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Surface Soil Moisture Estimations Using GPS-Interferometric Reflectometry: Error Sources And Sensing Limits

Chew , Clara 1 ; Small , Eric 2 ; Larson , Kristine 3 1 University of Colorado 2 University of Colorado 3 University of Colorado GPS-Interferometric Reflectometry (GPS-IR) is a new method of environmental monitoring that relates changes in ground-reflected (multipath) GPS signals to changes in snow depth, surface...

Comparing The Annual Pattern Of Snowfall And Accumulation At Summit, Greenland

Castellani , Benjamin B 1 ; Shupe , Matthew D 2 ; Hudak , David R 3 ; Sheppard , Brian E 4 1 Cooperative Institute for AV名湿 in Environmental Sciences, University of Colorado, and NOAA Earth Systems AV名湿 Laboratory 2 Cooperative Institute for AV名湿 in Environmental Sciences, University of...

Variability Of Hillslope Dissolved Organic Matter Transport And Transformation In A Semi-Arid Catchment

Burns , Margaret 1 ; McKnight , Diane 2 ; Gabor , Rachel 3 ; Barnard , Holly 4 1 Institute of Arctic and Alpine AV名湿, CU Boulder 2 Institute of Arctic and Alpine AV名湿, CU Boulder 3 Institute of Arctic and Alpine AV名湿, CU Boulder 4 Institute of Arctic...

Evaluating The Effects Of Precipitation And Wind Speed On Snow Water Equivalence Along An Elevation Gradient Using 30 Years Of LTER Snow-Pit Data

Brandes , Henry 1 ; Houston , Nathaniel 2 ; Carter , Roger 3 ; Cushing , Melissa 4 ; Schuster , Jessica 5 1 University of Colorado at Boulder Long term trends of precipitation and wind speed were evaluated along elevation gradients to assess the dominant effects on snow...

Satellite Measurements Of River Discharge And Runoff

Brakenridge , G. R. 1 1 University of Colorado As noted in 鈥淪tream-Gaging Program of the U.S. Geological Survey, USGS Circular 1123", 鈥淧erhaps the biggest challenge that confronts the stream-gauging program is that of maintaining long-term and consistent nationwide data sets.鈥 The USGS operates a ground-based discharge monitoring network of...

Seasonal Variability Of Western US Extreme Precipitation

Bracken , Cameron 1 ; Rajagopalan , Balaji 2 ; Gangopadhyay , Subhrendu 3 1 University of Colorado, Boulder 2 University of Colorado, Boulder; CIRES 3 Bureau of Reclamation Extreme precipitation magnitude and timing varies drastically throughout the western US. Understanding the spatial and temporal variability of these events is...

Terrain Modulates Hydrological Couplings With Soil Respiration Within The Boulder Creek Drainage

Berryman , Erin M 1 ; Barnard , Holly R 2 ; Brooks , Paul D. 3 ; Adams , Hallie 4 ; Burns , Maggie 5 1 INSTAAR, University of Colorado, Boulder 2 INSTAAR, University of Colorado, Boulder 3 Department of Hydrology and Water Resources, University of Arizona 4...

Mountain Hydrology, Forest Management And Water Security In The Sierra Nevada

Bales , Roger C 1 1 Sierra Nevada AV名湿 Institute, University of California, Merced Water security is the reliable availability of an acceptable quantity & quality of water for health, livelihoods and production, coupled w/ an acceptable level of water-related risks. California has in the past and can in the...

Hydrologic Simulations In Two Subcatchments Of The Boulder Creek Watershed

Zhang , Qinghuan 1 ; Williams , Mark 2 ; Cowie , Rory 3 1 Geography & INSTAAR, University of Colorado Boulder 2 Geography & INSTAAR, University of Colorado Boulder 3 Geography & INSTAAR, University of Colorado Boulder Hydrologic modeling is necessary in predicting discharge, especially in mountainous areas where...

An Approach For Assessing The Drought-Resilience Of Colorado'S Transbasin Water Diversions

Yates , David 1 ; Miller , Kathleen A 2 ; Wilby , Robert L 3 ; Kaatz , Laurna 4 2 Presenting Author 1 NCAR 2 NCAR 3 Loughborough University 4 Denver Water Drought episodes and climate change may threaten water supplies for cities and farms along Colorado?s Front...

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