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GroMoPo Metadata for Chambo aquifer model


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Created: Feb 07, 2023 at 7:47 p.m.
Last updated: Feb 07, 2023 at 7:47 p.m.
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Abstract

The Chambo river basin, in central Ecuador, belongs to the watershed of the upper Pastaza, a major north-western tributary of the Amazon. It is a densely inhabited region, where the drinkable water infrastructures of the cities existing within the basin exclusively rely on the groundwater extracted from the Chambo aquifer. The results thrown by a study based on the use of the C-14 isotopes as groundwater tracers, accompanied by an overall scarcity of scientific knowledge about this hydrological system, have lead the local communities and decision makers to think that the Chambo aquifer is fossil. In this study we demonstrate that the Chambo aquifer is actually recharged over time, providing an estimate of the recharge, and showing that it is caused by the ongoing melting of the glaciers existing on top of the Chimborazo volcano. Such a scenario is compatible with the C-14 analysis, which showed that the aquifer groundwater is about 8000 years old, and suggests that a lateral water inflow actually feeds the Chambo aquifer, highlighting the present influence of the global climate change on the future water availability in central Ecuador.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Ecuador
North Latitude
-1.2655°
East Longitude
-78.4987°
South Latitude
-2.0998°
West Longitude
-79.2560°

Content

Additional Metadata

Name Value
DOI 10.1063/1.5060683
Depth 50
Scale < 10 km²
Layers 1 layer
Purpose Groundwater resources
GroMoPo_ID 111
IsVerified True
Model Code MODFLOW
Model Link https://doi.org/10.1063/1.5060683
Model Time SS
Model Year 2018
Model Authors Francesco Chidichimo, Benito T. Mendoza, Michele De Biase, Paolo Catelan, Salvatore Straface, and Salvatore Di Gregorio
Model Country Ecuador
Data Available Report/paper only
Developer Email salvatore.digregorio@unical.it
Dominant Geology Volcanic
Developer Country Italy
Publication Title Hydrogeological Modeling of the Groundwater Recharge Feeding the Chambo Aquifer, Ecuador
Original Developer No
Additional Information
Integration or Coupling Surface water
Evaluation or Calibration Static water levels
Geologic Data Availability

How to Cite

GroMoPo, A. Quichimbo (2023). GroMoPo Metadata for Chambo aquifer model, HydroShare, http://www.hydroshare.org/resource/371c077c10d44be8a8f43af9bce1bcfc

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

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

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