ZHANG Xiuwei,NIU Junjie,ZHAO Jingbo.Research on Soil Moisture Content in Different Vegetation in Dianwan Town of Zuoyun County[J].Research of Soil and Water Conservation,2015,22(05):52-57.
左云县店湾镇春季不同植被条件下土壤含水量研究
- Title:
- Research on Soil Moisture Content in Different Vegetation in Dianwan Town of Zuoyun County
- Keywords:
- soil moisture; soil water availability; dry soil layer; water cycle and water balance; Zuoyun County
- 分类号:
- S152.7
- 摘要:
- 为了研究左云县店湾镇春季不同植被条件下0—600 cm深度范围内土壤垂直剖面水分变化特征，分别对该区乔木（白榆和小叶杨）林地、灌木（柠条和沙棘）林地和草地5种不同植被条件下土壤水分进行了研究。结果表明：研究区不同植被条件下土壤剖面含水量变化规律不同。左云县矿区春季各土层平均含水量草地最高，柠条林地次之，白榆林地最少。其中草地各土层平均含水量比柠条林地高0.3%，比白榆林地高3.8%。该区各植被条件下土壤水分主要呈难效水状态。且各植被条件下土壤在200—400 cm深度范围内都存在干层，有轻度干层、中度干层和重度干层发育。该区水循环主要是地表水循环，地下水循环基本不存在，形成了土壤—植物—大气的水分循环模式，属于异常水分循环类型。
- Abstract:
- In order to investigate the changes of soil moisture in different soil layers within the depth of 0—600 cm under different vegetation in Zuoyun Town in spring, we determined the soil moisture of five different types of vegetation such as Arbor woodland (Ulmus pumila and Populus simonii Carr), shrub woodland (Caragana Korshinsk and Hippophae rhamnoides), and grassland. The results showed that soil moisture of different vegetation had different patterns. The average moisture content of grassland was the highest. Caragana korshinskii was lesser and Ulmus pumila was the least in spring in Zuoyun mining area, the average soil moisture of the grassland was 0.3% higher than Caragana Korshinsk while 3.8% higher than Hippophae rhamnoides. Soil water of the vegetation land in the area was the difficult unavailable water. Each profile of the vegetation land in the 200—400 cm soil layer existed dry soil layer which had developed mild dry soil layer, moderate dry soil layer and severe dry soil layer. Water cycle was mainly ground water cycle, and didn’t exist basically groundwater circulation. Soil-plant-atmosphere water cycle model was formed and belonged to abnormal water cycle type.
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备注/Memo
收稿日期:2014-09-04;改回日期:2014-11-04。
基金项目:国家自然科学基金项目“晋西北生态重建优势种林地土壤水分研究”（41171423）
作者简介:张秀伟(1989-),女,山西岚县人,硕士研究生,研究方向为环境评价与治理研究。E-mail:zhangxiuwei1012@163.com
通讯作者:牛俊杰(1968-),男,山西岚县人,博士,教授,主要从事区域环境研究。E-mail:junjieniu@foxmail.com