Influence Of Current Velocity On Algal Responses To Nutrients In Poudre Watershed Streams

Beck , Whitney S. 1 ; Poff , N. LeRoy 2 1 Å·ÃÀ¿Ú±¬ÊÓƵ State University 2 Å·ÃÀ¿Ú±¬ÊÓƵ State University Streamflow is a master variable that regulates biological communities in lotic ecosystems. Laboratory studies have shown that current velocity influences how algal communities respond to stream water nutrients. Faster velocities can...

The Competition Between Frequent And Rare Flood Events: The Impact On Erosion Rates And Landscape Form

Adams , Jordan M 1 ; Gasparini , Nicole M 2 1 INSTAAR, University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder 2 Department of Earth and Environmental Sciences, Tulane University Runoff variability, defined as a function of the frequency and magnitude of flood events plays an important role in landscape evolution. Previous work has...

Abstract to be uploaded later

Shoaei , Farrokh 1 ; Crimaldi , John P. 2 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder Abstract to be uploaded later.

Longitudinal Stream Profile Analysis In Taiwan

Yanites , Brian J 1 ; Tucker , Greg 2 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ The growth of active tectonic structures is reflected in topographic properties such as hillslope steepness, local and regional relief, and longitudinal stream profiles. Preliminary results of three major rivers from the island...

Assessing The Effects Of Streamflow Changes And Local Shear Stress Variations On The New Zealand Mud Snail In Boulder Creek, Å·ÃÀ¿Ú±¬ÊÓƵ

Wynne , Kristina 1 ; Pitlick , John 2 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ, Department of Geography 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ, Department of Geography In November, 2004, the invasive New Zealand mud snail (NZMS) was confirmed in Å·ÃÀ¿Ú±¬ÊÓƵ. Previous studies of the NZMS in streams of the northern Rocky Mountains have...

Retreat Rates And Controls On The Form Of Hard-Capped Cliffs In Plateau Country

Ward , Dylan J 1 ; Anderson , Robert S 2 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ Dept. of Geological Sciences and INSTAAR 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ Dept. of Geological Sciences and INSTAAR The retreat of hard-capped cliffbands represents the erosional response of the Plateau landscape to changes in base level, i.e.,...

Morphology And Potential Retreat Processes Of East Fork Falls, Roan Plateau, Å·ÃÀ¿Ú±¬ÊÓƵ

Thul , David 1 ; Berlin , Maureen 2 ; Anderson , Robert S. 3 1 Geological Sciences, Univ. of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder 2 Geological Sciences, Univ. of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder 3 INSTAAR and Geological Sciences, Univ. of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder Å·ÃÀ¿Ú±¬ÊÓƵ's Roan Plateau provides a natural laboratory for the...

Numerical Simulation Of Tectonic Strain And Water Level At A Desert Fault System

Robertson , Gregory D 1 ; Ge , Shemin 2 ; Cutillo , Paula 3 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder 3 National Park Service, Water Resource Division Tectonic deformation in the Great Basin is speculated as one of the possible causes for water...

Local Polynomial Method For Ensemble Forecast Of Time Series

Regonda , Satish K 1 ; Rajagopalan , Balaji 2 ; Lall , Upmanu 3 ; Clark , Martyn 4 ; Moon , Young-Il 5 1 Dept of Civil, Environmental & Architectural Engineering, Cooperative Institute for Research in Environmental Sciences, University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder 2 Dept of Civil, Environmental...

Regional Assessment Of Lake Sensitivity To Acidification From Atmospheric Deposition Of Pollutants In Five National Parks Of The Rocky Mountains

Nanus , Leora 1 ; Williams , Mark W. 2 ; Campbell , Donald H. 3 1 University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder 2 University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder 3 United States Geological Survey Acidification of high-elevation lakes in the Western United States is of concern because of the storage and release of...

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