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Articles 1 - 5 of 5
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Estimation Of Spatial Change In Cropland Area And Evaluation Of Irrigation Performance In Imperial Valley Using Remotely Sensed Data, Usha Poudel
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Imperial Valley (IV) in the US is an extensively irrigated agricultural region, which includes multiple crops changing on an annual and semiannual basis. The valley is facing grave concerns about water management due to its semi-arid environment, water intensive crops, and limited water supply. A simple, inexpensive, and repeatable method to detect changes in cropping patterns may assist irrigation managers to understand crop diversification and associated consumptive use. In addition, a spatial assessment of existing water irrigation system performance and productivity is crucial to benchmark and improve current water management strategies. This thesis estimates the spatial pattern of change …
Utilization Of Remote Sensing Data For Estimation Of The Groundwater Storage Variation, Gaurang Mistry
Utilization Of Remote Sensing Data For Estimation Of The Groundwater Storage Variation, Gaurang Mistry
UNLV Theses, Dissertations, Professional Papers, and Capstones
Groundwater is the most extracted raw material, with an average withdrawal rate of 982 km3 per year, where 70 percent of the total groundwater withdrawn is used for agriculture globally (Margat & van der Gun, 2013). With climate change and increased water demands in recent years, monitoring the changes in the groundwater storage is of the utmost importance. This thesis presents an analysis that determines the rates, trends, and directions where groundwater storage is going in Pakistan. It also correlates fluctuations in groundwater storage with variations in precipitation and agricultural productivity in the country. The overall objectives of this thesis …
From Access To Excess: Agribusiness, Federal Water Programs, And The Historical Roots Of The California Water Crisis, Tracy Marie Neblina
From Access To Excess: Agribusiness, Federal Water Programs, And The Historical Roots Of The California Water Crisis, Tracy Marie Neblina
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this paper is to show the link between water use, land consolidation, agribusinesses, and the water crisis that California began to experience in 2011. In order to better understand the relationship between the growth of agribusiness in the state and the evolution of water policy, this paper explores the historical context of land policy, the growth of farming in the San Joaquin Valley, and the development of federally funded water projects in the Central Valley. Years of expanding farmland and use of surface and underground water with limited regulation played an important role in exacerbating California’s water …
A Landscape Approach To Late Prehistoric Settlement And Subsistence Patterns In The Mojave Sink, Tiffany Ann Thomas
A Landscape Approach To Late Prehistoric Settlement And Subsistence Patterns In The Mojave Sink, Tiffany Ann Thomas
UNLV Theses, Dissertations, Professional Papers, and Capstones
The environment of the Late Prehistoric period (1200 A.D. to Historic Contact) Mojave Sink was wetter than modern conditions. The settlement and subsistence patterns of the occupants of the region during this period were driven by the availability of water, subsistence resources, raw material sources, and tradition. These people utilized the regional landscape based upon the seasonal availability of these resources. Supplemental agricultural production has been proposed for the Mojave River Delta due to the more favorable environmental conditions of this period. If agriculture was being practiced it would have affected the regional land-use patterns. For this thesis I propose …
Newe Country: Environmental Degradation, Resource War, Irrigation And The Transformation Of Culture On Idaho's Snake River Plain, 1805--1927, Sterling Ross Johnson
Newe Country: Environmental Degradation, Resource War, Irrigation And The Transformation Of Culture On Idaho's Snake River Plain, 1805--1927, Sterling Ross Johnson
UNLV Theses, Dissertations, Professional Papers, and Capstones
Idaho's Shoshone and Bannock Indians have long relied upon the Snake River. The waterway provides salmon and waters the vast Camas Prairie. On the prairie grows the Camas plant, the roots of which Shoshones and Bannocks harvest as a staple of their diet. Grass also grows on the prairie and the surrounding plains, which fed huge herds of bison that Shoshones and Bannocks also relied upon for food and skins to wear and trade. As a result of integration into the globalizing economy initiated by Meriwether Lewis and William Clark, indigenous peoples of the area and Euroamericans overhunted bison populations, …