Showing papers in "Atmospheric Research in 2010"

TL;DR: In this paper, the elemental composition data of ambient aerosols collected upon selected wind sectors in the highly industrialised harbour of Dunkirk (France) were interpreted using pollution roses, elemental ratios, Enrichment Factors (EF), Principal Component Analysis (PCA) and Positive Matrix Factorization (PMF) receptor model.

TL;DR: In this paper, the characteristics of mass size distributions and metallic elements in the airborne particulate matter from an urban, residential area in Ulsan, Korea were investigated, and the results of an analysis of the enrichment factors, Cd, Pb, Cu and Zn were found to be very highly enriched.

TL;DR: In this article, a short overview of recent work linked to living organisms in the atmospheric water phase, from their activation to cloud droplets and ice crystal, to their potential impact on atmospheric chemical processes is provided.

TL;DR: In this paper, multi-year measurements of near surface aerosol black carbon (BC) mass concentration, made from a high altitude station at Manora Peak (29.4° N, 79.5° E, 1958 mmsl) in the Central Himalayas, using a 7-channel Aethalometer for 38 months from November 2004 to December 2007, are examined.

TL;DR: In this paper, the authors present results of four high resolution simulations of annual snowfall over Colorado, U.S.A. The results show that proper spatial and temporal depictions of snowfall adequate for water resource and climate change purposes can be achieved with the appropriate choice of model resolution and physical parameterizations.

TL;DR: In this paper, the authors investigated the characteristics of ambient PM2.5 with water soluble ions, i.e., Cl−, NO3−, SO42−, Na+, NH4+, K+, Mg2+ and Ca2+ from the samples collected for the period of 2007-2008.

TL;DR: In this paper, the authors used the Weather Research and Forecasting model with Chemistry (WRF/Chem) to examine the sensitivity of air quality predictions to two planetary boundary layer (PBL) schemes and three land-surface models (LSMs).

TL;DR: In this article, a qualitative analysis of the correlation coefficients between the different species and of the crustal enrichment factor; the cluster analysis (CA) and the principal component analysis (PCA) was performed to characterise PM10 concentration measured in an urban background site in Lecce (Apulia region, Italy).

TL;DR: Wang et al. as mentioned in this paper studied the accumulation of metals in stairway and sidewalk dust, and assessed the children health risks due to metal exposure from stairway dust. But, the results were limited to the smelting district of Huludao.

TL;DR: Aerosol samples for PM2.5 were collected at a suburban site of India during Jan 2007 to Jan 2008 as mentioned in this paper, where the authors found that the levels were higher than those of in various European and American cities, however, comparable to those of some Asian cities.

TL;DR: In this paper, positive matrix factorization (PMF) and conditional probability function (CPF) were applied to these PM data sets to identify the diverse sources in the industrial area.

TL;DR: In this paper, magnetic properties of road dusts in the East Lake area in Wuhan, China, were measured and compared with the results of heavy metal analyses in order to delineate the sources of pollutants.

TL;DR: Satoh et al. as discussed by the authors investigated the turbulent transport process within the nonhydrostatic icosahedral atmospheric model (NICAM), a global cloud-resolving model, with particular focus on the spatial reproducibility of cloud characteristics in NICAM simulations.

TL;DR: A review of the current knowledge about the time average axis ratio, the oscillation frequencies and modes, and the shape of freely falling raindrops is presented; besides an overview of the adopted experimental techniques is provided, and remaining open questions are highlighted as discussed by the authors.

TL;DR: Crown et al. as discussed by the authors proposed a new synthesis based on advances in the last 25 years in nonlinear dynamics, a critical re-analysis of empirical aircraft and vertical sonde data, the systematic scale by scale, space-time exploitation of high resolution remotely sensed data and a new turbulent model for the emergence of the climate from "weather" and climate variability.

TL;DR: In this article, a total of 208 rainfall events were collected and measured systematically at an urban site in Shenzhen, a mega-city on the southeast coast of China, from 2005 to 2009, and the volume-weighted mean (VWM) pH was observed to be 4.56 with an acid rain frequency of 84.6%.

TL;DR: In this article, a long-term evaluation of PM10 and PM2.5 mass concentrations reveals that averages of PM 10 and PM 2.5 collected between 2003 and 2007 in several different sites in Beirut exceeded the World Health Organization (WHO) PM10

TL;DR: Raindrop shapes from laboratory, field and model investigations are examined in order to distill a consistent picture of raindrop axis ratios as a function of size as mentioned in this paper, which is consistent with laboratory and field measurements.

TL;DR: In this article, the procedures used to measure and compute the kinetic energy and various other rainfall characteristics as well as the concurrent splash erosion rates in a recently terraced forest plantation in Soutelo, north-central Portugal, from May to September 2007 were described.

TL;DR: In this paper, the authors evaluated the impact of CFD on urban area transport and dispersion (T&D) modeling accuracy by coupling a microscale computational fluid dynamics model with a mesoscale numerical weather prediction (NWP) model.

TL;DR: In this article, the authors applied the Weather Research and Forecast (WRF) model to study the wind field over the east coast of central Greece under typical summer conditions, identifying the major features of the sea breeze circulation that is very frequently developing in the area during the warm period of the year and verifying the model's ability to simulate the complex flow that is strongly influenced by the complicated coastline and very steep terrain.

TL;DR: In this article, the main results obtained using a mesoscale cloud model with bin resolved cloud micophysics and aerosol particle scavenging, as developed by their group over the years and applied to the simulation of shallow and deep convective clouds, are summarized to yield a digested presentation which completes the general understanding of cloud-aerosol interaction.

TL;DR: In this article, a hailstorm that caused significant damage in South-West Germany was simulated with the numerical weather prediction model COSMO and sensitivity studies were conducted varying the concentration of cloud condensation nuclei and the shape of the cloud droplet size distribution.

TL;DR: In this paper, the authors used the Hybrid Single-Particle Lagrangian Integrated Trajectory model (HYSPLIT) for clustering trajectories reaching the Greater Athens area, Greece.

TL;DR: In this article, the emission characteristics of airborne PM10 in the Sihwa and Banwol Industrial Complex Area of Korea are highly complicated because of diverse man-made activities (about 4000 stacks), and measurements of 16 metals were undertaken using collision cell technology-inductively coupled plasma mass spectrometry (CCT-ICP-MS) from two industrial sites and one reference site in the vicinity of a residential area.

TL;DR: In this article, the authors describe winter precipitation chemistry data (2002-2006) from a remote regional background EMEP station located at Viznar (Granada, Spain) and the rainwater samples collected were analyzed for pH, major ion concentrations and conductivity.

TL;DR: In this article, heavy metal concentrations in suspended particulate matter (SPM) were investigated for their distribution and source in the atmosphere of coastal industrial town, Mithapur, Gujarat, India.

TL;DR: In this article, a bulk-formula semi-two-moment mixed-phase cloud scheme is incorporated with a regional model to study this aspect on a front system associated with convection.

TL;DR: In this article, the role of turbulence in droplet growth in clouds is controversial, in part because of the difficulty of studying underlying processes in the cloud environment, and in part due to difficulty of achieving real cloud conditions in controlled laboratory or computational studies.

TL;DR: In this paper, the authors examined the effect of surface growth rate and size on the sign of graupel charge in laboratory experiments involving collisions between ice crystals and riming graupels.