Simulating The Effect Of Matrix Diffusion In Fractured Porous Media With Dual Domain Mass Transfer: A Modeling Comparison

Weingarten , Matthew 1 ; Hsieh , Paul 2 1 ÀÖ²¥´«Ã½ at Boulder, Boulder, CO, USA 2 U.S. Geological Survey, Menlo Park, CA, USA Solute transport through fractured porous rocks can be described by advective-dispersive transport through the fractures and diffusive transport through the unfractured matrix. The effect...

Middle Holocene Natural Variability Of Temperature And Salinity In The North Atlantic Ocean, Southwest Of Iceland

Underhill , Vivian R 1 1 ÀÖ²¥´«Ã½ With rising global temperatures, a major concern is that fresh water from melting glaciers and the Greenland ice sheet will slow down global oceanic circulation patterns, in particular the North Atlantic Current (NAC). The NAC, an extension of the Gulf Stream,...

Variations In Summertime Sea Ice Along The Chukchi Coast Since 1849

Underhill , Vivian R 1 ; Wood , Kevin R 2 ; Mahoney , Andy 3 1 ÀÖ²¥´«Ã½, Environmental Sciences Department 2 Joint Institute for the Study of the Atmosphere and Ocean 3 University of Alaska, Geophysical Institute The amount of sea ice remaining in the Chukchi Sea...

The Hard Rock Café: Nutrient And Energy Sources Supporting The Deep Terrestrial Biosphere In Colorado

Swanner , Elizabeth D 1 ; Templeton , Alexis S 2 1 ÀÖ²¥´«Ã½ 2 ÀÖ²¥´«Ã½ It is now established that microbial life inhabits pore spaces and fractures deep within the solid rock of our continents. However, the nutrient and energy sources that support the deep terrestrial...

Compressing The Cotton Glacier Project: Attempting To Explain Two-Years Of Complex Multi-Disciplinary Research To Just About Anyone, In Less Than Two Minutes.

SanClements , Michael D 1 ; McKnight , Diane M 2 ; Foreman , Christine M 3 1 INSTAAR, ÀÖ²¥´«Ã½ at Boulder 2 INSTAAR, ÀÖ²¥´«Ã½ at Boulder 3 Montana State University While in Antarctica this year I was afforded the opportunity to create a two minute...

21st Century Precipitation Trend For Swiss River Basins

Rudolph , James V 1 ; Friedrich , Katja 2 1 ÀÖ²¥´«Ã½, Dept. of Atmospheric and Oceanic Sciences (ATOC) 2 ÀÖ²¥´«Ã½, Dept. of Atmospheric and Oceanic Sciences (ATOC) A 21st century precipitation forecast for seven Swiss river basins is generated by linking high resolution (2 x...

Preliminary Analysis Of The Effects Of Willows On Water Discharge

Rengers , Francis Kevin 1 ; Moody , John 2 ; Ebel , Brian 3 1 ÀÖ²¥´«Ã½ 2 USGS 3 USGS Recently new work has begun to try to model the sediment deposition and erosion patterns that occurred in the Spring Creek Watershed following the Buffalo Creek Fire...

HIMALA: Understanding The Contribution Of Glacier And Snowmelt In The Himalaya Using A Spatially-Distributed Energy Balance Model And Remotely Sensed Data

Racoviteanu , Adina 1 ; Artan , Guleid 2 ; Brown , Molly 3 ; Shrestha , Mandira 4 ; Bajracharya , Samjwal 5 ; Mool , Pradeep 6 ; Habib , Shahid 7 ; Tzortziou , Maria 8 1 ÀÖ²¥´«Ã½, Institute of Arctic and Alpine Research 2...

The Impact Of Beetle-Induced Conifer Death On Stand-Scale Canopy Snow Interception

Pugh , Evan T 1 ; Small , Eric E 2 1 ÀÖ²¥´«Ã½ 2 ÀÖ²¥´«Ã½ In western North America, the mountain pine beetle has killed more than 100,000 km 2 of lodgepole pine ( Pinus contorta ) forest, causing trees to lose the majority of their...

Contrasting Advective Spreading And Dispersive Mixing In Groundwater

Piscopo , Amy N 1 ; Mays , David C 2 ; Neupauer , Roseanna M 3 1 ÀÖ²¥´«Ã½ at Boulder 2 ÀÖ²¥´«Ã½ Denver 3 ÀÖ²¥´«Ã½ at Boulder The lack of mixing in laminar flows is a fundamental problem when addressing groundwater contamination, and...

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