Results 21 to 30 of about 304,707 (312)

Retrieval of Leaf Area Index (LAI) and Soil Water Content (WC) Using Hyperspectral Remote Sensing under Controlled Glass House Conditions for Spring Barley and Sugar Beet [PDF]

open access: yes, 2010
Leaf area index (LAI) and water content (WC) in the root zone are two major hydro-meteorological parameters that exhibit a dominant control on water, energy and carbon fluxes, and are therefore important for any regional eco-hydrological or ...
Borzuchowski, Jaromir   +3 more
core   +1 more source

Experimental Study on Relationship between Free Load Swelling Rate and Water Content of Medium Expansive Soil

open access: yesAdvances in Civil Engineering, 2021
Expansive soil has the property of water swelling, which is related not only to the hydrophilic mineral composition of soil particles and the microstructure of soil, but also to the initial moisture content, dry density, and overburden condition of soil.
Cheng Song   +4 more
doaj   +1 more source

Experimental Study on the Variation of Soil Dielectric Permittivity under the Influence of Soil Compaction and Water Content

open access: yesGeofluids, 2022
The dielectric permittivity of common soils is mainly controlled by water content and porosity, while the latter is closely related to the characteristics of compaction.
Jun Hu   +3 more
doaj   +1 more source

An experimental study of the relationship between water content and strength of unsaturated expansive soil on canal slope

open access: yesShuiwen dizhi gongcheng dizhi, 2022
The soil layer in the canal first section of the Middle Route of the South-to-North Water Transfer Project (MR-SNWTP) is mainly composed of expansive soil, and changes in water content of the expansive soil affect the stability of the slope.
Bin LI   +7 more
doaj   +1 more source

Feldspathic sandstone addition and its impact on hydraulic properties of sandy soil [PDF]

open access: yes, 2018
Feldspathic sandstone could be used as an effective conditioner to improve the physical quality of sandy soil, and increase the crop yield there. To determine the effects of feldspathic sandstone content on soil hydraulic properties in a sandy soil, the ...
Xiaofeng Yang   +5 more
core   +1 more source

MRI in soils: determination of water concent changes due to root water uptake by means of a multi-slice-multi-echo sequence (MSME) [PDF]

open access: yes, 2010
Root water uptake by ricinus communis (castor bean) in fine sand was investigated using MRI with multiecho sampling. Before starting the experiments the plants germinated and grew for 3 weeks in a cylindrical container with a diameter of 9 cm ...
Gerkema, E.   +5 more
core   +1 more source

Influence of Gate Dams on Yellow River Delta Wetlands

open access: yesLand, 2022
Nested Delft 3D and Hydrus 1D models were applied to simulate variations in the hydrological process of tidal creeks, soil water, and salt transport in the soil profile of the reconstruction area in the Yellow River Delta under six gate dam scenarios ...
Zhicheng Qu   +11 more
doaj   +1 more source

Water-repellent soil and its relationship to granularity, surface roughness and hydrophobicity: a materials science view [PDF]

open access: yes, 2005
Considerable soil water repellency has been observed at a wide range of locations worldwide. The soil exhibiting water repellency is found within the upper part of the soil profile.
Newton, Michael   +5 more
core   +1 more source

Experimental study on water transfer of soil-rock mixtures under freezing action

open access: yesYantu gongcheng xuebao
The frost-heaving failure of earth-rock dam slopes is mainly caused by the combined action of sand and gravel cushion, frost heaving of dam fills and water migration.
LI Zhuo 1, 2, JIANG Xin 3, ZHANG Jixun 3, ZHAO Yu 3, WANG Yuqing 3, LU Yang 3
doaj   +1 more source

Estimation of Soil Hydraulic Parameters with Measurment of Soil Water Content, Pressure Head or Measurment the Simultaneously by Inverse Method [PDF]

open access: yesعلوم و مهندسی آبیاری, 2014
Most processes of soil and water in the field occur in unsaturated conditions.In the field, It’s possible to estimate soil hydraulic properties by measurement of soil water content and soil water pressure head in different times, using inverse method. In
Maedeh MahmodianShoshtari   +2 more
doaj  

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