Soil Water Retentivity and Permeability of Unsaturated Sands
نویسندگان
چکیده
منابع مشابه
Sensitivity Analysis of Hydraulic Parameters in the Simulation of Unsaturated Soil Water Dynamics
Soil water content is one of the most important parameters for estimating irrigation frequency and providing the plant’s water requirement. Since measurement of soil water content is both expensive and time consuming, water movement models are used to estimate these values. In this study, LEACHW model was used to estimate soil water content for two “dry” (20-29 Aug) and “wet” (1-6 Jul) periods ...
متن کاملDetermination of unsaturated hydraulic conductivity by internal drainage assuming a uniform soil water profile
متن کامل
Small Strain Stiffness of Unsaturated Sands Containing a Polyacrylamide Solution
Sand improvements using organic agents have shown promising results. Polyacrylamide is one possible organic agent, which has been shown to influence the shear strength, stiffness, soil remediation, and erosion resistance of geomaterials. In this study, we explored the shear wave velocity (S-wave) and water retention curves of unsaturated sands containing polyacrylamide solutions. The shear wave...
متن کاملPredicting Water Permeability of the Soil Based on Open Data
Water permeability is a key concept when estimating load bearing capacity, mobility and infrastructure potential of a terrain. Northern sub-arctic areas have rather similar dominant soil types and thus prediction methods successful at Northern Finland may generalize to other arctic areas. In this paper we have predicted water permeability using publicly available natural resource data with regr...
متن کاملFingered preferential flow in unsaturated homogeneous coarse sands
Abstract The occurrence of fingered preferential flow depends on both flow and porous media characteristics. The boundary condition of unsaturated infiltration has been investigated to assess whether it produces unstable wetting in homogeneous coarse sands. Laboratory tracer experiments were conducted in two coarse sand materials; for each sand material two initial conditions of air dry and fie...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: THE JOURNAL OF THE JAPANESE ASSOCIATION OF GROUNDWATER HYDROLOGY
سال: 1984
ISSN: 0029-0602,2186-5515
DOI: 10.5917/jagh1959.26.111