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Mountain Hydrology Group - Colorado Snow Research, 2011-2019

Snow hydrology field work on and around Niwot Ridge, Steamboat, Senator Beck basin, and Grand Mesa, Colorado in January and May 2011, winter 2012, May 2013, summer 2014, May 2015, 2017, Feb-Aug 2017 and summer 2019. Photo subjects are Leah Meromy, Danielle Perrot, Morgan Zeliff, Jennifer Morse, Emily Baker, Dominik Schneider, Adrian Harpold, Theo Barnhart, Metta Gilbert, Kate Hale, Oliver Wigmore, Keith Jennings, Ryan Webb, Nicole Folgham-Scott, and Siobhan Ciafone. Photos were taken by Leah Memory, Danielle Perrot, Dominik Schneider, Maggie Burns, Adrian Harpold, Emily Baker, Josh Jones, Keith Jennings, Nick Wright, Oliver Wigmore, and Kate Hale. VIEW PHOTOS IN FULL SCREEN MODE (put cursor over photo, full screen icon will appear, click on it.)

The clouds lift from a ridge above Green Lakes Valley, Colorado, during the annual snow survey, 11 May 2011. Photo by Danielle Perrot.Leah M. wires ultrasonic snow depth sensors to a datalogger on Niwot Ridge (3528-m)...sadly after the logger box was buried by 1.5 m of snow. Photo by Leah Meromy, January 2011.Leah digs out the loggerbox from about 3 m of snow in May 2011 on Niwot Ridge (3528 m) in order to download snow depth data. Photo by Leah Meromy, May 2011.Leah M.and Danielle P. take snow samples from the Saddle site (3345 m) at Niwot Ridge for water quality analysis. Photo by Leah Meromy, May 2011.Leah M. and Danielle P. take snow samples from the Saddle site (3345 m) at Niwot Ridge for water quality analysis. Photo by Leah Meromy, May 2011.Leah M. and Danielle P. take snow samples from the Saddle site (3345 m) at Niwot Ridge for water quality analysis. Photo by Leah Meromy, May 2011.Morgan Zeliff digs a snowpit as Jennifer Morse maintains a flux tower. Photo: Danielle Perrot. On Niwot Ridge, Jan 2011.Niwot Ridge Saddle van in foreground and Tundra Lab in background, 2011. Photo: Danielle Perrot.Photo taken near C-1 above Niwot Ridge Saddle, 2011. Photo: Danielle Perrot.Above Niwot Ridge, 2011. Photo: Danielle Perrot.A good cut! In the subalpine below Niwot Ridge.Digital imagery of snow profile, 2011. Photo: Danielle Perrot.NWT researcher Dominik Schneider downloads automated snow depth measurements at 1 of 3 sites along an elevational transect that monitor snow accumulation and ablation patterns in subapline and alpine environments. Niwot Ridge, CO, Winter 2012. Photo: Leah Meromy.A blustery day on Niwot Ridge, CO. Arrays of sensors measure snow depth automatically at various plots as part of a climate warming experiment in which half the plots have infrared heaters affecting the snow surface processes, Winter 2012. Photo: Dominik Schneider.NWT researchers Ashley Rumble and Dominik Schneider assembling mounting boxes for snow depth sensors at the highest of 3 sites on Niwot Ridge, CO., Nov 2012. Photo: Maggie Burns.Cluster of automated snow depth sensors on the highest of 3 sites on Niwot Ridge. Several late season snowfalls nearly buried the sensors, May 2013. Photo: Dominik Schneider.A view of the continental divide from near the Saddle on Niwot Ridge. Automated ultrasonic depth sensors are mounted to measure snow depth through the accumulation and ablation season. May 2013. Photo: Dominik Schneider.How many grad students does it take to screw in a snow sensor? 9/5/13. Photo: Dominik Schneider.Theo Barnhart uploading a new program at the Alpine snow sensor site on Niwot Ridge, summer 2014. Photo: Emily Baker.Theo Barnhart troubleshoots sensors at the Niwot Ameriflux site, winter 2014. Photo: Emily Baker.Theo Barnhart and Metta Gilbert deploy a timelapse camera in Steamboat, winter 2014. Photo: Emily Baker.Senator Beck energy balance tower in southern Colorado (note ski tracks in background), winter 2014. Photo: Emily Baker.Emily Baker carrying a depth stake to a field site at Steamboat, CO, winter 2014. Photo: Dominik Schneider.Theo Barnhart working on depth sensors in Steamboat, CO., summer 2014 Photo: Emily Baker.Dominik Schneider drives the team to Stormpeak Lab, Steamboat, CO in the Ranger ATV, fall 2014. Photo: Emily Baker.Emily Baker with timelapse camera and depth stake, Steamboat, CO, fall 2014. Photo: Dominik Schneider.Dominik Schneider repairing depth sensor array in Steamboat, CO, fall 2014. Photo: Emily Baker.Emily Baker wiring depth sensors in Steamboat, CO, summer 2014. Photo: Dominik Schneider.Dominik Schneider collects differential GPS to more accurately identify the measurement locations at Niwot Ridge. Photo: Adrian Harpold.2015. Green Lakes Valley Snow Survey. Photo: Josh Jones.2015. Green Lakes Valley Snow Survey. Photo: Josh Jones.2015. Green Lakes Valley Snow Survey. Photo: Josh Jones.2015. Green Lakes Valley Snow Survey. Photo: Josh Jones.2016. Theo Barnhardt and Kate Hale ready snow sensors for the winter season at Steamboat Springs, Colorado. Photo: Keith Jennings2017. Keith Jennings working on snow depth sensor array on Grand Mesa for NASA2017. Theo Barnhardt checking the installation of our NASA SnowEx depth sensors. Photo: Keith JenningsFeb, 2017 Ollie Wigmore. Photo: OllieFeb, 2017 Ollie WigmoreMay, 2017. Gearing up for the climb on Niwot Ridge. Photo: Oliver WigmoreMay, 2017. Climbing into the watershed Niwot. Photo: Oliver WigmoreMay, 2018. Climbing into the watershed, Niwot. Photo: Oliver WigmoreMay, 2017. Panoramic from the top, Niwot. Photo: Oliver WigmoreMay, 2017. Niwot Ridge. Photo: Oliver WigmoreJune, 2017. Ryan flying the kite in Niwot Saddle. Photo: Oliver WigmoreAug, 2017. GPS point on Niwot Saddle. Photo: Oliver Wigmore.July, 2017. Drone overflight. Photo: Oliver Wigmore.July, 2017. Drone overflight. Photo: Oliver Wigmore.August, 2019. Panorama of the Niwot field site. Photo: Kate Hale.Summer, 2019. Snow density measurements on Niwot Ridge using a Federal sampler. Photo: Kate Hale.Summer, 2019. Snow pit measurements on Niwot Ridge. Scale is used for snow density. Photo: Kate Hale.Summer, 2019. Closeup of scale and snow pit sampler used to measure snow density on Niwot Ridge. Photo: Kate Hale.Summer, 2019. Unloading the GPR sled. Photo: Kate Hale.Summer, 2019. Collecting snow depth measurements with the GPR. Photo: Kate Hale.Summer, 2019. Using the GPR sled. Photo: Kate Hale.Summer, 2019. Setting up the GPR sled, Niwot Ridge. Photo: Kate Hale.

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