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| Created: | May 06, 2026 at 6:45 p.m. (UTC) | |
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Abstract
This study evaluates whether sustained high-flow hydrologic conditions could restore Lake Powell to the equalization tier elevation of 3,636 ft using the Colorado River Simulation System (CRSS). Two main hydrology's were used for this analysis. The first being 15 million acre-feet (MAF) consistently for the 40 year test period. The second was a record high flow of 21 MAF for one year and then 11.5 MAF for the next 39 years of the test period. These high values represent historical high flows. System performance was assessed using reservoir elevation, storage recovery rate, and comparison to baseline hydrologic scenarios. Results show that under consistently high flows, the basin would recover, and the reservoirs would fill. One great water year would have some impact but not enough to sustain long-term recovery. To achieve long term recovery, basin management strategies must be adjusted.
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ReadMe.txt
This repository contains all the files needed to replicate the work done for this semester project. Repository Contents 1. 15MAF_Code.R - This file contains the code needed to generate the 29 inflow files used to produce a hydrology with a constant 15 MAF per year. 2. Wet_then_Dry.R - This file contains the code needed to generate the 29 inflow files used to produce a hydrology with 21 MAF for 1 year followed by 11.5 MAF each year. 3. Lake Powell Presentation.pptx - This file is the powerpoint that was presented to the class 4. CRSS.Aug2023v2.zip - This is a zip file that contains the model files needed to run the CRSS Model 5. Results.zip - This is a zip file that contains the results from each of our runs and the graphs used in the presentation and final report. 6. Final Report.pdf - This is the write up of our methods and findings for this project. Directions to reproduce our results 1. Download all of the files 2. Run the R code files within R studio (The folders for the outputs of the code already exist within the model folders) 3. Create a new DMI within Riverware for each of the input hydrologies. (the easiest way to do this is to copy an existing DMI and then make changes to it) 4. Make your "top directory" the file with the 29 inflow files. The control files already exists within the model folder. Change the "control file" in Riverware to make the hydrology you are using in the top directory 5. Once the DMI has been created, you can click the green play button to invoke the DMI and then run your model. 6. Create an output DMI to output the results to excel.
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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