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Extension of the dupuit–forchheimer model for non-hydrostatic flows in unconfined aquifers... This approximation is valid only when the convergence of streamlines is very limited and the drawdown of the phreatic surface is small, or the thickness of the horizontal layer of the heterogeneous aquifers is sufficiently small....

général - core.ac.uk - PDF: doaj.org

Analytical solution of seepage through earth dam with an internal core ... Effect of relative permeability of core (kc/kd) on each relative seepage discharge (Q1/Q) and relative drop of phreatic surface (d/h1) due to core is investigated....

Analytical solution of seepage through earth dam with an internal core... Effect of relative permeability of core (kc/kd) on each relative seepage discharge (Q1/Q) and relative drop of phreatic surface (d/h1) due to core is investigated....

PDF: doaj.org

Forecast model of phreatic surface on tailings dam based on gm-grnn theory... It is urgent need of an accurate calculation method to forecast phreatic surface....

PDF: www.scientific.net

Phreatic surface fluctuations within the tropical floodplain paddy field of the yom river, thailandInternational audienceThe fluctuation of phreatic surfaces in tropical floodplain was studied for the lower part of the Yom's river basin at Phichit Province in Thailand....

PDF: hal.archives-ouvertes.fr

ground-water table

milieu naturel - iate.europa.eu

water table

milieu naturel - iate.europa.eu

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Variabialité spatio-temporelle des émissions de ges dans une tourbière à sphaignes : effets sur le bilan carbone

... Les résultats de ces travaux montrent que la tourbière de La Guette a fonctionné en source de C (-220 ± 33 gC m-2 an-1) et ce malgré un niveau de nappe élevé....

... Results show that La Guette peatland was a carbon source (-220 ± 33 gC m-2 an-1) in spite of the high water table level....

Europe / recherche et propriété intellectuelle / activité agricole - core.ac.uk - PDF: tel.archives-ouvertes.fr

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P-area acid/caustic basin groundwater monitoring report. second quarter 1995... Groundwater flow direction and rate in the water table beneath the P-Area Acid/Caustic Basin were similar to past quarters

milieu naturel / détérioration de l'environnement - core.ac.uk - PDF: digital.library.unt.edu

Waterlogging and salinity management in the sindh province, pakistan. supplement i-a. improved water management practices for the rice-wheat cropping systems in sindh province, pakistanIrrigation practices / Rice / Wheat / Cropping systems / Soil properties / Fertilizers / Water requirements / Crop yield / Water table / Tillage / Water use efficiency / Irrigation efficiency / Irrigation scheduling / Drainage / Effluents / Water reuse / Water management / Farmer participation / Water...

PDF: publications.iwmi.org

Waterlogging and salinity management in the sindh province. volume 1 - the irrigated landscape: resource availability across the hydrological divides... basins / Irrigated farming / Climate / Irrigation systems / Irrigation canals / Discharges / Water balance / Waterlogging / Salinity / Groundwater development / Tube wells / Water table / Drainage / Public sector / Land reclamation / Pakistan / Sindh Province / Indus Basin / Rohri / Larkana / Shikarpur / Hairdin / North Dadu / Ghotki / East Khairpur...

PDF: publications.iwmi.org

Publications scientifiques

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An anchored retaining wall in csm

... Cet article décrit une solution CSM renforcé avec des profilésverticaux IPE270 pour un mur de soutènement avec 66 m de long et 13 m de haut construit dans des formations géologiques de matériaux de remblayage, des formations du Miocène de sols sablonneux et des grès, avec un niveau de nappe phréatique autour de 8 m de profondeur....

... This paper describes a solution in cutter soil mixing reinforced with vertical steel profiles IPE270 for a retaining wall with 66 m long and 13 m high constructed in geological formations of landfill materials, Miocene sandy soils and sandstones, with a phreatic level around 8 m depth....

Europe - core.ac.uk -

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Waterlogging, salinity and crop yield relationshipsWaterlogging / Soil salinity / Irrigated farming / Fertilizers / Water table / Water quality / Soil degradation / Irrigation practices / Economic analysis / Farm income / Production costs / Cost benefit analysis / Sodic soils / Cotton / Wheat...

Asie - Océanie / milieu naturel - core.ac.uk - PDF: publications.iwmi.org

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Protecting groundwater quality using porous pipe and engineered soil systems... The depth of the water table remained relatively constant throughout the investigations....

détérioration de l'environnement / milieu naturel / industrie mécanique - core.ac.uk - PDF: hdl.handle.net