Upper Ocean Response to Two Sequential Tropical Cyclones over the Northwestern Pacific Ocean

Ning, Jue; Xu, Qing; Feng, Tao; Zhang, Han; Wang, Tao

doi:10.3390/rs11202431

Cited by 15 publications

(18 citation statements)

References 58 publications

(88 reference statements)

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“…This finding agrees with the one reported in Avila-Alonso et al (2019) for the waters surrounding Cuba since they found a progressive post-storm surface cooling during a month after the passage of hurricanes, which was partially determined by the passage of consecutive hurricanes across the study area. Moreover, extensive and long-lasting SST cooling as well as intense post-storm phytoplankton blooms after the passage of consecutive TCs have been documented in the northwestern Pacific Ocean (e.g., Wu and Li, 2018;Ning et al, 2019;Wang et al, 2020). Overall, consecutive TCs superimpose effects on the upper ocean response because of strong-induced mixing and upwelling (Wu and Li, 2018;Ning et al, 2019;Wang et al, 2020).…”

Section: Climatological Analysis Of Sea Surface Temperature and Chlormentioning

confidence: 99%

“…Moreover, extensive and long-lasting SST cooling as well as intense post-storm phytoplankton blooms after the passage of consecutive TCs have been documented in the northwestern Pacific Ocean (e.g., Wu and Li, 2018;Ning et al, 2019;Wang et al, 2020). Overall, consecutive TCs superimpose effects on the upper ocean response because of strong-induced mixing and upwelling (Wu and Li, 2018;Ning et al, 2019;Wang et al, 2020).…”

Section: Climatological Analysis Of Sea Surface Temperature and Chlormentioning

confidence: 99%

“…The interaction of two storms closely related in time and space provides an in situ experiment for studying oceanic response (Baranowski et al, 2014). Although there have been extensive studies investigating the oceanic response to the passage of individual TCs, the effects induced by consecutive TCs has been much less documented (Wu and Li, 2018;Ning et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Climatological Analysis Of Sea Surface Temperature and Chlormentioning

confidence: 99%

Section: Climatological Analysis Of Sea Surface Temperature and Chlormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

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

Avila-Alonso¹,

Baetens²,

Cárdenas³

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Distinguishing between mechanisms inducing changes in chl a concentration is crucial to understanding the impact of storms on upper-ocean oceanographic conditions. Although there have been extensive studies investigating the oceanic response described above to the passage of individual TCs, the effects induced by consecutive TCs have been much less documented (Wu and Li, 2018;Ning et al, 2019). More specifically, extensive and long-lasting SST cooling and intense post-storm phytoplankton blooms after the passage of consecutive TCs have been documented in the northwestern Pacific Ocean (e.g.…”

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.

View full text Add to dashboard Cite

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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“…Furthermore, our previous works (e.g., [2,50,[88][89][90][91][92][93]) indicate thatoceanic thermohaline and dynamic features play an important role in upper ocean response to a single or sequential typhoons based on multiple observation data and model simulations. However, these works were mainly in the marginal sea (the South China Sea) and we may further follow the study of this paper, and study how some special topographic features such as with many islands or straits influences the structure of the oceanic response to typhoons in the future.…”

Section: Future Workmentioning

confidence: 96%

Response of Coastal Water in the Taiwan Strait to Typhoon Nesat of 2017

Yang

Tian

et al. 2019

Water

Self Cite

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The oceanic response of the Taiwan Strait (TWS) to Typhoon Nesat (2017) was investigated using a fully coupled atmosphere-ocean-wave model (COAWST) verified by observations. Ocean currents in the TWS changed drastically in response to significant wind variation during the typhoon. The response of ocean currents was characterised by a flow pattern generally consistent with the Ekman boundary layer theory, with north-eastward volume transport being significantly modified by the storm. Model results also reveal that the western TWS experienced the maximum generated storm surge, whereas the east side experienced only moderate storm surge. Heat budget analysis indicated that surface heat flux, vertical diffusion, and total advection all contributed to changes in water temperature in the upper 30 m with advection primarily affecting lower depths during the storm. Momentum balance analysis shows that along-shore volume acceleration was largely determined by a combined effect of surface wind stress and bottom stress. Cross-shore directional terms of pressure gradient and Coriolis acceleration were dominant throughout the model run, indicating that the effect of the storm on geostrophic balance was small. This work provides a detailed analysis of TWS water response to typhoon passage across the strait, which will aid in regional disaster management.

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Upper Ocean Response to Two Sequential Tropical Cyclones over the Northwestern Pacific Ocean

Cited by 15 publications

References 58 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

Response of Coastal Water in the Taiwan Strait to Typhoon Nesat of 2017

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