The influence of a Gulf Stream meander on the distribution of zooplankton biomass in the Slope Water, the Gulf Stream, and the Sargasso Sea, described using a shipboard acoustic Doppler current profiler

Carin J. Ashjian, Sharon L Smith, Charles N. Flagg, Arthur J Mariano, William J. Behrens, Peter V Z Lane

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Patterns in zooplankton biomass distribution in a Gulf Stream meander were documented using a ship-mounted acoustic Doppler current profiler (ADCP) in fall 1988 as part of the BIOSYNOP program. The dominant signal in biomass was the regional variation between water masses, with greatest biomass recorded in the Slope Water, intermediate biomass at the Slope Water-Gulf Stream front, and lowest biomass in the Gulf Stream/Sargasso Sea. Biomass was more variable in the Slope Water than in the Sargasso Sea. Diel variation, a consequence of diel vertical migration, was also observed. Comprehensive maps of the surveyed region documented meander associated enhancement of zooplantkton biomass. Elevated biomasswas documented in the region downstream of the meander crest, where determined of Slope Water and convergence of flow are hypothezised to occur. The ADCP was demonstrated to be an effective means of documenting patterns in zooplankton biomass, including estimates of the variabiity (patchiness).

Original languageEnglish
Pages (from-to)23-50
Number of pages28
JournalDeep-Sea Research Part I
Volume41
Issue number1
DOIs
StatePublished - Jan 1 1994

Fingerprint

Sargasso Sea
Gulf Stream
Acoustic Doppler Current Profiler
meander
acoustics
zooplankton
biomass
water
diel variation
distribution
sea
gulf
patchiness
intermediate water
vertical migration
ships
water mass

ASJC Scopus subject areas

  • Aquatic Science
  • Geology
  • Oceanography
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

The influence of a Gulf Stream meander on the distribution of zooplankton biomass in the Slope Water, the Gulf Stream, and the Sargasso Sea, described using a shipboard acoustic Doppler current profiler. / Ashjian, Carin J.; Smith, Sharon L; Flagg, Charles N.; Mariano, Arthur J; Behrens, William J.; Lane, Peter V Z.

In: Deep-Sea Research Part I, Vol. 41, No. 1, 01.01.1994, p. 23-50.

Research output: Contribution to journalArticle

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