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International Journal of Biometeorology

Hitoshi Wakabayashi, Takayuki Nishimura, Titis Wijayanto, Shigeki Watanuki, Yutaka Tochihara
This study aimed to investigate the effect of repeated cooling of forearm muscle on adaptation in skeletal muscle metabolism. It is hypothesized that repeated decreases of muscle temperature would increase the oxygen consumption in hypothermic skeletal muscle. Sixteen healthy males participated in this study. Their right forearm muscles were locally cooled to 25 °C by cooling pads attached to the skin. This local cooling was repeated eight times on separate days for eight participants (experimental group), whereas eight controls received no cold exposure...
January 12, 2017: International Journal of Biometeorology
Jihoon Jung, Christopher K Uejio
Social network services (SNSs) may benefit public health by augmenting surveillance and distributing information to the public. In this study, we collected Twitter data focusing on six different heat-related themes (air conditioning, cooling center, dehydration, electrical outage, energy assistance, and heat) for 182 days from May 7 to November 3, 2014. First, exploratory linear regression associated outdoor heat exposure to the theme-specific tweet counts for five study cities (Los Angeles, New York, Chicago, Houston, and Atlanta)...
January 11, 2017: International Journal of Biometeorology
Dingmu Xiao, Xuemei Shao, Ningsheng Qin, Xiaomei Huang
Tree-ring width standard chronologies were created from juniperus przewalskii Kom data collected in the Lancang River Headwaters region. Statistical analysis results showed high correlation (r = 0.69) between the composite tree-ring chronology and instrumental streamflow records at the Xiangda Hydrological Station during the annual September-August interval. Streamflow of the Zaqu River in the Lancang river source region was reconstructed for the past 419 years. The model was stable and revealed 14 extremely dry years and 6 extremely wet years...
December 29, 2016: International Journal of Biometeorology
Jakob Wernicke, Philipp Hochreuther, Jussi Grießinger, Haifeng Zhu, Lily Wang, Achim Bräuning
A profound consideration of stable oxygen isotope source water origins is a precondition for an unambiguous palaeoenvironmental interpretation of terrestrial δ (18)O archives. To stress the influence of air mass origins on widely used δ (18)O tree-ring chronologies, we conducted correlation analyses between six annually resolved δ (18)O tree-ring cellulose ([Formula: see text]) chronologies and mean annual air package origins obtained from backward trajectory modeling. This novel approach has been tested for a transect at the southeastern Tibetan plateau (TP), where air masses with different isotopic composition overlap...
December 28, 2016: International Journal of Biometeorology
Iain D Stewart, Chris A Kennedy
Anthropogenic heating from building energy use, vehicle fuel consumption, and human metabolism is a key term in the urban energy budget equation. Heating from human metabolism, however, is often excluded from urban energy budgets because it is widely observed to be negligible. Few reports for low-latitude cities are available to support this observation, and no reports exist on the contribution of domestic animals to urban heat budgets. To provide a more comprehensive view of metabolic heating in cities, we quantified all terms of the anthropogenic heat budget at metropolitan scale for the world's 26 largest cities, using a top-down statistical approach...
December 26, 2016: International Journal of Biometeorology
Aleksandra Langowska, Michał Zawilak, Tim H Sparks, Adam Glazaczow, Peter W Tomkins, Piotr Tryjanowski
There is growing concern about declines in pollinator species, and more recently reservations have been expressed about mismatch in plant-pollinator synchrony as a consequence of phenological change caused by rising temperatures. Long-term changes in honeybee Apis mellifera phenology may have major consequences for agriculture, especially the pollinator market, as well as for honey production. To date, these aspects have received only modest attention. In the current study, we examine honeybee and beekeeping activity in southern Poland for the period 1965-2010, supplemented by hive yields from a beekeeper in southern UK in the same period...
December 24, 2016: International Journal of Biometeorology
Taner Dandinoglu, Ozgur Dandin, Tuncer Ergin, Deniz Tihan, Yasam Kemal Akpak, Oguz Ugur Aydın, Uygar Teomete
Balneotherapy or spa therapy is usually known for different application forms of medicinal waters and its effects on the human body. Our purpose is to demonstrate the effect of balneotherapy on gastrointestinal motility. A total of 35 patients who were treated for osteoarthritis with balneotherapy from November 2013 through March 2015 at our hospital had a consultation at the general surgery for constipation and defecation disorders. Patients followed by constipation scores, short-form health survey (SF-12), and a colonic transit time (CTT) study before and after balneotherapy were included in this study, and the data of the patients were analyzed retrospectively...
December 23, 2016: International Journal of Biometeorology
Katrin Burkart, Patrick L Kinney
Despite the tropical climate which is characterized by generally high temperatures and persistent mild temperatures during the winter season, Bangladesh, along with many other tropical countries, experiences strong winter and cold-related excess mortality. The objective of this paper was to analyse the nature of these cold effects and understand the role of season vs. temperature and diurnal changes in temperature. For approaching these questions, we applied different Poisson regression models. Temperature as well as diurnal temperature range (DTR) were considered as predictor variables...
December 19, 2016: International Journal of Biometeorology
Jaya Bharati, S S Dangi, V S Chouhan, S R Mishra, M K Bharti, V Verma, O Shankar, V P Yadav, K Das, A Paul, S Bag, V P Maurya, G Singh, P Kumar, M Sarkar
Six male Tharparkar cattle aged 2-3 years were selected for the study. The animals were acclimatized in the psychrometric chamber at thermoneutral zone (TNZ) for 15 days and then exposed to 42 °C temperature up to 23 days followed by 12 days of recovery period. Physiological responses were estimated, and peripheral blood mononuclear cells (PBMCs) were isolated at TNZ on day 1, day 5, and day 12; after 6 h of heat stress exposure on day 16 to day 20, day 25, day 30, day 32, day 34, day 36, and day 38; and a recovery period on day 45 and day 50...
December 19, 2016: International Journal of Biometeorology
Maki Sato, Tomoko Wakamura, Takeshi Morita, Akihiko Okamoto, Makoto Akashi, Takuya Matsui, Motohiko Sato
Light is the strongest synchronizer controlling circadian rhythms. The intensity and duration of light change throughout the year, thereby influencing body weight, food preferences, and melatonin secretion in humans and animals. Although the expression of clock genes has been examined using human samples, it currently remains unknown whether bright light during the daytime affects the expression of these genes in humans. Therefore, we herein investigated the effects of bright light exposure during the daytime on clock gene expression in the hair follicular and root cells of the human scalp...
December 17, 2016: International Journal of Biometeorology
Astrid Moser, Mohammad A Rahman, Hans Pretzsch, Stephan Pauleit, Thomas Rötzer
The effects of urban conditions on tree growth have been investigated in an increasing number of studies over the last decades, emphasizing the harsh environment of cities. Urban trees often grow in highly paved, compacted sites with consequently less soil moisture, higher soil temperatures, and greater vapor pressure deficits. However, there is still a knowledge gap regarding the impact of harsh paved environments on urban tree growth during drought years on the growth patterns of urban trees. The present study investigated the structure and growth of the common urban tree species small-leaved lime (Tilia cordata) at a highly paved public square (CPS) compared with a contrasting more open, greener square (OGS)...
December 16, 2016: International Journal of Biometeorology
Pablo A Méndez-Lázaro, Cynthia M Pérez-Cardona, Ernesto Rodríguez, Odalys Martínez, Mariela Taboas, Arelis Bocanegra, Rafael Méndez-Tejeda
Extreme heat episodes are becoming more common worldwide, including in tropical areas of Australia, India, and Puerto Rico. Higher frequency, duration, and intensity of extreme heat episodes are triggering public health issues in most mid-latitude and continental cities. With urbanization, land use and land cover have affected local climate directly and indirectly encouraging the Urban Heat Island effect with potential impacts on heat-related morbidity and mortality among urban populations. However, this association is not completely understood in tropical islands such as Puerto Rico...
December 15, 2016: International Journal of Biometeorology
Lijie Qin, Jianqin Gu, Shijie Liang, Fang Fang, Weimin Bai, Xu Liu, Tao Zhao, Joseph Walline, Shenglong Zhang, Yingjie Cui, Yaxin Xu, Hualiang Lin
Different seasonal health effects of ambient ozone (O3) have been reported in previous studies. This might be due to inappropriate adjustment of temperature in different seasons. We used daily data on non-accidental mortality and ambient air pollution in Zhengzhou from January 19, 2013 to June 30, 2015. Season-stratified analyses using generalized additive models were conducted to evaluate the seasonal associations with adjustment of temperature with different lagged days (lag0-1 for warm season, lag0-14 for cold season)...
December 15, 2016: International Journal of Biometeorology
Josef Hýsek, Radek Vavera, Pavel Růžek
In view of the threat posed by climate change, we studied the influence of temperature, precipitation, cultivar characteristics, and technical management measures on the occurrence of phytopathogenic fungi in wheat during 2009-2013. This work involved experiments at two sites differing in average temperatures and precipitation. Temperature and precipitation appear to influence differences in the spectrum of phytopathogenic fungi at the individual sites. In 2009 (the warmest year), Alternaria triticina was dominant...
December 14, 2016: International Journal of Biometeorology
G Cola, O Failla, D Maghradze, L Megrelidze, L Mariani
No abstract text is available yet for this article.
December 8, 2016: International Journal of Biometeorology
M A Sarath Chandran, A V M Subba Rao, V M Sandeep, V P Pramod, P Pani, V U M Rao, V Visha Kumari, Ch Srinivasa Rao
Heat wave is a hazardous weather-related extreme event that affects living beings. The 2015 summer heat wave affected many regions in India and caused the death of 2248 people across the country. An attempt has been made to quantify the intensity and duration of heat wave that resulted in high mortality across the country. Half hourly Physiologically Equivalent Temperature (PET), based on a complete heat budget of human body, was estimated using automatic weather station (AWS) data of four locations in Andhra Pradesh state, where the maximum number of deaths was reported...
December 8, 2016: International Journal of Biometeorology
Masatoshi Kuribayashi, Nam-Jin Noh, Taku M Saitoh, Akihiko Ito, Yasutaka Wakazuki, Hiroyuki Muraoka
Accurate projection of carbon budget in forest ecosystems under future climate and atmospheric carbon dioxide (CO2) concentration is important to evaluate the function of terrestrial ecosystems, which serve as a major sink of atmospheric CO2. In this study, we examined the effects of spatial resolution of meteorological data on the accuracies of ecosystem model simulation for canopy phenology and carbon budget such as gross primary production (GPP), ecosystem respiration (ER), and net ecosystem production (NEP) of a deciduous forest in Japan...
December 6, 2016: International Journal of Biometeorology
Daisuke Onozuka, Akihito Hagihara
Although recent studies have investigated the effect of extreme heat on emergency transport, few have investigated the spatiotemporal variations of extreme low temperature for emergency transport on a national scale. Data pertaining to emergency ambulance transport and weather variation in the 47 prefectures of Japan between 2007 and 2010 were obtained. Nonlinear and delayed relationships between temperature and morbidity were assessed using a two-stage analysis. First, a Poisson regression analysis allowing for overdispersion in a distributed lag nonlinear model was used to estimate the prefecture-specific effects of temperature on morbidity...
December 5, 2016: International Journal of Biometeorology
Kazuhiro Tanaka, Yasuhiko Watari
The onion fly Delia antiqua advances its eclosion timing with decreasing temperature amplitude to compensate for a depth-dependent phase delay of the zeitgeber. To elucidate whether or not naturally occurring day-to-day variations in the amplitude of soil temperature cycle disturb this compensatory response, we monitored daily variations in the temperature amplitude in natural soils and evaluated the impact on adult eclosion timing. Our results indicated that both median and variance of the soil temperature amplitude become smaller as depth increases...
December 5, 2016: International Journal of Biometeorology
Yu-Cheng Chen, Tzu-Ping Lin, Chien-Ting Lin
Motivated by the increasing thermal load in urban environment, this work established Urban Climatic map (UCmap) focusing on thermal environment issues based on urban development factors, e.g., land cover and building characteristics, representing thermal load of human body and ventilation path in the urban structures. In the established process of UCmap in this work, Tainan city, which is a highly developed city in southern Taiwan, is selected as the research area. A 50-m resolution grid is used to capture urban development factors and the climate data based on 1 year of mobile and fix-point measurements, from which the thermal load and the wind environment map are constructed...
December 3, 2016: International Journal of Biometeorology
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