Showing papers in "Atmospheric Research in 2016"

TL;DR: A review of the state of bioaerosol research, highlights recent advances, and outlines future perspectives in terms of identification, characterization, transport and transformation processes, as well as their interactions with climate, health, and ecosystems, focusing on the role bio-aerosols play in the Earth system.

TL;DR: In this article, a review of molecular distributions of water-soluble dicarboxylic acids and related compounds in atmospheric aerosols with a focus on their geographical variability, size distribution, sources and formation pathways is presented.

TL;DR: In this paper, the authors assess the annual and decadal trends in 12 extreme temperature and 10 extreme precipitation indices in terms of intensity, frequency, and duration over the Loess Plateau during 1960-2013.

TL;DR: In this article, two post-real time precipitation products from the Integrated Multi-satellite Retrievals for Global Precipment Measurement Mission (IMERG) are systematically evaluated over China with China daily Precipitation Analysis Product (CPAP) as reference.

TL;DR: Wang et al. as mentioned in this paper employed statistical methods to analyse the characteristics of precipitation and investigated the relationships between precipitation and 11 atmospheric circulations and found that the precipitation in northwest China had a significantly increasing trend (P < 0.01), at a rate of 0.61 mm/year, which is higher than the average rate of China (− 0.16 mm/month) for the same period.

TL;DR: In this article, the average concentration of total volatile organic compounds (VOCs) was (34.40±−25.20) in a northern suburb of Nanjing, a typical industrial area in the Yangtze River Delta, in a summer observation period from 15th May to 31st August 2013.

TL;DR: In this paper, the Soil and Water Assessment Tool (SWAT) and Statistical Downscaling Method (SDSM) were integrated and applied to estimate streamflows in the Xin River Basin, China, based on climate change scenarios downscaled from different GCMs (BCC-CSM1.1, CanESM2, and NorESM1-M) under three Representative Concentration Pathways (RCPs).

TL;DR: In this article, a study for a 30-year period (1981-2010) for a new precipitation database is performed over the island of Cyprus, where a dense and reliable network of rain gauges is available.

TL;DR: In this paper, the authors used observations from the summer 2014 HygrA-CD (Hygroscopic Aerosols to Cloud Droplets) experimental campaign to validate simulations from the Weather Research and Forecasting (WRF) model over the complex, urban terrain of the Greater Athens Area.

TL;DR: Wang et al. as mentioned in this paper examined the seasonal characteristics of aerosols in typical pollution episodes, water-soluble inorganic ions (SO 4 2 −, NO 3 −, NH 4 +, Cl −, K +, Na +, Ca 2 −+ and Mg 2 -+ ) in size-segregated PM collected by an Anderson sampler equipped with 50% effective cut-off diameters of 9.43 and an after filter.

TL;DR: In this paper, long-term trends and variability of total and extreme precipitation indices during 1955-2014 were examined for Thailand based on quality-controlled daily station data, and significant relationships between variability of precipitation indices and the indices for the state of El Nino-Southern Oscillation (ENSO) and Pacific Decadal Oscillations (PDO) were found.

TL;DR: In this paper, the abundance, behavior, and source of chemical species in size-fractionated atmospheric particle were studied with a 13-stage low pressure impactor (ELPI) during high polluted winter episode in Beijing.

TL;DR: The results indicated that the mean concentration of PM 2.5 reached 70.8μg/m 3 during the non-heating period, and water soluble inorganic ions (WSIIs), carbonaceous materials, including elemental carbon (EC) and organic carbon (OC); and elements contributed 43.80%, 10.34%, and 17.36%, respectively, to PM2.5 as discussed by the authors.

TL;DR: A comprehensive overview and review of the present state of knowledge on hail hazard and hail frequency over recent decades up to centuries across Europe can be found in this paper, where the authors attempted to summarize and synthesize the various prevailing studies with the objective to identify regions that are most prone to hail hazard.

TL;DR: Wang et al. as discussed by the authors investigated the chemical properties of PM 2.5 and put forward reasonable control measures, daily samples of PM2.5 were collected at an urban site in Beijing from August 4 to September 3, 2012 using two 2-channel samplers.

TL;DR: Wang et al. as discussed by the authors collected PM2.5 samples during a haze-fog event in winter, as well as in spring, summer, and fall in 2013 within an urban area (Xianlin) and city center area (Gulou) of Nanjing, a megacity of SE China.

TL;DR: Li et al. as discussed by the authors explored the spatial, temporal, and chemical characteristics of fine particulate matter (PM 2.5 ) pollution in Handan city, China, a comprehensive dataset including continuous online observations at four air quality monitoring stations in 2013 and 2014, and the concentrations of water-soluble inorganic ions (WSII) (NO 3 −, SO 4 2−, NH 4 +, Cl −, Na +, Mg 2 −+, K +, Ca 2−+ ).

TL;DR: In this article, a 1-year campaign was conducted in the rural area of Guangzhou, a megacity in southern China, to collect fine particulate matter (PM2.5) from March 2012 to February 2013.

TL;DR: The potential of wavelet transforms coupled with the bootstrap and boosting ensemble techniques to develop reliable artificial neural network (ANN) and support vector regression (SVR) models was explored and wavelet analysis was used as a pre-processing tool and was shown to improve drought predictions.

TL;DR: In this article, the authors evaluated the risk to human health caused by PM2.5 pollution in seven different functional areas of Beijing, and found that higher ring PAHs (with four to six rings) were the dominant species and constituted more than 90% of the 14 PAH species.

TL;DR: In this article, the authors investigated 50 years (1964-2013) of seasonal and annual rainfall trends and their fluctuation over time in northern Bangladesh and used the sequential Mann-Kendall test to identify any fluctuations in the trends over time and to detect possible points of change in the rainfall series.

TL;DR: In this paper, the authors review the skill of thirty coupled climate models participating in the Coupled Model Intercomparison Project Phase 5 (CMIP5) in terms of reproducing properties of the seasonal cycle of precipitation over the major river basins of South and Southeast Asia (Indus, Ganges, Brahmaputra and Mekong) for the historical period (1961-2000).

TL;DR: In this article, a sampling campaign of size segregated particulate matter (PM0.5, PM0.1, PM1-2) was carried out at two sites, one in a road tunnel (Braga, Portugal) and another at an urban background location in the neighbourhood.

TL;DR: In this article, the simulation results of CMIP5 (Coupled Model Intercomparison Project phase 5) multi-model ensemble in the Indus River Basin (IRB) are compared with the CRU (Climatic Research Unit) and APHRODITE (Asian Precipitation-Highly-Resolved Observational Data Integration Towards Evaluation) datasets.

TL;DR: In this paper, the authors used the continuous measurements of ozone (O3), carbon monoxide (CO) and nitrogen oxides (NOx) at a semi-arid urban site in Udaipur, India during the years 2011-2012.

TL;DR: In this article, the seasonal characteristics of NMHCs air pollution and their contributions to ozone formation in Lanzhou were investigated and principal component analysis (PCA) and multiple linear regression (MLR) were further applied to identify the dominant emission sources and examine their fractions in total NMHC emissions.

TL;DR: Wang et al. as discussed by the authors collected 24 PM 2.5 samples at a suburban site of Xinxiang during Chinese Spring Festival (SF) in 2015, and quantitatively assessed the threat of heavy metals in PM2.5 using incremental lifetime cancer risk (ILCR).

TL;DR: In this paper, an index is proposed for assessing the feasibility and energy requirements of atmospheric moisture harvesting by a direct cooling process, which can be used to select the optimal operation time periods (during the day and the year).

TL;DR: A measurement campaign was performed between 04/03/2013 and 17/07/2013 for simultaneous collection of PM 2.5 samples in two nearby sites in southeastern Italy: an urban site and an urban background site as discussed by the authors.

TL;DR: The Indonesian maritime continent (IMC) is a miniature of our land-sea coexisting planet Earth as discussed by the authors, which is observed actually over the open (Indian and Pacific) oceans on both sides of the IMC.