Pelagic Sargassum in the Gulf of Mexico driven by ocean currents and eddies

Zhang, Y.; Hu, C.; McGillicuddy, D.J.; Barnes, B.B.; Liu, Y.; Kourafalou, V.H.; Zhang, S.; Hernandez, F.J.

doi:10.1016/j.hal.2023.102566

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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.

i

Pelagic Sargassum in the Gulf of Mexico driven by ocean currents and eddies

2024
By Zhang, Y. ; Hu, C. ; McGillicuddy, D.J. ; ...
Source: Harmful Algae 132 (2024) 102566

Details You May Also Like

Details:

Journal Title:

Harmful Algae
Personal Author:

Zhang, Y. ; Hu, C. ; McGillicuddy, D.J. ; Barnes, B.B. ; Liu, Y. ; ... More +

Zhang, Y. ; Hu, C. ; McGillicuddy, D.J. ; Barnes, B.B. ; Liu, Y. ; Kourafalou, V.H. ; Zhang, S. ; Hernandez, F.J. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service) ; NCCOS (National Centers for Coastal Ocean Science) ; DWH (Deepwater Horizon)

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service) ; NCCOS (National Centers for Coastal Ocean Science) ; DWH (Deepwater Horizon) Less -
Description:

Pelagic Sargassum in the Gulf of Mexico (GoM) plays an important role in ocean biology and ecology, yet our knowledge of its origins and transport pathways is limited. Here, using satellite observations of Sargassum areal density and ocean surface currents between 2000 and 2023, we show that large amounts of Sargassum in the GoM can either originate from the northwestern GoM or be a result of physical transport from the northwestern Caribbean Sea, both with specific transport pathways. Sargassum of the northwestern GoM can be transported to the eastern GoM by ocean currents and eddies, eventually entering the Sargasso Sea. Sargassum entering the GoM from the northwestern Caribbean Sea can be transported in three different directions, with the northward and eastward transports governed by the Loop Current System (LCS) and westward transport driven by the westward extension of the LCS, the propagation or relaying of ocean eddies, the wind-driven westward currents on the Campeche Bank with or without eddies, and the westward currents with/without currents associated with eddies in the northern/central GoM. Overall, the spatial distribution patterns of pelagic Sargassum in the GoM are strongly influenced by the LCS and relevant eddies.
Keywords:

[+]

Ocean Currents Sargassum Loop Current System Satellite Observations
Source:

Harmful Algae 132 (2024) 102566
DOI:

https://doi.org/10.1016/j.hal.2023.102566
Format:

PDF
Document Type:

Journal Article
Funding:

Grant no. NA23NOS4780291 ; Grant no. NA17NOS4510099

Grant no. NA23NOS4780291 ; Grant no. NA17NOS4510099 Less -
Place as Subject:

Mexico, Gulf of ; Caribbean Sea

Mexico, Gulf of ; Caribbean Sea Less -
Rights Information:

Accepted Manuscript
Rights Statement:

The NOAA IR provides access to this content under the authority of the government's retained license to distribute publications and data resulting from federal funding. While users may legally access this content, the copyright owners retain rights that govern the reproduction, redistribution, and re-use of this work. The user is solely responsible for complying with applicable copyright law.
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha-512:fa7f0fd4fdcb303dd5ba3f39c17d3fbf1fbabebd5e1880803a25499b7274def1813b4aed395f721e5c1331d1bf14d03c3c177aeb871acc3d2a5ec8f6a84e7935
Download URL:

https://repository.library.noaa.gov/view/noaa/56902/noaa_56902_DS1.pdf
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[PDF-2.60 MB]