نتایج جستجو برای: water table level
تعداد نتایج: 1673385 فیلتر نتایج به سال:
The Mukhrino field station has participated in the national project on inventory of carbon fluxes and pools terrestrial ecosystems Russia since 2022. development a network measurements CO2 phytomass covered six types bog typical to Western Siberia. gross ecosystem exchange (GEE) field-layer vegetation (medians for period from end May July, mgC m−2 h−1; see errors Results section) decreased seri...
a case study was carried out to see the impacts of shrimp culture on the surface (pond) and ground water (tube-well) quality in three coastal sub-districts of bagherhat sadar, rampal and morrelganj of bangladesh. the people of rampal (100%), morrelgonj (87.5%) and bagherhat (75.5%) expressed that salinity of both surface and ground water increased after shrimp culture, and water becomes more tu...
In this study, the simulation of the BORKHAR plain aquifer located in north-east of Isfahan was done for the estimation of the hydrodynamic coefficients and for the preparation of the prediction and management model with the purpose of the study of the water table surface situation in the next years. The study of the geological situation of the plain and the report of the drilling of its exitin...
Results of observations of groundwater table in Roztocze are presented. Four types of fluctuation are distinguished. Most common and typical is the first one, dependent on annual hydrological cycle. The second type with amplitudes to 6 m depends on many years' cycle and is accompanied with insignificant influence of annual hydrological cycle. Correspondence of water table to groundwater runoffw...
The water table in unconfined aquifers is often believed to be a subdued replica of the topography or land surface. However, this assumption has not been widely tested and in some cases has been found to be in error. An analysis of ground water rise in regional unconfined aquifers, using both a two-dimensional boundary element model and a one-dimensional Dupuit-Forchheimer model, reveals the co...
In this study, the simulation of the BORKHAR plain aquifer located in north-east of Isfahan was done for the estimation of the hydrodynamic coefficients and for the preparation of the prediction and management model with the purpose of the study of the water table surface situation in the next years. The study of the geological situation of the plain and the report of the drilling of its exitin...
Understanding groundwater-vegetation interactions is crucial for sustaining fragile environments of desert areas such as the Horqin Sandy Land (HSL) in northern China. This study examined spatio-temporal variations in the water table and the associated vegetation status of a 9.71 km2 area that contains meadowland, sandy dunes, and intermediate transitional zones. The depth of the water table an...
according to recent studies, about 60 percent of surface waters and 57 percent ground waters are located in snowy zones in iran. in most areas of northern hemisphere and alpine environment areas, snow melt lead to the maximum instantaneous flow rate and is an important part of annual discharge. the present study investigated the effect of snowmelt on the surface waters and ground waters in baha...
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