矿区排土场边坡植被恢复中的节水灌溉技术研究

Yanping Liu, Jingli He, Zhanqi Liang
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引用次数: 0

摘要

随着煤炭资源的开发利用,地表植被遭到破坏,土壤侵蚀日益严重。露天煤矿在典型草原上造成了非常强烈的人工侵蚀地貌重塑,尤其是矿山排土场边坡,需要采取合理的植被恢复措施。灌溉是保证人为地貌植被生长的主要手段之一,可以弥补大气降水不足和水空间协调分布不均的问题,增强其竞争力。针对煤矿排土场边坡植被恢复中不同的灌溉方式,即微喷、滴灌和微灌,研究了排土场边坡在水资源短缺、动力不足和边坡地形等方面的特点。通过对三种灌溉方式、土壤含水量、植被覆盖度和地面生物量特征的研究,确定更适合植被恢复重建的灌溉方式。适当的灌溉方式不仅能使有限的水资源得到更合理的利用,而且还能促进植物生长,保护煤矿边坡,有效减少水土流失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on the Water-Saving Irrigation Technology in the Slope Vegetation Restoration of the Mining Area Dump
With the development and utilization of coal resources, the surface vegetation is destroyed and soil erosion is more and more serious. Open-pit coal mine on typical steppe causes very strong artificial erosion landform remodeling, especially mining dump slope, needing to take reasonable measures for its vegetation restoration. Irrigation is one of main means to ensure the vegetation growth on anthropogenic landforms, which can make up for a lack of atmospheric precipitation and coordinated uneven distribution of water space and enhance its competitiveness. The research focuses on different irrigation methods in the vegetation restoration of coal mine dump slope, which is slight spraying, drip irrigation and micro irrigation, where water shortages, lack of regular power and slope topography. Suitable irrigation methods are determined better to vegetation restoration and reconstruction through studying the characteristics of three irrigation methods, soil moisture content, vegetation coverage and biomass on the ground. Appropriate way of irrigation not only make more rational use of limited water resources, but also promote plant growth and protect coal mine slope, effectively reduce soil erosion.
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