Spatial Variation Characteristics of Soil Moisture in the Three Gorges Mountain Catchment Area of the Yangtze River

HU Lexin; LIU Muxing; ZHAO Lu; YI Jun; ZHANG Hailin; WAN Jinhong

doi:10.13870/j.cnki.stbcxb.2023.05.011

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Spatial Variation Characteristics of Soil Moisture in the Three Gorges Mountain Catchment Area of the Yangtze River

更新时间：2025-03-12

- Spatial Variation Characteristics of Soil Moisture in the Three Gorges Mountain Catchment Area of the Yangtze River
- Vol. 37, Issue 5, Pages: 86-93(2023)
- 作者机构：
  
  1. 地理过程分析与模拟湖北省重点实验室,武汉,430079
  2. 华中师范大学城市与环境科学学院,武汉,430079
  3. 中国水利水电科学研究院水利史研究所,北京,100048
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2023.05.011
  CLC： S152.7
- Published：2023
- 稿件说明：
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HU Lexin, LIU Muxing, ZHAO Lu, et al. Spatial Variation Characteristics of Soil Moisture in the Three Gorges Mountain Catchment Area of the Yangtze River[J]. 2023, 37(5): 86-93.
DOI：

HU Lexin, LIU Muxing, ZHAO Lu, et al. Spatial Variation Characteristics of Soil Moisture in the Three Gorges Mountain Catchment Area of the Yangtze River[J]. 2023, 37(5): 86-93. DOI： 10.13870/j.cnki.stbcxb.2023.05.011.

摘要

为阐明亚热带湿润气候区山地坡面土壤水分的时空变化及影响因素

以三峡库区针叶林覆盖的中山凹坡为研究对象

采用经典统计学和地统计学的方法

对2019-2020年5 m×5 m网格点监测的117个点位0-70 cm土层深度的土壤水分数据进行分析

研究了湿润和干旱条件下典型凹坡集水区内土壤含水量的统计学特征与环境因子的相关性

以及土壤含水量的空间变异特征。结果表明:(1)水平方向上

集水区内各层土壤水分均表现为中等变异(10%

Abstract

In order to clarify the spatial and temporal variation and the influencing factors of soil moisture on mountain slopes in the humid subtropical climate zone

taking the mid-mountain concave slopes covered by coniferous forest in the Three Gorges reservoir area as the research object. The soil moisture data of 117 monitoring points at a depth of 0-70 cm in a 5-meter grid during 2019 to 2020 were analyzed by using classical statistics and geostatistics methods. And this study investigated the correlation between the statistical characteristics of soil moisture content and environmental factors and the spatial variability characteristics of soil moisture content in the catchment area of typical concave slopes under wet and dry conditions. The results showed that:(1) Soil moisture of all layers in the catchment area showed moderate variability (10%

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