Results 121 to 130 of about 176,740 (162)

Study on Soil and Water Loss on Slope Surface and Slope Stability Under Rainfall Conditions

Water (Switzerland)
For a binary structure slope with a soil layer on the top and a rock layer on the bottom, during the rainfall process, surface runoff will cause soil and water loss on the slope surface and damage to the slope environment. When rainwater infiltrates into the slope, the pore water pressure in the soil gradually increases, the shear strength of the soil ...
Wei Zhong, Wang Shihao
exaly   +2 more sources

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Groundwater—Surface waters interactions at slope and catchment scales: implications for landsliding in clay‐rich slopes

Hydrological Processes, 2016
AbstractUnderstanding water infiltration and transfer in soft‐clay shales slopes is an important scientific issue, especially for landsliding. Geochemical investigations are carried out at the Super‐Sauze and Draix‐Laval landslides, both developed in the Callovo‐Oxfordian black marls, with the objective to define the origin of the groundwater.
Marc, Vincent, Bertrand, Catherine, Malet, Jean-Philippe, Carry, Nicolas, Simler, Roland, Cervi, Federico   +5 more
openaire   +2 more sources

Water content distribution in the surface layer of Maoping slope

Science China Technological Sciences, 2005
The water content distribution in the surface layer of Maoping slope has been studied by testing the water content at 31 control sites. The water content profiles at these sites have also been determined. The water content distributions at different segments have been obtained by using the Kriging method of geostatistics. By comparing the water content
Yuewu Liu, Huixin Chen, Qingquan Liu, Xin Gong, Dawei Zhang, Lianxiang Li   +5 more
openaire   +1 more source

Directional slope distributions of wind‐disturbed water surface

Radio Science, 1986
Probability‐density functions of directional slopes of the wind‐disturbed water surface were measured with an optical scanner. The upwind‐downwind and crosswind components of mean‐square slopes were found to vary with the logarithm of wind‐friction velocity.
Stephen P. Haimbach, Jin Wu
openaire   +1 more source

Slope of Water Surface in the Erie Canal

Transactions of the American Society of Civil Engineers, 1877
The importance of obtaining levels of extreme accuracy in any case in which the natural flow of water in rivers or canals is concerned is obvious, hut especially where it is desired to ascertain th...
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Water Flow in Layered Soils With Sloping Surface

Journal of Irrigation and Drainage Engineering, 1988
An analytical solution is derived for a two‐dimensional soil with a sloping surface under steady and water‐saturated flow conditions. The soil was assumed to consist of several layers, each horizontally stratified. The lower layer was assumed to extend to a great depth. Each layer was considered anisotropic in nature where the hydraulic conductivity in
openaire   +1 more source

Measurement of water surface slope using tachymetric observations [PDF]

Accurate determination of the water surface slope (WSS) is essential for hydraulic calculations, yet it remains challenging in lowland rivers with gentle gradients, particularly over short reaches. Existing methods such as leveling, satellite data, TLS, or photogrammetry show significant limitations in small streams.
Maciej Gruszczyński, Jan Błotnicki, Wojciech Sowa, Adam Pałęcki, Krzysztof Stasch, Marcin Popczyk   +5 more
openaire   +1 more source

Slope and Curvature Distributions of Wind-Disturbed Water Surface

Journal of the Optical Society of America, 1971
The microstructure of the wind-disturbed water surface, characterized by surface-slope and surface-curvature distributions, is studied in a laboratory tank with a newly developed optical instrument. Some features of these distributions under various wind and wave conditions are systematically presented.
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Temporal variations in river water surface elevation and slope captured by AirSWOT [PDF]

Remote Sensing of Environment, 2019
The Surface Water and Ocean Topography (SWOT) satellite mission aims to improve the frequency and accuracy of global observations of river water surface elevations (WSEs) and slopes. As part of the SWOT mission, an airborne analog, AirSWOT, provides spatially-distributed measurements of WSEs for river reaches tens to hundreds of kilometers in length ...
Laurence Smith, Elizabeth Altenau, Lincoln Pitcher   +2 more
exaly   +3 more sources

Water-surface slope at critical controls in open-channel flow

Journal of Hydraulic Research, 1996
A general equation is proposed for the determination of water-surface slope of a steady, gradually varied openchannel flow at a critical section. Thereupon the different types of singular points and water-surface slopes are given at such a section caused by changes in (1) bed slope, (2) channel width, (3) surface roughness of the channel, and (4 ...
Chen, Jiyang, Dracos, Themistocles
openaire   +2 more sources