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Shallow Water Table

Modelling of the shallow water table at high spatial resolution using random forests

Modelling of the shallow water table at high spatial resolution using random forests

... the shallow water table at a 50 m spatial resolution using a machine learning modelling ...when shallow aquifer systems are replenished after several months of typically high rainfall and low ...

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Shallow water table effects on water, sediment, and pesticide transport in vegetative filter strips – Part 1: nonuniform infiltration and soil water redistribution

Shallow water table effects on water, sediment, and pesticide transport in vegetative filter strips – Part 1: nonuniform infiltration and soil water redistribution

... protect water bodies from surface runoff pollution from disturbed ...sonal shallow water table (WT) that can decrease soil infiltra- tion and increase surface pollutant transport during a ...

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Irrigation and Nitrogen Requirements of Wheat under Shallow Water Table Conditions of Asmara, Eritrea

Irrigation and Nitrogen Requirements of Wheat under Shallow Water Table Conditions of Asmara, Eritrea

... soil water availability [16] ...Maximum water use efficiency under deficit irrigation was achieved at 60 kg N ha −1 combined with 1/3 of full supplementary irrigation ...by water availability with ...

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Experimental and Modeling Investigation of Shallow Water Table Fluctuations in Relation to Reverse Wieringermeer Effect

Experimental and Modeling Investigation of Shallow Water Table Fluctuations in Relation to Reverse Wieringermeer Effect

... of shallow water table in response to various recharge ...Hence, shallow water table fluctuations inside sandy (Toyoura sand) and clayey (Chiba light clay) soil columns in ...

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Shallow Water Table-induced Soil Degradation of a Lacustrine Cultivated Soil

Shallow Water Table-induced Soil Degradation of a Lacustrine Cultivated Soil

... of shallow water table conditions on the soil degradation rate of Abis Experimental Research Station, Alexandria Governorate, ...and water logging conditions were assessed through collecting ...

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Modelling of shallow water table dynamics using conceptual and physically based integrated surface water–groundwater  hydrologic models

Modelling of shallow water table dynamics using conceptual and physically based integrated surface water–groundwater hydrologic models

... of shallow water table fluctuations while retaining its compu- tational ...low water table were simulated under different sets of rainfall intensity, soil property, and depth to the ...

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Geostatistical investigation into the temporal evolution of spatial structure in a shallow water table

Geostatistical investigation into the temporal evolution of spatial structure in a shallow water table

... Abstract. Shallow water tables near-streams often lead to saturated, overland flow generating areas in catchments in humid ...of shallow water tables, and associated saturated areas, is not ...

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Shallow water table effects on water, sediment, and pesticide transport in vegetative filter strips – Part 2: model coupling, application, factor importance, and uncertainty

Shallow water table effects on water, sediment, and pesticide transport in vegetative filter strips – Part 2: model coupling, application, factor importance, and uncertainty

... under shallow water table ...low water conditions, this tool fills an important gap in en- vironmental management and ...seasonal shallow water ta- ble effects that can now be ...

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Models for estimating capillary rise in a heavy clay soil with a saline shallow water table

Models for estimating capillary rise in a heavy clay soil with a saline shallow water table

... The objective of this study was to compare the perfor- mance of a quasi steady state analytical model (QSSAM), a transient state analytical model (TSAM) and a numeri- cal model (NM) for [r] ...

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A water management model for shallow water table soils

A water management model for shallow water table soils

... When developed and tested the resulting model would allow evaloation of proposed methods f o r reducing nutrient outflows from drainage systems... Hunnings, engineer[r] ...

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Effects of Drain Depth on Nitrogen Losses in Drainage in Shallow Water Table Soils

Effects of Drain Depth on Nitrogen Losses in Drainage in Shallow Water Table Soils

... determine whether shallow subsurface drains would reduce nitrate nitrogen losses in drainage effluent relative to deep subsurface drains. The field study was conducted over a two year period between May 12, 2001 ...

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Predicting salinization in a heavy clay soil subjected to a saline shallow water table

Predicting salinization in a heavy clay soil subjected to a saline shallow water table

... The objective of this study was to compare an analytical model and a numerical model to predict salinisation of a soil profile subjected to a saline water table.. Capillary rise and incr[r] ...

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Review of Some Methods of Determining in-Situ Saturated Hydraulic Conductivity of Soil

Review of Some Methods of Determining in-Situ Saturated Hydraulic Conductivity of Soil

... a shallow water ...the water from the pipe and then measuring the rate of rise of the water within the ...the water table in the ...

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Drip irrigation provides the salinity control needed for profitable irrigation of tomatoes in the San Joaquin Valley

Drip irrigation provides the salinity control needed for profitable irrigation of tomatoes in the San Joaquin Valley

... and shallow water-table problems is to convert from furrow or sprinkle irrigation to drip ...of water and salt movement showed localized leaching fractions of about 25% under subsurface drip ...

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Shift of annual water balance in the Budyko space for catchments with
groundwater dependent evapotranspiration

Shift of annual water balance in the Budyko space for catchments with groundwater dependent evapotranspiration

... steady-state water balance at the catchment ...annual water balance in catchments with varying ...annual water bal- ance in the standard Budyko ...a shallow water table and ...

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Salt- and sodium-affected soils

Salt- and sodium-affected soils

... ter, in the absence of a shallow water table, will change to sodic soils if the soluble salts are leached out of the profile without addition of calcium to replace the exchangeable sod[r] ...

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Assessment of aquifer intrinsic vulnerability using GIS based Drastic model in Sialkot area, Pakistan

Assessment of aquifer intrinsic vulnerability using GIS based Drastic model in Sialkot area, Pakistan

... main water bodies, ...recharge, shallow water table and sand and kankar as the aquifer media have made this zone more ...the shallow water table has also played a key role ...

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Potential groundwater contribution to Amazon evapotranspiration

Potential groundwater contribution to Amazon evapotranspiration

... the water table cannot drop blow the sea level; in the model, this is a direct result of setting the sea level as the lateral boundary ...the shallow water table along river corridors ...

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Array in Shallow Water Waveguides

Array in Shallow Water Waveguides

... proposed matched-mode autoregressive source depth estimation method (MMAR). Different range[r] ...

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Groundwater Exploitation in Bangalore and other Metropolitan Cities

Groundwater Exploitation in Bangalore and other Metropolitan Cities

... This indiscriminate exploitation is causing deep depression of the water table and making most of the shallow wells go dry.. If this condition persists, even trees will start to[r] ...

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