نتایج جستجو برای: models infiltration

تعداد نتایج: 956891  

2000
B. C. Si R. G. Kachanoski

unsaturated hydraulic conductivity, K, expressed as a function of the soil water content, u, or the soil water Hysteresis has been found in both the hydraulic conductivity, K, pressure head, c, and the relation between u and c must vs. pressure head, c, relationship, and the soil water content, u, vs. c relationship. This limits the application of a unified solution for be specified before anal...

Journal: :تحقیقات مهندسی کشاورزی 0
ابوالفضل ناصری استادیار پژوهش بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان شرقی محمدرضا نیشابوری استاد گروه خاکشناسی دانشکده کشاورزی دانشگاه تبریز

soil infiltration characteristics affect the design, evaluation and management of furrow irrigation over afield. on the other hand, different variables influence furrow infiltration, making infiltration modeling for afield a complex process. this study was conducted to investigate the direct and indirect effects of allvariables affecting furrow infiltration. the blocked furrow method was used t...

Journal: :Water environment research : a research publication of the Water Environment Federation 2007
Shirley E Clark Robert Pitt

To offset the detrimental effects of urbanization on groundwater recharge, stormwater managers are focusing on infiltrating much of the runoff from a site that was generated because of development. For this to be effective, tools are required to predict the potential for contamination resulting from this infiltration for many site conditions, because infiltration should be stressed in areas whe...

DDesigned and undersigned fires in rangelands affect vegetation and soil, and then are necessary to give enough knowledge about them. Infiltration is one characteristic that have predict had affected by fire but had not studied enough yet. So spot fire have been seen in Artemisia aucheri type in Charat sub watershed at Mazandaran province, in this research were investigated primary, final infil...

Journal: :International Agrophysics 2021

1. Araya S.N. and Ghezzehei T.A., 2019. Using machine learning for prediction of saturated hydraulic conductivity its sensitivity to soil structural perturbations. Water Res. Res., 55(7), 5715-5737. https://doi.org/10.1029/2018wr.... CrossRef Google Scholar

Journal: :محیط شناسی 0
ندا محسنی دانشجوی دکتری ژئومورفولوژی، گروه جغرافیای طبیعی، دانشگاه فردوسی مشهد عادل سپهر استادیار گروه مدیریت مناطق خشک و بیابانی، دانشکدۀ منابع طبیعی و محیط زیست، دانشگاه فردوسی مشهد

the significance of spatial heterogeneity in understanding ecological processes has been recognized long ago. one of the earliest expressions of this recognition is the habitat heterogeneity hypothesis that links spatial  heterogeneity to niche vegetation patterns formation and species coexistence. yet, an  important if not crucial  aspect of landscape heterogeneity has escaped deep considerati...

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