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Creator:: Gibson, Maria
Abstract:: Although surface water constitutes less than 1.5% of freshwater supply, historical development of surface water sources continues to mark the landscape. However, over- exploitation of groundwater is now at its highest, and 25% of the world’s 1.7 billion population live in water scare regions. As glaciers and snowpack disappear due...
Resource Type:: Dissertation
Full Text:: to approximate groundwater recharge rates. An analytical technique was also applied to estimate ASR

Creator:: Kollen, Jacob K.
Abstract:: Evapotranspiration (ET) is the process by which water is transferred from land to the atmosphere. ET is the second most important component of a hydrologic budget and remains difficult to estimate. The primary objective of this project was to determine the limitations of estimating ET from water table elevation fluctuations...
Resource Type:: Masters Thesis

Creator:: Pangle, Luke A.
Abstract:: Understanding how the interactions and feedbacks between plant function, climate, and soils ultimately affects the terrestrial water balance and subsurface flow processes is major challenge in scientific hydrology. This dissertation summarizes the findings of a manipulative climate warming experiment, an observational field study that utilized stable-isotope tracers, and associated modeling...
Resource Type:: Dissertation
Full Text:: of evapotranspiration, soil moisture, and potential groundwater recharge to a 3.5˚C temperature

Creator:: Petrides Jiménez, Arístides Crisóstomos
Abstract:: This research project focuses on the Walla Walla River Basin located on the east side of the states of Oregon and Washington, USA. With the support and collaboration of the Walla Walla Basin Watershed Council, this work embraces four research topics. The first topic includes the feasibility study of artificial...
Resource Type:: Dissertation
Full Text:: ........................................................................................... 136 Chapter 4 Groundwater tracers from artificial aquifer recharge basins in the Walla Walla

Creator:: Harpham, Kelsey
Abstract:: The Tumalo Project at Tumalo Reservoir in Central Oregon was proclaimed a failure almost as soon as it was completed. As the reservoir filled with water diverted from Tumalo creek in the spring of 1915, sinkholes developed in the reservoir floor and every last drop of captured water disappeared into...
Resource Type:: Masters Thesis
Full Text:: circumstances to explore its potential as a groundwater recharge site. The hydro- geology of the Deschutes

Creator:: Petrides Jimenez, Aristides Crisostomos
Abstract:: The gravel aquifer of the Oregon side of Walla Walla River Basin has a strong hydrologic connection to surface water through a series of springs, unlined irrigation canals, the Walla Walla River, numerous wells and, since 2004, artificial recharge to the shallow aquifer using infiltration basins. The finite element Integrated...
Resource Type:: Masters Thesis
Full Text:: , evaporation, groundwater recharge and surface elevation. Land water use Area classification, Potential

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