Please wait a minute...
img

Wechat

Adv search
JOURNAL OF DESERT RESEARCH  2011, Vol. 31 Issue (3): 672-677    DOI:
国家重点基础研究发展规划     
Influence of Solute Degradation and Production on Water and Salt Migration
HU Wu-long, HUANG Ning
Key Laboratory of Ministry of Education for Mechanics on Western Disaster and Environment, Lanzhou University, Lanzhou 730000, China
Download:  PDF (1518KB) 
Export:  BibTeX | EndNote (RIS)      
Abstract  Soil salinization is one of the main types of desertification, and is a main form of land degradation in arid and semiarid areas. Water and salt migration in soil is the major content in the study of the soil salinization. Solute transport is a complex process which is related to physical, chemical and biological reactions. However, research on the influence of the solute degradation and production on solution transport is still rare. In this paper, we study the influence of solute degradation and production on solution transport by simulating the breakthrough curves of different values of solute degradation or production. The results show that the solution concentration will decrease with the increment of the degradation coefficient in solute transport, and increase with the increment of the production coefficient.
Key words:  degradation      solution production      two-region model      solute transport     
Received:  01 December 2010      Published:  20 May 2011
ZTFLH:  S156.41  
Articles by authors
HU Wu-long
HUANG Ning

Cite this article: 

HU Wu-long;HUANG Ning. Influence of Solute Degradation and Production on Water and Salt Migration. JOURNAL OF DESERT RESEARCH, 2011, 31(3): 672-677.

URL: 

http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2011/V31/I3/672

[1]王涛,朱震达.我国沙漠化研究的若干问题——1.沙漠化的概念及其内涵[J].中国沙漠,2003,23(3):209-214.
[2]杨根生,曲耀光,董光荣,等.疏勒河下游生态保护研究[J].中国沙漠,2005,25(4):472-482.
[3]买买提·阿扎提,艾力克木·卡德尔,吐尔逊·哈斯木.土壤盐渍化及其治理措施研究综述[J].环境科学与管理,2008,33(5):29-33.
[4]樊自立,马英杰,马映军.中国西部地区的盐渍土及其改良利用[J].干旱区研究,2001,18(3):1-6.
[5]刘东伟,吉力力·阿不都外力,雷加强,等.盐尘暴及其生态效应[J].中国沙漠,2011,31(1):168-173.
[6]刘虎俊,王继和,胡明贵,等.干旱区盐渍化土地梨园覆草效应研究[J].中国沙漠,1999,19(4):411-416.
[7]齐广平,张恩和,张步翀,等.不同含盐基质对膜下滴灌玉米根系生长及根区水盐含量的影响[J].中国沙漠,2007,27(6):1007-1011.
[8]Huang K,Toride N,van Genuchten M T.Experimental investigation of solute transport in large, homogeneous and heterogeneous soil columns[J].Transport in Porous Media,1995,18:283-302.
[9]魏新平,王文焰,王全九,等.溶质运移理论的研究现状和发展趋势[J].灌溉排水,1998,17(4):58-63.
[10]Lapidus L,Amundson N R.Mathematics of adsorption in Beds.Ⅳ.The effect of longitudinal diffusion in Ion exchange and chromatographic columns[J].The Journal of Physical Chemistry,1952,56(8):984-988.
[11]罗朋.盐碱土中不同灌水方式的水盐运移规律实验研究[D].西安: 西北农林科技大学,2008.
[12]van Genuchten M T,Wagenet R J.Two-site/two-region models for pesticide for pesticide transport and degradation:Theoretical development and analytical solutions[J].Soil Science Society of America Journal,1989,53(5):1303-1310.
[13]Toride N,Leij F J,van Genuchten M T.The CXTFIT Code for Estimating Transport Parameters from Laboratory or Field Tracer Experiments Version 2.1[R].Research Report No.137,1999.
[14]马东豪,王全九.土壤溶质迁移的两区模型与两流区模型对比分析[J].水利学报,2004(6):1-8.
[15]高光耀,冯绍元,黄冠华.饱和非均质土壤中溶质大尺度运移的两区模型模拟[J].土壤学报,2008,45(3):398-404.
[16]Fesch C,Lehmann P,Haderlein S B,et al.Effect of water content on solute transport in a porous medium containing reactive micro-aggregates[J].Journal of Contaminant Hydrology,1998,133: 211-230.
[17]Kartha S A,Srivastava R.Effect of immobile water content on contaminant transport in unsaturated zone[J].Journal of Hydro-environment Research,2008,1(3-4):206-215.
[18]Padilla I Y,T-C Jim Yeh,Conklin M H.The effect of water content on solute transport in unsaturated porous media[J].Water Resources search,1999,35(11):3303-3313.
[19]Bajracharya K,Barry D A.Nonequilibrium solute transport parameters and their physical significance: numerical and experimental results[J].Journal of Contaminant Hydrology,1997,24(3-4):185-204.
[20]Field M S,Pinsky P F.A two-region nonequilibrium model for solute transport in solution conduits in karstic aquifers[J].Journal of Contaminant Hydrology,2000,44(3-4):329-351.
[21]Toride N,Leij F J,van Genuchten M T.A comprehensive set of analytical solutions for nonequilibrium solute transport with first-order decay and zero-order production[J].Water Resources Research,1993,29(7):2167-2182.
[22]Goltz M N,Roberts P V.Simulations of physical nonequilibrium solute transport models:Application to a large-scale field experiment[J].Journal of Contaminant Hydrology,1988,3(1):37-63.
[23]Van Genuchten M T.Analytical solutions for chemical transport with simultaneous adsorption,zero-order production and first-order decay[J].Journal of Hydrology,1981(49):213-233.
No Suggested Reading articles found!