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A numerical investigation of aerosol effect on cloud microphysics in an idealized tropical cyclone using the WRF piggybacking framework Atmos. Res. (IF 5.5) Pub Date : 2024-04-16 Lin Deng, Lulin Xue, Wei Huang, Wanchen Wu, Greg Thompson, Wenhua Gao, Noemi Sarkadi, Istvan Geresdi
Efforts were made to separate the effects of aerosol on cloud microphysics in an idealized tropical cyclone (TC) from meteorological effects using a spectral bin microphysics scheme and the piggybacking methodology introduced by Grabowski et al. (2017). Modifying the initial distribution of cloud condensation nuclei (CCN) from maritime to continental condition, the increase of CCN leads to a clear
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Ocean-wave-atmosphere coupling effect in Medicane forecasting Atmos. Res. (IF 5.5) Pub Date : 2024-04-16 John Karagiorgos, Vassilios Vervatis, Ioannis Samos, Helena Flocas, Sarantis Sofianos
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Synergistic effects of large-scale three-dimensional circulations in East Asian cold events: A case study of 2021/22 Atmos. Res. (IF 5.5) Pub Date : 2024-04-16 Wenxin Zhang, Shujuan Hu, Kai Wang, Bingqian Zhou, Jianjun Peng, Chenbin Gao
Different from previous studies that mainly focused on the influences of large-scale horizontal circulation on cold events, this paper used the three-type decomposition of the global atmospheric circulation (3P-DGAC), taking the winter of 2021/22 as an example, to investigate the synergistic effects of the local horizontal, meridional and zonal circulations in the cold events of East Asia (EA). We
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Significant scales differences between summer and winter Southwest Vortex generated in Sichuan Basin and the associated mechanisms Atmos. Res. (IF 5.5) Pub Date : 2024-04-15 Yiyu Qing, Zhongren Deng, Shunwu Zhou, Cheng Yang, Jiaxing Leng, Xiaotao Zhao, Shengsheng Liu
The structures of the Southwest Vortex (SWV) differ depending on the different environmental conditions, ultimately resulting in various types of disasters. Based on SWV Year Book during 20122017, this paper mainly makes statistical analysis on the characteristics of summer SWV and winter SWV. The radius and vertical depth between summer and winter SWVs are compared. Using composite method, PV tendency
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A non-stationary impactquant framework for assessing the human activity impacts on hydrological drought in the Upper Red River Atmos. Res. (IF 5.5) Pub Date : 2024-04-12 Jiwei Leng, Kai Ma, Shixiang Gu, Kaiwen Zhang, Daming He
Hydrological drought (HD) in dynamic environments, particularly complicated by climate change and human activity, challenges traditional stationary-based research approaches. These challenges are particularly pronounced in the Upper Red River Basin characterized by complex topography and extensive human activity. To these issues, this study introduces non-stationarity in determining drought propagation
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Characterization of the future northeast monsoon rainfall based on the clustered climate zone under CMIP6 in Peninsular Malaysia Atmos. Res. (IF 5.5) Pub Date : 2024-04-12 Zulfaqar Sa'adi, Nor Eliza Alias, Zulkifli Yusop, Mohammed Magdy Hamed, Prabhakar Shukla, Mohamad Rajab Houmsi, Nur Athirah Mohamad, Mohammed Sanusi Shiru, Nurzalikha Sa'adi, Mohd Khairul Idlan Muhammad, Zafar Iqbal, Umer Jeelanie Banday
The Northeast monsoon (NEM) exerts a significant influence on the climate system of Peninsular Malaysia (PM) and has profound implications for water resource management, flood control, and disaster preparedness in the region. This study employed CHIRPS rainfall data from 1981 to 2022 at a spatial resolution of 0.25° to generate climate zones. The performance of global climate models (GCMs) in replicating
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An assessment of Indian Summer Monsoon (ISM) characteristics observed in continuous Radiosonding from New Delhi, National Capital Region (NCR-Delhi) Atmos. Res. (IF 5.5) Pub Date : 2024-04-11 Jerin Benny Chalakkal, Manju Mohan
The geographical location of the New Delhi, National Capital Region (NCR) within the Northern Gangetic Plains is influenced by the Indian Summer Monsoon (ISM) and its associated weather. Monsoon weather is observed by the appearance of organised clouds, an outbreak of rainfall, and humid conditions. The current study examines pre-monsoon and monsoon weather conditions, together with intra-monsoonal
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Projected changes in extreme daily precipitation linked to changes in precipitable water and vertical velocity in CMIP6 models Atmos. Res. (IF 5.5) Pub Date : 2024-04-10 Luis Gimeno-Sotelo, Emanuele Bevacqua, José Carlos Fernández-Alvarez, David Barriopedro, Jakob Zscheischler, Luis Gimeno
Understanding the drivers of precipitation and their changes in a non-stationary climate is crucial for effective climate adaptation and water resource management, as it helps us anticipate and respond to shifting precipitation patterns and their impacts. Here, analysing simulations from the Coupled Model Intercomparison Project Phase 6 (CMIP6) we show that the conditional probability of extreme daily
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Unprecedented cross-equatorial southerly wind anomalies during the 2020–2023 triple-dip La Niña: Impacts and mechanisms Atmos. Res. (IF 5.5) Pub Date : 2024-04-10 Sijia Zhang, Hanjie Fan, Xiaoming Hu, Shuheng Lin
The 2020–2023 La Niña event, the third triple-dip occurrence since 1950, stands out for its unique characteristics when compared to the preceding events in 1973–1976 and 1998–2001. Unlike its predecessors, the latest event emerged without a preceding strong El Niño episode, starting from a state of weak discharge. Moreover, the resurgence of cold sea surface temperature (SST) anomalies during 2020–2023
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The increases in extreme climatic events over the northeastern Tibetan Plateau and their association with atmospheric circulation changes Atmos. Res. (IF 5.5) Pub Date : 2024-04-09 Lanya Liu, Xiaohua Gou, Xuejia Wang, Meixue Yang, Sihao Wei, Guojin Pang, Liya Qie, Yijia Li, Qi Wang, Tao Wang, Xin Jin
In the context of global warming, increasing frequency of climate extremes poses a great challenge to natural systems and humankind. However, the spatial and temporal characteristics, as well as the mechanisms of extreme climate change, remain insufficiently understood, particularly in arid and semi-arid mountainous regions with high climate sensitivity and ecological fragility. In this study, we analyzed
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Direct radiative forcing of light-absorbing carbonaceous aerosols in China Atmos. Res. (IF 5.5) Pub Date : 2024-04-09 Liu Yang, Yuhao Mao, Hong Liao, Mingjie Xie, Ying Zhang
China is an important emitter of light-absorbing carbonaceous aerosols (LACs), including black carbon (BC) and brown carbon (BrC). Currently, there are large uncertainties in model-estimated direct radiative forcing (DRF) of LACs, partially due to the poor understanding of the emissions and optical properties of LACs. In this study, we estimated the DRF of LACs over China during the implementation
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Influence of pure sea breeze on urban heat island in Tianjin, China: A perspective from multiple meteorological observations Atmos. Res. (IF 5.5) Pub Date : 2024-04-08 Mengjiao Shang, Lijuan Cao, Jianping Guo, Zihan Guo, Lin Liu, Shaobo Zhong
The interaction of sea breezes with urban heat island (UHI) in coastal areas has been extensively investigated. Nevertheless, the impact of pure sea breeze (PSB), characterized by a prevailing wind direction perpendicular to the coastline, on UHI remains rarely unexplored. In this study, the PSB events from 2015 to 2022 in Tianjin are identified using 10-m wind observations, and their occurrence frequency
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Characteristics of propagation from meteorological drought to ecological drought in China: Lag and cumulative effects Atmos. Res. (IF 5.5) Pub Date : 2024-04-07 Chenhao Ge, Peng Sun, Rui Yao, Yufei Wang, Wenhui Chen, Yaojin Bian, Qiang Zhang
The increasing frequency and severity of droughts will seriously impact agricultural production and the ecological environment. Studying the drought lag (DL) and drought cumulative (DC) effects of propagation between meteorological drought to ecological drought can help to enhance the capacity of ecological drought monitoring. Therefore, in this study, the meteorological drought index (non-stationary
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Two-step method of surface-based high-precision PET retrieval Atmos. Res. (IF 5.5) Pub Date : 2024-04-07 Qingzhi Zhao, Tingting Sun, Hongwu Guo, Zufeng Li, Lulu Chang, Jinfang Yin, Yibin Yao
Existing potential evapotranspiration (PET) retrieval methods can obtain high-precision PET values at specific stations but not well used, which becomes the focus of this paper. A multi-source PET fusion (MPF) method using station- and grid-based PET is proposed to obtain surface-based high-precision PET. The grid-based empirical PET (GEP) model is initially established by analyzing the relationship
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Toward untangling thunderstorm-aerosol relationships: An observational study of regions centered on Washington, DC and Kansas City, MO Atmos. Res. (IF 5.5) Pub Date : 2024-04-07 Mace Bentley, Tobias Gerken, Zhuojun Duan, Dudley Bonsal, Henry Way, Endre Szakal, Mia Pham, Hunter Donaldson, Lucie Griffith
A multi-variable investigation of thunderstorm environments in two distinct geographic regions is conducted to assess the aerosol and thermodynamic environments surrounding thunderstorm initiation. 12-years of cloud-to-ground (CG) lightning flash data are used to reconstruct thunderstorms occurring in a 225 km radius centered on the Washington, D·C. and Kansas City Metropolitan Regions. A total of
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Change in the distribution of heavy 1 h precipitation due to temperature changes in measured values, model reanalyses and model simulations of future climate Atmos. Res. (IF 5.5) Pub Date : 2024-04-07 Zbyněk Sokol, Daniela Řezáčová, Jana Popová
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Multiscale dynamics of transient merging between western disturbances and monsoonal lows: Connections to the July 2023 flood in Himachal Pradesh Atmos. Res. (IF 5.5) Pub Date : 2024-04-04 Akash Singh Raghuvanshi, Ankit Agarwal
The Himachal Pradesh region experienced an unprecedented 436% more rainfall than normal from July 7th to 10th, 2023, resulting in devastating landslides, flash floods, and significant socio-economic losses. Using rainfall observations and reanalysis data, this study investigates the dynamics of the extreme precipitation event that caused the disastrous 2023 flood in Himachal Pradesh, India. Prior to
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Classifying and quantifying decadal changes in wet deposition over Southeast and East Asia using EANET, OMI, and GPCP Atmos. Res. (IF 5.5) Pub Date : 2024-04-04 Shuo Wang, Jason Blake Cohen, Luoyao Guan, Pravash Tiwari, Kai Qin
South East and East Asia are regions which have undergone rapid economic development, contributing a significant amount of urban and biomass burning emissions. While the connections between emissions, deposition, and impacts on the Earth System are theoretically understood, they are observationally and ill-constrained, especially with respect to the effects of a changing climate and the Monsoon. This
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Development and thermodynamic characteristics of cloud lightning channels with ultrashort-path Atmos. Res. (IF 5.5) Pub Date : 2024-04-04 Lizhen Yuan, Ping Yuan, Hong Deng, Tingting An, Rubin Jiang, Liwen Xu, Fan Zhang, Yingying An
The time-resolved spectra of four ultrashort-path cloud lightning were taken by a high-speed slit-less spectrograph. Based on the spectra, the temperature, electron density, and development characteristics of the ultrashort-path cloud lightning channels were investigated for the first time. For these four ultrashort-path cloud lightning, the minimum length of the channel in the horizontal direction
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Intraseasonal northward evolution of the extreme autumn rainfall event in West China in 2021 Atmos. Res. (IF 5.5) Pub Date : 2024-04-04 Han Zhang, Ke Fan
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Investigating Monsoon Raindrop Sizes in Relation to Associated Atmospheric Parameters over the Indian Region Atmos. Res. (IF 5.5) Pub Date : 2024-04-03 Gargi Rakshit, Mrutyunjay Mohapatra, K.C. Sai Krishnan, Animesh Maitra
The paper investigates the physical phenomena that govern raindrop size distribution and cloud characteristics across the diverse climatic regions of the Indian subcontinent. The study focuses on four locations, Kolkata, Bhopal, Desalpar, and Kavaratti Island, during the monsoon period from 2014 to 2016. It employs various techniques, encompassing ground-based measurements from disdrometers, space-borne
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Long-term variations of aerosol optical depth according to satellite data and its effects on radiation and temperature in the Moscow megacity Atmos. Res. (IF 5.5) Pub Date : 2024-04-03 A.A. Poliukhov, E.Yu. Zhdanova, N.Ye. Chubarova
The rapid development of large megacities, coupled with emission regulations, can lead to long-term variations in aerosol optical depth over urban area which has an impact on radiation and temperature. This study aims to evaluate the radiation effects of aerosol pollution in Moscow and its surrounding areas using MAIAC data obtained from MODIS satellite data for three distinct periods: 2000–2006, 2007–2014
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Sensitivity analysis of cumulus and microphysics schemes in the WRF model in simulating Extreme Rainfall Events over the hilly terrain of Nagaland Atmos. Res. (IF 5.5) Pub Date : 2024-04-02 Rupraj Biswasharma, N. Umakanth, Imlisunup Pongener, Imolemba Longkumer, K. Madan Mohan Rao, Sunil D. Pawar, V. Gopalkrishnan, Sanjay Sharma
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Notable effects of crustal matters on HONO formation by the redox reaction of NO2 with SO2 in an inland city of China Atmos. Res. (IF 5.5) Pub Date : 2024-04-02 Mingkai Wang, Shenbo Wang, Ruiqin Zhang, Luqi Shang, Yunxiang Zhang
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Future changes in the influence of the NAO on Mediterranean winter precipitation extremes in the EC-Earth3 large Ensemble: The prominent role of internal variability Atmos. Res. (IF 5.5) Pub Date : 2024-04-02 Andrea Rivosecchi, M.A. Bollasina, I. Colfescu
One of the largest uncertainties in future climate projections is the interplay between internally generated and externally forced changes. This study investigates the changes in the link between the North Atlantic Oscillation (NAO) and Mediterranean winter extreme rainfall and dry days by the end of the 21st century compared to present day. We compare two different future pathways and estimate the
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Secular changes in the tropical stratospheric water vapour entry induced by the Indo-Pacific warm pool warming Atmos. Res. (IF 5.5) Pub Date : 2024-04-02 Yangjie Jiang, Xin Zhou, Quanliang Chen, Wuhu Feng, Xiao-Feng Li, Yang Li
A decreasing trend in the tropical (30°S ∼ 30°N) stratospheric water vapour (SWV) entry in recent four decades (from 1984 to 2020) is detected based on the Stratospheric Water and OzOne Satellite Homogenized (SWOOSH) measurements and the ERA5 reanalysis dataset using linear regression and Ensemble Empirical Mode Decomposition (EEMD) analysis. With the concurrent warming of the sea surface temperature
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Comprehensive the seasonal characterization of atmospheric submicron particles at urban sites in the North China Plain Atmos. Res. (IF 5.5) Pub Date : 2024-04-01 Peng Xu, Yuan Yang, Wenkang Gao, Wei Huang, Yangchun Yu, Bo Hu, Jie Hu, Dong Gao, Jinze Geng, Yiyi Liu, Shuai Wang, Fanhua Kong, Yuesi Wang
To comprehensively investigate the seasonal variations in submicron particles (PM = NR-PM + BC) composition, sources and chemical processes, an Aerodyne high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS), along with a multiangle absorption photometer (MAAP), was deployed to observe at urban sites in the North China Plain from October 1, 2015, to July 31, 2016. The PM average mass
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The synergistic effect of NOx and SO2 on the formation and light absorption of secondary organic aerosols from ο-xylene photooxidation Atmos. Res. (IF 5.5) Pub Date : 2024-03-31 Shijie Liu, Yiqian Wang, Si Zhang, Yubao Chen, Can Wu, Guiqin Zhang, Gehui Wang
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Improving the lightning forecast with the WRF model and lightning data assimilation: Results of a two-seasons numerical experiment over Italy Atmos. Res. (IF 5.5) Pub Date : 2024-03-31 Stefano Federico, Rosa Claudia Torcasio, Jana Popova, Zbyněk Sokol, Lukáš Pop, Martina Lagasio, Barry H. Lynn, Silvia Puca, Stefano Dietrich
We show, for the first time over Italy and over part of the central Mediterranean Basin, the impact of lightning data assimilation (LDA) on the strokes forecast for a long period. We use the Weather Research and Forecasting (WRF) model coupled with the Dynamic Lightning Scheme (DLS) at convection allowing horizontal resolution (3 km). We carried out a two-seasons experiment (summer 2020 and fall 2021)
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A 13-year long strokes statistical analysis over the Central Mediterranean area Atmos. Res. (IF 5.5) Pub Date : 2024-03-31 Marco Petracca, Stefano Federico, Nicoletta Roberto, Silvia Puca, Leo Pio D'Adderio, Rosa Claudia Torcasio, Stefano Dietrich
This paper presents the first detailed analysis of cloud-to-ground (CG) and intra-cloud (IC) strokes characteristics from the Lightning Detection Network (LINET) over Italy and the Central Mediterranean area, a lightning active area in south Europe. We study the strokes over a 13-year period from 2010 to 2022, aiming to understand how it varies with different temporal scales (hourly, monthly, seasonally
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Variability of Index of Coalescence Activity (ICA) over a rain-shadow region during monsoon and its role in cloud seeding programs in India Atmos. Res. (IF 5.5) Pub Date : 2024-03-31 B. Padmakumari, R.S. Maheskumar, S.B. Morwal, J.R. Kulkarni
The Index of Coalescence Activity (ICA) is an indicator of the microphysical state of the cloud. ICA is related to cloud base temperature and buoyancy of cloud at 500 hPa level. It is a useful parameter for making a decision on the type of seeding to be carried out. During Cloud Aerosol Interaction and Precipitation Enhancement EXperiment (CAIPEEX) over the Indian region, aircraft operations for in
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Concurrent and dynamical interdependency of compound precipitation and wind speed extremes over India Atmos. Res. (IF 5.5) Pub Date : 2024-03-31 V.M. Reddy, Litan Kumar Ray
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Numerical simulation of the cloud seeding operation of a convective rainfall event occurred in Beijing Atmos. Res. (IF 5.5) Pub Date : 2024-03-30 Shaofeng Hua, Baojun Chen, Hui He, Yichen Chen, Xiang’e Liu, Jing Yang
Observation-validated cloud seeding simulation is valuable in assisting in evaluating seeding effect, but its sensitivity to microphysics schemes and cloud seeding parameterizations is rarely investigated. In this research three cloud seeding parameterizations (the Hsie, Demott and Xue parameterizations) are coupled with two microphysics schemes (the Thompson and Milbrandt schemes), to perform simulations
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Preconvective environments of severe convective winds over North China and South China Atmos. Res. (IF 5.5) Pub Date : 2024-03-29 Xinlin Yang, Jianhua Sun, Shi Luo
This study aimed to identify the environmental discrepancy between severe convective wind (SCW) and climate background over North China and South China and between SCW occurring in these two regions, which were prone to SCW in China. 17 parameters from 11,727 (13130) climate background soundings and 4404 (2513) SCW soundings in North (South) China were quantitatively investigated. These parameters
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Toward an improved ensemble of multi-source daily precipitation via joint machine learning classification and regression Atmos. Res. (IF 5.5) Pub Date : 2024-03-29 Hao Chen, Tiejun Wang, Carsten Montzka, Huiran Gao, Ning Guo, Xi Chen, Harry Vereecken
Accurate estimation of precipitation at local to global scales can considerably enhance our understanding of climate system dynamics. While numerous precipitation products are available as indispensable tools for investigating precipitation and its associated processes, none can consistently provide the lowest estimation error across environmental conditions. The multiple source precipitation ensemble
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Influence of the Super El Niño event during 2015/2016 on the aerosol properties and lightning activity in subtropical South America Atmos. Res. (IF 5.5) Pub Date : 2024-03-28 Verónica M. Tur, Rodrigo E. Bürgesser, Diego Gaiero, María Laura López
This work investigates the impact of ENSO on aerosols and lightning activity in subtropical South America (SSA). An analysis of the interannual variability of Aerosol Optical Depth (AOD), Ångström Exponent (AE) and different cloud parameters using MODIS satellite datasets and the lightning activity based on the lightning observations from the World Wide Lightning Location Network was performed. High
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Spatiotemporal variations of extreme weather events and climate drivers in the Three Gorges Reservoir Area and its surrounding regions from 1960 to 2020 Atmos. Res. (IF 5.5) Pub Date : 2024-03-27 Zikang Ren, Huarong Zhao, Xinzhi Mu, Qinxue Xu, Kangming Shi, Guoliang Yang
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The contrast responses of August precipitation over Northeast China to strong and moderate developing El Niño Atmos. Res. (IF 5.5) Pub Date : 2024-03-27 Hua Li, Shengping He, Xing Yuan, Yong Liu, Yuhan Yan
Northeast China (NEC), which is identified as China's largest granary, has the biggest interannual variability in precipitation in August, which is low on predictive skill. El Niño–Southern Oscillation (ENSO) is the prime source of climate predictability and its temporal evolution is critical to improving the forecasting of summer NEC precipitation. At present, the impacts of a developing-ENSO on August
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Exploring the use of 3D radar measurements in predicting the evolution of single-core convective cells Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Yu-Shen Cheng, Li-Pen Wang, Robert W. Scovell, Duncan Wright
Object-based radar rainfall nowcasting is a widely used technique for convective storm prediction. Currently, most existing object-based nowcasting methods primarily focus on predicting cell movements, neglecting the temporal evolution of cell properties such as size, shape, and intensity. Incorporating this evolution is critical for improving predictability in convective storms. While previous studies
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Remote Effects of double Typhoons on Record-breaking Rainfall: A case Study in North China Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Jie Zhou, Haipeng Yu, Yu Ren, Yaoxian Yang, Xiaoyue Liu, Guanghua Chen, Zhanhong Ma, Wen Zhao, Siyu Chen, Yun Wei, Chenxi Liu, Jinxia Zhang
During 18–22 July 2021, an extreme precipitation event occurred in Henan, China, with maximum daily precipitation reached 657 mm, broking their historical records and resulting in severe disaster. This heavy rainstorm occurred with the background of two typhoon (In-fa and Cempaka) activities, but resent studies have only considered the effects of individual typhoons, ignoring their combined effects
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Analysis of recent trends and spatiotemporal changes of droughts over Serbia using high-resolution gridded data Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Vladimir Djurdjević, Borko Stosic, Milica Tošić, Irida Lazić, Suzana Putniković, Tatijana Stosic, Ivana Tošić
The purpose of this study is to analyze the spatiotemporal variations in drought in Serbia over recent decades using the standardized precipitation evapotranspiration index (SPEI). The analysis is performed for time series of 1-, 3-, 6-, and 12-month SPEI indices (SPEI-01, SPEI-03, SPEI-06 and SPEI-12, respectively) calculated using the -OBS gridded dataset with a horizontal resolution of 0.1° for
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Comparison and evaluation of the performance of reanalysis datasets for compound extreme temperature and precipitation events in the Qilian Mountains Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Yingshan Wang, Weijun Sun, Baojuan Huai, Yuzhe Wang, Kaicheng Ji, Xiaohong Yang, Wentao Du, Xiang Qin, Lei Wang
Due to potential powerful destruction, the compound extreme temperature and precipitation events have continuously captured the interest of scientists. However, the lack of in-situ datasets limits the knowledge of compound extreme events in the alpine mountains. We selected the Qilian Mountains and analyzed the change trends of four types of compound extreme weather events, and further evaluated the
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A study of evaporation duct characteristics in the South China Sea during the Winter of 2017 Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Mong-ling Chiao, Jou-ping Hou, Kuang-chang Pien
The evaporation duct (ED) near the sea surface is the most frequent type of duct that traps and redirects electromagnetic waves over longer or shorter distances. This study uses radiosonde data from the South China Sea Two-Island Monsoon Experiment (SCSTIMX) in 2017 and the Weather Research and Forecasting (WRF) model to study the ED and ED height (EDH). We enhanced the vertical resolution to 26 layers
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Spatiotemporal evolution patterns and underlying formation mechanisms of monsoon rainfall across eastern China: A complex network perspective Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Lei Liu, Chao Gao, Zhanliang Zhu, Silong Zhang, Xiongpeng Tang
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Vertical distribution characteristics of the typhoon gust factor based on a 356-m high meteorological gradient tower Atmos. Res. (IF 5.5) Pub Date : 2024-03-26 Qian-Jin Zhou, Lei Li, Pak Wai Chan, Hong-Long Yang, Xue-Ling Cheng
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Summer heatwaves in China during 1961–2021: The impact of humidity Atmos. Res. (IF 5.5) Pub Date : 2024-03-25 Shanjun Cheng, Shanshan Wang, Mingcai Li, Yongli He
In additon to temperature, heatwaves are also closely related to humidity. In this study, daily wet-bulb temperature was used to define heatwaves (WBHWs) with a unified threshold for more than 2000 meteorological stations throughout China. The climatic averages of summer heatwaves and changes from 1961 to 2021 were investigated. WBHWs primarily occur in three key subregions, namely North China, South
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Decadal trends (2009–2018) in Saharan dust transport at Mt. Martano EMEP station, Italy Atmos. Res. (IF 5.5) Pub Date : 2024-03-24 Chiara Petroselli, Stefano Crocchianti, Marco Vecchiocattivi, Beatrice Moroni, Roberta Selvaggi, Silvia Castellini, Ilaria Corbucci, Federica Bruschi, Eleonora Marchetti, Mara Galletti, Monica Angelucci, David Cappelletti
Saharan dust advections in the Mediterranean Basin are widely studied and subjected to specific regulations due to their impact on the air quality of European cities. As a natural phenomenon, their contribution to PM should be accurately quantified in order to correctly evaluate their impact in anthropized areas. The identification and quantification of Saharan dust advections should be carried out
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Global future potential evapotranspiration signal using Penman-Monteith and Hargreaves-Samani method by latitudes based on CMIP6 Atmos. Res. (IF 5.5) Pub Date : 2024-03-24 Young Hoon Song, Eun-Sung Chung, Shamsuddin Shahid
This study estimated global potential evapotranspiration (PET) using six climate variables of 14 CMIP6 GCMs at different latitudes of both hemispheres. Hargreaves-Samani (HS) and Penman-Monteith (PM) were used to estimate historical and future PETs. To evaluate the historical reproducibility of the six climate variables of the CMIP6 GCMs, five evaluation indicators were used and compared with the NCEP/NCAR
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Longer dust events over Northwest China from 2015 to 2022 Atmos. Res. (IF 5.5) Pub Date : 2024-03-24 Haojie Yu, Yang Wang, Lulu Yuan, Ranyao Kong, Shipeng Han, Wenchao Han, Jiming Li
Dust events show volatile characteristics in the Northwest warming and wetting trend under global warming. Previous studies yet pay little attention to the specific characteristic of the duration of dust events. We present herein our findings on the changes of dust event duration (DED) and its influencing factors over Northwest China based on hourly resolution air quality observations. We find that
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Characterization of summer easterly winds over the inner Iberian Peninsula Atmos. Res. (IF 5.5) Pub Date : 2024-03-24 María Ortega, Claudia Gutiérrez, Noelia López-Franca, María Ofelia Molina, Jesús Gutiérrez-Fernández, Miguel Ángel Gaertner, Enrique Sánchez
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Assessment of the impacts of climate change on the construction of homogeneous climatic regions and ensemble climate projections using CMIP6 data over Pakistan Atmos. Res. (IF 5.5) Pub Date : 2024-03-23 Muhammad Abbas, Firdos Khan, Yuei-An Liou, Hamd Ullah, Beenish Javed, Shaukat Ali
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Hybrid multilayer perceptron and convolutional neural network model to predict extreme regional precipitation dominated by the large-scale atmospheric circulation Atmos. Res. (IF 5.5) Pub Date : 2024-03-22 Qin Jiang, Francesco Cioffi, Weiyue Li, Jinkai Tan, Xiaoduo Pan, Xin Li
Recent advances in deep learning have provided tools that enable meteorologists to predict extreme precipitation using massive atmospheric data. However, individual models are constrained by imbalanced samples and prone to false alarms owing to the rarity of extreme precipitation events. In this study, a novel ensemble learning model, that is, hybrid multilayer perceptron and convolutional neural network
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Characteristics and determining factors of spring-summer consecutive drought variations in Northwest China Atmos. Res. (IF 5.5) Pub Date : 2024-03-22 Jing Ge, Dongpu Feng, Huaru Liu, Wangcheng Li, Yongning Zhu
Northwest China (NWC, defined by its administrative division) is an arid and semi-arid region where continuous drought occurs in spring and summer that severely affects crop growth and yields. However, the characteristics of spring-summer consecutive drought (SSCD) in NWC remain unknown. Based on daily observation data from 118 stations in NWC for the period 1961–2017, we investigated the variations
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High-resolution reconstruction and correction of FY-4A precipitable water vapor in China using back propagation neural network Atmos. Res. (IF 5.5) Pub Date : 2024-03-20 Chengchang Zhu, Peng Chen, Yibin Yao, Liangcai Qiu, Cheng Zhang, Jierui Lu, Yuchen Zhang, Xinyue Yang, Mengyan Wu, Shuyang Zhang
Precipitable water vapor (PWV) with high spatial and temporal resolution is essential for a deeper understanding of the study area's hydrological cycle and climate change. This study uses the European Center for Medium-Range Weather Forecasts Reanalysis 5 (ERA5) PWV as auxiliary verification data and proposes a reconstruction method based on back propagation neural network (BPNN) downscaling. Combining
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The response of atmospheric blocking and East Asian cold extremes to future Arctic Sea ice loss Atmos. Res. (IF 5.5) Pub Date : 2024-03-20 Wenqin Zhuo, Yao Yao, Dehai Luo, Fei Huang, Binhe Luo, Linhao Zhong
The effect of Arctic warming on cold extremes over middle latitude remains a controversial and unresolved issue, particularly considering potential enhanced Arctic amplification in future scenarios. Here we examine the possible responses of winter cold extremes to the projected sea ice loss under 2 °C global warming scenario in four models, based on the atmosphere-only experiments of the Polar Amplification
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Fast response of global monsoon area and precipitation to regional carbonaceous aerosols Atmos. Res. (IF 5.5) Pub Date : 2024-03-19 A. Asutosh, V. Vinoj, K. Landu, H. Wang
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Changes in source specific PM2.5 from 2010 to 2019 in New York and New Jersey identified by dispersion normalized PMF Atmos. Res. (IF 5.5) Pub Date : 2024-03-19 Yunle Chen, David Q. Rich, Philip K. Hopke
Since the Clean Air Act amendments of 1970, various efforts have been made in the United States to control ambient particulate matter and improve air quality. Although substantial progress had been made by the end of the 1990s, further reductions were needed to meet the National Ambient Air Quality Standards. To assess the effectiveness of the regulations and the impacts of economic drivers, we investigated
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AI model to improve the mountain boundary layer height of ERA5 Atmos. Res. (IF 5.5) Pub Date : 2024-03-19 Jinyuan Xin, Kecheng Peng, Xiaoqian Zhu, Xiaole Pan, Qiyuan Wang, Junji Cao, Zifa Wang, Xiaoqun Cao, Xinbing Ren, Simin Yang, Yiming Wei, Dandan Zhao, Yongjing Ma
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Accumulation of absorbing aerosols over the Indian Sector of Southern Ocean during the austral summer: Role of thermal inversions Atmos. Res. (IF 5.5) Pub Date : 2024-03-19 Avirup Sen, Atiba A. Shaikh, Harilal B. Menon, Mukunda M. Gogoi
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Nitrogen aerosols in New Delhi, India: Speciation, formation, and sources Atmos. Res. (IF 5.5) Pub Date : 2024-03-16 Qiaomin Pei, Xin Wan, David Widory, Kirpa Ram, Bhupesh Adhikary, Guangming Wu, Xing Diao, Hemraj Bhattarai, Yan-Lin Zhang, Mark Loewen, Zhiyuan Cong
Delhi, the capital city of India, experiences severe air pollution and suffers from its adverse effects on human health and ecosystems. This pollution is characterized by high levels of pollutants, including atmospheric nitrogen in both the gaseous and particulate phases. However, there is a lack of simultaneous measurement of chemical composition, tracers and N data in aerosols to understand the influence