Tropical Cyclone Ecology: A Scale-Link Perspective

Lin, Teng Chiu; Hogan, J. Aaron; Chang, Chih-Hsiung

doi:10.1016/j.tree.2020.02.012

Cited by 96 publications

(94 citation statements)

References 93 publications

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“…The nutrient influx stimulates phytoplankton growth and can lead to phytoplankton blooms lasting several days after the TC passage in the oligotrophic oceanic waters (Babin et al, 2004;Hanshaw et al, 2008;Shropshire et al, 2016). Moreover, rainfall associated with these extreme meteorological phenomena modulates surface cooling and phytoplankton blooms since rainfall freshens the nearsurface water, thus increasing stratification and influencing vertical mixing (Lin and Oey, 2016;Liu et al, 2020). From satellite imagery, an increase in phytoplankton abundance is identified as an elevated chlorophyll a (chl a) concentration.…”

Section: Introductionmentioning

confidence: 99%

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Avila-Alonso

Baetens

Cárdenas

2021

Nat. Hazards Earth Syst. Sci.

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Abstract. Understanding the oceanic response to tropical cyclones (TCs) is of importance for studies on climate change. Although the oceanic effects induced by individual TCs have been extensively investigated, studies on the oceanic response to the passage of consecutive TCs are rare. In this work, we assess the upper-oceanic response to the passage of Hurricanes Dorian and Humberto over the western Sargasso Sea in 2019 using satellite remote sensing and modelled data. We found that the combined effects of these slow-moving TCs led to an increased oceanic response during the third and fourth post-storm weeks of Dorian (accounting for both Dorian and Humberto effects) because of the induced mixing and upwelling at this time. Overall, anomalies of sea surface temperature, ocean heat content, and mean temperature from the sea surface to a depth of 100 m were 50 %, 63 %, and 57 % smaller (more negative) in the third–fourth post-storm weeks than in the first–second post-storm weeks of Dorian (accounting only for Dorian effects), respectively. For the biological response, we found that surface chlorophyll a (chl a) concentration anomalies, the mean chl a concentration in the euphotic zone, and the chl a concentration in the deep chlorophyll maximum were 16 %, 4 %, and 16 % higher in the third–fourth post-storm weeks than in the first–second post-storm weeks, respectively. The sea surface cooling and increased biological response induced by these TCs were significantly higher (Mann–Whitney test, p<0.05) compared to climatological records. Our climatological analysis reveals that the strongest TC-induced oceanographic variability in the western Sargasso Sea can be associated with the occurrence of consecutive TCs and long-lasting TC forcing.

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Section: Introductionmentioning

confidence: 99%

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Avila-Alonso

Baetens

Cárdenas

2021

Nat. Hazards Earth Syst. Sci.

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“…Hurricanes and typhoons (or more generally, tropical cyclones (TCs)) are among the most destructive natural phenomena on Earth leading to great social and economic losses (Welker and Faust, 2013;Lenzen et al, 2019), as well as ecological perturbations of both marine and terrestrial ecosystems (Fiedler et al, 2013;de Beurs et al, 2019;Lin et al, 2020). Given the devastating effects of TCs, the question of how they will be affected by climate change has received considerable scientific attention (Henderson-Sellers et al, 1998;Knutson et al, 2010;Walsh et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Avila-Alonso¹,

Baetens²,

Cárdenas³

et al. 2020

Preprint

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Abstract. Understanding the oceanic response to tropical cyclones (TCs) is of importance for studies on climate change. Although the oceanic effects induced by individual TCs have been extensively investigated, studies on the oceanic response to the passage of consecutive TCs are rare. In this work, we assess the upper oceanic response to the passage of the Hurricanes Dorian and Humberto over the western Sargasso Sea in 2019 using satellite remote sensing and modelled data. We found that the combined effects of these slow-moving TCs led to an increased oceanic response during the third and fourth post-storm weeks of Dorian (accounting for both Dorian and Humberto effects) because of the induced mixing and upwelling at this time. Overall, anomalies of sea surface temperature, ocean heat content and mean temperature from the sea surface to a depth of 100 m were a 50, 63 and 57% smaller (more negative) in the third/fourth post-storm weeks than in the first/second poststorm weeks (accounting only for Dorian effects) of Dorian, respectively, while surface chlorophyll-a (chl-a) concentration anomalies, the mean ch-a concentration in the euphotic zone and the chl-a concentration in the deep chlorophyll maximum were 16, 4 and 16% higher in the third/fourth post-storm weeks than in the first/second post-storm weeks, respectively. The sea surface cooling and increased biological response induced by these TCs were significantly higher (Mann-Whitney test p < 0.05) as compared to climatological records. Our climatological analysis reveals that the strongest TC-induced oceanographic variability in the western Sargasso Sea can be associated with the occurrence of consecutive TCs and long-lasting TC forcing.

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“…Cyclones can trigger intense coastal upwelling (Doong et al, 2019;Scrosati, 2020a), although the position of a coastal location relative to a cyclone's path can greatly influence upwelling intensity, as shown by this study and by Doong et al (2019). The average intensity of cyclones is increasing with climate change (Glenn et al, 2016;Lin et al, 2020). Therefore, it is hoped that the present study stimulates further research to keep improving our understanding about cyclone influences on coastal upwelling and cooling.…”

Section: Discussionmentioning

confidence: 57%

Cyclone-Driven Coastal Upwelling and Cooling Depend on Location Relative to the Cyclone's Path: Evidence From Dorian's Arrival to Atlantic Canada

Scrosati

2020

Front. Mar. Sci.

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Tropical Cyclone Ecology: A Scale-Link Perspective

Cited by 96 publications

References 93 publications

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Oceanic response to the consecutive Hurricanes Dorian and Humberto (2019) in the Sargasso Sea

Cyclone-Driven Coastal Upwelling and Cooling Depend on Location Relative to the Cyclone's Path: Evidence From Dorian's Arrival to Atlantic Canada

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