Five years’ central pacific sea level from in situ array, satellite altimeter and numerical model: Research note

Kathleen A. Donohue; Mark Wimbush; Xiaoli Zhu; Stephen M. Chiswell; Roger Lukas; Harley E. Hurlburt

doi:10.1080/07055900.1994.9649509

Five years’ central pacific sea level from in situ array, satellite altimeter and numerical model: Research note

Kathleen A. Donohue, Mark Wimbush, Xiaoli Zhu, Stephen M. Chiswell, Roger Lukas, Harley E. Hurlburt

Research output: Contribution to journal › Article › peer-review

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Abstract

Temporal and spatial features of central equatorial Pacific Ocean sea‐level variation appear similar, in measurements from two very different systems (one in the ocean and one carried on a satellite), and in results from a numerical model of the region. In particular, there is an interannual cycle: during El Nino, Kelvin waves appear at the equator, and the sea‐surface ridge associated with the equatorial current system shifts southward; in non‐El Nino years, instability waves appear at 6°N (strongest around the end of each calendar year), and the ridge shifts to the north. This three‐way comparison gives support to both measurement systems and to the numerical model.

Original language	English
Pages (from-to)	495-506
Number of pages	12
Journal	Atmosphere - Ocean
Volume	32
Issue number	2
DOIs	https://doi.org/10.1080/07055900.1994.9649509
State	Published - Jun 1 1994
Externally published	Yes

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title = "Five years{\textquoteright} central pacific sea level from in situ array, satellite altimeter and numerical model: Research note",

abstract = "Temporal and spatial features of central equatorial Pacific Ocean sea‐level variation appear similar, in measurements from two very different systems (one in the ocean and one carried on a satellite), and in results from a numerical model of the region. In particular, there is an interannual cycle: during El Nino, Kelvin waves appear at the equator, and the sea‐surface ridge associated with the equatorial current system shifts southward; in non‐El Nino years, instability waves appear at 6°N (strongest around the end of each calendar year), and the ridge shifts to the north. This three‐way comparison gives support to both measurement systems and to the numerical model.",

author = "Donohue, {Kathleen A.} and Mark Wimbush and Xiaoli Zhu and Chiswell, {Stephen M.} and Roger Lukas and Hurlburt, {Harley E.}",

note = "Funding Information: This research was supported by grants from the National Science Foundation (OCE- 8717195, OCE-8917485, OCE-9012986), the National Oceanic and Atmosphenc Administration (NA8SAABAC-092) and the Office of Naval Research (61 153N, 62435N).",

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doi = "10.1080/07055900.1994.9649509",

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T1 - Five years’ central pacific sea level from in situ array, satellite altimeter and numerical model

T2 - Research note

AU - Donohue, Kathleen A.

AU - Wimbush, Mark

AU - Zhu, Xiaoli

AU - Chiswell, Stephen M.

AU - Lukas, Roger

AU - Hurlburt, Harley E.

N1 - Funding Information: This research was supported by grants from the National Science Foundation (OCE- 8717195, OCE-8917485, OCE-9012986), the National Oceanic and Atmosphenc Administration (NA8SAABAC-092) and the Office of Naval Research (61 153N, 62435N).

PY - 1994/6/1

Y1 - 1994/6/1

N2 - Temporal and spatial features of central equatorial Pacific Ocean sea‐level variation appear similar, in measurements from two very different systems (one in the ocean and one carried on a satellite), and in results from a numerical model of the region. In particular, there is an interannual cycle: during El Nino, Kelvin waves appear at the equator, and the sea‐surface ridge associated with the equatorial current system shifts southward; in non‐El Nino years, instability waves appear at 6°N (strongest around the end of each calendar year), and the ridge shifts to the north. This three‐way comparison gives support to both measurement systems and to the numerical model.

AB - Temporal and spatial features of central equatorial Pacific Ocean sea‐level variation appear similar, in measurements from two very different systems (one in the ocean and one carried on a satellite), and in results from a numerical model of the region. In particular, there is an interannual cycle: during El Nino, Kelvin waves appear at the equator, and the sea‐surface ridge associated with the equatorial current system shifts southward; in non‐El Nino years, instability waves appear at 6°N (strongest around the end of each calendar year), and the ridge shifts to the north. This three‐way comparison gives support to both measurement systems and to the numerical model.

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Five years’ central pacific sea level from in situ array, satellite altimeter and numerical model: Research note

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