕食耕地,冲走沃土,降低了大型机械的耕作效率。侵蚀沟研究是土壤侵蚀研究的重要组成部分,在遥感和GIS 技术支持下,选取黑龙江克拜地区作为典型研究案例,以侵蚀沟密度为主要指标,分析了研究区侵蚀沟密度的动态变化、侵蚀沟变化的高程分异特征、坡度分异特征、坡向分异特征以及侵蚀沟变化与地貌类型的关系,揭示了典型黑土区50多年来侵蚀沟的动态变化特点和空间分异规律。

关键词: 侵蚀沟, GIS, 遥感, 黑土, 黑龙江

Abstract:

The black soil resource of China is famous for its fertility, high organic content, and the best applicability for cultivation. The long-term human activities of over-reclamation and irrational cultivation resulted in water and soil loss on a large scale. Especially the erosion gullies incise the land surface, nibble the field, wash out the fertile soil and degrade the efficiency of the large cultivator. Erosion gully research is one of the important parts of soil erosion subject. In this paper, based on the Remote Sensing and Geographical Information System, taking Kebai area as a case study, using density of erosion gully as the main indicator, the authors analyzed the dynamic change of the erosion gully density, the variation of the erosion gully on different altitudes, slopes and aspects, as well as the variation in different morphogenetic regions, and finally revealed the rule of temporal and spatial variations of erosion gullies in recent 50 years in typical black soil area of Northeast China.

Key words: erosion gully, GIS, RS, black soil, Heilongjiang Province

闫业超, 张树文, 李晓燕, 岳书平. 黑龙江克拜黑土区50多年来侵蚀沟时空变化[J]. 地理学报, 2005, 60(6): 1015-1020.

YAN Yechao, ZHANG Shuwen, LI Xiaoyan, YUE Shuping. Temporal and Spatial Variation of Erosion Gullies in Kebai Black Soil Region of Heilongjiang during the Past 50 Years[J]. Acta Geographica Sinica, 2005, 60(6): 1015-1020.

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黑龙江克拜黑土区50多年来侵蚀沟时空变化

Temporal and Spatial Variation of Erosion Gullies in Kebai Black Soil Region of Heilongjiang during the Past 50 Years

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