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Full-Text Articles in Physical Sciences and Mathematics

Model Based Assessment Of Potential Impacts Of Climate Change On The Flow Of The Main Headwaters Of The Nile River: Equatorial Lakes Region And Blue Nile Basins, Fisseha G. Berhane Jun 2011

Model Based Assessment Of Potential Impacts Of Climate Change On The Flow Of The Main Headwaters Of The Nile River: Equatorial Lakes Region And Blue Nile Basins, Fisseha G. Berhane

Master's Theses

Berhane Fisseha. Model based assessment of potential impacts of climate change on the flow of the main headwaters of the Nile River: Equatorial Lakes Region and Blue Nile basins (Under the direction of Dr. Richard Anyah).

Spatially and temporally detailed assessment of the hydrologic processes of the main sources of the Nile River headwaters (Blue Nile basin and Equatorial Lakes Region) is vital for basin-wide scale management to cope with the pressing water problems due to burgeoning populations, a growing demand for electricity, irrigation for food production and possible climate change.

The main objectives of this study were to use …


A Continuous Late Holocene Record Of Paleoclimate Change From Grinnell Lake Sediment Cores, Glacier National Park, Montana, Jonathan G. Griffith Jun 2011

A Continuous Late Holocene Record Of Paleoclimate Change From Grinnell Lake Sediment Cores, Glacier National Park, Montana, Jonathan G. Griffith

Honors Theses

Grinnell Lake is a glacially-fed alpine lake in the northern Rocky Mountains of Montana. Limnological parameters and radiocarbon ages from a ~1.17 -meter-long sediment core from Grinnell Lake provide a ~1,200 year-long climate record. The objective of this thesis is to develop a multi-proxy record of glaciation by distinguishing periods of positive and negative mass balance chronologically. Two overlapping sediment cores (1P-1B-1 and 1C-2B-1) were described, photographed, and sampled at 0.5 cm, 1 cm, and 5 cm intervals and analyzed for % organic carbon, % inorganic carbon, mineral composition, bulk density, biogenic silica, and clastic sediment flux. Glacial fluctuations were …


Design And Implementation Of An Rf Data Communication System, Aung K. Soe Jun 2011

Design And Implementation Of An Rf Data Communication System, Aung K. Soe

Honors Theses

Located just 8 miles northeast of Union College is Ballston Lake, a unique lake, which offers excellent research opportunities for faculty and students. The south basin of the lake is permanently stratified, and there has been no intermixing between water layers for thousands of years. The lower water layers contain no oxygen (anoxic). The Union College Geology Department is interested in a ten year study of Ballston Lake. Currently, there is no commercially available automatic system for collecting and transmitting data from a sensor package at the bottom of the lake to the lake shore and finally to Union College …


Spatial Distribution And Evolution Of A Seasonal Snowpack In Complex Terrain: An Evaluation Of The Snodas Modeling Product, Brian Trail Anderson May 2011

Spatial Distribution And Evolution Of A Seasonal Snowpack In Complex Terrain: An Evaluation Of The Snodas Modeling Product, Brian Trail Anderson

Boise State University Theses and Dissertations

Hydrologists and water managers have been attempting to accurately estimate watershed scale snow water equivalent (SWE) for over a century. Extensive monitoring networks, remote sensing technology, and sophisticated modeling approaches have greatly improved these estimates; however, water inputs from snow in mountainous areas are still subject to considerable uncertainty due to SWE spatial variability. In an attempt to improve the understanding of physical processes and controls influencing SWE spatial variability, a field campaign to measure the spatial and temporal distribution of SWE within the Dry Creek Experimental Watershed (DCEW) was conducted during 2009 and 2010. These measurements are compared to …