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International Journal of Biometeorology

Francesco Chirico, Nicola Magnavita
In order to address the heat stress hazard, the worker health surveillance makes a difference by providing information about individual factor, feedback, and evidence about efficacy of preventive measures and activities carried out through the risk assessment process, at individual and group levels. Every technical, procedural, or organizational measures could be ineffective without taking into account the results provided by health surveillance.
December 5, 2018: International Journal of Biometeorology
Sandro M Oswald, Michael Revesz, Heidelinde Trimmel, Philipp Weihs, Shokufeh Zamini, Astrid Schneider, Martin Peyerl, Stefan Krispel, Harald E Rieder, Erich Mursch-Radlgruber, Fredrik Lindberg
While capabilities in urban climate modeling have substantially increased in recent decades, the interdependency of changes in environmental surface properties and human (dis)comfort have only recently received attention. The open-source solar long-wave environmental irradiance geometry (SOLWEIG) model is one of the state-of-the-art models frequently used for urban (micro-)climatic studies. Here, we present updated calculation schemes for SOLWEIG allowing the improved prediction of surface temperatures (wall and ground)...
December 5, 2018: International Journal of Biometeorology
Agata Buchwal, Stef Weijers, Daan Blok, Bo Elberling
The High Arctic region has experienced marked climate fluctuations within the past decades strongly affecting tundra shrub growth. However, the spatial variability in dwarf shrub growth responses in this remote region remains largely unknown. This study characterizes temperature sensitivity of radial growth of two willow dwarf shrub species from two distinct High Arctic sites. The dwarf shrub Salix arctica from Northern Greenland (82°N), which has a dry continental High Arctic climate, is linked with Salix polaris from central Svalbard (78° N), which experiences a more oceanic High Arctic climate with relatively mild winters...
December 3, 2018: International Journal of Biometeorology
Igor Rojahn da Silva, Anderson Spohr Nedel, Júlio Renato Quevedo Marques, Luciano Ritter Nolasco Júnior
The southern Brazilian city of Canoas, situated in the metropolitan region of Porto Alegre, is subject to several annual meteorological phenomena, such as cold fronts and squall lines. Here, we assess the relationship between meteorological conditions and outpatient consultations for asthma or bronchitis in children from Canoas City. Data from outpatient consultations of children (below 9 years), between January/2005 and September/2008, were combined with daily meteorological data from 12UTC (morning) and 18UTC (afternoon)...
November 29, 2018: International Journal of Biometeorology
Lisette Klok, Niek Rood, Jeroen Kluck, Laura Kleerekoper
Since it is insufficiently clear to urban planners in the Netherlands to what extent design measures can reduce heat stress and which urban spaces are most comfortable, this study evaluates the impact of shading, urban water, and urban green on the thermal comfort of urban spaces during hot summer afternoons. The methods used include field surveys, meteorological measurements, and assessment of the PET (physiological equivalent temperature). In total, 21 locations in Amsterdam (shaded and sunny locations in parks, streets, squares, and near water bodies) were investigated...
November 26, 2018: International Journal of Biometeorology
José Antonio Campoy, Rebecca Darbyshire, Elisabeth Dirlewanger, José Quero-García, Bénédicte Wenden
Evaluation of chilling requirements of cultivars of temperate fruit trees provides key information to assess regional suitability, according to winter chill, for both industry expansion and ongoing profitability as climate change progresses. Traditional methods for calculating chilling requirements use climate-controlled chambers and define chilling requirements (CR) using a fixed bud burst percentage, usually close to 50% (CR-50%). However, this CR-50% definition may estimate chilling requirements that lead to flowering percentages that are lower than required for orchards to be commercially viable...
November 20, 2018: International Journal of Biometeorology
Britta Jänicke, Achim Holtmann, Kyu Rang Kim, Misun Kang, Ute Fehrenbach, Dieter Scherer
This study quantifies heat-stress hazard (air temperature), vulnerability (heat vulnerability index and age score), and risk (heat-related mortality) on the district scale in Seoul, Korea, for a comprehensive heat-stress impact assessment. Moreover, the heat-stress impact assessment is evaluated by checking the spatial consistency between heat-stress hazard, vulnerability, and risk, which was rarely done before. We applied numerical and geo-empirical models to simulate the spatial pattern of heat-stress hazard...
November 20, 2018: International Journal of Biometeorology
Matheus Deniz, Abdon L Schmitt Filho, Joshua Farley, Sérgio F de Quadros, Maria J Hötzel
The aim of this work was to evaluate the influence of high biodiversity silvopastoral system (SPSnuclei) on microclimate and thermal comfort index thru a parallel with treeless pasture (TLP) during the four seasons of the year. Three conditions were determined for this study: shadowing area in SPSnuclei, sunny area in SPSnuclei, and sunny area in TLP. During two consecutive days in each season, the following microclimatic variables were collected: air temperature (°C), relative humidity (%), illuminance (lux), wind speed (m/s), and soil surface temperature (°C)...
November 19, 2018: International Journal of Biometeorology
Abmael da Silva Cardoso, Bruna Giovani Quintana, Estella Rosseto Janusckiewicz, Liziane de Figueiredo Brito, Eliane da Silva Morgado, Ricardo Andrade Reis, Ana Claudia Ruggieri
Soil moisture and compaction, and source of N and bovine urine can reduce methane (CH4 ) rates from agricultural soils. However, the magnitude of the effect is unknown in tropical soil under different conditions, as well as the potential of different urine-N concentration, volume, and sources of N in such an effect. This study aimed to investigate the effects of different soil conditions (moist, dry, compacted, moist-dung, moist-dung-compacted), N concentration in urine (2.5, 5.0, 10.0, and 15.0 g N L-1 ), volume of urine (25, 50, 100, and 200 ml kg-1 dry soil), and source of N (ammonium, nitrate, and urea) on CH4 emissions...
November 13, 2018: International Journal of Biometeorology
Dražen Đuričić, Miroslav Benić, Ivona Žura Žaja, Hrvoje Valpotić, Marko Samardžija
The aim of this study was to investigate the effects of monthly air temperature and rainfall variations on the reproductive performance and lambing distribution of the Jezersko-Solčava breed in northwestern Croatia during 7 years period from 2010 until 2016. At 11 medium-scale sheep farms, the sheep were kept on a pasture in a semi-intensive environment with access to the stables. The anomalies of rainfall observed on a monthly basis during monitoring were statistically significant. Non-parametric test showed that the percentages of lambing differ among the months during the year (P = 0...
November 12, 2018: International Journal of Biometeorology
Hyunjung Lee, Helmut Mayer, Wilhelm Kuttler
This study concerns the effects of the air flow initialisation of the ENVI-met model on simulated human heat stress in a fictive E-W street canyon with different aspect ratios that is typical of Central European cities. Human heat stress is described by near-surface air temperature (Ta ), mean radiant temperature (Tmrt ) and physiologically equivalent temperature (PET). The numerical simulations, which are performed for a Central European heat wave day in order to consider the increase of severe heat due to regional climate change, are based on the version 4...
November 11, 2018: International Journal of Biometeorology
Zhiming Yang, Qing Wang, Pengfei Liu
The frequency, intensity, and duration of extreme temperature events are expected to rise in the future and increase the related health risks of human beings. Using a novel, nationwide dataset that links extreme temperature and mortality, we estimated the short-term and long-term effects of extreme temperature on mortality in China during 2002-2013. Both extreme hot and extreme cold had immediate and long-term effects on all-cause mortality. Annual deaths per 100,000 people due to extreme hot and cold in the long term were considerably larger compared to the short term...
November 8, 2018: International Journal of Biometeorology
Teresa Makowiec-Dąbrowska, Elżbieta Gadzicka, Jadwiga Siedlecka, Agata Szyjkowska, Piotr Viebig, Piotr Kozak, Alicja Bortkiewicz
The possible associations between climate parameters and drivers' fatigue have not been subject to specific studies thus far. We have undertaken a study to investigate whether the particular climate parameters are related to fatigue perception by motor vehicle drivers. The study was performed from July to October. Each driver was surveyed four times: before and after workshift on a monotonous route outside the city center (MR), and on a heavy traffic route in the city center (HTR). The study was conducted among 45 city bus drivers aged 31-58 years (43...
November 8, 2018: International Journal of Biometeorology
Yi Yang, Dongsheng Zhao, Hui Chen
Southwest China (SWC), characterized by complex climate, undulating topography, intertwined mountains and basins, and diverse ecosystem, is a global hotspot in biodiversity. SWC also is sensitive to climate change, the effects of which can be expressed through alterations in bio-climatology indicators. In this study, we investigated the trends of the key bio-climatology indicators, including mean temperature of the warmest month (TWM), mean temperature of the coldest month (TCM), accumulated temperature above 5 °C (AT5 ) and 10 °C (AT10 ), number of days with daily mean temperature above 5 °C (DT5 ) and 10 °C (DT10 ), annual precipitation (P), precipitation days (DP), and moisture index (MI)...
November 7, 2018: International Journal of Biometeorology
Stefano Masiero, Irene Maghini, Maria Eleonora Mantovani, Leila Bakdounes, Kostas Koutsikos, Alessandra Del Felice, Patrizio Sale
Many authors showed that aquatic physiotherapy could improve quality of life and reduce postural instability and risk of falling in elderly subjects. The aim of this research was to explore if the thermal aquatic environment is a suitable place for rehabilitative training in person with Parkinson disease (PwP) with results comparable to the standard physiotherapy. A retrospective study was conducted on a database of 14 persons with Parkinson who were admitted to a thermal aquatic rehabilitation to undergo treatments made to improve gait and balance impairments...
November 5, 2018: International Journal of Biometeorology
M Bison, N G Yoccoz, B Z Carlson, A Delestrade
Quantifying shifts in plant phenology in response to climate change represents an ongoing challenge, particularly in mountain ecosystems. Because climate change and phenological responses vary in space and time, we need long-term observations collected at a broad spatial scale. While data collection by volunteers is a promising approach to achieve this goal, one major concern with citizen science programs is the quality and reliability of data. Using a citizen science program (Phenoclim) carried out in the western European Alps, the goals of this study were to analyze (1) factors influencing participant retention rates, (2) the efficacy of a citizen science program for detecting temporal changes in the phenology of mountain trees, (3) differences in budburst date trends among different observer categories, and (4) the precision of trends quantified by different categories of participants...
November 1, 2018: International Journal of Biometeorology
Xu-Xiang Liu, Yapeng Li, Guoyou Qin, Yibing Zhu, Xiaoru Li, Junqing Zhang, Kefu Zhao, Mingxia Hu, Xi-Ling Wang, Xueying Zheng
Accumulating evidence suggests that air pollution is a risk factor for adverse respiratory and cardiovascular health outcomes. However, the different impacts of exposure to air pollutants on influenza virus activity and influenza-like illness (ILI) have not been well documented in epidemiological studies. We examined the association between air pollutants of particular matters < 2.5 μm (PM2.5 ), particular matters < 10 μm (PM10 ), nitrogen dioxide (NO2 ), sulfur dioxide (SO2 ), and influenza occurrences in Hefei, China, from December 2013 to December 2015 by generalized Poisson additive regression models...
October 31, 2018: International Journal of Biometeorology
Tobi Eniolu Morakinyo, Stephen Bunmi Ogungbenro, Akintayo Temi Abolude, Akintomide Afolayan Akinsanola
Rainfall events often cause a modification to atmospheric conditions. The impact of this phenomenon on human thermal comfort has however been less well studied. Therefore, this paper quantifies the effect of rainfall events on human thermal comfort in a hot-humid subtropical city, Hong Kong. Firstly, rainfall events were categorized based on time of occurrence, i.e., morning (on or before 11:00 LST), afternoon (12:00-15:00, LST), early evening (16:00-18:00), and all-day events. Thereafter, human thermal comfort on typical non-rainy (sunny) days and rainy days was estimated and compared by using the radiation-driven physiological equivalent temperature (PET) and non-radiation-driven temperature-humidity index (THI) and compared...
October 29, 2018: International Journal of Biometeorology
Stephanie Veselá, Agnes Psikuta, Arjan J H Frijns
An accurate local thermal sensation model is indispensable for the effective development of personalized conditioning systems in office environments. The output of such a model relies on the accurate prediction of local skin temperatures, which in turn depend on reliable input data of the local clothing thermal resistance and clothing area factor. However, for typical office clothing ensembles, only few local datasets are available in the literature. In this study, the dry thermal resistance was measured for 23 typical office clothing ensembles according to EN-ISO 15831 on a sweating agile manikin...
October 29, 2018: International Journal of Biometeorology
Piotr Herbut, Sabina Angrecka, Jacek Walczak
Considering the significant influence of high ambient temperature and heat waves on the well-being and productivity of dairy cows, it is to be expected that, in the course of the next few decades, climate conditions for raising cattle will deteriorate. Research has shown that heat stress causes many negative consequences in terms of physiological and behavioural disturbances and significant losses in milk production. The effort to reduce the risk of the occurrence of heat stress among dairy cows also involves the search for new environmental methods of predicting heat stress...
October 27, 2018: International Journal of Biometeorology
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