نتایج جستجو برای: heat waves

تعداد نتایج: 311977  

2017
Camilo Mora Chelsie W. W. Counsell R. Bielecki Leo V Louis

Heat waves, sporadic events of extreme heat, pose a threat to human life. Deaths in excess of 70 000 people during the 2003 European heat wave, 10 000 people during the 2010 Russian heat wave, and high death tolls from numerous other heat waves are staggering demonstrations that extreme climatic conditions are already exceeding human thermoregulatory capacity. The area of the planet experiencin...

M Kaur, R Kumar, S.C Rajvanshi

The present investigation is concerned with the reflection and transmission coefficients of plane waves at the interface of generalized thermoelastic solid half space and heat conducting micropolar fluid half- space. The amplitude ratios of various reflected and transmitted waves with various angle of incidence have been computed numerically and depicted graphically. Micropolarity and thermal r...

2014
Zhiwei Xu Yang Liu Zongwei Ma Ghasem (Sam) Toloo Wenbiao Hu Shilu Tong

A quasi-Poisson generalized linear model combined with a distributed lag non-linear model was used to quantify the main effect of temperature on emergency department visits (EDVs) for childhood diarrhea in Brisbane from 2001 to 2010. Residual of the model was checked to examine whether there was an added effect due to heat waves. The change over time in temperature-diarrhea relation was also as...

2010
Cascade J. B. Sorte Adam Fuller Matthew E. S. Bracken C. J. B. Sorte

Extreme events, such as heat waves, are predicted to increase in frequency, duration, and severity as a consequence of climate change. However, global change research generally focuses on increases in mean temperatures and fails to address the potential impacts of increasingly severe heat waves. In addition, climate change may interact with another primary threat to biodiversity, non-native spe...

Journal: :Circulation. Cardiovascular quality and outcomes 2017
Camilo Mora Chelsie W W Counsell Coral R Bielecki Leo V Louis

Heat waves, sporadic events of extreme heat, pose a threat to human life. Deaths in excess of 70 000 people during the 2003 European heat wave, 10 000 people during the 2010 Russian heat wave, and high death tolls from numerous other heat waves are staggering demonstrations that extreme climatic conditions are already exceeding human thermoregulatory capacity. The area of the planet experiencin...

2016
Nicholas M. Ravanelli Ollie Jay

Heat waves have been responsible for more deaths worldwide than all other natural disasters combined. In Europe, this “silent killer” caused 70000C excess deaths in 2003, and more recently 3500C people died during 2 separate heat waves in India (May 2015) and Pakistan (June 2015) (Fig. 1). Groups among the most vulnerable include the elderly, poor, and people with cardiovascular disease. Identi...

2015
Katherine E. Bishop-Williams Olaf Berke David L. Pearl David F. Kelton

BACKGROUND In Southern Ontario, climate change may have given rise to an increasing occurrence of heat waves since the year 2000, which can cause heat stress to the general public, and potentially have detrimental health consequences. Heat waves are defined as three consecutive days with temperatures of 32 °C and above. Heat stress is the level of discomfort. A variety of heat stress indices ha...

2008
J. Kyselý

Heat waves are among natural hazards with the most severe consequences for human society, including pronounced mortality impacts in mid-latitudes. Recent studies have hypothesized that the enhanced persistence of atmospheric circulation may affect surface climatic extremes, mainly the frequency and severity of heat waves. In this paper we examine relationships between the persistence of the Hes...

2015
Baptiste Martinet Thomas Lecocq Jérémy Smet Pierre Rasmont

Insect decline results from numerous interacting factors including climate change. One of the major phenomena related to climate change is the increase of the frequency of extreme events such as heat waves. Since heat waves are suspected to dramatically increase insect mortality, there is an urgent need to assess their potential impact. Here, we determined and compared the resistance to heat wa...

Journal: :Environmental research 2010
George Theoharatos Katerina Pantavou Anastasios Mavrakis Anastasia Spanou George Katavoutas Panos Efstathiou Periklis Mpekas Dimosthenis Asimakopoulos

Heat waves are considered to be increasing in frequency and intensity whereas they comprise a significant weather-related cause of deaths in several countries. Two heat waves occurred in Greece in summer 2007. These severe heat waves are assessed by analyzing the prevailing synoptic conditions, evaluating human thermal discomfort, through the Heat Load Index (HL), as well as investigating its i...

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