Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle

Kenneth S. Johnson, Joseph Needoba

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

It is now possible to make highly resolved vertical (Z x ∂2NO 3-/∂Z2 (KZ = vertical eddy diffusion coefficient). Water column regions exhibiting elevated nitrate uptake rates are identified from anomalies in the second derivatives of the vertical concentration profiles relative to the second derivative of conservative properties. The relationship between chlorophyll a fluorescence and the inferred productivity rates exhibits coherent spatial variability across the bay.

Original languageEnglish (US)
Pages (from-to)2237-2250
Number of pages14
JournalLimnology and Oceanography
Volume53
Issue number5 PART 2
StatePublished - Sep 2008

Fingerprint

autonomous underwater vehicle
sensors (equipment)
plankton
chemical derivatives
metabolism
nitrates
nitrate
sensor
oxygen
diffusivity
chlorophyll a
eddy
fluorescence
water column
uptake mechanisms
chlorophyll
anomaly
productivity
water
rate

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

Cite this

Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle. / Johnson, Kenneth S.; Needoba, Joseph.

In: Limnology and Oceanography, Vol. 53, No. 5 PART 2, 09.2008, p. 2237-2250.

Research output: Contribution to journalArticle

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