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Mid and high latitude hydroclimatology: a modeling study of the observations and future temperature trends in the Fraser and Lena River basins
Descriptive
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Title
Mid and high latitude hydroclimatology: a modeling study of the observations and future temperature trends in the Fraser and Lena River basins
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Title
Modeling study of the observations and future temperature trends in the Fraser and Lena River basins
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Ferrari
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Michael Renard
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Michael Renard Ferrari
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author
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Miller
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James
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Advisory Committee
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James R Miller
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chair
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Robinson
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David
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Advisory Committee
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David Robinson
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internal member
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Nieswand
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George
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Advisory Committee
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George Nieswand
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internal member
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Hordon
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Robert
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Advisory Committee
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Robert Hordon
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outside member
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Rutgers University
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Graduate School - New Brunswick
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theses
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2008
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2008-10
Language
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English
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electronic
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xii, 116 pages
Abstract
The global hydrologic cycle is a complex physical system connecting ocean, land and atmosphere, and rivers are the conduit which connect all of these media. There have been several studies on the impact of climate change on river flow, but relatively few long term studies focusing on the impact of climate change on river temperature. This dissertation examines the potential impact of climate change on river temperatures for mid and high latitude Northern Hemisphere locations. Present trends in temperature of the Fraser and Lena Rivers are extended by using a global climate model to project how river temperatures in the basins might change by the year 2100. During the second half of the 20th century, observations indicate that river temperatures in the Fraser River are increasing and extreme temperatures are more frequent. This can negatively affect the reproductive fitness of Pacific salmon during their upstream migration to their spawning beds. The model projects that the observed warming trends will continue to 2100 and that the frequency of extremes, particularly temperatures above 18°C, will increase the risk to the salmon population. During mid summer, the model projects that the frequency of days with temperatures above 18°C will increase from 3.8 days per month now to 21 days per month by 2100. For the Lena River, the model projects that river temperatures will increase during the summer by 2.0°C-3.0°C by 2100, with the largest increase (approximately 4.5°C) at the mouth of the basin in late September. There are also changes in the timing of the peak summer river discharge which occurs earlier in the spring. This study is a useful starting point in understanding future water resource requirements and overall ecological fitness in the Fraser and Lena basins.
Note
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Ph.D.
Note
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Includes bibliographical references (p. 106-112).
Subject
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Topic
Environmental Sciences
Subject
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Hydrometeorology
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Topic
Climatic changes
Subject
(ID = SUBJ4);
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Topic
Fraser River (B.C.)
Subject
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Topic
Lena River (Russia)
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17469
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ETD_1241
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doi:10.7282/T3B56K24
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ETD doctoral
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Rights
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Copyright protected
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Open
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Michael Ferrari
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Rutgers University. Graduate School - New Brunswick
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Non-exclusive ETD license
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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