RRS Discovery Cruise 227, 15 Apr-16 May 1997. Plankton patchiness studies by ship and satellite: P2S3


Srokosz, M.A. (1997) RRS Discovery Cruise 227, 15 Apr-16 May 1997. Plankton patchiness studies by ship and satellite: P2S3. Southampton, UK, Southampton Oceanography Centre, 76pp. (Southampton Oceanography Centre Cruise Report, 12).

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Description/Abstract

This report describes RRS Discovery Cruise No. 227, which was carried out to measure plankton patchiness in the eastern North Atlantic (in the area of 16-20˚W, 47-49˚N), during the period 15 April to 16 May 1997 (the time of the spring bloom). Meteorological, physical, optical, chemical and biological measurements were made using a combination of underway sampling (MultiMet, ADCP, TSG, fluorimeter, nutrients), towed instrumentation (SeaSoar, OPC, Lightfish, LHPR) and on station sampling (CTD, nitrate sensor, water bottles, Satlantic light sensors, vertical nets). Two large scale surveys, and three small scale surveys were carried out during the cruise. Patchiness in both the phytoplankton (measured by the SeaSoar fluorimeter) and the zooplankton (measured by the OPC) distributions was observed. Satellite SST data (from AVHRR) were received in near real time during the cruise, which aided the interpretation of the ship-based observations. Data acquired during the cruise were assimilated into a coupled bio-physical model, which was run on the ship, in an attempt to provide near real time forecasts of the ocean biology and physics in the survey area.

Item Type: Monograph (Other)
Keywords: ADCP, algal bloom, AVHRR, bio-optics, biological-physical interactions, cruise 227 1997, CTD, currents, data assimilation, Discovery, eastern North Atlantic, infra-red imagery, meteorology, near real time modelling, nitrate sensor, nutrients, ocean colour, OPC, plankton patchiness, satellite altimetry, satellite data, SEASOAR, surface temperature, vertical nets
Subjects: G Geography. Anthropology. Recreation > GC Oceanography
Divisions: University Structure - Pre August 2011 > National Oceanography Centre (NERC)
ePrint ID: 309
Date Deposited: 30 Jan 2004
Last Modified: 27 Mar 2014 17:59
URI: http://eprints.soton.ac.uk/id/eprint/309

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