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Author
Shropshire, T. ; Morey, S. L. ; Chassignet, E. P. ; Bozec, A. ; Coles, V.J. ; Landry, M.R. ; Swalethorp, R. ; Zapfe, G. and Stukel, M.R.
Title
Quantifying spatiotemporal variability in zooplankton dynamics in the Gulf of Mexico with a physical-biogeochemical model
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$loc['typeJournal Article']
Year
2019
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Zooplankton play an important role in global biogeochemistry and their secondary production supports valuable fisheries of the world's oceans. Currently, zooplankton abundances cannot be estimated using remote sensing techniques. Hence, coupled physical-biogeochemical models (PBMs) provide an important tool for studying zooplankton on regional and global scales. However, evaluating the accuracy of zooplankton abundance estimates from PBMs has been a major challenge as a result of sparse observations. In this study, we configure a PBM for the Gulf of Mexico (GoM) from 1993�2012 and validate the model against an extensive combination of in situ biomass and rate measurements including total mesozooplankton biomass, size-fractionated mesozooplankton biomass and grazing rates, microzooplankton specific grazing rates, surface chlorophyll, deep chlorophyll maximum depth, phytoplankton specific growth rates, and net primary production. Spatial variability in mesozooplankton biomass climatology observed in a multi-decadal database for the northern GoM is well resolved by the model with a statistically significant (p < 0.01) correlation of 0.90. Mesozooplankton secondary production for the region averaged 66 + 8 mt C yr−1 equivalent to approximately 10 % of NPP and ranged from 51 to 82 mt C yr−1. In terms of diet, model results from the shelf regions suggest that herbivory is the dominant feeding mode for small mesozooplankton (< 1-mm) whereas larger mesozooplankton are primarily carnivorous. However, in open-ocean, oligotrophic regions, both groups of mesozooplankton have proportionally greater reliance on heterotrophic protists as a food source. This highlights the important role of microbial and protistan food webs in sustaining mesozooplankton biomass in the GoM which serves as the primary food source for early life stages of many commercially-important fish species, including tuna.
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$loc['no']
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COAPS @ user @
Serial
1095
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Author
Smith, S. R.
Title
Progress of the Shipboard Automated Meteorological and Oceanographic System (SAMOS) initiative
Type
$loc['typeReport']
Year
2006
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cdrom
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Climate Observation Program 4th Annual System Review, NOAA, Silver Spring, MD, USA
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$loc['no']
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COAPS @ mfield @
Serial
934
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Author
Smith, S. R.
Title
A Comparison of SAMOS and Bridge Observations on Research Vessels
Type
$loc['typeConference Article']
Year
2006
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1st Joint GOSUD SAMOS Workshop, NOAA, Boulder, CO, USA
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NOAA
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$loc['no']
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COAPS @ mfield @
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936
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Author
Smith, S. R.
Title
Collaboration between Shipboard Oceanic and Atmospheric Data Programs
Type
$loc['typeMagazine Article']
Year
2006
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EOS
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87
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463,466
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NOAA
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$loc['no']
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COAPS @ mfield @
Serial
938
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Author
Smith, S. R.
Title
Shipboard Automated Meteorological and Oceanographic System (SAMOS) Initiative
Type
$loc['typeReport']
Year
2005
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cdrom
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World Meteorological Organization
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3rd Session of the JCOMM Ship Observation Team
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$loc['no']
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COAPS @ mfield @
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898
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Author
Smith, S. R.
Title
Shipboard Automated Meteorological and Oceanographic Systems: A Key Component of an Ocean Observing System
Type
$loc['typeConference Article']
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2005
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9th Symposium on Integrated Observing and Assimilation Systems of Atmosphere, Oceans, and Land Surfaces, American Meteorological Society, San Diego, California, USA
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cdrom
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NOAA
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$loc['no']
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COAPS @ mfield @
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900
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Author
Smith, S. R.
Title
Report from the 2nd workshop on high-resolution marine meteorology
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$loc['typeReport']
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2004
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31
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Center for Ocean-Atmospheric Prediction Studies, Florida State University
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Tallahassee, FL
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COAPS Technical Report 04-01
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NOAA
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$loc['no']
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COAPS @ mfield @
Serial
883
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Author
Smith, S. R.
Title
Surface Meteorology from Research Vessels
Type
$loc['typeReport']
Year
2004
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GSOP Report on Ocean Observations, International CLIVAR Project Office, UK
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NOAA
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$loc['no']
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COAPS @ mfield @
Serial
888
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Author
Smith, S. R.
Title
The Shipboard Automated Meteorological and Oceanographic Systems (SAMOS) Initiative
Type
$loc['typeConference Article']
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2004
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2004 meeting of the UNOLS Research Vessel Technical Enhancement Committee, UNOLS, St. Petersburg, Florida, USA
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$loc['no']
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COAPS @ mfield @
Serial
889
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Author
Smith, S. R.
Title
Automated marine weather observations on research vessels as part of an ocean observing system
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$loc['typeConference Article']
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cdrom
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Symposium on Forecasting the Weather and Climate of the Atmosphere and Ocean, American Meteorological Society, Seattle, WA, USA
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NOAA
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$loc['no']
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COAPS @ mfield @
Serial
891
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