Enthalpy-Based Models For Ice Sheets And Improving Understanding Of Cryo-Hydrologic Warming

Macpherson , Brian 1 ; Rajaram , Harihar 2 1 University of Colorado Boulder, Department of Civil, Environmental, and Architectural Engineering 2 University of Colorado Boulder, Department of Civil, Environmental, and Architectural Engineering Our research focuses on two aspects of ice sheet thermodynamics - (i) comparsion of enthalpy and temperature-based...

Asynchronous Little Ice Age Glacier Fluctuations In Iceland And Europe Linked To Subpolar North Atlantic Circulation

Larsen , Darren 1 ; Miller , Gifford 2 ; Geirsdottir , Aslaug 3 1 Dept. of Geological Sciences/INSTAAR 2 Dept. of Geological Sciences/INSTAAR 3 Institute of Earth Sciences, University of Iceland, Reykjavik, Iceland Records of past glacier fluctuations are an important source of paleoclimate data and provide context for...

Introduction Of Solute Age To Assess Aquifer Vulnerability And Direct Simulation Of Mean Groundwater Age

Larbkich , Warangkana 1 ; Neupauer , Roseanna M 2 1 Department of Civil, Environmental, and Architectural Engineering, University of Colorado at Boulder 2 Department of Civil, Environmental, and Architectural Engineering, University of Colorado at Boulder Groundwater age is a measurement of the amount of time that water particles have...

Varying Stream Channel Conductance And Its Effects On Stream Depletion Estimations

Lackey , Gregory D 1 ; Neupauer , Roseanna M 2 ; Pitlick , John 3 1 Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, Colorado 2 Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, Colorado 3 Department of Geography, University of Colorado, Boulder,...

Hydrologic Controls On Microbial Mat Communities In The McMurdo Dry Valley Streams Of Antarctica

Kohler , Tyler J 1 ; McKnight , Diane M 2 1 INSTAAR, University of Colorado 2 INSTAAR, University of Colorado In the McMurdo Dry Valleys, perennial cyanobacterial mats have adapted to undependable streamflow by persisting in a desiccated state during winter, but resume photosynthesizing with rehydration in summer months...

Estimating Freshwater Discharge From The Greenland Ice Sheet With MODIS

Hudson , Benjamin 1 ; Overeem , Irina 2 ; Syvitski , James P.M. 3 ; Mikkelsen , Andreas 4 1 University of Colorado, Community Surface Dyamics Modeling System 2 University of Colorado, Community Surface Dyamics Modeling System 3 University of Colorado, Community Surface Dyamics Modeling System 4 University of...

Modeling The Effects Of Bed Topography On Fluvial Erosion By Saltating Bed Load

Huda , Shahen A. 1 ; Small , Eric E. 2 1 University of Colorado at Boulder, Dept of Geological Sciences 2 University of Colorado at Boulder, Dept of Geological Sciences Abrasion by bed load is a dominant erosional mechanism of fluvial incision into bedrock. The foremost saltation-abrasion model states...

Land Subsidence At Aquaculture Facilities In The Yellow River Delta, China

Higgins , Stephanie 1 ; Overeem , Irina 2 ; Tanaka , Akiko 3 ; Syvitki , James P. M. 4 1 Department of Geological Sciences, Institute of Arctic and Alpine Research 2 Institute of Arctic and Alpine Research 3 AIST, Japan 4 Department of Geological Sciences, Institute of Arctic...

The Aquatic Program At The National Ecological Observatory Network (NEON)

Goodman , Keli J 1 ; Fitzgerald , Michael 2 ; Parker , Stephanie M 3 ; Roehm , Charlotte L 4 ; Utz , Ryan M. 5 ; Powell , Heather 6 1 NEON 2 NEON 3 NEON 4 NEON 5 NEON 6 NEON The National Ecological Observatory Network...

Hydraulic Fracturing Water Usage: Activist Perceptions And The Controversial Technique

Fitch , Michael 1 1 University of Colorado at Boulder Natural gas extraction in the United States has seen a dramatic increase over the last ten years due in large part hydraulic fracturing (fracking). In particular, Colorado has been a part of this increase in natural gas development, including in...

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