GroMoPo Metadata for Peninsula Valdes (Patagonia) groundwater model

Authors:

GroMoPo Sacha Ruzzante

Owners:

gromopo_admin

Type:

Resource

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The size of this resource is 3.1 KB

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°

Streets Terrain Satelite

Spatial Extent

Content

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Additional Metadata

Name	Value
DOI	10.1007/s12665-011-1435-8
Depth	135
Scale	1 001 - 10 000 kmÂ²
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 2005â€“March 2008
Model Year	2012
Model Authors	Alvarez, M.d.P., Trovatto, M.M., HernÃ¡ndez, M.A, GonzÃ¡lez, 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 PenÃnsula ValdÃ©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 PirÃ¡mides 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 variableâ€”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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