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16:11, 8 July 2026 JeffreyJLukas talk contribs created page Homepage sandbox (Created page with "none|900px|' Welcome to the '''Colorado River Science Wiki''', a web-based clearinghouse for scientific and technical information relevant to the Colorado River Basin and the management of its water resources and related natural resources. This wiki is intended to be useful to resource managers and other decision-makers, researchers, students, the media, and the broader public. ==Resources== <div style="column-count:5;-moz-column-count:5;-webk...")
10:38, 8 July 2026 JeffreyJLukas talk contribs created page MediaWiki:Vector-toc-beginning (Created page with "Top")
16:30, 7 July 2026 JeffreyJLukas talk contribs created page File:WikiBanner3.png
16:30, 7 July 2026 JeffreyJLukas talk contribs uploaded File:WikiBanner3.png
14:31, 7 July 2026 JeffreyJLukas talk contribs created page File:Wiki Banner July 2026.png
14:31, 7 July 2026 JeffreyJLukas talk contribs uploaded File:Wiki Banner July 2026.png
12:54, 7 July 2026 JeffreyJLukas talk contribs created page Colorado River Science Wiki (Created page with "thumb|400px|'''Figure 1.''' Representation of the different models and data, and their underlying science, applied to decision-making in the Colorado River Basin. (Design: J. Lukas, adapted from L. Payton; basin map by Western Water Assessment (L. Woelders); thumbnail images from University of Washington VIC group, NOAA Colorado Basin River Forecast Center, and Reclamation) File:2025 4 panel Plot Udall.jpg|thumb|400px|link=Current_condit...")
12:51, 7 July 2026 JeffreyJLukas talk contribs created page MediaWiki:Mainpage (Created page with "Colorado River Science Wiki")
12:12, 7 July 2026 JeffreyJLukas talk contribs created page About this wiki (Created page with "The '''Colorado River Science Wiki''' is a web-based clearinghouse for scientific and technical information relevant to the Colorado River Basin and the management of its water resources and related natural resources. This clearinghouse is intended to be useful to managers and other decision-makers, to researchers, to the media, and to the broader public. Its objectives are to: *Share recent and ongoing Colorado River research efforts and findings *Provide up-to-date...")
12:26, 18 May 2026 JeffreyJLukas talk contribs uploaded a new version of File:CUL CRB breakdown.png
12:25, 18 May 2026 JeffreyJLukas talk contribs created page File:CUL CRB breakdown.png (Pie chart showing the breakdown of the consumptive use of water in the Colorado River Basin, 2015-2024)
12:25, 18 May 2026 JeffreyJLukas talk contribs uploaded File:CUL CRB breakdown.png (Pie chart showing the breakdown of the consumptive use of water in the Colorado River Basin, 2015-2024)
12:04, 18 May 2026 JeffreyJLukas talk contribs created page File:CUL CRB map.png (Map of the Colorado River Basin showing the sub-basins used by Reclamation for consumptive uses and losses reporting.)
12:04, 18 May 2026 JeffreyJLukas talk contribs uploaded File:CUL CRB map.png (Map of the Colorado River Basin showing the sub-basins used by Reclamation for consumptive uses and losses reporting.)
18:01, 10 November 2025 JeffreyJLukas talk contribs created page File:OceanIndexTimeSeries.png (Time series of three annualized variables from 1906-2025: Colorado River streamflow at Lees Ferry, AZ; the Pacific Decadal Oscillation (PDO); the Atlantic Multidecadal Oscillation (AMO))
18:01, 10 November 2025 JeffreyJLukas talk contribs uploaded File:OceanIndexTimeSeries.png (Time series of three annualized variables from 1906-2025: Colorado River streamflow at Lees Ferry, AZ; the Pacific Decadal Oscillation (PDO); the Atlantic Multidecadal Oscillation (AMO))
17:57, 10 November 2025 JeffreyJLukas talk contribs deleted page File:OceanIndexTimeSeries.png (content was: "== Summary == Time series of Colorado River at Lees Ferry, AZ, streamflow along with the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Oscillation (AMO), from 1906-2025", and the only contributor was "JeffreyJLukas" (talk))
17:57, 10 November 2025 JeffreyJLukas talk contribs created page File:OceanIndexTimeSeries.png (Time series of Colorado River at Lees Ferry, AZ, streamflow along with the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Oscillation (AMO), from 1906-2025)
17:57, 10 November 2025 JeffreyJLukas talk contribs uploaded File:OceanIndexTimeSeries.png (Time series of Colorado River at Lees Ferry, AZ, streamflow along with the Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Oscillation (AMO), from 1906-2025)
17:55, 10 November 2025 JeffreyJLukas talk contribs created page File:WY2025.Forecast withObs.png (Random forest model forecast of Water Year 2025 naturalized streamflow for the Colorado River at Lees Ferry, AZ, overlain with the observed 2025 streamflow)
17:55, 10 November 2025 JeffreyJLukas talk contribs uploaded File:WY2025.Forecast withObs.png (Random forest model forecast of Water Year 2025 naturalized streamflow for the Colorado River at Lees Ferry, AZ, overlain with the observed 2025 streamflow)
17:53, 10 November 2025 JeffreyJLukas talk contribs created page File:WY2026.variableImportance.png (Plot showing the variable importance metrics for four variables in a random-forests forecast model of Colorado River streamflow)
17:53, 10 November 2025 JeffreyJLukas talk contribs uploaded File:WY2026.variableImportance.png (Plot showing the variable importance metrics for four variables in a random-forests forecast model of Colorado River streamflow)
17:52, 10 November 2025 JeffreyJLukas talk contribs created page File:WY2026.Forecast.png (Time series chart of Colorado River at Lees Ferry, AZ, water-year flow, for 1906-2025, with the probability distribution of a forecast for water year 2026 at the end.)
17:52, 10 November 2025 JeffreyJLukas talk contribs uploaded File:WY2026.Forecast.png (Time series chart of Colorado River at Lees Ferry, AZ, water-year flow, for 1906-2025, with the probability distribution of a forecast for water year 2026 at the end.)
17:33, 10 November 2025 JeffreyJLukas talk contribs deleted page File:WY2026.Forecast.png (content was: "== Summary == Time series chart of Colorado River at Lees Ferry water-year flow, 1906-2025, with a probability forecast for the 2026 water year.", and the only contributor was "JeffreyJLukas" (talk))
17:32, 10 November 2025 JeffreyJLukas talk contribs created page File:WY2026.Forecast.png (Time series chart of Colorado River at Lees Ferry water-year flow, 1906-2025, with a probability forecast for the 2026 water year.)
17:32, 10 November 2025 JeffreyJLukas talk contribs uploaded File:WY2026.Forecast.png (Time series chart of Colorado River at Lees Ferry water-year flow, 1906-2025, with a probability forecast for the 2026 water year.)
15:42, 21 July 2025 JeffreyJLukas talk contribs created page File:CO Delta Map.png (Satellite image of the Colorado River Delta and Gulf of California annotated with placenames of cities and geographic features.)
15:42, 21 July 2025 JeffreyJLukas talk contribs uploaded File:CO Delta Map.png (Satellite image of the Colorado River Delta and Gulf of California annotated with placenames of cities and geographic features.)
16:51, 9 June 2025 JeffreyJLukas talk contribs created page Colorado River Delta (Created page with "==Overview== ===The Delta before the early 1900s=== Prior to the construction of dozens of large dams on the mainstem and tributaries, the Colorado River carried million tons of sediment annually to its lowest reaches, building a broad alluvial plain from the Salton Sea [link to Salton Sea wiki page] to the Gulf of California. At the southern end of this plain, close to sea level and the Gulf, the Colorado River branched out into multiple distributary channels, creatin...")
18:14, 31 March 2025 JeffreyJLukas talk contribs created page File:Salton Sea CaDWR Mascarenas.jpg (Photograph of thousands of waterfowl and other birds in the Salton Sea, southern California.)
18:14, 31 March 2025 JeffreyJLukas talk contribs uploaded File:Salton Sea CaDWR Mascarenas.jpg (Photograph of thousands of waterfowl and other birds in the Salton Sea, southern California.)
18:13, 31 March 2025 JeffreyJLukas talk contribs created page File:Salton Sea Basin map.png (Map of the Salton Sea watershed in Southern California, with waterways and canals marked.)
18:13, 31 March 2025 JeffreyJLukas talk contribs uploaded File:Salton Sea Basin map.png (Map of the Salton Sea watershed in Southern California, with waterways and canals marked.)
18:07, 31 March 2025 JeffreyJLukas talk contribs created page Salton Sea (Created page with "==Overview== The Salton Sea is–for now–topographically separated from the Colorado River, but it is intimately linked to the river by shared hydrogeologic history and tradeoffs in the management of the river’s water resources. By area, the Salton Sea is the largest water body in the contiguous U.S. west of Utah’s Great Salt Lake, covering 305 square miles as of March 2025. Located in far southeastern California in one of the most arid regions in North America, i...")
19:24, 1 November 2024 JeffreyJLukas talk contribs created page File:WY2025.Forecast Importance.png (Graph showing two measures of the 'variable importance' (or added value) of the four predictors in the random forest forecast model of Lees Ferry streamflow. (Source: David Woodson))
19:24, 1 November 2024 JeffreyJLukas talk contribs uploaded File:WY2025.Forecast Importance.png (Graph showing two measures of the 'variable importance' (or added value) of the four predictors in the random forest forecast model of Lees Ferry streamflow. (Source: David Woodson))
19:23, 1 November 2024 JeffreyJLukas talk contribs created page File:WY2025.Forecast variableImportance.png (Graph showing two measures of the 'variable importance' (or added value) of the four predictors in the random forest forecast model of Lees Ferry streamflow. (Source: David Woodson))
19:23, 1 November 2024 JeffreyJLukas talk contribs uploaded File:WY2025.Forecast variableImportance.png (Graph showing two measures of the 'variable importance' (or added value) of the four predictors in the random forest forecast model of Lees Ferry streamflow. (Source: David Woodson))
19:22, 1 November 2024 JeffreyJLukas talk contribs created page File:WY2025.Forecast.png (Graph showing a random forest model forecast of Water Year 2025 naturalized streamflow for the Colorado River at Lees Ferry, AZ. (Source: David Woodson))
19:22, 1 November 2024 JeffreyJLukas talk contribs uploaded File:WY2025.Forecast.png (Graph showing a random forest model forecast of Water Year 2025 naturalized streamflow for the Colorado River at Lees Ferry, AZ. (Source: David Woodson))
11:10, 29 October 2024 JeffreyJLukas talk contribs created page File:UCRB Aug PDSI 1900-2024.png (Chart showing the August Palmer Drought Severity Index for the Upper Colorado River Basin, 1900-2024)
11:10, 29 October 2024 JeffreyJLukas talk contribs uploaded File:UCRB Aug PDSI 1900-2024.png (Chart showing the August Palmer Drought Severity Index for the Upper Colorado River Basin, 1900-2024)
18:13, 28 October 2024 JeffreyJLukas talk contribs created page File:Huntsman Mesa CO RAWS.jpg (Image of the remote automated weather station on Huntsman Mesa, in the Gunnison Valley of western Colorado)
18:13, 28 October 2024 JeffreyJLukas talk contribs uploaded File:Huntsman Mesa CO RAWS.jpg (Image of the remote automated weather station on Huntsman Mesa, in the Gunnison Valley of western Colorado)
12:51, 25 October 2024 JeffreyJLukas talk contribs created page File:UCRB WY Tave 1900-2024.png (Time-series chart showing annually averaged temperatures over the Upper Colorado River Basin, 1900-2024)
12:51, 25 October 2024 JeffreyJLukas talk contribs uploaded File:UCRB WY Tave 1900-2024.png (Time-series chart showing annually averaged temperatures over the Upper Colorado River Basin, 1900-2024)
12:51, 25 October 2024 JeffreyJLukas talk contribs created page File:LCRB WY Tave 1900-2024.png (Time-series chart showing annually averaged temperatures over the Lower Colorado River Basin, 1900-2024)
12:51, 25 October 2024 JeffreyJLukas talk contribs uploaded File:LCRB WY Tave 1900-2024.png (Time-series chart showing annually averaged temperatures over the Lower Colorado River Basin, 1900-2024)