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GroMoPo Metadata for Palar sub-basin MODFLOW model


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Created: Feb 08, 2023 at 4:29 a.m.
Last updated: Feb 08, 2023 at 4:30 a.m.
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Abstract

The assessment of groundwater potential zones is crucial for estimating and managing available groundwater resources. In the proposed study, quantification of groundwater availability is performed using the information collected from the hydrogeological and geophysical (electrical resistivity) investigation of the aquifer. We delineate groundwater potential zones using a weighted overlay analysis based on the conventional method with 110 electrical resistivity surveys and 40 lithological data. MODFLOW is used to calibrate and validate the flow pattern and groundwater characteristics. The study area comprises a complex geological formation. The groundwater potential map is prepared using the observed groundwater level instead of rainfall data as the study area lacks rainfall stations. The final potential map is validated with the specific capacity obtained from the pumping test. This map is divided into 13 zones and each zone is considered as boundaries for the MODFLOW simulation. The thickness of each zone is assessed using the electrical resistivity method. The calibration and validation of the groundwater model are performed for one year and 1.5 years, respectively, between November 2012 and March 2015. We consider two layers, namely topsoil and unconfined/semi-confined aquifers in the groundwater model. During the calibration and validation periods, the groundwater volume is found to be 7.12 and 7.51 Mm(3), respectively. The groundwater mass balance assessment performed in this study will be helpful in the planning and management of groundwater resources in the area.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
India
North Latitude
13.4993°
East Longitude
80.3903°
South Latitude
12.0717°
West Longitude
79.3576°

Content

Additional Metadata

Name Value
DOI 10.1007/s12040-021-01691-2
Depth 110
Scale 1 001 - 10 000 km²
Layers 2
Purpose Groundwater resources
GroMoPo_ID 202
IsVerified True
Model Code MODFLOW
Model Link https://doi.org/10.1007/s12040-021-01691-2
Model Time SS
Model Year 2021
Model Authors Mookiah, M; Jha, SK; Biswas, A
Model Country India
Data Available Report/paper only
Developer Email mathiazhagan1987@gmail.com
Dominant Geology Model focuses on multiple geologic materials
Developer Country India
Publication Title Assessment of groundwater mass balance and zone budget in the semi-arid region: A case study of Palar sub-basin, Tamil Nadu, India
Original Developer No
Additional Information The assessment of groundwater potential zones is crucial for estimating and managing available groundwater resources. In the proposed study, quantiBcation of groundwater availability is performed using the information collected from the hydrogeological and geophysical (electrical resistivity) investigation of the aquifer. The groundwater potential map is prepared using the observed groundwater level instead of rainfall data as the study area lacks rainfall stations. The Bnal potential map is validated with the speciBc capacity obtained from the pumping test. This map is divided into 13 zones and each zone is considered as boundaries for the MODFLOW simulation. The thickness of each zone is assessed using the electrical resistivity method.
Integration or Coupling Water use
Evaluation or Calibration Static water levels
Geologic Data Availability Yes

How to Cite

GroMoPo, E. Leijnse (2023). GroMoPo Metadata for Palar sub-basin MODFLOW model, HydroShare, http://www.hydroshare.org/resource/a89bc8768eb842ab927fed981f9f9cd6

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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