The 2019 Marine Heatwave at Ocean Station Papa: A Multi‐Disciplinary Assessment of Ocean Conditions and Impacts on Marine Ecosystems

Kohlman, Catherine; Cronin, Meghan F.; Dziak, Robert; Mellinger, David K.; Sutton, Adrienne; Galbraith, Moira; Robert, Marie; Thomson, Jim; Zhang, Dongxiao; Thompson, LuAnne

doi:10.1029/2023JC020167

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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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The 2019 Marine Heatwave at Ocean Station Papa: A Multi‐Disciplinary Assessment of Ocean Conditions and Impacts on Marine Ecosystems

2024
By Kohlman, Catherine ; Cronin, Meghan F. ; Dziak, Robert ; ...
Source: Journal of Geophysical Research: Oceans, 129(6)

[PDF-2.85 MB]

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Kohlman, Catherine ; Cronin, Meghan F. ; Dziak, Robert ; Mellinger, David K. ; Sutton, Adrienne ; ... More +

Kohlman, Catherine ; Cronin, Meghan F. ; Dziak, Robert ; Mellinger, David K. ; Sutton, Adrienne ; Galbraith, Moira ; Robert, Marie ; Thomson, Jim ; Zhang, Dongxiao ; Thompson, LuAnne Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

In the past decade, two large marine heatwaves (MHWs) formed in the northeast Pacific near Ocean Station Papa (OSP), one of the oldest oceanic time series stations. Physical, biogeochemical, and biological parameters observed at OSP from 2013 to 2020 are used to assess ocean response and potential impacts on marine life from the 2019 northeast Pacific MHW. The 2019 MHW reached peak surface and subsurface temperature anomalies in the summertime and had both coastal, impacting fisheries, and offshore consequences that could potentially affect multiple trophic levels in the Gulf of Alaska. In the Gulf of Alaska, the 2019 MHW was preceded by calm and stratified upper ocean conditions, which preconditioned the enhanced surface warming in late spring and early summer. The MHW coincided with lower dissolved inorganic carbon and higher pH of surface waters relative to the 2013–2020 period. A spike in the summertime chlorophyll followed by a decrease in surface macronutrients suggests increased productivity in the well‐lit stratified upper ocean during summer 2019. More blue whale calls were recorded at OSP in 2019 compared to the prior year. This study shows how the utility of long‐term, continuous oceanographic data sets and analysis with an interdisciplinary lens is necessary to understand the potential impact of MHWs on marine ecosystems.
Source:

Journal of Geophysical Research: Oceans, 129(6)
DOI:

https://doi.org/10.1029/2023JC020167
ISSN:

2169-9275;2169-9291;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha-512:2ccc8a7917a52fd696d5bfbbfe038e513a6a64980b2cff05a21b7b3a277ad7085835994d39ede72db8d98ea3218fde03265dc536e402af7bad8454a667e99e60
Download URL:

https://repository.library.noaa.gov/view/noaa/61847/noaa_61847_DS1.pdf
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The 2019 Marine Heatwave at Ocean Station Papa: A Multi‐Disciplinary Assessment of Ocean Conditions and Impacts on Marine Ecosystems

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