نتایج جستجو برای: humidity weather

تعداد نتایج: 65938  

2013
Zhenjun Li Ligui Wang Weige Sun Xuexin Hou Haiyan Yang Lina Sun Shuai Xu Qiangzheng Sun Jingshan Zhang Hongbin Song Hualiang Lin

Spatial distribution of bacillary dysentery incidence was mapped at the district level in Wuhan, China. And a generalized additive time series model was used to examine the effect of daily weather factors on bacillary dysentery in the high-risk areas, after controlling for potential confounding factors. Central districts were found to be the high-risk areas. The time series analysis found an ac...

Journal: :علوم باغبانی ایران 0
زهرا کریمیان دانشجوی سابق دکتری دانشکده کشاورزی دانشگاه فردوسی مشهد علی تهرانی فر استاد دانشکده کشاورزی دانشگاه فردوسی مشهد محمد بنایان دانشیار دانشکده کشاورزی دانشگاه فردوسی مشهد مجید عزیزی استاد دانشکده کشاورزی دانشگاه فردوسی مشهد فاطمه کاظمی استاد یاردانشکده کشاورزی دانشگاه فردوسی مشهد

considering high population and hot and arid climate in most cities in iran, creating optimum thermal comfort during the hot periods is necessary. an experiment was conducted to examine the effect of percentage vegetation and hard surfaces on changes of temperature, humidity and thermal comfort of in three urban sites and mashhad weather station was investigated. climate and recorded data from ...

2003
Angel Pardo Enric Valor

Psychological studies support the existence of an influence of weather on mood. Saunders (1993) and Hirshleifer and Shumway (2001) argue that the weather could affect the behaviour of market traders and, therefore, it should be reflected in the stock returns. This paper investigates the possible relation between weather and market index returns in the context of the Spanish market. In 1989, thi...

2013
S. Wongkoon M. Jaroensutasinee K. Jaroensutasinee

BACKGROUND & OBJECTIVES Environmental factors including weather variables may play a significant role in the transmission of dengue. This study investigated the effect of seasonal variation on the abundance of Aedes aegypti and Ae. albopictus larvae and explored the impact of weather variability on dengue transmission in Sisaket, Thailand. METHODS The monthly mosquito larval surveys were carr...

Journal: :Thorax 2009
D Onozuka M Hashizume A Hagihara

BACKGROUND Although multiple combinations of weather factors may contribute to an increased incidence of Mycoplasma pneumoniae pneumonia, few studies have investigated the association between weather factors and cases of M pneumoniae pneumonia. METHODS Data on cases of M pneumoniae pneumonia and weather factors in Fukuoka, Japan from 1999 to 2007 were obtained and time-series analysis was use...

Journal: :Epidemiology and infection 2013
C E Dunn B Rowlingson R S Bhopal P Diggle

This study investigated the relationships between Legionnaires' disease (LD) incidence and weather in Glasgow, UK, by using advanced statistical methods. Using daily meteorological data and 78 LD cases with known exact date of onset, we fitted a series of Poisson log-linear regression models with explanatory variables for air temperature, relative humidity, wind speed and year, and sine-cosine ...

2013
Shohana Rahman Deeba

This paper presents the correlation between the reliability and the weather scenario of Bangladesh Power System (BPS). Reliability of the power system is one of the major features of power quality. The variation of electrical demand above its base value is its common characteristic. The weather dependent variation of demand, especially where the weather is severe in nature, requires a significa...

2014
Aigar Niglas Priit Kupper Arvo Tullus Arne Sellin

An increase in average air temperature and frequency of rain events is predicted for higher latitudes by the end of the 21st century, accompanied by a probable rise in air humidity. We currently lack knowledge on how forest trees acclimate to rising air humidity in temperate climates. We analysed the leaf gas exchange, sap flow and growth characteristics of hybrid aspen (Populus tremula × P. tr...

Journal: :IEEE Trans. Geoscience and Remote Sensing 2001
Philip W. Rosenkranz

The NOAA-15 weather satellite carries the Advanced Microwave Sounding Units-A and -B (AMSU-A, AMSU-B) which measure thermal emission from an atmospheric oxygen band, two water lines, and several window frequencies. An iterated minimum-variance algorithm retrieves profiles of temperature and humidity in the atmosphere from this data. Relative humidity is converted into absolute humidity with use...

2007
C. van der Tol A. J. Dolman

The aim of this study is to explain topography induced spatial variations in the diurnal cycles of assimilation and latent heat of Mediterranean forest. Spatial variations of the fluxes are caused by variations in weather conditions and in vegetation characteristics. Weather conditions reflect short-term effects of climate, whereas vegetation characteristics, through adaptation and acclimation,...

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