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The PISCO-ARNOVIC Daily Streamflow Product for Peru (v1.1)

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Owners:		This resource does not have an owner who is an active HydroShare user. Contact CUAHSI (help@cuahsi.org) for information on this resource.
Type:	Resource
Storage:	The size of this resource is 862.8 MB
Created:	Feb 06, 2023 at 3:46 p.m. (UTC)
Last updated:	Apr 10, 2026 at 11:48 p.m. (UTC)
Citation:	See how to cite this resource
Content types:	Multidimensional Content

Sharing Status:	Public
Views:	10690
Downloads:	1799
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Abstract

This product provides a national-scale dataset of simulated daily streamflow across Peru, developed using the PISCO gridded precipitation and evapotranspiration dataset at 0.1° × 0.1° spatial resolution, coupled with the ARNO/VIC rainfall–runoff model and the RAPID river routing scheme. The dataset covers the entire Peruvian territory, including transboundary river basins shared with neighboring countries.

The modeling framework generates mean daily discharge for 11,913 river reaches, enabling a fine-scale representation of hydrological conditions at the national level. Model calibration and validation were performed using observed daily streamflow records from 43 gauging stations over the period 1981–2020, ensuring consistency with observed hydrological dynamics.

This dataset is designed to support hydrological analysis, monitoring, and decision-making, and will be regularly updated to incorporate new simulations and improvements.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

North Latitude

1.1858°

East Longitude

-67.3807°

South Latitude

-19.5189°

West Longitude

-82.8494°

Temporal

Start Date:
End Date:

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/f723d6c762ca45b6936dd9489bc44842/data/contents/catalog.html

THREDDS Documentation OPeNDAP Documentation

Related Resources

This resource is described by

Llauca, H., Leon, K, Lavado, W. Construction of a daily streamflow dataset for Peru using a similarity-based regionalization approach and a hybrid modeling framework. Journal of Hydrology: Regional Studies. 2023; 47, 101381. https://doi.org/10.1016/j.ejrh.2023.101381.

How to Cite

Llauca, H. (2026). The PISCO-ARNOVIC Daily Streamflow Product for Peru (v1.1), HydroShare, http://www.hydroshare.org/resource/f723d6c762ca45b6936dd9489bc44842

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

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

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