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Atmosphere, Volume 10, Issue 1

January 2019 - 40 articles

Cover Story: Particle number size distributions have been measured in Rochester, NY since 2002, along with PM2.5, black carbon, and pollutant gases. Obvious features such as the morning rush hour and afternoon regional nucleation events can be identified. However, assessing the particle sources requires the applications positive matrix factorization to the seasonal data from winter, summer, and the transitional seasons. From 2002 to 2016, there were substantial changes in particle emissions and formation rates due to the implementation of multiple policies related to cleaner fuels, additional controls on vehicles, and reduced emissions from coal-fired power plants. Those coal combustion reductions came from reduced electricity demand during the 2008 recession and the change in the relative prices of coal and natural gas. View this paper.
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Articles (40)

  • Article
  • Open Access
16 Citations
4,619 Views
19 Pages

14 January 2019

Typhoon rainstorms often cause disasters in southern China. Quantitative precipitation estimation (QPE) with the use of polarimetric radar can improve the accuracy of precipitation estimation and enhance typhoon defense ability. On the basis of the o...

  • Article
  • Open Access
22 Citations
13,058 Views
24 Pages

13 January 2019

This paper examines the hydroclimate history of the Eastern Mediterranean (EM) region during the 10th to 14th centuries C.E., a period known as the Medieval Climate Anomaly (MCA), a time of significant historical turmoil and change in the region. The...

  • Article
  • Open Access
20 Citations
4,669 Views
14 Pages

12 January 2019

The Eastern Mediterranean (EM) and the Middle East and North Africa (MENA) are projected to be exposed to extreme climatic conditions in the 21st century, which will likely induce adverse impacts in various sectors. Relevant climate change impact ass...

  • Article
  • Open Access
34 Citations
6,454 Views
17 Pages

Long-Term Changes of Source Apportioned Particle Number Concentrations in a Metropolitan Area of the Northeastern United States

  • Stefania Squizzato,
  • Mauro Masiol,
  • Fereshteh Emami,
  • David C. Chalupa,
  • Mark J. Utell,
  • David Q. Rich and
  • Philip K. Hopke

12 January 2019

The northeastern United States has experienced significant emissions reductions in the last two decades leading to a decrease in PM2.5, major gaseous pollutants (SO2, CO, NOx) and ultrafine particles (UFPs) concentrations. Emissions controls were imp...

  • Article
  • Open Access
8 Citations
3,902 Views
12 Pages

12 January 2019

Effects of the convective triggering process in a cumulus parameterization scheme on the diurnal variation of precipitation over East Asia are examined using a regional climate model. Based on a cloud-resolving simulation showing the irrelevance of c...

  • Article
  • Open Access
30 Citations
6,721 Views
32 Pages

Skill-Testing Chemical Transport Models across Contrasting Atmospheric Mixing States Using Radon-222

  • Scott D. Chambers,
  • Elise-Andree Guérette,
  • Khalia Monk,
  • Alan D. Griffiths,
  • Yang Zhang,
  • Hiep Duc,
  • Martin Cope,
  • Kathryn M. Emmerson,
  • Lisa T. Chang and
  • Jeremy D. Silver
  • + 4 authors

11 January 2019

We propose a new technique to prepare statistically-robust benchmarking data for evaluating chemical transport model meteorology and air quality parameters within the urban boundary layer. The approach employs atmospheric class-typing, using nocturna...

  • Article
  • Open Access
10 Citations
6,123 Views
16 Pages

10 January 2019

This study investigates the changes in West African monsoon features during warm years using the Regional Climate Model version 4.5 (RegCM4.5). The analysis uses 30 years of datasets of rainfall, surface temperature and wind parameters (from 1980 to...

  • Article
  • Open Access
33 Citations
4,235 Views
17 Pages

10 January 2019

In order to further investigate the influence of ensemble generation methods on the storm-scale ensemble forecast (SSEF) system, a new ensemble sensitivity analysis-based ensemble transform with 3D rescaling (ET_3DR_ESA) method was developed. The Wea...

  • Article
  • Open Access
6 Citations
3,566 Views
15 Pages

9 January 2019

Electric and/or magnetic fields are generated by stationary charges, uniformly moving charges and accelerating charges. These field components are described in the literature as static fields, velocity fields (or generalized Coulomb field) and radiat...

  • Article
  • Open Access
62 Citations
6,177 Views
11 Pages

8 January 2019

Cloud liquid water content (LWC) and droplet effective radius (re) have an important influence on cloud physical processes and optical characteristics. The microphysical properties of a three-layer pure liquid stratus were measured by aircraft probes...

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Atmosphere - ISSN 2073-4433Creative Common CC BY license