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@article{Li:2024:10.1029/2024GL111029,
author = {Li, M and Toumi, R},
doi = {10.1029/2024GL111029},
journal = {Geophysical Research Letters},
title = {On the temporal decay of tropical cyclones over the ocean},
url = {http://dx.doi.org/10.1029/2024GL111029},
volume = {51},
year = {2024}
}

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TY  - JOUR
AB  - It is important to understand how tropical cyclones (TCs) decay over the ocean as this is a criticalprelandfall stage. A modified exponential decay model (β model) with two parameters α and β is proposed. Thescale parameter α defines the decay scale, while the shape parameter β determines whether the decay ratedecelerates or accelerates over time. Global fittings indicate that around 40% of TCs exhibit decelerating decay(β≤1), while the majority (about 60%) show accelerating decay (β>1). Correlation analysis reveals a strongnegative correlation between the scale parameter α and the initial Coriolis parameter (r = − 0.96) and a positivecorrelation between the shape parameter β and the meridional component of the initial translation velocity(r = 0.75). The β model provides a comprehensive understanding of how TCs decay with time and howenvironmental conditions affect the decay scale and evolution.
AU  - Li,M
AU  - Toumi,R
DO  - 10.1029/2024GL111029
PY  - 2024///
SN  - 0094-8276
TI  - On the temporal decay of tropical cyclones over the ocean
T2  - Geophysical Research Letters
UR  - http://dx.doi.org/10.1029/2024GL111029
VL  - 51
ER  -

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