Watershed Model in Powersim

Resource type: Model Program Resource
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Created: Oct 24, 2017 at 9:56 p.m.
Last updated: Mar 15, 2018 at 3:22 a.m.
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This model simulates runoff for an upland subwatershed in northern New Mexico using a system dynamics platform. This model was developed and applied as part of a research study to explore community responses to simulated streamflow under different climate change conditions in the Rio Hondo; this research was published in Water Resources Research: http://onlinelibrary.wiley.com/doi/10.1002/2017WR021223/full.

The structure for the upland hydrology model was strongly guided by input parsimony while capturing the primary processes of precipitation partitioning, evapotranspiration, baseflow, and saturation excess runoff that influence streamflow at the outlet. The water available in the stream is simulated using a lumped approach that characterizes the upland subwatershed into individual hydrologic response units (HRUs); the HRU method provides sufficient discretization of watershed properties while maximizing computational efficiency. Monthly precipitation and temperature data derived from the Bureau of Reclamation’s datasets, which have a resolution of 1/8th degree, for the upland subwatershed of the Rio Hondo were used as inputs into the model. Note: In addition to simulating streamflow under climate change conditions (i.e., increased temperatures and variable precipitation), the model also has an exploratory module for simulating impacts of wildfires on streamflows.

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Resource Level Coverage


Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Upland Subwatershed of Rio Hondo
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:



Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation CNH 1010516
National Science Foundation WSC 1204685
National Science Foundation DGE 0909667


People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Vincent Tidwell

How to Cite

Gunda, T. (2018). Watershed Model in Powersim, HydroShare, http://www.hydroshare.org/resource/c7fb9823f1df4f0ab61911bff2f9d3f5

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



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