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Analytical Method to Determine Soil Hydraulic Properties from Vertical Infiltration Experiments
Ma, Donghao1; Zhang, Jiabao1; Horton, Robert2; Wang, Quanjiu3; Lai, Jianbin4
2017-11-01
Source PublicationSOIL SCIENCE SOCIETY OF AMERICA JOURNAL
ISSN0361-5995
Volume81Issue:6Pages:1303-1314
Corresponding AuthorZhang, Jiabao(jbzhang@issas.ac.cn)
AbstractSoil hydraulic properties are basic inputs for simulating water and solute transport in the vadose zone. Many methods have been developed to directly measure or indirectly estimate soil hydraulic properties. However, low-cost, simple and robust methods are still scarce even in a laboratory. Here we present a new analytical method, based on an approximate solution to the one-dimensional vertical infiltration problem that can be used to determine Brooks-Corey model parameters. Measurements include cumulative infiltration, wetting front advance with time, and initial and final upper boundary water contents, during a one-dimensional vertical infiltration experiment. Infiltration experiments with twelve disturbed soils were performed to test the new method. The results indicated that the estimated saturated hydraulic conductivities from transient infiltration processes were consistent with those measured with a constant-head method. The estimated soil water retention curves (SWRCs) by the analytical method for the twelve soils were in agreement with those measured by a direct method in which soil water potentials were measured through tensiometers. The root mean square error (RMSE) of the estimated soil water contents by the new method were less than 0.045 cm(3) cm(-3) for the twelve soils. Compared to most direct methods, the new method is inexpensive, rapid and easy to use, and thus can be a substitute for direct methods in a laboratory. Although how to monitor representative wetting front remains unsolved, the new method has a potential for use in the future in determining in situ soil hydraulic properties where lateral flows are negligible.
DOI10.2136/sssaj2017.02.0061
WOS KeywordSINGLE-RING INFILTROMETER ; COREY MODEL PARAMETERS ; WATER RETENTION CURVE ; DISC INFILTROMETER ; UNSATURATED SOILS ; BEERKAN METHOD ; PEDOTRANSFER FUNCTIONS ; HORIZONTAL ABSORPTION ; TRANSPORT-PROPERTIES ; EVAPORATION METHOD
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[41271237] ; National Nature Science Foundation of China[41671228] ; National Key Research and Development Program of China[2016YFD0300809] ; National Key Research and Development Program of China[2016YFD0200107] ; earmarked fund for China Agriculture Research System[CARS-03] ; 135 Field Frontier Project of the Institute of Soil Science, CAS[ISSASIP1603]
Funding OrganizationNational Nature Science Foundation of China ; National Key Research and Development Program of China ; earmarked fund for China Agriculture Research System ; 135 Field Frontier Project of the Institute of Soil Science, CAS
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000419646100006
PublisherSOIL SCI SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/60556
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Jiabao
Affiliation1.Chinese Acad Sci, State Expt Stn Agroecosyst Fengqiu, State Key Lab Soil & Sustainable Agr, Inst Soil Sci, Nanjing 210008, Jiangsu, Peoples R China
2.Iowa State Univ, Dept Agron, Ames, IA 50011 USA
3.Xian Univ Technol, Inst Water Resources Res, Xian 710048, Shaanxi, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Ma, Donghao,Zhang, Jiabao,Horton, Robert,et al. Analytical Method to Determine Soil Hydraulic Properties from Vertical Infiltration Experiments[J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,2017,81(6):1303-1314.
APA Ma, Donghao,Zhang, Jiabao,Horton, Robert,Wang, Quanjiu,&Lai, Jianbin.(2017).Analytical Method to Determine Soil Hydraulic Properties from Vertical Infiltration Experiments.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,81(6),1303-1314.
MLA Ma, Donghao,et al."Analytical Method to Determine Soil Hydraulic Properties from Vertical Infiltration Experiments".SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 81.6(2017):1303-1314.
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