温度对南方红壤和水稻土水分特征曲线影响差异性分析

罗丽澎; 王辉; 朱晋斌; 谭帅; 胡传旺; 陈潇岳; 叶磊

doi:10.13870/j.cnki.stbcxb.2019.05.011

您当前的位置：

首页 >

文章列表页 >

温度对南方红壤和水稻土水分特征曲线影响差异性分析

更新时间：2025-03-12

- 温度对南方红壤和水稻土水分特征曲线影响差异性分析
- Difference Analysis of Temperature Effect on Water Characteristic Curves of Red Soil and Paddy Soil in South China
- 水土保持学报 2019年33卷第5期页码：72-78
- 作者机构：
  
  湖南农业大学工学院,长沙,410128
- 作者简介：
  
  [ "罗丽澎(1996-),女,硕士研究生,主要从事水土环境研究。E-mail:1152322600@qq.com" ]
- 基金信息：
  
  国家自然科学基金项目（41471185）湖南省重点研发计划项目（2016JC2032）湖南省教育厅科学研究重点项目（15A084）
- DOI：10.13870/j.cnki.stbcxb.2019.05.011
  中图分类号：
- 纸质出版：2019
- 稿件说明：
移动端阅览
罗丽澎, 王辉, 朱晋斌, 等. 温度对南方红壤和水稻土水分特征曲线影响差异性分析[J]. 水土保持学报, 2019,33(5):72-78.

LUO Lipeng, WANG Hui, ZHU Jinbin, et al. Difference Analysis of Temperature Effect on Water Characteristic Curves of Red Soil and Paddy Soil in South China[J]. 2019, 33(5): 72-78.
罗丽澎, 王辉, 朱晋斌, 等. 温度对南方红壤和水稻土水分特征曲线影响差异性分析[J]. 水土保持学报, 2019,33(5):72-78. DOI： 10.13870/j.cnki.stbcxb.2019.05.011.

LUO Lipeng, WANG Hui, ZHU Jinbin, et al. Difference Analysis of Temperature Effect on Water Characteristic Curves of Red Soil and Paddy Soil in South China[J]. 2019, 33(5): 72-78. DOI： 10.13870/j.cnki.stbcxb.2019.05.011.

摘要

为了研究温度变化对土壤水分特征曲线的影响，采用高速离心机法测定南方红壤和水稻土在4，12，20，28，36℃温度条件下土体脱湿过程的水分特征曲线，并运用VG模型进行参数提取，探讨了温度对土壤当量孔径分布、非饱和导水率及水分扩散度等参数的影响。结果表明：相同水势条件下红壤和水稻土的含水率随温度增加而显著减少（P<0.05），表现出4℃ > 12℃ > 20℃ > 28℃ > 36℃的关系，且同一温度下的红壤持水性能显著高于水稻土（P<0.05）；不同温度处理下红壤和水稻土的非饱和导水率以及水分扩散度均表现出20℃最高、36℃最小的显著差异性（P<0.05），这表明土壤在20℃时的导水能力和入渗能力相对最佳，且同一温度下红壤的非饱和导水率和水分扩散度均低于水稻土；红壤和水稻土的饱和含水率θs、进气值相关参数α、形状系数n均随温度增加而缓慢减小，拟合参数随温度变化而差异显著（P<0.05），这说明土壤水分特征曲线参数对温度有一定的敏感性。研究结果可为进一步探讨温度对南方土壤持水性能和水分运移机制研究提供合理的参考依据。

Abstract

In order to study the effect of temperature changes on soil water characteristic curve

the water characteristic curves of red soil and paddy soil in South China were measured by high-speed centrifuge at 4

28 and 36℃ respectively. The parameters were extracted by VG model

and the effects of temperature on soil equivalent pore size distribution

unsaturated hydraulic conductivity and water diffusivity were discussed. The results showed that the water contents of red soil and paddy soil decreased significantly with the increase of temperature under the same water potential (P<0.05)

appearing as 4℃ > 12℃ > 20℃ > 28℃ > 36℃. The water holding capacity of red soil was significantly higher than that of paddy soil (P<0.05) at the same temperature. Under different temperature treatments

unsaturated hydraulic conductivity and water diffusivity of red soil and paddy soil showed the significant difference that the highest value was observed at 20℃ and the smallest at 36℃ (P<0.05)

which indicated that the water conductivity and infiltration capacity of red soil were relatively optimal at 20℃. The unsaturated hydraulic conductivity and water diffusivity of red soil were lower than those of paddy soil at the same temperature. The saturated moisture content θs of red soil and paddy soil

the relative parameters of air intake value α

and the shape coefficient n all decreased slowly with the increase of temperature

and the fitting parameters were significantly different with the changes of temperature (P<0.05)

which indicated that the parameters of soil water characteristic curve were sensitive to temperature. The results of this study could provide a reasonable reference for further exploring the effect of temperature on soil water holding capacity and water transport mechanism in southern China.

关键词

Keywords

references

程冬兵,蔡崇法.室内基于土壤水分再分布过程推求紫色土导水参数[J].农业工程学报,2008,24(7):7-12.

Hwang S I, Powers S E. Estimating unique soil hydraulic parameters for sandy media from multi-step outflow experiments[J]. Advances in Water Resources,2003,26(4):445-456.

陈安强,雷宝坤,胡万里,等.洱海近岸菜地包气带土壤水分特征曲线参数变化及其影响因素[J].灌溉排水学报,2018,37(10):48-54.

李航,严方晨,焦菊英,等.黄土丘陵沟壑区不同植被类型土壤有效水和持水能力[J].生态学报,2018,38(11):3889-3898.

刘小宁,蔡立群,黄益宗,等.生物质炭对旱作农田土壤持水特性的影响[J].水土保持学报,2017,31(4):112-117.

赵兴凯,李增尧,朱清科.基于SPI和SPEI陕北黄土区土壤水分对气候特征的响应[J].农业机械学报,2016,47(8):155-163.

Harlan R L, Nixon J F. Ground thermal regime, geotechnical engineering for cold regions[J]. Geotechnique,1979,15(2):103-108.

Miller R D. Freezing and heaving of saturated and unsaturated soils[J]. Highway Research Record,1972,393(1):1-11.

Cheng H Y, Wang G X, Hu H C, et al. The variation of soil temperature and water content of seasonal frozen soil with different vegetation coverage in the headwater region of the Yellow River, China[J]. Environmental Geology,2008,54(8):1755-1762.

Tong F G. Numerical modeling of coupled thermo-Hydro-Mechanical processes of geological porous media[D]. Sweden:Royal Institute of Technology,2010.

赵刚,陶夏新,刘兵.原状土冻融过程中水分迁移试验研究[J].岩土工程学报,2009,31(12):1952-1957.

王铁行,罗少锋,刘小军.考虑含水率影响的非饱和原状黄土冻融强度试验研究[J].岩土力学,2010,31(8):2378-2382.

朱丽平,夏江宝,赵自国,等.温度和粒径分布对贝壳砂土壤水分的影响[J].水土保持学报,2014,28(6):268-272,288.

龚恩磊,王辉,胡传旺,等.酸性溶液对红壤水分入渗特征影响及其模拟研究[J].水土保持学报,2015,29(1):48-51,61.

杜衍红,蒋恩臣,刘传平,等.生物质炭对华南典型红壤水分渗透及持水性的影响[J].生态环境学报,2019,28(2):276-282.

胡传旺,王辉,刘常,等.南方典型土壤水力特征差异性分析[J].水土保持学报,2017,31(2):97-102.

尚熳廷,冯杰,刘佩贵,等.SWCC测定时吸力计算公式与最佳离心时间的探讨[J].河海大学学报(自然科学版),2009,37(1):12-15.

徐绍辉,张佳宝,刘建立,等.表征土壤水分持留曲线的几种模型的适应性研究[J].土壤学报,2002,39(4):498-504.

邢旭光,赵文刚,马孝义,等.土壤水分特征曲线测定过程中土壤收缩特性研究[J].水利学报,2015,46(10):1181-1188.

王薇,孟杰,虎胆·吐马尔白.RETC推求土壤水动力学参数的室内试验研究[J].河北农业大学学报,2008, 31(1):99-102,106.

魏义长,刘作新,康玲玲.辽西淋溶褐土土壤水动力学参数的推导及验证[J].水利学报,2004,35(3):81-86.

陈俊英,刘畅,张林,等.斥水程度对脱水土壤水分特征曲线的影响[J].农业工程学报,2017,33(21):188-193.

雷志栋,杨诗秀,谢森传.土壤水动力学[M].北京:清华大学出版社,1988:18-24.

葛松华,唐亚明.大学物理实验教程[M].北京:电子工业出版社,2004:3.

Chaudhari S K, Somawanshi R B. Effect of water quality on moisture retention characteristics of different texture soils[J]. Journal of Maharashtra Agricultural Universities,2000,25(2):128-133.

高红贝,邵明安.温度对土壤水分运动基本参数的影响[J].水科学进展,2011,22(4):484-494.

杨芳,段惠敏,段建军,等.温度对黑色石灰土原土及不同粒径土壤颗粒有机碳矿化的影响[J].河南农业科学,2019,48(2):68-76.

尚熳廷,张建云,刘九夫,等.大孔隙对土壤比水容重及非饱和导水率影响的实验研究[J].灌溉排水学报,2012,31(2):1-5.

郭全恩,王益权,车宗贤,等.温度及矿化度对土壤持水性能的影响[J].灌溉排水学报,2012,31(6):52-55.

陈宸,张沣,张华,等.温度效应对粉砂土壤水分特征曲线的影响研究[J].中国农村水利水电,2016(6):173-176,181.

任荣,马娟娟,郑利剑,等.蓄水坑灌水土温度变化对土壤水分再分布规律的影响[J].灌溉排水学报,2018,37(4):39-46.

浏览量

1445

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

外源碳酸钙和温度对黄壤活性有机碳组分及微生物群落组成的影响

不同水溶液条件对复合改性矿物包膜尿素养分释放的影响

控释复合肥田间养分释放特征及对土壤硝态氮和铵态氮累积的影响

镉和铅在2种典型土壤中的吸附及其与温度的关系

半干旱黄土丘陵区植物休眠期覆盖对土壤水热变化的影响