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{{short description|American geophysicist and marine geologist}} |
{{short description|American geophysicist and marine geologist}} |
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Revision as of 19:46, 3 February 2020
Tanya Marie Atwater | |
---|---|
Born | 1942 Los Angeles, California |
Nationality | American |
Education | Scripps Institution of Oceanography |
Scientific career | |
Fields | Tectonics Marine geology |
Institutions | University of California, Santa Barbara |
Thesis | Implications of Plate Tectonics for the Cenozoic Tectonic Evolution of Western North America (1972) |
Tanya Atwater (Born 1942) is an American geophysicist and marine geologist, who specializes in plate tectonics. She is particularly renowned for her early research on the plate tectonic history of western North America.
Early life and education
Atwater was born in Los Angeles, California on August 27, 1942.[1] Her father was an engineer and her mother was a botanist. She is one of four siblings. Atwater was one of the first women to research the ocean floor in terms of its Geology.[2]
Atwater began her education in 1960 at the Massachusetts Institute of Technology, then received her B.A. in Geophysics from the University of California, Berkeley in 1965.[3] She earned a Ph.D. (1972) in marine geophysics from Scripps Institution of Oceanography, University of California, San Diego. She is director of the University of California, Santa Barbara Educational Multimedia Visualization Center where she is an emerita professor of geological sciences. She was a professor at the Massachusetts Institute of Technology before joining the faculty at UCSB in 1980. Atwater retired from UCSB in 2007.[4]
Career
Atwater was a professor of tectonics, in the Department of Geological Sciences at the University of California, Santa Barbara before retiring. She authored and co-authored 50 articles in international journals, professional volumes, and major reports. Seven of these papers were published in the journals Nature or Science. In 1975, she became a fellow of the American Geophysical Union for her work in tectonophysics.[5] From 1975 to 1977, Atwater was a Sloan Postdoctoral Fellowship Recipient in Physics.[6] In 1984, she won the Encouragement Award from the Association for Women Geoscientists.[7] Atwater is a member of the National Academy of Sciences [8] for her contributions to marine geophysics and tectonics. In 2019 she received the highest award of the Geological Society of America, the Penrose Medal.[9]
Scientific discoveries
Atwater was involved in oceanographic expeditions using deep towed instruments to explore the ocean floor. To date, she has participated in 12 deep water dives in the deep-ocean submersible Alvin. She researched the volcano-tectonic processes responsible for creating new oceanic crust at seafloor spreading centers. In 1968, she co-authored a research paper featuring groundbreaking work into the faulted nature of spreading centers.[10] With Jack Corliss, Fred Spiess, and Kenneth Macdonald, she played key roles in expeditions that uncovered the distinct biology of ocean floor warm springs, which led to the discovery during the RISE project of the high temperature black smokers, undersea hydrothermal vents.
In Atwater's research on Propagating Rifts near the Galapagos Islands,[11] she discovered that propagating rifts were created when spreading centers along the seafloor were disturbed by tectonic movement or magma and therefore had to change direction to realign. This helped to explain the complex pattern of the seafloor.
Atwater is perhaps best known for her work on the plate tectonic history of western North America. She wrote two major research papers outlining the history of plate tectonic evolution of North America and tectonic problems of the San Andreas Fault, which assisted in documenting the history of the San Andreas Fault Line.[12]
She also studied geometric evolution, integrating and comparing the global plate motion records with the regional continental geologic records. She found emerging relationships that revealed the origins of many large-scale geologic features (e.g. Rocky Mountains, Yellowstone, Death Valley, Cascade volcanoes, California Coast Ranges).[8]
Atwater published a research paper, Implications of Plate Tectonics for the Cenozoic Tectonic Evolution of Western North America.[13] In her work, she explains that approximately 40 million years ago, the Farallon Plate was subducting underneath the North American Plate and the Pacific Plate. The lower half of the Farallon plate was entirely subducted under Southern California and the upper half did not sink, which eventually became known as the Juan de Fuca Plate.Since the southern section of Farallon completely disappeared, the boundary of southern California was now between the Pacific Plate and the North American Plate. The San Andreas Fault is unique because it acts as a major fault line as well as a border between the Pacific Plate and the North American Plate.[13] She updated this work in 1989.[14]
Atwater is interested in communication and education at all levels. She has developed electronic multi-media to enhance geologic visualization and understanding, particularly related to the histories of tectonic plates.[15]
Awards and honors
- 1975, Fellow, American Geophysical Union[16]
- 1980, AAAS Newcomb Cleveland Prize for top research article in the journal Science[17]
- 1997, elected to the National Academy of Sciences[18]
- 2002, National Science Foundation Director's Award for Distinguished Teaching Scholars. This award, of $300,000 over four years, is given to help and honor distinguished scientists who are working out ways to translate research into education. The money is meant to provide teaching scholars the opportunity to expand their work beyond their home institutions.[19]
- Leopold von Buch Medal, German Geosciences Society[17]
- 2019 Penrose Medal of the Geological Society of America.[20]
Selected works
- Menard, H. W., and Tanya Atwater, 1968, Changes in direction of sea floor spreading. Nature, v. 219, p. 463-467. Reprinted in Plate Tectonics and Geomagnetic Reversals, p. 412-419, W. H. Freeman Co. San Francisco, 1973.
- Atwater, Tanya, 1970, Implications of plate tectonics for the Cenozoic tectonic evolution of western North America. Bull. Geol. Soc. Amer., v. 81, p. 3513-3536. Reprinted in Plate Tectonics and Geomagnetic Reversals, p. 583-609, W. H. Freeman Co., San Francisco, 1973. Reprinted in U.C.S.D., Scripps Inst. Oceanography., Contributions, Vol. 40, Part 2, p. 1249–1271, 1970.
- Atwater, Tanya, and P. Molnar, 1973, Relative motion of the Pacific and North American plates deduced from seafloor spreading in the Atlantic, Indian and South Pacific Oceans. R. L. Kovach and A. Nur, eds., Proc. of the Conf. on Tectonic Problems of the San Andreas Fault, Geological Sciences, v. XIII, Stanford Univ., p. 136-148. •Reprinted in U.C.S.D., Scripps Inst. Oceanography., Contributions, Vol. 44, Part 2, p. 1362–1374, 1974.
- Atwater, Tanya, 1981, Propagating rifts in seafloor spreading patterns. Nature, v. 290, p. 185 186.
- Atwater, T., 1991, Tectonics of the Northeast Pacific, Transactions of the Royal Society of Canada, Series I, v. I, pp. 295–318.
- Atwater, T., 1998, Plate Tectonic History of Southern California with emphasis on the Western Transverse Ranges and Santa Rosa Island, in Weigand, P. W., ed., Contributions to the geology of the Northern Channel Islands, Southern California: American Association of Petroleum Geologists, Pacific Section, MP 45, p. 1-8.
See also
References
- ^ Atwater, Tanya. "Tanya Atwater". John A. Dutton e-Education Institute. Retrieved 11 November 2012.
- ^ Atwater 2017.
- ^ Gates, Alexander E. (2003), ""Atwater, Tanya"", A to Z of earth scientists, New York: Facts on File, pp. 10–12, ISBN 978-0816045808
- ^ "EMVC Web Page".
- ^ "Tanya M. Atwater". American Geophysical Union. Retrieved 2 December 2017.
- ^ ""Atwater, Tanya"". Postdoctoral Pathways: Preparation, Holding Pattern of Jumping off point?. Maryland: Johns Hopkins University Press. 2012. ISBN 978-1421403632.
- ^ Atwater2 2017.
- ^ a b "Tanya Atwater". National Academies of Science. Retrieved 1 December 2017.
- ^ "The Penrose Medal".
- ^ Menard, H.W.; Atwater, T.M. (1968). "Changes in direction of sea floor spreading". Nature. 219 (5153): 463–467. Bibcode:1968Natur.219..463M. doi:10.1038/219463a0.
- ^ Atwater, Tanya (1981). "Propagating rifts in seafloor spreading patterns". Nature. 290 (5803): 185–186. Bibcode:1981Natur.290..185A. doi:10.1038/290185a0.
- ^ Atwater, Tanya; Molnar, Peter (1973). "Relative motion of the Pacific and North American pates deduced from sea-floor spreading in the Atlantic, Indian and South Pacific Oceans". 13. R. L. Kovach and A. Nur, eds., Proc. of the Conf. on Tectonic Problems of the San Andreas Fault: Stanford University Publication: 136–148.
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(help) - ^ a b Atwater, Tanya (1970). "Implications of Plate Tectonics for the Cenozoic Tectonic Evolution of Western North America". Geological Society of America Bulletin. 81 (12): 3513–3536. Bibcode:1970GSAB...81.3513A. doi:10.1130/0016-7606(1970)81[3513:IOPTFT]2.0.CO;2.
- ^ Atwater, T. M. 1989. “Plate tectonic history of the northeast Pacific and western North America”. In The geology of North America: The northeastern Pacific Ocean and Hawaii, Edited by: Winterer, E. L., Hussong, D. M. and Decker, R. W. Vol. N, 21–72. Boulder, CO: Geol. Soc. Amer.
- ^ "Tanya Atwater Homepage". Tanya Atwater Home Page. Retrieved 13 August 2019.
- ^ "AGU Fellows". Retrieved 4 March 2014.
- ^ a b Atwater, Tanya. "Faculty Accolades Earth Sciences, UC Santa Barbara". Retrieved 4 March 2014.
- ^ "National Academy of Sciences, Member Directory".
- ^ "Calling all geologists: Put your mental pictures here". Geotimes. American Geological Institute. July 2002. Retrieved 12 December 2012.
- ^ "Atwater receives Penrose".
Further reading
- Dreyfus, Claudia (12 October 1999). "A conversation with/Tanya Atwater; She put the San Andreas Fault in its place". The New York Times. Retrieved 12 December 2012.
- Henderson, Andrea Kovacs (2009). "Atwater, Tanya Maria". American men & women of science : a biographical directory of today's leaders in physical, biological, and related sciences. Vol. 1 (26th ed.). Detroit, Mich.: Gale. p. 261. ISBN 978-1414433004.
- Atwater, Tanya, Tanya Atwater, John A. Dutton e-Education Institute, retrieved December 2, 2017
- "AGU Fellows". Retrieved 2 December 2017.
- Rossiter, Margaret W. (2012), Women Scientists in America: Forging a New World Since 1972, Johns Hopkins University Press, ISBN 978-1421403632
- Atwater, Tanya M. "Tanya M. Atwater Curriculum Vitae". John A. Dutton e-Education Institute. Retrieved December 2, 2017.
External links
- 1942 births
- Living people
- American geophysicists
- Marine geologists
- American women geologists
- Scientists from California
- Members of the United States National Academy of Sciences
- Massachusetts Institute of Technology faculty
- Scripps Institution of Oceanography alumni
- University of California, Berkeley alumni
- University of California, San Diego alumni
- University of California, Santa Barbara faculty
- 20th-century geologists
- 21st-century American geologists
- 20th-century American scientists
- 21st-century American scientists
- 20th-century women scientists
- 21st-century women scientists
- Women geophysicists