Characteristics of Soil Moisture and Its Simulation in Surface Soil Layer in Freezing Period

ZHANG Bo; LIU Zhi-hui

doi:10.13961/j.cnki.stbctb.2014.03.049

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Characteristics of Soil Moisture and Its Simulation in Surface Soil Layer in Freezing Period

- Characteristics of Soil Moisture and Its Simulation in Surface Soil Layer in Freezing Period
- Bulletin of Soiland Water Conservation Vol. 33, Issue 3, Pages: 247-251(2014)
- 作者机构：
  
  1. 新疆大学资源与环境科学学院,新疆,乌鲁木齐,830046
  2. 新疆大学教育部绿洲生态重点实验室,新疆,乌鲁木齐,830046
  3. 干旱生态环境研究所,新疆,乌鲁木齐,830046
  4. 干旱半干旱区可持续发展国际研究中心,新疆,乌鲁木齐,830046
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.03.049
  CLC：
- Published：2014
- 稿件说明：
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ZHANG Bo, LIU Zhi-hui. Characteristics of Soil Moisture and Its Simulation in Surface Soil Layer in Freezing Period[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 247-251.
DOI：

ZHANG Bo, LIU Zhi-hui. Characteristics of Soil Moisture and Its Simulation in Surface Soil Layer in Freezing Period[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 247-251. DOI： 10.13961/j.cnki.stbctb.2014.03.049.

摘要

利用EM

数据采集系统

在新疆天山北坡呼图壁县军塘湖河流域采集冻结期和融雪期土壤湿度、土壤温度数据

利用SPSS 19.0

Excel

Surfer 8等软件处理采集到的数据

并对其进行分析、制图。另外利用表层土壤温度模拟土壤湿度变化。结果表明

土壤湿度存在垂直分布规律:冻结期

在土壤层的10

48 cm处存在极小值;冻结期

土壤湿度日变化较小

融雪期

土壤湿度有显著变化

17:00-19:00时达到土壤湿度变化的峰值;利用表层土壤温度可以很好地模拟土壤湿度

在温度上升和下降阶段均有较好的模拟效果。

Abstract

By Using EM50 data collection system

soil moisture and temperature in the freezing and snowmelt periods were collected in the Juntanghu watershed situated on the northern slope of Tianshan Mountains

Hutubi County

Xinjiang Autonomous Region. The software

such as SPSS 19.0

Excel and surfer 8

was used to process the collected data. Meanwhile

change of surface soil moisture was simulated by soil temperature. The results indicated that there was a vertical distribution of soil moisture. In the freezing period

the minimum soil moisture was observed at the depths of 10

and 48 cm; in the freezing period

the daily change of soil moisture was relatively little; and in the snowmelt period

the change was obvious

reaching a peak value at 17 to19 o'clock. The temperature of surface soil layer is able to simulate the soil moisture very well and the simulation has a better result both in temperature-rise and temperature-fall periods.

关键词

Keywords

references

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