Temperature Advection by Tropical Instability Waves
نویسندگان
چکیده
منابع مشابه
Temperature Advection by Tropical Instability Waves
A numerical model of the tropical Pacific Ocean is used to investigate the processes that cause the horizontal temperature advection of tropical instability waves (TIWs). It is found that their temperature advection cannot be explained by the processes on which the mixing length paradigm is based. Horizontal mixing of temperature across the equatorial SST front does happen, but it is small rela...
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Velocity data from moored current meters is combined with satellite sea surface temperature (SST) to compute oceanic mixed layer temperature advection by Tropical Instability Waves (TIWs). For the years 2002 to 2005 it is found that this process heats the equatorial mixed layer at an annual mean rate of + 0.8 ◦C/month at 0◦N, 140◦W and + 2.8 ◦C/month at 0◦N, 110◦W. At 0◦N, 110◦W, approximately ...
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Barometric pressure, surface temperature, and wind time series in the eastern equatorial Pacific are analyzed to determine if oceanic tropical instability wave (TIW) sea surface temperature variations cause barometric pressure gradients large enough to influence the atmospheric boundary layer. During the study period from April 2001 to September 2002, 11 TIWs propagated westward past 110!W, cau...
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Tropical Instability Waves (TIW) have been suggested to fertilize the equatorial Pacific in iron leading to enhanced ecosystem activity. Using a coupled dynamical–biogeochemical model, we show that contrary to this suggestion, TIWs induce a decrease of iron concentration by 20% at the equator and by about 3% over the “TIW box” [90°W180, 5°N-5°S]. Chlorophyll decreases by 10% at the equator and ...
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Tropical instability waves (TIWs) are detected in remotely-sensed sea surface height (SSH), temperature (SST), and wind records of the eastern equatorial Pacific. Analyses of TIW anomaly relationships reveal strong dynamical influence of TIWs within approximately 5 of the equator. The first influence is advective heat flux. The primary forcing of TIW SST anomalies is advection of the meridional...
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 2006
ISSN: 1520-0485,0022-3670
DOI: 10.1175/jpo2870.1