Changes in seasonal compound floods in Vietnam revealed by a time-varying dependence structure of extreme rainfall and high surge DOI Creative Commons
Han Wang, Yunqing Xuan, Thi Van Thu Tran

et al.

Coastal Engineering, Journal Year: 2023, Volume and Issue: 183, P. 104330 - 104330

Published: May 8, 2023

Compound floods due to intense rainfall and storm surges in coastal areas have shown an increasing trend some parts of the world, many studies suggested a strong link with climate change. Yet, such has not been fully explored quantitively assessed. In this paper, we demonstrate development application nonstationary framework determining different compound scenarios, where individual drivers their interactions altered under The applied one most flood-prone areas: Ho Chi Minh City Vietnam, help analyze present future flood risks both dry wet seasons driven by joint effect from heavy inland high skew surge. Over period 1980–2017, two are found be significantly correlated March April, corresponding transition dry-to-wet seasons. We also find that commonly-used traditional multivariate statistical models underestimate magnitudes for current (represented 2020) 2050) when compared results produced methods. addition, reveal season is expected receive more triggered increased intensity frequency extremes, magnitude reaching similar level season. This line projections RCP4.5 8.5 scenarios although duration spells increase total annual decrease Vietnam. simulated inundations indicate remarkable increases extension, especially at locations identified as low risk stationary models.

Language: Английский

Locally opposite responses of the 2023 Beijing–Tianjin–Hebei extreme rainfall event to global anthropogenic warming DOI Creative Commons
Dajun Zhao, Hongxiong Xu, Ying Li

et al.

npj Climate and Atmospheric Science, Journal Year: 2024, Volume and Issue: 7(1)

Published: Feb. 6, 2024

Abstract The effect of anthropogenic warming on extreme rainfall events is a hot topic in this era global warming, and increasing attention being paid to its impact at regional local scales. We explore the localized response precipitation during high-impact “23·7” event Beijing–Tianjin–Hebei region under using ensemble convective-permitting simulations. identify two sub-regions with opposite responses: decreased (increased) northern (southern) sub-region area. Further analysis shows that intensified remnant Typhoon Dusuari increased inner core but peripheral spiral rain band. These are main reasons for locally inconsistent responses warming. emphasize as background signal, directly affects intensity structure specific weather systems rather than precipitation. A event, therefore, cannot always be simply attributed climate enhancing every location particular region.

Language: Английский

Citations

31
Climate Change and Hydrological Extremes DOI
Jinghua Xiong, Yuting Yang

Current Climate Change Reports, Journal Year: 2024, Volume and Issue: 11(1)

Published: Oct. 2, 2024

Language: Английский

Citations

24
An update on the influence of natural climate variability and anthropogenic climate change on tropical cyclones DOI Creative Commons
Suzana J. Camargo, Hiroyuki Murakami, Nadia Bloemendaal

et al.

Tropical Cyclone Research and Review, Journal Year: 2023, Volume and Issue: 12(3), P. 216 - 239

Published: Sept. 1, 2023

A substantial number of studies have been published since the Ninth International Workshop on Tropical Cyclones (IWTC-9) in 2018, improving our understanding effect climate change tropical cyclones (TCs) and associated hazards risks. These reinforced robustness increases TC intensity risks due to anthropogenic change. New modeling observational suggested potential influence forcings, including greenhouse gases aerosols, global regional activity at decadal century time scales. However, there are still uncertainties owing model uncertainty simulating historical variability Atlantic, limitations observed records. The projected future TCs has become more uncertain IWTC-9 frequency by a few models. new paradigm, seeds, proposed, is currently debate whether seeds can help explain physical mechanism behind changes frequency. also highlighted importance large-scale environmental fields activity, such as snow cover air-sea interactions. Future projections translation speed medicanes additional focus topics report. Recommendations research proposed relevant remaining scientific questions assisting policymakers.

Language: Английский

Citations

23
Changes in flood-associated rainfall losses under climate change DOI
Michelle Ho, Conrad Wasko, Declan O’Shea

et al.

Journal of Hydrology, Journal Year: 2023, Volume and Issue: 625, P. 129950 - 129950

Published: July 20, 2023

Language: Английский

Citations

22
Changes in concurrent precipitation and temperature extremes over the Asian monsoon region: observation and projection DOI Creative Commons
Lianlian Xu, Tuantuan Zhang, Wei Yu

et al.

Environmental Research Letters, Journal Year: 2023, Volume and Issue: 18(4), P. 044021 - 044021

Published: Feb. 28, 2023

Abstract Concurrent precipitation and temperature extremes exert amplified impacts on the ecosystems human society; however, they have not been well documented over Asian monsoon region with dense population agricultures. In this study, spatiotemporal variations of four concurrent extreme modes (cold/dry, cold/wet, warm/dry, warm/wet) are detected based observations model projections. From 1961 to 2014, ‘dry’ manifest large values at high latitudes, while ‘wet’ occur frequently in tropical regions. Based linear congruency, trends largely determined by temperature. Furthermore, interaction between (IEPET) facilitates dry modes, inhibits wet modes. Three modeling datasets (CMIP6, NEX-GDDP-CMIP6, BCSD_CMIP6) employed project future changes occurrences The BCSD_CMIP6, generated statistical downscaling CMIP6 simulations, stands out simulating observed features region. Extreme is also identified as main driver IEPET conducive decreasing trend cold/dry mode, implying that would change under global warming. warm/wet mode manifests largest among compound from 1995 2014 two projected periods (2046–2065 2080–2099) relative 1961–1980. On annual timescale, magnitudes Southeast Asia, South Tibetan Plateau, Eastern Central Asia relatively larger than other sub-regions during historical periods, which quantified hotspots mode. seasonal will period. Our findings critical for formulating adaptation strategies cope adverse effects extremes.

Language: Английский

Citations

21
Predicting natural gas futures’ volatility using climate risks DOI
Kun Guo, Fengqi Liu, Xiaolei Sun

et al.

Finance research letters, Journal Year: 2023, Volume and Issue: 55, P. 103915 - 103915

Published: April 18, 2023

Language: Английский

Citations

19
Dynamic Change in Normalised Vegetation Index (NDVI) from 2015 to 2021 in Dhofar, Southern Oman in Response to the Climate Change DOI Creative Commons
Khalifa M. Al‐Kindi,

Rahma Al Nadhairi,

Suleiman Al Akhzami

et al.

Agriculture, Journal Year: 2023, Volume and Issue: 13(3), P. 592 - 592

Published: Feb. 28, 2023

Climate change poses a major threat to vegetation and land cover worldwide. The loss of as result climate can alter the functions structure environment its ecological systems. In first part this study, Sentinel-2 data, normalised different index (NDVI), multiple regression methods were used examine impacts climatic factors humidity, rainfall, air temperature on dynamics from 2015 2021 in Dhofar, Southern Oman. second random forest was employed model relationships between NDVI temperature, soil map, geology topographic wetness index, curvature, elevation, slope, aspect, distance buildings, roads. values revealed significant associations spatial distributions abovementioned factors. findings also indicated an increase 1 °C fluctuations 2018 over all five sites, with strong tendency Qairoon Hairiti Mountain. rainfall records clearly increasing 2020 due impact frequent cyclones. Therefore, results 0.01 trend 2018, 2019, along Sadah Mountain range eastern Jabal Qara Mountains under areas directly impacted by cyclone, whereas there decrease western mountain consisting Qamar warm, dry air. that sensitive heavy Samhan 12 variables influenced levels had importance. Soil types, highest importance, while urban area, roads, map lowest. provide foundation for Oman’s planning management regional vegetation, water conservation, animal husbandry.

Language: Английский

Citations

16
Removal of Classical and Emerging Contaminants in Water Treatment Using Super-Bridging Fiber-Based Materials DOI
Mathieu Lapointe, Rafael S. Kurusu, Laura M. Hernandez

et al.

ACS ES&T Water, Journal Year: 2023, Volume and Issue: 3(2), P. 377 - 386

Published: Feb. 1, 2023

New solutions are required to increase the capacity, robustness, and versatility of water treatment plants for both drinking wastewater applications. In this work, iron-grafted cellulose fibers were designed tested removal classical emerging contaminants in treatment. The synthesis Fe-fibers was optimized maximize amount positively charged iron (hydr)oxides grafted onto improve adsorption capacity negatively such as phosphorus. Compared conventional physicochemical ballast treatment, drastically increased floc size, hence allowing replacement settling by screening, a technology that is more compact than tanks. Fibers used combination with coarse screens (mesh size 1000 μm) improved total suspended solids from 22% (conventional treatment) 81% (fiber-based treatment). When coagulant flocculant, nanoplastics dramatically after separation via screening (1000 μm mesh), 20 71%. For benzene, toluene, ethylbenzene, xylene (BTEX), Fe-grafted removed, respectively, 88 80% contaminant load. Finally, proven be washable reusable five times, which shows potential operational cost reduction environmental benefits.

Language: Английский

Citations

14
Increasing risk from landfalling tropical cyclone-heatwave compound events to coastal and inland China DOI Creative Commons
Jie Wu, Yang Chen, Zhen Liao

et al.

Environmental Research Letters, Journal Year: 2022, Volume and Issue: 17(10), P. 105007 - 105007

Published: Oct. 1, 2022

Abstract Tropical cyclones (TCs) and heatwaves are amongst the most deadly costly natural hazards. Despite considerable advances in understanding each of them, their occurrences rapid sequence (e.g. a week) that introduce disproportionately large impacts to infrastructure human health have received far less attention. Based on dynamical downscaling simulations, we project currently rare landfalling TC-heatwave compound events would be five ten times more frequent coastal Southeast China, migrate northward westward intact interior. It is substantial increase contributes projected frequency novel emergence events. There higher fraction severer composed either intense TCs (in top 10% historically) or exceptional (above historical 99.9th percentile), with China even bracing for out-of-ordinary combinations two. On unprecedented frequency, intensity land exposure, future unseasonal South further overwhelm local adaptive capacities.

Language: Английский

Citations

18
Anthropogenic warming induced intensification of summer monsoon frontal precipitation over East Asia DOI Creative Commons
Suyeon Moon, Nobuyuki Utsumi, Jee‐Hoon Jeong

et al.

Science Advances, Journal Year: 2023, Volume and Issue: 9(47)

Published: Nov. 24, 2023

Summer monsoon frontal rainfall in East Asia (EA) is crucial for water resources and flood hazards densely populated areas. Recent studies have documented the increasing intensity of summer over recent decades. However, extent ongoing climate change on intensification EA precipitation system remains uncertain. Using an objective method detecting systems, we found a 17 ± 3% increase observed during 1958 to 2015. Climate model simulations with without greenhouse gases suggest that anthropogenic warming plays key role by 5.8% from 1991 The analysis highlights enhanced vapor convergence reinforced western North Pacific subtropical High collectively increased moisture transport region, resulting intensified precipitation. results lend support warming–induced enhancement its persistence future.

Language: Английский

Citations

11