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ESTIMATING GROUNDWATER RECHARGE IN THE DRY ZONE OF SRI LANKA USING WEEKLY, 10-DAILY OR MONTHLY EVAPOTRANSPIRATION DATA
GROUNDWATER MONTHLY EVAPOTRANSPIRATION DATA DRY ZONE
2009/10/19
Howard and Lloyd (1979) have shown that daily values for rainfall and potential evapotranspiration are required in estimating recharge with a soil water balance model. However, available data may not ...
GROUNDWATER EXTRACTION IN THE UNITED ARAB EMIRATES UNDER THE CONSTRAINT OF SALINE WATER INTRUSION
Fresh water flows salinity intrusion coastal zone Bangladesh
2009/10/12
Fresh water flows counterbalance salinity intrusion in the coastal zone of Bangladesh. To quantify the required fresh water, requires a detailed understanding of physical phenomena including tidal mot...
Redox conditions in deep groundwater: recent accomplishments and future directions
deep groundwater rock redox conditions redox potential
2009/7/14
Redox potential (Eh) is one of the most important physico-chemical properties of groundwater. Groundwater Eh have been studied in terms of safety of high-level radioactive waste disposals, water resou...
Evaluation of in situ sulfate reduction as redox buffer capacity in groundwater flow path
groundwater flow path in situ redox buffer capacity sulfate reduction conglomerate bedding
2009/7/14
For safety assessment of geological isolation, it is important to evaluate in situ redox buffer capacity in high-permeability zone as groundwater flow path. This study evaluated in situ sulfate reduct...
Spatial and temporal variation in pH, alkalinity and conductivity in surface runoff and groundwater for the Upper River Severn catchment
pH surface runoff alkalinity conductivity Upper River Severn catchment
2009/6/8
Measurements of pH, alkalinity and electrical conductivity are used to examine the extent of the spatial and temporal variation in stream and ground water chemistry for the Upper Severn catchment, Pl...
Sources and controls of calcium and magnesium in storm runoff：the role of groundwater and ion exchange reactions along water flowpaths
calcium magnesium groundwater ion exchange reactions
2009/6/8
A combined hydrological and chemical investigation was undertaken in a small moorland catchment at Plynlimon to determine the processes controlling storm runoff chemistry. Flow from natural soil pipe...
Groundwater-surface water interaction and the climatic spatial patterns of hillslope hydrological response
Groundwater-surface water interaction climatic spatial patterns
2009/5/26
A transient, mixed analytical-numerical model of hillslope hydrological behaviour is used to study the patterns of infiltration, evapotranspiration, recharge and lateral flow across hillslopes. Comput...
Characterization of spatial heterogeneity of groundwater-stream water interactions using multiple depth streambed temperature measurements at the reach scale
water fluxes heat conduction-advection streambed temperature
2009/5/15
Streambed temperatures can be easily, accurately and inexpensively measured at many locations. To characterize patterns of groundwater-stream water interaction with a high spatial resolution, we measu...
An Estimate of Local Bomb-Produced 36Cl Fallout Using the Depth Profile of Groundwater in the Tsukuba Upland, Central Japan
Groundwater Central Japan Tsukuba Upland
2009/4/13
The depth profile of 36Cl/Cl ratio in groundwater was investigated in the Tsukuba Upland of central Japan. The obtained results clearly show the influence of bomb-produced 36Cl; the highest 36Cl/Cl ra...