Atmosphere  

Katja Trachte

Atmospheric moisture pathways to the highlands of the tropical Andes Mountains were investigated using the Weather Research and Forecasting (WRF) model, as well as back-trajectory analysis. To assess model uncertainties according to the initial and latera... see more

Boksoon Myoung, Sang-Wook Yeh, Jinwon Kim and Menas C. Kafatos

One of the primary meteorological causes of the winter precipitation deficits and droughts in California (CA) is anomalous developments and maintenance of upper-tropospheric ridges over the northeastern Pacific. In order to understand and find the key fac... see more

Ugo Cortesi, Simone Ceccherini, Samuele Del Bianco, Marco Gai, Cecilia Tirelli, Nicola Zoppetti, Flavio Barbara, Marc Bonazountas, Argyros Argyridis, André Bós, Edo Loenen, Antti Arola, Jukka Kujanpää, Antti Lipponen, William Wandji Nyamsi, Ronald Van der A, Jacob Van Peet, Olaf Tuinder, Vincenzo Farruggia, Andrea Masini, Emilio Simeone, Rossana Dragani, Arno Keppens, Jean-Christopher Lambert, Michel Van Roozendael, Christophe Lerot, Huan Yu and Koen Verberne

With the launch of the Sentinel-5 Precursor (S-5P, lifted-off on 13 October 2017), Sentinel-4 (S-4) and Sentinel-5 (S-5)(from 2021 and 2023 onwards, respectively) operational missions of the ESA/EU Copernicus program, a massive amount of atmospheric compo... see more

Mina Petric, Branislava Lalic, Igor Pajovic, Slavica Micev, Vladimir Ðurdevic and Dušan Petric

Deepchandra Srivastava, Olivier Favez, Emilie Perraudin, Eric Villenave and Alexandre Albinet

Secondary organic aerosol (SOA) is known to account for a major fraction of airborne particulate matter, with significant impacts on air quality and climate at the global scale. Despite the substantial amount of research studies achieved during these last... see more

Stefan Stjepanovic, Bratislav Matovic, Dejan Stojanovic, Branislava Lalic, Tom Levanic, Saša Orlovic and Marko Gutalj

Louise Steffensen Schmidt, Peter L. Langen, Guðfinna Aðalgeirsdóttir, Finnur Pálsson, Sverrir Guðmundsson and Andri Gunnarsson

Several simulations of the surface climate and energy balance of Vatnajökull ice cap, Iceland, are used to estimate the glacier runoff for the period 1980–2015 and the sensitivity of runoff to the spring conditions (e.g., snow thickness). The s... see more

Agapol Junpen, Jirataya Pansuk, Orachorn Kamnoet, Penwadee Cheewaphongphan and Savitri Garivait

Crop residue burning negatively impacts both the environment and human health, whether in the aspect of air pollution, regional and global climate change, or transboundary air pollution. Accordingly, this study aims to assess the level of air pollutant em... see more

Robert D. Brown

More than half of the people in the world now live in cities and this proportion is expected to continue to increase. [...]

Thomas Ellermann, Jesper Nygaard, Jesper Heile Christensen, Per Løfstrøm, Camilla Geels, Ingeborg Elbæk Nielsen, Maria Bech Poulsen, Christian Monies, Steen Gyldenkærne, Jørgen Brandt and Ole Hertel

Eutrophication events are frequent in Inner Danish waters and critical loads are exceeded for much of the Danish sensitive terrestrial ecosystems. The Danish air quality monitoring program combines measurements and model calculations to benefit from the c... see more

Francesca Cecinati, Antonio M. Moreno-Ródenas, Miguel A. Rico-Ramirez, Marie-claire Ten Veldhuis and Jeroen G. Langeveld

In urban hydrological models, rainfall is the main input and one of the main sources of uncertainty. To reach sufficient spatial coverage and resolution, the integration of several rainfall data sources, including rain gauges and weather radars, is often ... see more

Kelly A. Balmes and Qiang Fu

Optically very thin ice clouds from the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) and ground-based Raman lidars (RL) at the atmospheric radiation measurement (ARM) sites of the Southern Great Plains (SGP) and Tropical We... see more

Jinxi Li, Jie Zheng, Jiang Zhu, Fangxin Fang, Christopher. C. Pain, Jürgen Steppeler, Ionel M. Navon and Hang Xiao

Advection errors are common in basic terrain-following (TF) coordinates. Numerous methods, including the hybrid TF coordinate and smoothing vertical layers, have been proposed to reduce the advection errors. Advection errors are affected by the directions... see more

Hiep Nguyen Duc, Lisa T.-C. Chang, Toan Trieu, David Salter and Yvonne Scorgie

Ozone and fine particles (PM2.5) are the two main air pollutants of concern in the New South Wales Greater Metropolitan Region (NSW GMR) due to their contribution to poor air quality days in the region. This paper focuses on source contributions to ambien... see more

Gergely Kristóf and Bálint Papp

While large eddy simulation has several advantages in microscale air pollutant dispersion modelling, the parametric investigation of geometries is not yet feasible because of its relatively high computational cost. By assuming an analogy between heat and ... see more

Hongyue Zhang, Siyu Chen, Nanxuan Jiang, Xin Wang, Xiaorui Zhang, Jian Liu, Zhou Zang, Dongyou Wu, Tiangang Yuan, Yuan Luo and Dan Zhao

The effect of aerosols is an important indicator of climate change. Sulfate aerosols, as the major scattering aerosols, which have attracted more and more attention in recent years. The Weather Research and Forecasting model coupled with Chemistry (WRF-Ch... see more

Hongping Gu and Jian Du

The migrating diurnal tide (DW1) presents a unique latitudinal structure in the stratosphere, mesosphere, and lower thermosphere. In this paper, the physical mechanisms that govern its seasonal variation are examined in these three regions using the 31.5-... see more

Shangfeng Chen, Bin Yu, Wen Chen and Renguang Wu

The El Niño–Southern Oscillation (ENSO) is the strongest interannual air–sea coupled variability mode in the tropics, and substantially impacts the global weather and climate. Hence, it is important to improve our understanding of the E... see more

William K. M. Lau and Kyu-Myong Kim

Sha Li, Muyin Wang, Nicholas A. Bond, Wenyu Huang, Yong Wang, Shiming Xu, Jiping Liu, Bin Wang and Yuqi Bai

Although standard statistical methods and climate models can simulate and predict sea-ice changes well, it is still very hard to distinguish some direct and robust factors associated with sea-ice changes from its internal variability and other noises. Her... see more

Ioannis Pytharoulis, Stergios Kartsios, Ioannis Tegoulias, Haralambos Feidas, Mario Marcello Miglietta, Ioannis Matsangouras and Theodore Karacostas

The accurate prediction of Mediterranean tropical-like cyclones, or medicanes, is an important challenge for numerical weather prediction models due to their significant adverse impact on the environment, life, and property. The aim of this study is to in... see more

Marco Bianucci, Antonietta Capotondi, Riccardo Mannella and Silvia Merlino

The observed ENSO statistics exhibits a non-Gaussian behavior, which is indicative of the presence of nonlinear processes. In this paper, we use the Recharge Oscillator Model (ROM), a largely used Low-Order Model (LOM) of ENSO, as well as methodologies bo... see more

Ye-Lim Jeon, Sungju Moon, Hyunho Lee, Jong-Jin Baik and Jambajamts Lkhamjav

Liqun Ma, Haoming Xia, Jiulin Sun, Hao Wang, Gary Feng and Fen Qin

Sasha Madronich, Simone Tilmes, Ben Kravitz, Douglas G. MacMartin and Jadwiga H. Richter

Flávia Venturini Rosso, Nathalie Tissot Boiaski, Simone Erotildes Teleginski Ferraz and Tiago Capello Robles

The South Atlantic convergence zone (SACZ) is the main summer-typical atmospheric phenomenon occurring in South America, and it is of great interest because it regulates the rainy season in the most populated regions of Brazil. Frequency variability, pers... see more

Tamás Várnai and Alexander Marshak

This paper presents an overview of our efforts to characterize and better understand cloud-related changes in aerosol properties. These efforts primarily involved the statistical analysis of global or regional datasets of Moderate Resolution Imaging Spect... see more

Yanling Xu, Wenbo Xue, Yu Lei, Yang Zhao, Shuiyuan Cheng, Zhenhai Ren and Qing Huang

Fine particulate matter (PM2.5) poses a risk to human health. In January 2017, the PM2.5 pollution in China was severe, and the average PM2.5 concentration had increased by 14.7% compared to that in January 2016. Meteorological conditions greatly influenc... see more

Lifeng Guo, Baozhang Chen, Huifang Zhang, Guang Xu, Lijiang Lu, Xiaofeng Lin, Yawen Kong, Fei Wang and Yanpeng Li

In this study, we evaluated estimates and predictions of the PM2.5 (fine particulate matter) concentrations and emissions in Xuzhou, China, using a coupled Lagrangian particle dispersion modeling system (FLEXPART-WRF). A Bayesian inversion method was used... see more

Haksoo Kim, Teakjo Ko, Hyangseon Jeong and Sungje Ye

The objective of this study was to establish a method to calibrate a large-scale laboratory rainfall simulator through developing and implementing an automated rainfall collection system to assess the reliability and accuracy of a rainfall simulator. The ... see more