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GroMoPo Metadata for Peninsula Valdes (Patagonia) groundwater model


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Created: Feb 07, 2023 at 7:25 p.m.
Last updated: Feb 07, 2023 at 7:25 p.m.
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Abstract

The Peninsula Vald,s, in northeastern Patagonia, Argentina, is characterised by its arid climate and the lack of perennial watercourses; thus, all economic activities depend on the groundwater resources. Water demand is mainly associated with tourism, which is centralised in Puerto Piramides and supplied by a water desalination plant, and to sheep farming, supplied by the local aquifer. Due to the exponential growth of tourism, the government is planning to exploit groundwater and convey it by aqueduct to the abovementioned locality. The objectives of this study were to corroborate the conceptual geohydrological model, to develop a mathematical model to simulate the response of the aquifer to different scenarios, and to assess the incidence of water input into the system as a variable-a function that poses difficulties in the models for arid regions. The Visual Modflow 4.1 code was used, calibrating it in trial-and-error mode, changing the recharge and hydraulic conductivity parameters with different variants in the recharge zone and in the inclusion or exclusion of the evapotranspiration module. Results indicate the importance of the recharge analysis by treating rainfall at daily time steps. The adjusted model was exposed to four scenarios with variations in water input and in output by pumping. It can be concluded that under different input conditions, but with a controlled extraction, the system responds in a sustainable manner.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Argentina
North Latitude
-42.5619°
East Longitude
-63.5816°
South Latitude
-42.8791°
West Longitude
-64.2936°

Content

Additional Metadata

Name Value
DOI 10.1007/s12665-011-1435-8
Depth 135
Scale 1 001 - 10 000 km²
Layers 2-5 layers
Purpose Groundwater resources
GroMoPo_ID 104
IsVerified True
Model Code MODFLOW
Model Link https://doi.org/10.1007/s12665-011-1435-8
Model Time November 2005–March 2008
Model Year 2012
Model Authors Alvarez, M.d.P., Trovatto, M.M., Hernández, M.A, González, N.
Model Country Argentina
Data Available Report/paper only
Developer Email alvarez.maria@conicet.gov.ar
Dominant Geology Model focuses on multiple geologic materials
Developer Country Argentina
Publication Title Groundwater flow model, recharge estimation and sustainability in an arid region of Patagonia, Argentina
Original Developer No
Additional Information The Península Valdés, in northeastern Patagonia, Argentina, is characterised by its arid climate and the lack of perennial watercourses; thus, all economic activities depend on the groundwater resources. Water demand is mainly associated with tourism, which is centralised in Puerto Pirámides and supplied by a water desalination plant, and to sheep farming, supplied by the local aquifer. Due to the exponential growth of tourism, the government is planning to exploit groundwater and convey it by aqueduct to the abovementioned locality. The objectives of this study were to corroborate the conceptual geohydrological model, to develop a mathematical model to simulate the response of the aquifer to different scenarios, and to assess the incidence of water input into the system as a variable—a function that poses difficulties in the models for arid regions. The Visual Modflow 4.1 code was used, calibrating it in trial-and-error mode, changing the recharge and hydraulic conductivity parameters with different variants in the recharge zone and in the inclusion or exclusion of the evapotranspiration module. Results indicate the importance of the recharge analysis by treating rainfall at daily time steps. The adjusted model was exposed to four scenarios with variations in water input and in output by pumping. It can be concluded that under different input conditions, but with a controlled extraction, the system responds in a sustainable manner.
Integration or Coupling
Evaluation or Calibration Static water levels;Dynamic water levels
Geologic Data Availability

How to Cite

GroMoPo, S. Ruzzante (2023). GroMoPo Metadata for Peninsula Valdes (Patagonia) groundwater model, HydroShare, http://www.hydroshare.org/resource/ba963871cff241329f5b7d12b8709170

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

http://creativecommons.org/licenses/by/4.0/
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