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| Type: | Resource | |
| Storage: | The size of this resource is 22.1 MB | |
| Created: | Aug 27, 2026 at 10:02 p.m. (UTC) | |
| Last updated: | Aug 27, 2026 at 10:58 p.m. (UTC) | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 44 |
| Downloads: | 3 |
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Abstract
This study evaluates the feasibility of developing a new reservoir on Temple Fork of the Logan River using Geographic Information System based hydrologic analysis and computational tools, terrain, and land-cover analysis. A 10 m Digital Elevation Model (DEM) was used to delineate the watershed and simulate reservoir inundation under multiple pool elevation scenarios, including 1865 m, 1885 m, 1920 m, and 1980 m. The analysis involved extracting terrain below selected water surface elevations, converting inundation extents into polygons, and quantifying affected areas within the watershed. Among the tested scenarios, a pool elevation of 1920 m was identified as optimal, producing a continuous and hydraulically connected reservoir while limiting the inundated area to approximately 1.05 km², or about 4.5% of the total watershed. To assess environmental impacts, the selected reservoir extent was overlaid with National Land Cover Database (NLCD) data. Results indicate that the inundation area is dominated by shrub/scrub land cover, accounting for approximately 0.79 km² (~76%), followed by forested areas totaling approximately 0.22 km² (~21%), while developed land comprises only about 0.03 km² (~3%). These findings suggest that the proposed reservoir would primarily impact natural landscapes with minimal direct effects on human infrastructure. Overall, this study demonstrates the effectiveness of GIS-based methods for integrating terrain analysis, hydrologic assessment, and land-cover evaluation to support preliminary reservoir planning and decision-making.
Subject Keywords
Coverage
Spatial
Temporal
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Content
Additional Metadata
| Name | Value |
|---|---|
| Study Area | Temple Fork, Logan River watershed, Cache County, Utah, USA |
| Primary Data | 10 m Digital Elevation Model (DEM) |
| Project Type | GIS-Based Hydrologic and Environmental Assessment / Water Infrastructure Planning |
| Primary Feature | Proposed reservoir on Temple Fork of the Logan River |
| Research Themes | Geospatial Data; Hydrologic Analysis; Water Infrastructure Planning; Environmental Impact Assessment; Water Resources Decision Support |
| Supporting Data | National Land Cover Database (NLCD) land-cover data |
| Selected Scenario | 1920 m pool elevation |
| Geospatial Methods | Watershed delineation, terrain/elevation analysis, inundation mapping, polygon conversion, spatial overlay, and area calculation |
| Hydrologic Analysis | Reservoir inundation assessment under multiple pool-elevation scenarios |
| Primary Application | Preliminary reservoir planning, environmental impact assessment, and water-resources decision support |
| Land-Cover Assessment | Shrub/scrub (~76%), forest (~21%), and developed land (~3%) |
| Data/Software Approach | GIS-based geospatial analysis and computational tools |
| Estimated Inundated Area | Approximately 1.05 km² (~4.5% of the watershed) |
| Pool Elevation Scenarios | 1865 m, 1885 m, 1920 m, and 1980 m |
Related Resources
| The content of this resource is derived from | USGS 3D Elevation Program (3DEP) — 10 m Digital Elevation Model (DEM) |
| The content of this resource is derived from | National Land Cover Database (NLCD) |
| The content of this resource is similar to | Logan River Watershed / Temple Fork watershed planning |
| The content of this resource is similar to | Any previous Temple Fork reservoir feasibility/planning study |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| Utah State University | None | None |
| USU College of Engineering | None | None |
| Utah Water Research Laboratory | None | None |
| USU Civil & Environmental Engineering Department | None | None |
Contributors
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 |
|---|---|---|---|---|
| Pin Shuai | Utah State University | Utah, US | 4357971531 | GoogleScholarID |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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