نتایج جستجو برای: urban recharge

تعداد نتایج: 175351  

2003
Ingrid Chorus Hartmut Bartel G. Grützmacher G. Böttcher

The German Federal Environmental Agency (Umweltbundesamt – UBA) operates an experimental field on the southern outskirts of Berlin for the investigation of special aspects of environmental hygiene. One part of the field consists of a storage pond with subsequent bank filtration, artificial recharge and slow sand filtration where experiments on the behavior of hazardous substances during bank fi...

2016
Lilly G. Corenthal David F. Boutt Scott A. Hynek Lee Ann Munk

Focused groundwater discharge in closed basins provides opportunities to investigate mechanisms for closing hydrologic and solute budgets in arid regions. The Salar de Atacama (SdA), adjacent to the Central Andean Plateau in the hyperarid Atacama Desert, provides an extreme example of halite (>1800 km) and lithium brine (~5000 ppm) accumulation spanning late Miocene to present. Minimum long-ter...

In this study the recharge and discharge of Isfahan-borkhar aquifer was investigated. This leads to long-term management of the aquifer and will make appropriate decisions by planners. The results of this study showed that the water table was constantly decreasing over the selected statistical period. The water table level was reduced by 0.46m per year, which reflects the fact that the aquifer ...

ژورنال: علوم آب و خاک 2015
دولت‌آبادی, سپیده, زمردیان, سید‌محمد‌علی,

One of the most essential and appropriate groundwater model components is accurate information of the recharge values among input data often introduced to the model as the percentage of rainfall of aquifers. The recharge values are influenced by many temporal and spatial factors. Firoozabad plain is one of the suitable plains for agriculture in the Fars province in which utilization of groundwa...

Journal: :Computers & Geosciences 2010
Ismail Chenini Abdallah Ben Mammou

To demonstrate the capabilities of Geographic Information System (GIS) techniques and numerical modeling for groundwater resources development in arid areas, specifically for the demarcation of suitable sites for the artificial recharge of groundwater aquifers, a study was carried out in the Maknassy basin, which is located in Central Tunisia. Thematic maps were prepared using a Hydrogeological...

2005
P. M. Allen R. D. Harmel J. Arnold B. Plant J. Yelderman K. King

The water budget in clay shale terrain is controlled by a complex interaction between the vertisol soil layer, the underlying fractured rock, land use, topography, and seasonal trends in rainfall and evapotranspiration. Rainfall, runoff, lateral flow, soil moisture, and groundwater levels were monitored over an annual recharge cycle. Four phases of soil–aquifer response were noted over the stud...

2014
Jordan F Clark Sheila Morrissey Jason Dadakis Adam Hutchinson Roy Herndon

Determining hydraulic connections and travel times between recharge facilities and production wells has become increasingly important for permitting and operating managed aquifer recharge (MAR) sites, a water supply strategy that transfers surface water into aquifers for storage and later extraction. This knowledge is critical for examining water quality changes and assessing the potential for ...

2012
JÓZSEF SZILÁGYI ÁKOS KOVÁCS JÁNOS JÓZSA József Szilágyi Ákos Kovács János Józsa

Mean annual recharge in the Danube-Tisza sand plateau region of Hungary over the 2000–2008 period was estimated at a 1-km spatial resolution as the difference of mean annual precipitation (P) and evapotranspiration (ET). The ET rates were derived from linear transformations of the MODIS daytime land surface temperature (Ts) values with the help of ancillary atmospheric data (air temperature, hu...

Journal: :Journal of contaminant hydrology 2004
Serge Brouyère Alain Dassargues Vincent Hallet

This paper presents the results of a detailed field investigation that was performed for studying groundwater recharge processes and solute downward migration mechanisms prevailing in the unsaturated zone overlying a chalk aquifer in Belgium. Various laboratory measurements were performed on core samples collected during the drilling of boreholes in the experimental site. In the field, experime...

2014
Dongzhi Zhang Ickjai Lee

Due to the inherent discrete nature of sensing, interpolation is a key activity in sensing. Interpolation in urban computing faces an unprecedented inference issue that was not present in large scale traditional sensing environments. Obstacles such as buildings and walls are prevalent in urban sensing, and it is important to consider them in urban sensing interpolation. This paper introduces an...

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