H. Abdo, Hussein Almohamad, Ahmed Abdullah Al Dughairi, M. Al-Mutiry
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引用次数: 0
摘要
土壤侵蚀是威胁叙利亚西部沿海地区环境可持续性的最突出的地貌灾害之一。叙利亚目前的战争条件导致缺乏与评估土壤侵蚀有关的实地数据和测量。绘制潜在土壤侵蚀的空间分布图是主要在河流集水区实施土壤保护程序的基本步骤。本文旨在利用修正后的通用土壤流失方程(RUSLE)和遥感(RS)数据,在地理信息系统(GIS)环境中对整个Al-Qshish河流域的土壤侵蚀严重程度进行综合评估。从数量上看,研究流域的年土壤侵蚀率为81.1 t ha−1年−1,空间平均值为55.2 t ha−一年−1。从空间上看,土壤侵蚀风险图分为五个易感区:极低(41%)、低(40.5%)、中等(8.9%)、高(5.4%)和极高(4.2%)。目前的研究对研究流域内的土壤流失率和易受侵蚀区域的分类进行了可靠的评估。这些产出可以用来制定措施,在当前战争条件下维护土壤侵蚀敏感性高和非常高的地区。
Quantifying the water soil erosion rate using RUSLE, GIS, and RS approach for Al-Qshish River Basin, Lattakia, Syria
Soil erosion is one of the most prominent geomorphological hazards threatening environmental sustainability in the coastal region of western Syria. The current war conditions in Syria has led to a lack of field data and measurements related to assessing soil erosion. Mapping the spatial distribution of potential soil erosion is a basic step in implementing soil preservation procedures mainly in the river catchments. The present paper aims to conduct a comprehensive assessment of soil erosion severity using revised universal soil loss equation (RUSLE) and remote sensing (RS) data in geographic information system (GIS) environment across the whole Al-Qshish river basin. Quantitatively, the annual rate of soil erosion in the study basin was 81.1 t ha−1 year−1 with a spatial average reaching 55.2 t ha−1 year−1. Spatially, the soil erosion risk map was produced with classification into five susceptible-zones: very low (41 %), low (40.5%), moderate (8.9%), high (5.4%) and very high (4.2%). The current study presented a reliable assessment of soil loss rates and classification of erosion-susceptible areas within the study basin. These outputs can be relied upon to create measures for maintaining areas with high and very high soil erosion susceptibility under the current war conditions.
期刊介绍:
The Geofizika journal succeeds the Papers series (Radovi), which has been published since 1923 at the Geophysical Institute in Zagreb (current the Department of Geophysics, Faculty of Science, University of Zagreb).
Geofizika publishes contributions dealing with physics of the atmosphere, the sea and the Earth''s interior.