scholarly journals Estimate of regional groundwater recharge rate in the Central Haouz Plain, Morocco, using the chloride mass balance method and a geographical information system

2015 ◽  
Vol 7 (4) ◽  
pp. 1679-1688 ◽  
Author(s):  
Ouassil Ait El Mekki ◽  
Nour-Eddine Laftouhi ◽  
Lahoucine Hanich
Keyword(s):  
Information System ◽  
Mass Balance ◽  
Groundwater Recharge ◽  
Geographical Information System ◽  
Geographical Information ◽  
Chloride Mass Balance ◽  
Recharge Rate ◽  
Mass Balance Method ◽  
Groundwater Recharge Rate ◽  
Regional Groundwater

scholarly journals Groundwater Recharge Assessment using Geographic Information System APLIS Method in Donorojo Karst Area, Pacitan

2021 ◽  
Vol 936 (1) ◽  
pp. 012027
Author(s):  
P V Hardyani ◽  
A S Bahri ◽  
T Hariyanto ◽  
W W Parnadi ◽  
Y Rosandi ◽  
...  
Keyword(s):  
Information System ◽  
Spatial Distribution ◽  
Groundwater Recharge ◽  
Geographical Information ◽  
Karst Area ◽  
Karst Aquifers ◽  
Recharge Rate ◽  
Recharge Rates ◽  
Groundwater Recharge Rate ◽  
Aplis Method

Abstract Karst aquifers can be a source of water supply, especially for the community in Donorojo District, which is one of the areas with the worst drought crisis in Pacitan Regency and requires a sustainable solution to the problem of water needs. Therefore, the study and management of karst formations are very important because of their abundance and potential in forming subsurface aquifer karst aquifers. The recharge rate is one of the basic parameters in the management of the consumption and maintenance of this resource. In addition, the distribution of aquifer locations, aquifer characteristics, and the quality of groundwater forming the aquifer need to be known. This study aims to assess aquifers in the Karst area of Donorojo, Pacitan based on recharge rate and spatial distribution. The APLIS method can estimate surface recharge rates and present the results as a map of the spatial distribution of aquifer recharge rates by utilizing a Geographical Information System (GIS). The results of the analysis using the APLIS method, the groundwater recharge rate in the Donorojo Pacitan karst area is divided into 4 classes, namely very low, low, moderate, and high. Almost the entire Donorojo karst area has a high groundwater recharge rate, this means that the area needs to be used as a groundwater protection zone and it is important to carry out good groundwater management, especially to overcome the problem of drought.

Estimating groundwater recharge and its associated uncertainty: Use of regression kriging and the chloride mass balance method

2018 ◽  
Vol 561 ◽  
pp. 1063-1080 ◽  
Author(s):  
Russell S. Crosbie ◽  
Luk J.M. Peeters ◽  
Natasha Herron ◽  
Tim R. McVicar ◽  
Alexander Herr
Keyword(s):  
Mass Balance ◽  
Groundwater Recharge ◽  
Balance Method ◽  
Regression Kriging ◽  
Chloride Mass Balance ◽  
Mass Balance Method

scholarly journals Investigation of Groundwater Potential Using Remote Sensing and Geographical Information System (GIS) Techniques in Fakai Local Government of Kebbi State, Nigeria

2021 ◽  
Vol 04 (05) ◽  
Author(s):  
Mukhtar M. ◽  
Keyword(s):  
Remote Sensing ◽  
Information System ◽  
Local Government ◽  
Linear Combination ◽  
Groundwater Recharge ◽  
Geographical Information System ◽  
Geographical Information ◽  
Weighted Linear Combination ◽  
Suitability Index ◽  
Combination Approach

Groundwater is one of the most precious natural resource which supports human health, economic development and ecological diversity. Remote sensing and Geographical Information System (GIS) Techniques have been effectively used for the investigation of the potentiality of groundwater resource in Fakai local government area. The dataset for this research work are Landsat 8 Operational land imager (OLI), ASTER DEM, Topographical map and Geological map from which the essential criteria were obtained. The study used Weighted Linear Combination approach which involves mathematical weighing and ranking of the criteria. Multi-criteria evaluation was carried out on all the criteria using the Weighted Linear Combination approach in ArcGIS 10.4. Spatial analysis was carried out on the derived result using the Suitability Index (SI) value created from pairwise comparison analysis. The suitability map for groundwater recharge in the study area was hence produced using the suitability index. The result shows four classes for the study area. The classes include highly suitable, moderately suitable, less suitable and least suitable. Thus, the area most suitable for groundwater are found most towards the northern part, around the center and some regions in the northern part of the study area this serves as an indicator that most of the study area has good potential for groundwater recharge.

scholarly journals Estimating groundwater recharge using the chloride mass-balance method in the West Bank, Palestine

2010 ◽  
Vol 55 (5) ◽  
pp. 780-791 ◽  
Author(s):  
A. Marei ◽  
S. Khayat ◽  
S. Weise ◽  
S. Ghannam ◽  
M. Sbaih ◽  
...  
Keyword(s):  
Mass Balance ◽  
Groundwater Recharge ◽  
West Bank ◽  
Balance Method ◽  
Chloride Mass Balance ◽  
The West ◽  
Mass Balance Method

scholarly journals Spatial and temporal variability of groundwater recharge in a sandstone aquifer in a semi-arid region

2018 ◽  
Author(s):  
Ferdinando Manna ◽  
Steven Murray ◽  
Daron Abbey ◽  
Paul Martin ◽  
John Cherry ◽  
...  
Keyword(s):  
Mass Balance ◽  
Groundwater Recharge ◽  
Temporal Variability ◽  
Arid Regions ◽  
Balance Method ◽  
Spatial And Temporal Variability ◽  
Chloride Mass Balance ◽  
Mike She ◽  
Mass Balance Method ◽  
Semi Arid

Abstract. With the aim to understand the spatial and temporal variability of groundwater recharge, a high-resolution, spatially-distributed numerical model (MIKE SHE) representing surface water and groundwater was used to simulate responses to precipitation in a 2.16 km2 upland catchment on fractured sandstone near Los Angeles, California. Exceptionally high temporal and spatial resolution was used for this catchment modeling: an hourly time-step, a 20 × 20 meter grid in the horizontal plane and 240 numerical layers distributed vertically within the thick vadose zone and in the upper part of the groundwater zone. The finest-practical spatial and temporal resolution were selected to accommodate the large degree of surface and subsurface variability of catchment features. Physical property values for the different lithologies were assigned based on previous on-site investigations whereas the parameters controlling streamflow and evapotranspiration were derived from literature information. The calibration of streamflow at the outfall and of transient and average hydraulic head provided confidence in the reasonableness of these input values and in the ability of the model to reproduce observed processes. Confidence in the calibrated model was enhanced by validation through, (i) comparison of simulated average recharge to estimates based on the applications of the chloride mass-balance method from data from the groundwater and vadose zones within and beyond the catchment (Manna et al., 2016; Manna et al., 2017) and, (ii) comparison of the water isotope signature (18O and 2H) in shallow groundwater to the variability of isotope signatures for precipitation events over an annual cycle. The average simulated recharge across the catchment for the period 1995–2014 is 16 mm y−1 (4 % of the average annual precipitation), which is consistent with previous estimates obtained by using the chloride mass balance method (4.2 % of the average precipitation). However, one of the most unexpected results was that local recharge was simulated to vary from 0 to > 1000 mm y−1 due to episodic precipitation and overland runoff effects. This recharge occurs episodically with the major flux events at the bottom of the evapotranspiration zone, as simulated by MIKE SHE and confirmed by the isotope signatures, occurring only at the end of the rainy season. This is the first study that combines MIKE SHE simulations with the analysis of water isotopes in groundwater and rainfall to determine the timing of recharge processes in semi-arid regions. The study advances the understanding of recharge and unsaturated flow processes in semi-arid regions and enhances our ability to predict the effects of surface and subsurface features on recharge rates. This is crucial in highly heterogeneous contaminated sites because different contaminant source areas have widely varying recharge and, hence, groundwater fluxes impacting their mobility.

scholarly journals Spatial and temporal variability of groundwater recharge in a sandstone aquifer in a semiarid region

2019 ◽  
Vol 23 (4) ◽  
pp. 2187-2205 ◽  
Author(s):  
Ferdinando Manna ◽  
Steven Murray ◽  
Daron Abbey ◽  
Paul Martin ◽  
John Cherry ◽  
...  
Keyword(s):  
Mass Balance ◽  
Groundwater Recharge ◽  
Temporal Variability ◽  
Water Levels ◽  
Balance Method ◽  
Semiarid Region ◽  
Spatial And Temporal Variability ◽  
Chloride Mass Balance ◽  
Mike She ◽  
Mass Balance Method

Abstract. With the aim to understand the spatial and temporal variability of groundwater recharge, a high-resolution, spatially distributed numerical model (MIKE SHE) representing surface water and groundwater was used to simulate responses to precipitation in a 2.16 km2 upland catchment on fractured sandstone near Los Angeles, California. Exceptionally high temporal and spatial resolution was used for this catchment modeling: hourly climate data, a 20 m×20 m grid in the horizontal plane, and 240 numerical layers distributed vertically within the thick vadose zone and in the upper part of the groundwater zone. The finest practical spatial and temporal resolutions were selected to accommodate the large degree of surface and subsurface variability of catchment features. Physical property values for the different lithologies were assigned based on previous on-site investigations, whereas the parameters controlling streamflow and evapotranspiration were derived from calibration to continuous streamflow at the outfall and to average hydraulic heads from 17 wells. Confidence in the calibrated model was enhanced by validation through (i) comparison of simulated average recharge to estimates based on the applications of the chloride mass-balance method to data from the groundwater and vadose zones within and beyond the catchment, (ii) comparison of the water isotope signature (18O and 2H) in shallow groundwater to the variability of isotope signatures for precipitation events over an annual cycle, and (iii) comparison of simulated recharge time series and observed fluctuation of water levels. The average simulated recharge across the catchment for the period 1995–2014 is 16 mm yr−1 (4 % of the average annual precipitation), which is consistent with previous estimates obtained by using the chloride mass balance method (4.2 % of the average precipitation). However, one of the most unexpected results was that local recharge was simulated to vary from 0 to >1000 mm yr−1 due to episodic precipitation and overland runoff effects. This recharge occurs episodically with the major flux events at the bottom of the evapotranspiration zone, as simulated by MIKE SHE and confirmed by the isotope signatures, occurring only at the end of the rainy season. This is the first study that combines MIKE SHE simulations with the analysis of water isotopes in groundwater and rainfall to determine the timing of recharge in a sedimentary bedrock aquifer in a semiarid region. The study advances the understanding of recharge and unsaturated flow processes and enhances our ability to predict the effects of surface and subsurface features on recharge rates. This is crucial in highly heterogeneous contaminated sites because different contaminant source areas have widely varying recharge and, hence, groundwater fluxes impacting their mobility.

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