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MONITORING SURFACE ALTERATIONS IN THE YAMIN PLATEAU BY SPACEBORNE IMAGING AND AERIAL PHOTOGRAPHY DURING 1945 TO 2009
Hetz, Guy1; Blumberg, Dan G.1; Avraham, Dodik2; Cohen, Hai1
通讯作者Hetz, Guy
会议名称Conference on Core Spatial Databases - Updating, Maintenance and Services - from Theory to Practice
会议日期MAR 15-17, 2010
会议地点Haifa, ISRAEL
英文摘要

This research studies the Yamin Plateau which is 100 km(2) and is a part of the Yamin-Rotem Syncline. The research objective was to document and characterize landform changes in the Yamin Plateau from 1945 when the area was closed (trampling and grazing were limited), until 2009. The study used space and air-borne images, corroborated by field measures that lead us to the following conclusions: 1. Soil stabilization processes took place earlier than the area closure. Despite decreasing precipitation measured during the past 50 years in Yamin Plateau, the vegetation cover nowadays constitutes 67% compared to 55% in 1945. This is caused by the area closure and the subsequent formation of biological soil crusts. 2. In the past there were active Zibar morphologies in the region. The most frequent grain-size is 0.35 mm which supports this. 3. Although the current geologic map of the Yamin Plateau is characterized by a sandy soil texture, nowadays the study area surface contains more than 40% of clay minerals, which were probably trapped by soil crusts during dust storms.


英文关键词Yamin Plateau Landform changes Zibar Clay minerals
来源出版物CORE SPATIAL DATABASES - UPDATING, MAINTENANCE AND SERVICES - FROM THEORY TO PRACTICE
ISSN2194-9034
出版年2010
卷号38-4-8
期号2W
页码161-164
EISBN*****************
出版者COPERNICUS GESELLSCHAFT MBH
类型Proceedings Paper
语种英语
国家Israel
收录类别CPCI-S
WOS记录号WOS:000341929500029
WOS关键词NEGEV DESERT ; WESTERN NEGEV ; ISRAEL ; REGIME ; YIELD ; CRUST
WOS类目Computer Science, Interdisciplinary Applications ; Geography, Physical ; Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向Computer Science ; Physical Geography ; Remote Sensing ; Imaging Science & Photographic Technology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/298957
作者单位1.Ben Gurion Univ Negev, Dept Geog & Environm Dev, IL-84105 Beer Sheva, Israel;
2.NRCN, Environm Res Unit Head, Negev, Israel
推荐引用方式
GB/T 7714
Hetz, Guy,Blumberg, Dan G.,Avraham, Dodik,et al. MONITORING SURFACE ALTERATIONS IN THE YAMIN PLATEAU BY SPACEBORNE IMAGING AND AERIAL PHOTOGRAPHY DURING 1945 TO 2009[C]:COPERNICUS GESELLSCHAFT MBH,2010:161-164.
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