Seaglider surveys at O cean S tation P apa: Diagnosis of upper‐ocean heat and salt balances using least squares with inequality constraints

Pelland, Noel A.; Eriksen, Charles C.; Cronin, Meghan F.

doi:10.1002/2017JC012821

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Seaglider surveys at O cean S tation P apa: Diagnosis of upper‐ocean heat and salt balances using least squares with inequality constraints

2017
By Pelland, Noel A. ; Eriksen, Charles C. ; Cronin, Meghan F.
Source: Journal of Geophysical Research: Oceans, 122(6), 5140-5168

[PDF-3.83 MB]

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Details:

Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Pelland, Noel A. ; Eriksen, Charles C. ; Cronin, Meghan F.

Pelland, Noel A. ; Eriksen, Charles C. ; Cronin, Meghan F. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; AFSC (Alaska Fisheries Science Center) ; JISAO (Joint Institute for the Study of the Atmosphere and Ocean) ; PMEL (Pacific Marine Environmental Laboratory)

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; AFSC (Alaska Fisheries Science Center) ; JISAO (Joint Institute for the Study of the Atmosphere and Ocean) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

Heat and salt balances in the upper 200 m are examined using data from Seaglider spatial surveys June 2008 to January 2010 surrounding a NOAA surface mooring at Ocean Station Papa (OSP; 50 8N, 145 8W). A least-squares approach is applied to repeat Seaglider survey and moored measurements to solve for unknown or uncertain monthly three-dimensional circulation and vertical diffusivity. Within the surfaceboundary layer, the estimated heat and salt balances are dominated throughout the surveys by turbulent ﬂux, vertical advection, and for heat, radiative absorption. When vertically integrated balances are consid- ered, an estimated upwelling of cool water balances the net surface input of heat, while the correspondinglarge import of salt across the halocline due to upwelling and diffusion is balanced by surface moisture input and horizontal import of fresh water. Measurement of horizontal gradients allows the estimation of
Keywords:

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Earth And Planetary Sciences (miscellaneous) Geochemistry And Petrology Geophysics Oceanography Space And Planetary Science
Source:

Journal of Geophysical Research: Oceans, 122(6), 5140-5168
DOI:

https://doi.org/10.1002/2017JC012821
ISSN:

2169-9275;2169-9291;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Library
Main Document Checksum:

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urn:sha256:e97bd26c82830b6b7e119d24e9da1cb57c43658fa8700f1c88ac287e141a3c8b
Download URL:

https://repository.library.noaa.gov/view/noaa/54320/noaa_54320_DS1.pdf
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