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Assessing the potential of soil erosion in Kyrgyzstan based on RUSLE, integrated with remote sensing

机译：基于风格的吉尔吉斯斯坦对土壤侵蚀的潜力，与遥感集成

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摘要

Soil erosion is a serious ecological and economic issue occurring in all regions across the biosphere. Soil erosion contributes to land degradation, endangering both the pastoral and natural environments in Kyrgyzstan. This study objective is to identify the potential of soil erosion in Kyrgyzstan and estimate the total soil loss rate. The revised universal soil loss equation (RUSLE) model with remote sensing (RS) was used to show the distribution of risk zones of soil erosion and soil loss. Variables were obtained from Kyrgyz Hydro-Meteorological agency, Harmonized World Soil Data (HWSD), Moderate Resolution Imaging Spectroradiometer-Normalized Difference Vegetation Index (MOD13Q1-MODIS/Terra), Shuttle Radar Topography Mission (SRTM), and Global Land Cover Map (GlobeLand30). The study results display that the average annual soil erosion amount in Kyrgyzstan was 5.95 t ha(-1) year(-1), with an annual soil loss of 113.7 x 10(6) t year(-1). The entire area was separated into seven erosion risk classes. More than 28% of the territory of Kyrgyzstan is affected by limited soil erosion; the average volume of potential erosion is around 1.0 t ha(-1) year(-1). The northeastern and central parts of the country mainly experienced low soil erosion, whereas the west and southwestern parts were subject to high-to-extremely high soil erosion rates. This is the first time this method has been used to estimate the potential of soil loss throughout the country; it provides suitable tools for identifying priority areas for considering measures to decrease soil erosion risk. Our findings give valuable implementations for assessing soil loss and protecting the environment.
机译：土壤侵蚀是整个生物圈的所有地区发生的严重生态和经济问题。土壤侵蚀有助于降低土地退化，危及吉尔吉斯斯坦的田园和自然环境。本研究目的是识别吉尔吉斯斯坦土壤侵蚀的潜力，并估计总土壤损失率。利用遥感（RS）的修订后的通用土壤损失方程（限制）模型显示土壤侵蚀和土壤损失风险区的分布。变量是从吉尔吉斯水流 - 气象学机构获得的，统一的世界土壤数据（HWSD），适度分辨率成像光谱辐射计标准化差异植被指数（MOD13Q1-MODIS / TERTA），梭雷达形貌任务（SRTM）和全球陆地覆盖地图（GLOBALDAND30 ）。该研究结果显示吉尔吉斯斯坦的年平均土壤腐蚀量为5.95吨（-1）年（-1），年土壤损失为113.7 x 10（6）吨（-1）。整个区域分为七个侵蚀风险课程。超过28％的吉尔吉斯斯坦境内受到土壤侵蚀有限的影响;潜在侵蚀的平均体积约为1.0 t ha（-1）年（-1）。该国东北部和中部地区主要经历了较低的土壤侵蚀，而西南部零件受到高于极高的土壤侵蚀率。这是该方法首次用于估算全国土壤损失的潜力;它提供适当的工具，用于识别优先领域，以考虑降低土壤侵蚀风险的措施。我们的调查结果为评估土壤损失和保护环境提供了有价值的实施。

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  • 来源
    《Environmental earth sciences》 |2021年第18期|658.1-658.13|共13页
  • 作者

    Duulatov Eldiiar; Pham Quoc Bao; Alamanov Salamat; Orozbaev Rustam; Issanova Gulnura; Asankulov Talant;

  • 作者单位

    Natl Acad Sci Kyrgyz Republ Inst Geol Geog Dept Bishkek 720040 Kyrgyzstan|Jusup Balasagyn Kyrgyz Natl Univ Fac Geog Ecol & Tourism Bishkek 720033 Kyrgyzstan|Res Ctr Ecol & Environm Cent Asia Bishkek Bishkek 720040 Kyrgyzstan;

    Inst Appl Technol Thu Dau Mot City Binh Duong Prov Vietnam;

    Natl Acad Sci Kyrgyz Republ Inst Geol Geog Dept Bishkek 720040 Kyrgyzstan|Jusup Balasagyn Kyrgyz Natl Univ Fac Geog Ecol & Tourism Bishkek 720033 Kyrgyzstan|Res Ctr Ecol & Environm Cent Asia Bishkek Bishkek 720040 Kyrgyzstan;

    Natl Acad Sci Kyrgyz Republ Inst Geol Geog Dept Bishkek 720040 Kyrgyzstan|Res Ctr Ecol & Environm Cent Asia Bishkek Bishkek 720040 Kyrgyzstan;

    Al Farabi Kazakh Natl Univ Fac Geog & Environm Sci Alma Ata 050040 Kazakhstan|Res Ctr Ecol & Environm Cent Asia Almaty Alma Ata 050060 Kazakhstan;

    Natl Acad Sci Kyrgyz Republ Inst Geol Geog Dept Bishkek 720040 Kyrgyzstan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Kyrgyzstan; Mountain environments; Remote sensing; Soil loss; Water erosion;

    机译：吉尔吉斯斯坦;山地环境;遥感;土壤损失;水侵蚀;

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