Rainfall strength and area from landfalling tropical cyclones over the North Indian and western North Pacific oceans under increased CO2 conditions

Moon, Mincheol; Ha, Kyung‐Ja; Kim, Dasol; Ho, Chang-Hoi; Park, Doo‐Sun R.; Chu, Jung‐Eun; Lee, Sun‐Seon; Chan, Johnny C. L.

doi:10.1016/j.wace.2023.100581

Cited by 3 publications

(1 citation statement)

References 61 publications

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“…The CESM 1.2.2 ultra-high-resolution climate simulation project, known as CESM-UHR, aims to advance our understanding of multi-scale interactions and processes associated with extreme weather and climate in the context of greenhouse warming (Chu et al 2020, Huang et al 2021, Wengel et al 2021, Kad et al 2023, Liu et al 2023, Moon et al 2023 Three century-long experiments were conducted using CESM-UHR to assess the impact of anthropogenic greenhouse warming on surface mesoscale eddy characteristics. Figure S1a shows a diagram of the CESM-UHR climate experiments used in this study.…”

Section: Community Earth System Model (Cesm) Climate Simulationsmentioning

confidence: 99%

Impact of greenhouse warming on mesoscale eddy characteristics in high-resolution climate simulations

Yun,

Ha,

Lee

2024

Environ. Res. Lett.

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Mesoscale eddies are prevalent throughout the global ocean and have significant implications for the exchange of heat, salt, volume, and biogeochemical properties. These small-scale features can potentially influence regional and global climate systems. However, the effects of climate change on ocean eddies remain uncertain due to limited long-term observational data. To bridge this knowledge gap, this study focuses on examining the impact of greenhouse warming on surface mesoscale eddy characteristics, utilizing high-resolution climate simulation project. Our model experiments have provided valuable insights into the potential effects of greenhouse warming on mesoscale eddies. They suggest that under greenhouse warming conditions, mesoscale eddies are likely to become more frequent and exhibit larger amplitudes and radii, especially in regions characterized by strong ocean currents such as the Antarctic Circumpolar Current and Western Boundary Currents. However, an intriguing pattern emerged in the Gulf Stream, where increased eddy occurrence and radius coincided with a significant decrease in amplitude. This phenomenon can be attributed to the influence of eddy lifespans, as the increased occurrence of long-lived eddies in the Kuroshio Current led to amplified amplitudes, whereas the decreased occurrence of long-lived eddies in the Gulf Stream resulted in a significant decrease in amplitude. The distinction arises from the capacity of eddies with longer lifespans to accumulate more energy compared to their shorter-lived counterparts. These findings provide valuable insights into the complex dynamics of mesoscale eddies in a warming world.

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Section: Community Earth System Model (Cesm) Climate Simulationsmentioning

confidence: 99%

Impact of greenhouse warming on mesoscale eddy characteristics in high-resolution climate simulations

Yun,

Ha,

Lee

2024

Environ. Res. Lett.

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Characteristics of precipitation changes during tropical cyclone processes in China from 1980 to 2019

Zhai,

Xu,

et al. 2024

Sci Rep

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Tropical cyclones (TCs) and their associated intense rainfall are among the most significant natural disasters. Exploring the characteristics of tropical cyclone precipitation (TCP) has always been a challenging issue in TC research. This study utilized the TC track data from the International Best Track Archive for Climate Stewardship and precipitation data from the multi-source weighted-ensemble precipitation covering the years 1980–2019, to examine shifts in precipitation rates and peak precipitation levels before and after TC landfall. The results highlight several key findings: (1) Precipitation during the TC landfall process is relatively stable beforehand but tends to decrease slightly after landfall. Generally, the maximum precipitation occurs during the landfall. (2) From 1980 to 2019, the rate of precipitation changes before landfall has significantly increased. Conversely, after the year 2000, the rate of precipitation changes after landfall has significantly decreased. (3) Over the past 40 years, while peak precipitation levels of landfalling TCs have remained relatively constant, the total precipitation has shown an increasing trend, particularly in regions like the main island of Hainan, southern Zhejiang, and Shanghai, which are characterized by high peak precipitation. The results help clarify the TC processes and provide reference points for parameter selection in regional TCP modeling.

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Trend in rainfall associated with tropical cyclones in Mexico attributed to climate change and variability

Sánchez Martínez,

González Villarreal,

Mora

et al. 2023

Journal of Water and Climate Change

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The aim of this study was to investigate the existence and the magnitude of trend in different areas and durations of rainfall associated with tropical cyclones (TCR). To achieve this objective, a mixed-method approach was employed using depth–area–duration (DAD) and areal reduction factor (ARFs) curves that can be described as a logarithm equation to generate time series that allows the application of statistical methods such as the Mann–Kendall (MK) and Spearman Rho (SR) to detect trends. Time series are generated by substituting different areas in the logarithmic equations. The evidence presented shows that in Mexico, the TCR lasting 24 h shows an increasing trend for maximum areas between 300 and 1,700 km2 according to the MK and SR tests, respectively; according to these same tests for durations of 48 h, upward trends were observed up to maximum areas between 5,700 and 6,900 km2. The Sen's slope reports annual increases between 0.76 and 1.32 mm and between 1.15 and 2.06 for a duration of 24 and 48 h, respectively. In contrast, no trends were observed in the time series obtained from the ARFs. Finally, the Pettitt test reports an abrupt jump from the year 1997 in all cases.

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Rainfall strength and area from landfalling tropical cyclones over the North Indian and western North Pacific oceans under increased CO2 conditions

Cited by 3 publications

References 61 publications

Impact of greenhouse warming on mesoscale eddy characteristics in high-resolution climate simulations

Impact of greenhouse warming on mesoscale eddy characteristics in high-resolution climate simulations

Characteristics of precipitation changes during tropical cyclone processes in China from 1980 to 2019

Trend in rainfall associated with tropical cyclones in Mexico attributed to climate change and variability

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