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Mesoscale variability on the New Jersey shelf
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
Mesoscale variability on the New Jersey shelf
SubTitle
effects of topography, seasons, winds, and offshore forcing on circulation, hydrography, and transport
Identifier
ETD_2874
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000056356
Language
LanguageTerm
(authority = ISO639-2);
(type = code)
eng
Genre
(authority = marcgt)
theses
Subject
(ID = SBJ-1);
(authority = RUETD)
Topic
Oceanography
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Continental shelf--New Jersey
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Continental slopes--New Jersey
Subject
(ID = SBJ-4);
(authority = ETD-LCSH)
Topic
Ocean circulation--New Jersey
Abstract
(type = abstract)
Continental shelf transport and shelf-slope exchange processes are driven by a combination of meteorological, oceanographic and topographic forcing mechanisms. The varied response of the water column to particular forcing combinations can lead to either cross-shelf dominated or along-shelf dominated shelf transport on different time scales. Using data from a coastal ocean observatory, this study investigates how different physical forcing mechanisms such as changing seasons, wind stress, storms, slopewater eddies/rings, river plumes and large scale alongshelf forcing affect the hydrography and circulation at the mid- to outer New Jersey Shelf. The NJ Shelf undergoes large changes in stratification from well mixed during the winter to highly stratified during the summer. The stratification controls the response of the water column to wind forcing. The wind-driven surface flow oscillates between being alongâshelf dominated during spring and autumn, and cross-shelf dominated during winter and summer. Cross-shelf transport takes place on the time scale of 1 to 5 weeks. When multiple watermasses converge at the shelf-slope front (SSF), complex hydrographic patterns and flow behaviors can emerge, especially during the stratified summer season. The SSF has a characteristic along-shelf scale of 10-30 km and a characteristic cross-shelf scale of 5-20 km. The different types of slopewater salinity intrusions at the outershelf drive the variability of the SSF and stratification on tidal to intra-seasonal time scales. Four types of salinity intrusions outlining the SSF were identified based their hydrographic properties. Along-shelf wind stress affects the location of the foot of the front, river discharge and offshore eddies affect the strength of surface and pycnocline intrusions. Eddies can also drive frontal movement and influence secondary circulation below the pycnocline. Upwelling and downwelling associated with the SSF connect the bottom boundary layer with the pycnocline, bringing heat and salt into the water column interior. Tropical and extra-tropical storms at the beginning of the autumn entrain the heat and salt advected onto the shelf through vigorous transport and mixing, marking the beginning of transition from a summer stratified to a winter well-mixed regime.
PhysicalDescription
Form
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electronic resource
Extent
xvi, 162 p. : ill.
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application/pdf
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text/xml
Note
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Ph.D.
Note
(type = bibliography)
Includes bibliographical references
Note
(type = vita)
Includes vita
Note
(type = statement of responsibility)
by Donglai Gong
Name
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Gong
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Donglai
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1977-
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author
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Donglai Gong
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Glenn
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(type = given)
Scott
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chair
Affiliation
Advisory Committee
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Scott Glenn
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(type = personal)
NamePart
(type = family)
Wilkin
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(type = given)
John
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co-chair
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Advisory Committee
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John Wilkin
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NamePart
(type = family)
Schofield
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(type = given)
Oscar
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internal member
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Advisory Committee
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Oscar Schofield
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(type = personal)
NamePart
(type = family)
Chant
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Robert
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internal member
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Advisory Committee
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Robert Chant
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Gawarkiewicz
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Glen
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outside member
Affiliation
Advisory Committee
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Glen Gawarkiewicz
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NamePart
Rutgers University
Role
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degree grantor
Name
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NamePart
Graduate School - New Brunswick
Role
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school
OriginInfo
DateCreated
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2010
DateOther
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2010-10
Place
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(type = code)
xx
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
(type = local)
rucore19991600001
Location
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T37W6BZ6
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
RightsDeclaration
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(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
RightsHolder
(ID = PRH-1);
(type = personal)
Name
FamilyName
Gong
GivenName
Donglai
Role
Copyright Holder
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Type
Permission or license
DateTime
2010-09-17 22:28:55
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Copyright holder
Name
Donglai Gong
Affiliation
Rutgers University. Graduate School - New Brunswick
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License
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Author Agreement License
Detail
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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Technical
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ETD
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application/pdf
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application/x-tar
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61173760
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