Center for Snow and Avalanche Studies

      CODOS Quick Links

Colorado Dust-on-Snow (CODOS)
With direct funding support from stakeholders, CODOS monitors the presence/absence of dust layers at 11 mountain pass locations throughout Colorado.

With those data, data from nearby Snotel sites, and weather forecasts, CODOS provides its funders with a series of “Update” analyses of how dust-on-snow is likely to influence snowmelt timing and rates during the snowmelt runoff season.

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The Center for Snow & Avalanche Studies serves the mountain science community and regional resource managers by hosting & conducting interdisciplinary research and conducting integrative 24/7/365 monitoring that captures weather, snowpack, radiation, soils, plant community and hydrologic signals of regional climate trends.
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CODOS 2012 Reports

With direct funding support from stakeholders, CODOS monitors the presence/absence of dust layers at 11 mountain pass locations throughout Colorado. With those data, data from nearby Snotel sites, and weather forecasts, CODOS provides its funders with a series of “Update” analyses of how dust-on-snow is likely to influence snowmelt timing and rates during the snowmelt runoff season.

Current funders receive timely updates throughout the snowmelt season. Please contact Chris Landry if your agency/organization is interested in joining the CODOS stakeholders.

A Case Study in Interannual Variability of Colorado Snowpack and the Role of Desert Dust

May 11, 2011
May 12, 2012
Swamp Angel Study Plot in Senator Beck Basin Study Area near Red Mountain Pass

               2012 Summary: 2012 Season Summary
               Berthoud Summit: 2012 Season Summary | May 2 | April 10 | March 28 | March 15
                Grand Mesa: 2012 Season Summary | May 1 | April 5 | March 28 | March 16
                Grizzly Peak: 2012 Season Summary | April 27 | April 10 | March 28 | March 15
                Hoosier Pass: 2012 Season Summary | May 2 | April 9 | March 28 | March 14
                McClure Pass: 2012 Season Summary | April 27 | April 11 | March 28 | March 16
                Park Cone: 2012 Season Summary | April 27 April 9 | March 28 | March 14
                Rabbit Ears Pass: 2012 Season Summary | May 2 | April 10 | March 28 | March 15
                Senator Beck Basin: 2012 Season Summary | April 23 | April 7-8 | March 26-27 | March 5-16
                Spring Creek Pass: 2012 Season Summary | April 9 | March 28 | March 17
                Willow Creek Pass: 2012 Season Summary | April 27 | April 10 | March 28 | March 15
                Wolf Creek Pass: 2012 Season Summary | May 1 | April 9 | March 28 | March 17

Prior Year Updates:
Water Year 2012 CODOS Updates (pdf, 9.5 mb)
Water Year 2011 CODOS Updates (pdf, 5.4mb)
Water Year 2010 CODOS Updates (pdf, 5.4mb)
Water Year 2009 CODOS Updates (pdf, 2.3mb)
Water Year 2008 CODOS Updates (pdf, 0.8mb)

CODOS Sites Overview Map

. Click the map below for a larger version. CODOS Site Overview - Thumbnail Map
The CODOS site atlas and KMZ file are available to CODOS stakeholders upon request.