Pathways and hydrography in the Mesoamerican Barrier Reef System Part 2: Water masses and thermohaline structure

Carrillo, L.; Johns, E.M.; Smith, R.H.; Lamkin, J.T.; Largier, J.L.

doi:10.1016/j.csr.2016.03.014

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Pathways and hydrography in the Mesoamerican Barrier Reef System Part 2: Water masses and thermohaline structure

2016
By Carrillo, L. ; Johns, E.M. ; Smith, R.H. ; ...
Source: Continental Shelf Research, 120, 41-58

[PDF-2.05 MB]

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Journal Title:

Continental Shelf Research
Personal Author:

Carrillo, L. ; Johns, E.M. ; Smith, R.H. ; Lamkin, J.T. ; Largier, J.L.

Carrillo, L. ; Johns, E.M. ; Smith, R.H. ; Lamkin, J.T. ; Largier, J.L. Less -
NOAA Program & Office:

AOML (Atlantic Oceanographic and Meteorological Laboratory) ; NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) ; OAR (Oceanic and Atmospheric Research)

AOML (Atlantic Oceanographic and Meteorological Laboratory) ; NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) ; OAR (Oceanic and Atmospheric Research) Less -
Description:

Hydrographic data from two oceanographic cruises conducted during March 2006 and January/February 2007 are used to investigate the thermohaline structure related to the observed circulation along the Mesoamerican Barrier Reef System (MBRS). From our observations we identify three water masses in the MBRS: the Caribbean Surface Water (CSW), North Atlantic Subtropical Underwater (SUW), and Tropical Atlantic Central Water (TACW). Little vertical structure in temperature is observed in the upper 100 m of the water column, but important differences are observed in the salinity distribution both horizontally and with depth. Freshwater inputs to the system from the mainland can be traced in the surface layer, with two possible sources: one from surface rivers located along the southern portion of the MBRS, and the other originating from an underground river system located along the northern portion of the MBRS. The thermohaline structure in the MBRS reflects the dynamics of the observed circulation. Uplifted isopycnals along most of the central and northern coastline of the MBRS reflect the effects of the strong geostrophic circulation flowing northward, i.e. the Yucatan Current. To the south along the MBRS, much weaker velocities are observed, with the Honduras Gyre dominating the flow in this region as presented during January/February 2007. These two regions are separated by onshore and divergent alongshore flow associated with the impingement of the Cayman Current on the shore and the MBRS.
Keywords:

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Aquatic Science Geology Oceanography
Source:

Continental Shelf Research, 120, 41-58
DOI:

https://doi.org/10.1016/j.csr.2016.03.014
ISSN:

0278-4343
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PDF
Publisher:

Elsevier BV
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Journal Article
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Accepted Manuscript
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Library
Main Document Checksum:

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urn:sha-512:55c055ef37b3e439842e47177b8176d60dec048c436adbb5fa10dbe7e465ae2e76f3a72d4c1164aa8ac0e020a3de7297166d0184ebbed652dfa98e43770af70d
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https://repository.library.noaa.gov/view/noaa/63491/noaa_63491_DS1.pdf
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Pathways and hydrography in the Mesoamerican Barrier Reef System Part 2: Water masses and thermohaline structure

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