Checking for non-preferred file/folder path names (may take a long time depending on the number of files/folders) ...

GroMoPo Metadata for Mahanadi Delta MODFLOW model


Authors:
Owners: This resource does not have an owner who is an active HydroShare user. Contact CUAHSI (help@cuahsi.org) for information on this resource.
Type: Resource
Storage: The size of this resource is 2.3 KB
Created: Feb 08, 2023 at 3:33 a.m.
Last updated: Feb 08, 2023 at 3:33 a.m.
Citation: See how to cite this resource
Sharing Status: Public
Views: 301
Downloads: 207
+1 Votes: Be the first one to 
 this.
Comments: No comments (yet)

Abstract

Despite being a biodiversity hotspot, the Mahanadi delta is facing groundwater salinization as one of the main environmental threats in the recent past. Hence, this study attempts to understand the dynamics of groundwater and its sustainable management options through numerical simulation in the Jagatsinghpur deltaic region. The result shows that groundwater in the study area is extensively abstracted for agricultural activities, which also causes the depletion of groundwater levels. The hydraulic head value varies from 0.7 to 15 m above mean sea level (MSL) with an average head of 6 m in this low-lying coastal region. The horizontal hydraulic conductivity and the specific yield values in the area are found to vary from 40 to 45 m/day and 0.05 to 0.07, respectively. The study area has been calibrated for two years (2004-2005) by using these parameters, followed by the validation of four years (2006-2009). The calibrated numerical model is used to evaluate the net recharge and groundwater balance in this study area. The interaction between the river and coastal unconfined aquifer system responds differently in different seasons. The net groundwater recharge to the coastal aquifer has been estimated and varies from 247.89 to 262.63 million cubic meters (MCM) in the year 2006-2007. The model further indicates a net outflow of 8.92-9.64 MCM of groundwater into the Bay of Bengal. Further, the outflow to the sea is preventing the seawater ingress into the shallow coastal aquifer system.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
India
North Latitude
22.0339°
East Longitude
86.9170°
South Latitude
18.8743°
West Longitude
82.8544°

Content

Additional Metadata

Name Value
DOI 10.3390/w14040611
Depth 50
Scale 10 001 - 100 000 km²
Layers 1
Purpose Salt water intrusion
GroMoPo_ID 170
IsVerified True
Model Code MODFLOW
Model Link https://doi.org/10.3390/w14040611
Model Time SS (2006–2009)
Model Year 2022
Model Authors Behera, AK; Pradhan, RM; Kumar, S; Chakrapani, GJ; Kumar, P
Model Country India
Data Available Report/paper only
Developer Email ajitgeol.89@gmail.com; rmp.geol@gmail.com; sudhir.nih@gmail.com; govind.chakrapani@es.iitr.ac.in; kumar@iges.or.jp
Dominant Geology Unconsolidated sediments
Developer Country India
Publication Title Assessment of Groundwater Flow Dynamics Using MODFLOW in Shallow Aquifer System of Mahanadi Delta (East Coast), India
Original Developer No
Additional Information This study attempts to understand the dynamics of groundwater and its sustainable management options through numerical simulation in the Jagatsinghpur deltaic region. Despite being a biodiversity hotspot, the Mahanadi delta is facing groundwater salinization as one of the main environmental threats in the recent past. The groundwater model starts with the development of a groundwater flow model for a particular study area, which represents its physical condition. Similarly, for this study, a model consisting of a single layer has been conceptualized based on geology, lithologs, river boundary conditions, and groundwater level data sets.
Integration or Coupling Water use;Land surface model’
Evaluation or Calibration Static water levels;Dynamic water levels
Geologic Data Availability Yes

How to Cite

GroMoPo, E. Leijnse (2023). GroMoPo Metadata for Mahanadi Delta MODFLOW model, HydroShare, http://www.hydroshare.org/resource/25b9fa9aa465404cabf31434c7daa2dd

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

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

Comments

There are currently no comments

New Comment

required