CREST-VEC simulation for Arequipa, Peru rivers for 2015-2019 and 2075-2079

Authors:
Mengye ChenUniversity of Oklahoma
Owners: Mengye Chen
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Created: Feb 26, 2025 at 3:54 p.m.
Last updated: Feb 26, 2025 at 4:26 p.m.
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Content types: Multidimensional Content  Multidimensional Content  Multidimensional Content 
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Abstract

Leveraging the effort of an existing hyperresolution Regional Climate Model (RCM) output and a state-of-art hydrological model (Coupled Routing of Excessive STorage, CREST), this study examines the hydrological condition changes in 2075-2079 compared to its semi-current state in 2015-2019 in Arequipa region under the Shared Socioeconomic Pathways 5-8.5 (SSP5-8.5) scenarios. The CREST-VEC model is used to simulate the rivers within the Arequipa region in Peru. The region would face a 19.8% runoff reduction, 83% - 86% averaged streamflow reduction, and 37.8 days of wet season duration reduction. The Rio Chili would experience complete “no water” events in 2078 and 2079, and all the 1st order stream reaches would be dry more than 50% of the time between 2075 and 2079 compared to less than 40% of the time in 2015-2019. However, the flood risk would not decrease in the future, with the City of Arequipa expected to face at least one flood event that is more severe than its 2017 and 2019 floods, and Rio Colca would have many more flood events in the future.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
-14.9292°
East Longitude
-70.8083°
South Latitude
-16.8542°
West Longitude
-72.7917°

Temporal

Start Date: 01/01/2015
End Date: 12/31/2079
Leaflet Map data © OpenStreetMap contributors

Content

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Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

THREDDS Data Service

https://thredds.hydroshare.org/thredds/catalog/hydroshare/resources/647b268538424d82b25bf8c5daa8cb65/data/contents/catalog.html

THREDDS Documentation    OPeNDAP Documentation

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Universidad Nacional de San Agustin of Peru Regional Climate Change project 20163646499

How to Cite

Chen, M., University of Oklahoma (2025). CREST-VEC simulation for Arequipa, Peru rivers for 2015-2019 and 2075-2079, HydroShare, http://www.hydroshare.org/resource/647b268538424d82b25bf8c5daa8cb65

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

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

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