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Subseasonal organization of ocean chlorophyll: prospects for prediction based on the Madden-Julian Oscillation

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posted on 2023-05-20, 13:46 authored by Waliser, DE, Murtugudde, R, Peter StruttonPeter Strutton, Li, J-L
Analysis of satellite ocean color and rainfall data shows that the Madden-Julian Oscillation (MJO) produces systematic and significant variations in ocean surface Chlorophyll (Chl) in a number of regions across the tropical Indian and Pacific Oceans, including the northern Indian Ocean, a broad expanse of the northwestern tropical Pacific Ocean, and a number of near-coastal areas in the far eastern Pacific Ocean. Potential mechanisms for this modulation are examined with the result that wind-induced vertical entrainment at the base of the ocean mixed layer appears to play an important role. Given evidence that the MJO is predictable with 2–3 week lead-times, surface Chl may also be predictable at similar lead times with implications for the fishing industry and public health sectors concerned with cholera epidemics.

History

Publication title

Geophysical Research Letters

Volume

32

Article number

L23602

Number

L23602

Pagination

1-4

ISSN

0094-8276

Department/School

Institute for Marine and Antarctic Studies

Publisher

Amer Geophysical Union

Place of publication

2000 Florida Ave Nw, Washington, USA, Dc, 20009

Rights statement

Copyright 2005 American Geophysical Union

Repository Status

  • Open

Socio-economic Objectives

Expanding knowledge in the earth sciences

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