GroMoPo Metadata for Azul River basin regional MODFLOW model

Authors:

GroMoPo Sacha Ruzzante

Owners:

gromopo_admin

Type:

Resource

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The size of this resource is 1.5 KB

Created:

Feb 07, 2023 at 7:28 p.m.

Last updated:

Feb 07, 2023 at 7:28 p.m.

Citation:

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Abstract

A three-dimensional modular model (MODFLOW) was used to simulate groundwater flow in the Azul River basin. Buenos Aires Province. Argentina: in order to assess the correctness of the conceptual model of the hydrogeological system. Simulated heads satisfactorily match observed heads in the regional water-table aquifer. Model results indicate that: (1) groundwater recharge is not uniform throughout the region but is best represented by three recharge rates, decreasing downgradient, similar to the distribution of soils and geomorphological characteristics; and (2) evapotranspiration rates are larger than previous estimates, which were made by using the Thornthwaite-Mather method. Evapotranspiration rates estimated by MODFLOW agree with results of independent studies of the region. Model results closely match historical surface-flow records, thereby suggesting that the model description of the aquifer-river relationship is correct.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Argentina

North Latitude

-36.8729°

East Longitude

-59.7208°

South Latitude

-37.3007°

West Longitude

-60.1105°

Streets Terrain Satelite

Spatial Extent

Content

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Additional Metadata

Name	Value
DOI	10.1007/s100400050190
Depth	580
Scale	1 001 - 10 000 kmÂ²
Layers	6-10 layers
Purpose	Groundwater resources
GroMoPo_ID	106
IsVerified	True
Model Code	MODFLOW
Model Link	https://doi.org/10.1007/s100400050190
Model Time	SS
Model Year	1999
Model Authors	Varni, M., Usunoff, E.
Model Country	Argentina
Data Available	Report/paper only
Developer Email	varni@faa.unicen.edu.ar
Dominant Geology	Unconsolidated sediments
Developer Country	Argentina
Publication Title	Simulation of regional-scale groundwater flow in the Azul River basin, Buenos Aires Province, Argentina
Original Developer	No
Additional Information	A three-dimensional modular model (MODFLOW) was used to simulate groundwater flow in the Azul River basin, Buenos Aires Province, Argentina, in order to assess the correctness of the conceptual model of the hydrogeological system. Simulated heads satisfactorily match observed heads in the regional water-table aquifer. Model results indicate that: (1) groundwater recharge is not uniform throughout the region but is best represented by three recharge rates, decreasing downgradient, similar to the distribution of soils and geomorphological characteristics; and (2) evapotranspiration rates are larger than previous estimates, which were made by using the Thornthwaiteâ€“Mather method. Evapotranspiration rates estimated by MODFLOW agree with results of independent studies of the region. Model results closely match historical surface-flow records, thereby suggesting that the model description of the aquiferâ€“river relationship is correct.
Integration or Coupling
Evaluation or Calibration	Static water levels
Geologic Data Availability

How to Cite

GroMoPo, S. Ruzzante (2023). GroMoPo Metadata for Azul River basin regional MODFLOW model, HydroShare, http://www.hydroshare.org/resource/634b2069d3f342e9a649de9ef0d994d0

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

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

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