A data-assimilative model reanalysis of the U.S. Mid Atlantic Bight and Gulf of Maine: Configuration and comparison to observations and global ocean models

Wilkin, J.; Levin, J.; Moore, A.; Arango, H.; López, A.; Hunter, E.

doi:10.1016/j.pocean.2022.102919

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A data-assimilative model reanalysis of the U.S. Mid Atlantic Bight and Gulf of Maine: Configuration and comparison to observations and global ocean models

2022
By Wilkin, J. ; Levin, J. ; Moore, A. ; ...
Source: Progress in Oceanography 209 (2022) 102919

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Journal Title:

Progress in Oceanography
Personal Author:

Wilkin, J. ; Levin, J. ; Moore, A. ; Arango, H. ; López, A. ; ... More +

Wilkin, J. ; Levin, J. ; Moore, A. ; Arango, H. ; López, A. ; Hunter, E. Less -
NOAA Program & Office:

CINAR (Cooperative Institute for the North Atlantic Region)
Description:

A 15-year reanalysis (2007–2021) of circulation in the coastal ocean and adjacent deep sea of the northeast U.S. continental shelf is described. The analysis uses the Regional Ocean Modeling System (ROMS) and four-dimensional variational (4D-Var) data assimilation (DA) of observations from in situ platforms, coastal radars, and satellites. The reanalysis downscales open boundary information from the Copernicus Marine Environmental Monitoring Service (CMEMS) global analysis. The dynamic model is forced by regional meteorological analyses, observed daily river discharges, and harmonic tides that augment the open boundary conditions. To highlight the utility of the analysis to inform studies related to coastal sea level variability and marine ecosystems, comparisons are made to unassimilated coastal sea level gauges and novel observations from sensors on fishing gear. The assimilation of coastal satellite altimetry data produces coastal sea level results that are coherent with observations across all time scales from interannual to tidal, while bias and correlation metrics show that bottom temperatures in regions of commercial fishing activity in the Mid-Atlantic Bight and the Gulf of Maine are modeled well.
Keywords:

[+]

Climatology Sea Level Bottom Temperature Coastal Circulation Data Assimilation Numerical Modeling
Source:

Progress in Oceanography 209 (2022) 102919
DOI:

https://doi.org/10.1016/j.pocean.2022.102919
Format:

PDF
Document Type:

Journal Article
Funding:

Grant no. NA16NOS0120020
Place as Subject:

Mid-Atlantic Bight ; Maine, Gulf of

Mid-Atlantic Bight ; Maine, Gulf of Less -
License:

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

CC BY
Compliance:

Submitted
Main Document Checksum:

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urn:sha256:8512a338575ccea63a9d425c5e1fafa5545dc2c514652d1092df2251f0fdd2f8
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https://repository.library.noaa.gov/view/noaa/51838/noaa_51838_DS1.pdf
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A data-assimilative model reanalysis of the U.S. Mid Atlantic Bight and Gulf of Maine: Configuration and comparison to observations and global ocean models

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