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Full-Text Articles in Physical Sciences and Mathematics
An Analysis Of The Relationship Between Snowpack And Groundwater Across Utah Watersheds., Samuel Wright
An Analysis Of The Relationship Between Snowpack And Groundwater Across Utah Watersheds., Samuel Wright
Electronic Theses and Dissertations
This thesis examined what type of relationship existed between snow water equivalence (SWE) volume and groundwater elevation within six sub-watersheds in Utah. Data was gathered on SWE from seventeen SNOTEL sites and groundwater elevation data was gathered from six continuously monitored groundwater wells. This data was gathered for January through May for 2011, 2013, and 2014 in order to represent the water conditions that were above average, below average, and average respectively. Using MLR formulas the total SWE for each sub-watershed was determined for each year/month. Afterwards a correlation analysis was performed to determine if any association existed between SWE …
Response Of Soil Properties To 23-25 Years Of Diverse Crop Rotations And Tillage Systems In South Dakota, Usa, Abdullah H. Alhameid
Response Of Soil Properties To 23-25 Years Of Diverse Crop Rotations And Tillage Systems In South Dakota, Usa, Abdullah H. Alhameid
Electronic Theses and Dissertations
Diverse cropping systems and no-till (NT) are beneficial in improving soil organic carbon (SOC) and other soils properties. The present study was conducted to evaluate the interactions and impacts of long-term tillage and diverse crop rotation systems on soil quality indicators that include a range of soil chemical, physical, hydrological, and microbial properties. The study was established in 1991 at Beresford, South Dakota and included three crop rotation systems [2-yr; maize (Zea mays L.)-soybean (Glycine max L.), 3-yr; maize-soybean-oat (Avena sativa L.), and 4-yr; maize-soybean-oat-wheat (Triticum aestivum L.)] managed under two tillage systems (NT and CT; conventional- tillage). Soil sampling …
Rock Glacier Hydrology In The San Juan Mountains, Colorado, Emilio Ian Mateo
Rock Glacier Hydrology In The San Juan Mountains, Colorado, Emilio Ian Mateo
Electronic Theses and Dissertations
Rock glaciers are unique geomorphological features located in alpine environments and are found in the San Juan Mountains of Colorado. There has been little research done on rock glaciers compared to their ice glacier counterparts. Most rock glaciers are located on the northern slope aspect in mountainous areas (Janke 2007), however, there are multiple in southwest Colorado with different aspects. This research project asks how slope aspect influences the hydrological processes of streams sourced from rock glaciers in the San Juan Mountains. This project focused on three basins that are adjacent to each other and share a common peak, Gilpin …
Characterizing Coastal Marsh Groundwater Hydrology With Multichannel Electrical Resistivity Tomography, Matthew R. Kestner
Characterizing Coastal Marsh Groundwater Hydrology With Multichannel Electrical Resistivity Tomography, Matthew R. Kestner
Electronic Theses and Dissertations
Subsurface waters are highly enriched in nutrients compared to surface waters in the coastal salt marsh environment and may, therefore, have a large effect on biogeochemical processes. There have been numerous studies examining marsh platform hydrology, however, there is a lack of information on the hyporheic zone within tidal creeks in coastal salt marsh environments. Hyporheic exchange has been studied in various non-tidal freshwater systems and verified as a significant pathway for solute transport in typical stream settings. The total volume of water cycled through salt marsh tidal creek hyporheic zones could prove to be a significant component of the …