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Tropical Intraseasonal Modes of the Atmosphere

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Authors

Serra, Yolande L.
Jiang, Xianan
Tian, Baijun
Amador Astúa, Jorge Alberto
Maloney, Eric D.
Kiladis, George N.

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Reviews In Advance. vol 39: 5.1–5.27

Abstract

Tropical intraseasonal variability (TISV) of the atmosphere describes the coherent variability in basic state variables, including pressure, wind, temperature, and humidity, as well as in the physical phenomena associated with the covariability of these parameters, such as rainfall and cloudiness, over synoptic (∼1,000 km,∼1–10 days) to planetary (∼10,000 km,∼10–100 days) scales. In the past, the characteristics of individual TISV modes were studied separately, and much has been learned from this approach. More recent studies have increasingly focused on the multiscale nature of these modes, leading to exciting new developments in our understanding of tropical meteorology. This article reviews the most recent observations of TISV and its associated impacts on regional weather, short-term climate patterns, and atmospheric chemical transports, as well as the ability of numerical models to capture these interacting modes of variability. We also suggest where the field might focus its efforts in the future.

Description

Artículo científico -- Universidad de Costa Rica. Centro de Investigaciones Geofísicas, 2014. Este documento es privado debido a limitaciones de derechos de autor.

Keywords

Madden-Julian oscillation, onvectively coupled equatorial waves, tropical convection, convective organization, atmospheric transport, 551.6 Climatología y estado atmosférico

Citation

http://www.annualreviews.org/doi/abs/10.1146/annurev-environ-020413-134219

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