Oceanic heat content variability in Eastern Pacific ocean

Jodi K. Brewster, Lynn K Shay

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The eastern Pacific Ocean basin responds to both short-term weather events such as hurricanes (Raymond et al. 2004) and gap winds (Kessler 2002), as well as forming the Costa Rica Dome (Hofmann et al. 1981) through the mean wind stress and curl. The EPIC data acquired during EPIC in addition to the TAO moorings (Cronin et al. 2002) and satellite altimetry must be used to improve our understanding of the effects of transient and mean wind conditions on the upper ocean and assess the impact of warm rings on atmospheric processes. Imp licit in satellite algorithms is the acquisition ocean structure measurements including the moored TAO array data (Cronin et al. 2002). The integrated thermal structure (OHC) is a more effective measure of the ocean's influence on storm intensity than just SST. In this context, upper ocean structure must be accurately accounted for in the models with realistic ocean mixing parameterization schemes based on measurements. While thin OML deepen and cool quickly through shear instability (Price 1981; Shay 2001; Jacob et al. 2000) and induce negative feedback to the atmosphere, the strong stratification at the base of the OML and the long inertial periods of 2 to 3 days may preclude significant cooling during genesis and passage over the EPAC warm pool. Thus, mo re heat is available to the storm or reduced negative feedback as the upper ocean does not significantly cool that quickly.

Original languageEnglish (US)
Title of host publication27th Conference on Hurricanes and Tropical Meteorology
StatePublished - 2006
Event27th Conference on Hurricanes and Tropical Meteorology - Monterey, CA, United States
Duration: Apr 24 2006Apr 26 2006

Other

Other27th Conference on Hurricanes and Tropical Meteorology
CountryUnited States
CityMonterey, CA
Period4/24/064/26/06

Fingerprint

Ocean structures
upper ocean
Enthalpy
Satellites
Wind stress
Feedback
Mooring
Hurricanes
Domes
ocean
Parameterization
warm pool
satellite altimetry
thermal structure
ocean basin
Cooling
wind stress
hurricane
dome
parameterization

ASJC Scopus subject areas

  • Environmental Engineering
  • Global and Planetary Change

Cite this

Brewster, J. K., & Shay, L. K. (2006). Oceanic heat content variability in Eastern Pacific ocean. In 27th Conference on Hurricanes and Tropical Meteorology

Oceanic heat content variability in Eastern Pacific ocean. / Brewster, Jodi K.; Shay, Lynn K.

27th Conference on Hurricanes and Tropical Meteorology. 2006.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Brewster, JK & Shay, LK 2006, Oceanic heat content variability in Eastern Pacific ocean. in 27th Conference on Hurricanes and Tropical Meteorology. 27th Conference on Hurricanes and Tropical Meteorology, Monterey, CA, United States, 4/24/06.
Brewster JK, Shay LK. Oceanic heat content variability in Eastern Pacific ocean. In 27th Conference on Hurricanes and Tropical Meteorology. 2006
Brewster, Jodi K. ; Shay, Lynn K. / Oceanic heat content variability in Eastern Pacific ocean. 27th Conference on Hurricanes and Tropical Meteorology. 2006.
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AB - The eastern Pacific Ocean basin responds to both short-term weather events such as hurricanes (Raymond et al. 2004) and gap winds (Kessler 2002), as well as forming the Costa Rica Dome (Hofmann et al. 1981) through the mean wind stress and curl. The EPIC data acquired during EPIC in addition to the TAO moorings (Cronin et al. 2002) and satellite altimetry must be used to improve our understanding of the effects of transient and mean wind conditions on the upper ocean and assess the impact of warm rings on atmospheric processes. Imp licit in satellite algorithms is the acquisition ocean structure measurements including the moored TAO array data (Cronin et al. 2002). The integrated thermal structure (OHC) is a more effective measure of the ocean's influence on storm intensity than just SST. In this context, upper ocean structure must be accurately accounted for in the models with realistic ocean mixing parameterization schemes based on measurements. While thin OML deepen and cool quickly through shear instability (Price 1981; Shay 2001; Jacob et al. 2000) and induce negative feedback to the atmosphere, the strong stratification at the base of the OML and the long inertial periods of 2 to 3 days may preclude significant cooling during genesis and passage over the EPAC warm pool. Thus, mo re heat is available to the storm or reduced negative feedback as the upper ocean does not significantly cool that quickly.

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