Quantifying the Benefits of Altimetry Assimilation in Seasonal Forecasts of the Upper Ocean

Widlansky, Matthew J.; Long, Xiaoyu; Balmaseda, Magdalena A.; Spillman, Claire M.; Smith, Grant; Zuo, Hao; Yin, Yonghong; Alves, Oscar; Kumar, Arun

doi:10.1029/2022jc019342

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Quantifying the Benefits of Altimetry Assimilation in Seasonal Forecasts of the Upper Ocean

2023
By Widlansky, Matthew J. ; Long, Xiaoyu ; Balmaseda, Magdalena A. ; ...
Source: Journal of Geophysical Research: Oceans, 128(5)

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Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

Widlansky, Matthew J. ; Long, Xiaoyu ; Balmaseda, Magdalena A. ; Spillman, Claire M. ; Smith, Grant ; ... More +

Widlansky, Matthew J. ; Long, Xiaoyu ; Balmaseda, Magdalena A. ; Spillman, Claire M. ; Smith, Grant ; Zuo, Hao ; Yin, Yonghong ; Alves, Oscar ; Kumar, Arun Less -
NOAA Program & Office:

NWS (National Weather Service) ; OAR (Oceanic and Atmospheric Research) ; CIMAR (Cooperative Institute for Marine and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CPC (Climate Prediction Center) ; ... More +

NWS (National Weather Service) ; OAR (Oceanic and Atmospheric Research) ; CIMAR (Cooperative Institute for Marine and Atmospheric Research) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; CPC (Climate Prediction Center) ; NCEP (National Centers for Environmental Prediction) ; PSL (Physical Sciences Laboratory) Less -
Description:

Satellite altimetry measurements of sea surface height provide near-global ocean state observations on sub-monthly time scales, which are not always utilized by seasonal climate forecasting systems. As early as the mid-1990s, attempts were made to assimilate altimetry observations to initialize climate models. These experiments demonstrated improved ocean forecasting skill, especially compared to experiments that did not assimilate subsurface ocean temperature information. Nowadays, some operational climate forecasting models utilize altimetry in their assimilation systems, whereas others do not. Here, we assess the impact of altimetry assimilation on seasonal prediction skill of ocean variables in two climate forecasting systems that
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, 128(5)
DOI:

https://doi.org/10.1029/2022jc019342
ISSN:

2169-9275;2169-9291;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Funding:

Grant no. NA17OAR4310110
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Main Document Checksum:

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urn:sha256:f06ad72877ef9318b9b05f19220496d189dd934a714889c253915d8c6dd49cf3
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https://repository.library.noaa.gov/view/noaa/55046/noaa_55046_DS1.pdf
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