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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
221

A global and tropical quasi-decadal oscillation of the atmosphere and Ocean

Agard, John Vincent January 2011 (has links)
Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2011. / Cataloged from PDF version of thesis. / Includes bibliographical references (pages 72-75). / An oscillatory, quasi-periodic signal with a period of around 10 years was found in radiosonde- and satellite-measured datasets of lower stratospheric temperature. Power spectrum analysis and Fourier decomposition were used to characterize the temporal and vertical manifestations of the signal, while EOF analyses were used to analyze its spatial characteristics. The oscillation was found to be unrelated to the solar activity cycle, while it displayed coherence with similar oscillatory signals in ENSO, PDO and AMO indices, as well as with a quasi-decadal signal in SST data. Finally, the quasi-decadal signal in lower stratospheric temperature was found to have a small but measurable contribution to the signal of tropical cyclone potential intensity in the Atlantic MDR. / by John Vincent Agard. / S.B.
222

Computer modeling of a vertical array in a stratified ocean

Li, Lin January 1994 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1994. / GRSN 698569 / Includes bibliographical references (leaves 76-78). / by Lin Li. / M.S.
223

Charge separation associated with frost growth

Rydock, James Peter January 1989 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989. / Includes bibliographical references (leaves 114-115). / by James Peter Rydock. / M.S.
224

Hydrologic modelling of New England River basins using radar rainfall data

Wyss, Jonathan David January 1988 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1988. / Bibliography: p. 157-164. / by Jonathan David Wyss. / Ph.D.
225

I. Aspects of lithospheric evolution on Venus. ; II. Thermal and collisional histories of chondrite parent bodies

Grimm, Robert E. (Robert Earl) January 1989 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989. / Includes bibliographical references. / by Robert E. Grimm. / Ph.D.
226

Experimental study of clast orientation in gravels deposited by unidirectional flow

Danna, James G January 1985 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1985. / Microfiche copy available in Archives and Science. / Bibliography: leaves 83-84. / by James G. Danna. / M.S.
227

Climatic changes in temperature and salinity in the subtropical North Atlantic

Lavín Montero, Alicia María January 1993 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1993. / Includes bibliographical references (leaves 121-126). / by Alica María Lavín Montero. / M.S.
228

Edge analysis of seasonal variability in chlorophyll maps of the Black Sea

Deshpande, Ashwini G. (Ashwini Ganesh), 1977- January 2000 (has links)
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2000. / Includes bibliographical references (leaves 93-94). / The use of remotely sensed oceanographic data would be greatly benefited by being able to detect circulation features automatically through edge detection. In the Black Sea, the use of edge detection to identify fronts can be used to study the effects of river input on circulation patterns and biological and physical interactions. The use of edge detection on remotely sensed chlorophyll data is limited by noisy data, inaccurate measurements, temporal and spatial gaps in data, and limitations on computational power. The algorithm described in this thesis utilizes image processing techniques to create an edge detection process that shows the effects of the Danube river input on Black Sea circulation patterns with little computational complexity. / by Ashwini G. Deshpande. / S.M.
229

Early proterozoic (1.9 Ga) thrombolites of the Rocknest formation, Northwest Territories, Canada

Kah, Linda Christine January 1990 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1990. / Includes bibliographic references (leaves 23-27). / by Linda Christine Kah. / M.S.
230

Upper-mantle velocity structure beneath the western Philippine Sea plate from body waves, surface waves, and SCS reverberations

Kato, Mamoru January 1996 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1996. / Includes bibliographical references (leaves 78-84). / by Maoru Kato. / M.S.

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