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| Type: | Resource | |
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| Created: | Feb 08, 2023 at 4:42 p.m. | |
| Last updated: | Feb 08, 2023 at 4:43 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 433 |
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Abstract
The effects of human activities and sea-level changes on the spatial and temporal behaviour of the coupled mechanism of salt-water and freshwater flow through the Godavari Delta of India were analysed. The density driven salt-water intrusion process was simulated with the use of a SUTRA (Saturated-Unsaturated TRAnsport) model. Physical parameters, initial heads, and boundary conditions of the delta were defined on the basis of available field data, and an areal, steady-state groundwater model was constructed to calibrate the observed head values corresponding to the initial development phase of the aquifer. Initial and boundary conditions determined from the areal calibration were used to evaluate steady-state, hydraulic heads. Consequently, the initial position of the hydraulic head distribution was calibrated under steady-state conditions. The changes of initial hydraulic distribution, under discharge and recharge conditions, were calculated, and the present-day position of the interface was predicted. The present-day distribution of hydraulic head was estimated via a 20-year simulation. The results indicate that a considerable advance in seawater intrusion can be expected in the coastal aquifer if current rates of groundwater exploitation continue and an important part of the freshwater from the river is channelled from the reservoir for irrigation, industrial and domestic purposes.
Subject Keywords
Coverage
Spatial
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.1080/02626660209493023 |
| Depth | |
| Scale | 1 001 - 10 000 km² |
| Layers | 1 |
| Purpose | Groundwater resources;Salt water intrusion |
| GroMoPo_ID | 363 |
| IsVerified | True |
| Model Code | SUTRA |
| Model Link | https://doi.org/10.1080/02626660209493023 |
| Model Time | SS |
| Model Year | 2002 |
| Model Authors | Bobba, AG |
| Model Country | India |
| Data Available | Report/paper only |
| Developer Email | NA |
| Dominant Geology | Unconsolidated sediments |
| Developer Country | Canada |
| Publication Title | Numerical modelling of salt-water intrusion due to human activities and sea-level change in the Godavari Delta, India |
| Original Developer | No |
| Additional Information | |
| Integration or Coupling | |
| Evaluation or Calibration | Static water levels |
| Geologic Data Availability | No |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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