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Dissertations / Theses on the topic 'Flood irrigation'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Ottman, M. J., and J. E. Watson. "Nitrate Leaching Potential from a Single Border-Flood Irrigation." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/201383.

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Groundwater contamination by nitrate and other chemicals is a public concern and has subjected agriculture to scrutiny. Field studies were conducted at the Maricopa and Marana Agricultural Centers in 1989 to 1990 to document nitrate leaching potential with border flood irrigation. Calcium nitrate fertilizer was applied at various rates along with potassium bromide, which serves as an additional indicator of nitrate movement. Approximately 8.55 inches of irrigation water was applied at the Maricopa site on a sandy loam soil and 4.0 inches of irrigation water was applied at the Marana site on a

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2

Thompson, Paul M. "The impact of flood control on rural development in Bangladesh : post evaluation of the Chandpur Project." Thesis, Middlesex University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254599.

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In Bangladesh flood mitigation strategies have concentrated on embankments. However, due to a perceived lack of success with this strategy and high returns to irrigation development, the emphasis in water management switched towards small scale irrigation. Serious floods in 1987 and 1988 have renewed interest in flood mitigation. However, there is a lack of detailed evidence on the impacts of embankments. This study provides just such evidence. The study comprises a detailed post-evaluation of a major flood control, drainage and irrigation project, the Chandpur Irrigation Project. The results

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3

Halls, Ashley Stewart. "An assessment of the impact of hydraulic engineering on floodplain fisheries and species assemblages in Bangladesh." Thesis, Imperial College London, 1997. http://hdl.handle.net/10044/1/7704.

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4

Summerford, Sarah Elizabeth. "Characterization of soil/vegetation on flood irrigated hayfields in Grand Teton National Park, Wyoming: a predictive evaluation tool for agricultural wetlands." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/summerford/SummerfordS0509.pdf.

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The Elk Ranch hayfield in Grand Teton National Park (GTNP) has been historically flood-irrigated since the early 20th Century. The park service is now considering closing irrigation to restore native plant communities and enhance Spread Creek fisheries and will need information on the extent of irrigation-created wetlands and how irrigation cessation would change the vegetative component of the ranch. The main objective of this study was to assess the relation between soil and vegetation characteristics of wetland community types at the ranch and to determine if any of the relationships could

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5

Jiang, Shuang. "Bacterial leaching from dairy shed effluent applied to a fine sandy loam under flood and spray irrigations." Lincoln University, 2008. http://hdl.handle.net/10182/668.

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Land application of wastes has become increasingly popular, to promote nutrient recycling and environmental protection, with soil functioning as a partial barrier between wastes and groundwater. Dairy shed effluent (DSE), may contain a wide variety of pathogenic micro-organisms, including bacteria (e.g. Salmonella paratyphyi, Escherichia coli. and Campylobacter), protozoa and viruses. Groundwater pathogen contamination resulting from land-applied DSE is drawing more attention with the intensified development of the dairy farm industry in New Zealand. The purpose of this research was to investi

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6

Smith, S. Andrew Enticknap. "Water first." Connect to full text, 2002. http://thesis.anu.edu.au/public/adt-ANU20050314.135921/index.html.

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7

Ziyadi, Mohamed. "Vivre dans les montagnes arides ou sub-arides : l'aménagement des pentes dans l'Anti-Atlas central et occidental (Maroc)." Thesis, Nancy 2, 2011. http://www.theses.fr/2011NAN21028/document.

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Les conditions de vie offertes par la montagne anti-atlasique aux populations ne sont guère favorables au travail de la terre : la pluviosité est très irrégulière et insuffisante, le sol est squelettique et caillouteux car il se développe à partir d'un substrat géologique ancien et sur des pentes fortes. Pour pallier ces conditions hostiles, la société montagnarde de l'Anti-Atlas marocain s'est efforcée depuis des siècles, peut-être même depuis des millénaires, d'aménager pratiquement toutes les pentes pour y fixer la terre arable et surtout pour y récupérer tout le ruissellement pluvial afin

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8

Müller, Isabell [Verfasser], Hermann F. [Akademischer Betreuer] [Gutachter] Jungkunst, and Jens [Akademischer Betreuer] Schirmel. "The influence of traditional flood irrigation on biodiversity, plant Functional composition and plant nutrient availability in Central European grassland / Isabell Müller ; Gutachter: Hermann F. Jungkunst ; Hermann F. Jungkunst, Jens Schirmel." Koblenz, 2017. http://d-nb.info/1138981672/34.

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9

Müller, Isabell Bianca [Verfasser], Hermann F. [Akademischer Betreuer] [Gutachter] Jungkunst, and Jens [Akademischer Betreuer] Schirmel. "The influence of traditional flood irrigation on biodiversity, plant Functional composition and plant nutrient availability in Central European grassland / Isabell Müller ; Gutachter: Hermann F. Jungkunst ; Hermann F. Jungkunst, Jens Schirmel." Koblenz, 2017. http://d-nb.info/1138981672/34.

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10

Corrêa, Henrique Cunha. "ADEQUAÇÃO DA DEMANDA HÍDRICA E DA POTÊNCIA INSTALADA EM SISTEMAS DE RECALQUE PARA O ARROZ NA DEPRESSÃO CENTRAL DO RIO GRANDE DO SUL." Universidade Federal de Santa Maria, 2007. http://repositorio.ufsm.br/handle/1/7632.

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The rice culture for Rio Grande do Sul economy is of great relevance. Annually, around one million of hectares are planted. As it is a culture irrigated by a continuum flood, the supply of the high hydric demand is done in 70% of the area through pumping station, representing a significant portion of the production costs. Associate with this fact, there is a necessity in reducing water and energy consumption, object of several official and private actions undertaken in the latest years with the object of preserving the sources, reducing costs and contouring conflicts in the water access. The o

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11

Köpp, Luciana Marini. "INDICES DE DESEMPENHO PARA ESTAÇÕES DE BOMBEAMENTO EM LAVOURAS DE ARROZ IRRIGADO." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/3629.

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The state of Rio Grande do Sul (RS) grown in crop 2013/2014, 1,120,112 ha of rice, making up 46.18% of the cultivated area in Brazil, accounting for 66.21% of national production. The Fronteira Oeste of RS cultivated an area of 333,695 ha and 85.7% of this water pumping stations are used, making the cost of irrigation represents 10.74% of the total cost of production of cereal, one of the most expressive. The efficiency of energy use in the process of irrigation of rice fields linked to this agronomic aspects (definition of cultivars and suitable choice of the area) and engineering (pump of ch

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12

Boberg, Björn, and David Holm. "FEM modeling of concrete gravity dams." Thesis, KTH, Vattendragsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99351.

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13

Brown, Kyle. "The Effects of Past Climate Change and Recent Agricultural Irrigation Recharge on the Sources, Ages, and Quality of Groundwater in the Columbia River Basalt Aquifers, Columbia Basin, Central Washington." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/193418.

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This study uses multiple isotopic (2H, 18O, 13C, 15NNO3, 18ONO3, 87Sr/86Sr) and age tracers (3H, 14C, CFCs), in conjunction with elemental chemistry, to address the following research question: How have present day anthropogenic activities (i.e. surface water irrigation and fertilizer application) and past climatic events (i.e. cataclysmic flooding from glacial Lake Missoula and other modes of discharge from Cordilleran Ice Sheet) impacted the hydrology and geochemistry of the Columbia River Basalt Aquifers (CRBAs) in central Washington? Large-scale irrigated agriculture over the past ~60 yea

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14

Garnier, Philippe. "Le Cher, étude hydrologique." Angers, 1993. http://www.theses.fr/1993ANGE0016.

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Le bassin du Cher est constitué de régions aux caractéristiques hydrologiques tranchées dont les besoins en eau diffèrent fortement. Après avoir analysé un certain nombre d'outils autorisant une première approche du fonctionnement de l'hydrosystème, une prospection systématique des formes de l'écoulement fut menée. Cette seconde partie examine plus particulièrement différentes méthodes de prédétermination des crues, ainsi que les sorties d'étiage. Ces analyses ont permis, en troisième partie, l'établissement de bilans hydrologiques autorisant une vision globale des flux. L'objectif, à ce nivea

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15

Shannak, Sa'D Abdel-Halim. "Investigating Rainwater Harvesting as a Stormwater Best Management Practice and as a Function of Irrigation Water Use." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8840.

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Stormwater runoff has negative impacts on water resources, human health and environment. In this research the effectiveness of Rain Water Harvesting (RWH) systems is examined as a stormwater Best Management Practice (BMP). Time-based, evapotranspiration-based, and soil moisture-based irrigation scheduling methods in conjunction with RWH and a control site without RWH were simulated to determine the effect of RWH as a BMP on a single-family residence scale. The effects of each irrigation scheduling method on minimizing water runoff leaving the plots and potable water input for irrigation were c

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16

Gopakumar, R. "Fuzzy Dynamic Wave Models For Flow Routing And Flow Control In Open Channels." Thesis, 2009. http://hdl.handle.net/2005/990.

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The dynamic wave model (the complete form of the saint-Venant equations), as applied to flow routing in irrigation canals or flood routing in natural channels, is associated with parameter and model uncertainties. The parameter uncertainty arises due to imprecision in the estimation of Manning’s n used for calculating the friction slope (sf) in the momentum equation of the dynamic wave model. Accurate estimation of n is difficult due to its dependence on several channel and flow characteristics. The model uncertainty of the dynamic wave model arises due to difficulty in applying the momentum e

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17

Buckelew, Juliana Kirsten. "Orchard floor management in young peach [Prunus persica (L.) Batsch.] effects of irrigation, vegetation-free width, and certain PRE herbicides /." 2009. http://www.lib.ncsu.edu/theses/available/etd-04202009-230749/unrestricted/etd.pdf.

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