نتایج جستجو برای: maximum and minimum amount of monthly relative humidity

تعداد نتایج: 24079751  

arvin, Abasali, ghangherme, Abdolazim, Hajipour, Davar, Hidari, Mehran,

In this study, by using the Mann-Kendall nonparametric method and Sen' s Estimator slope test, the trend of some elements including  precipitation, average of maximum and minimum temperature and the  number of snowy days Chaharmahal and Bakhtiari Province covers part of Zagros and Zardkohe-Bakhtiari highlands, from which three major rivers including Zayandehrud, Dez and Karun originate. in an a...

Journal: :Revista da Associacao Medica Brasileira 2014
Brena Melo Melania Amorim Leila Katz Isabela Coutinho José Natal Figueiroa

OBJECTIVE The present study aimed at assessing the association between environmental temperature and the relative humidity of the air with frequency of hypertensive disorders of pregnancy. METHODS A prospective and retrospective, descriptive, ecological study was held at a teaching maternity in Recife, Brazil. Data from all 26.125 pregnant women admitted between 2000 and 2006 were analysed an...

Journal: :محیط زیست طبیعی 0
زینب نظری کارشناس ارشد مهندسی منابع طبیعی _ محیط زیست، دانشگاه تهران نعمت الله خراسانی خراسانی استاد، دانشکدۀ پردیس کشاورزی و منابع طبیعی، دانشگاه تهران سادات فیض¬نیا استاد، دانشکدۀ پردیس کشاورزی و منابع طبیعی، دانشگاه تهران محمود کرمی استاد، دانشکدۀ پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

one of atmospheric phenomena of dry and semi-dry areas and areas adjacent to these areas is the phenomenon of dust and production of particulate matter (pm10) that have a lot of environmental hazards. in this research, the purpose is investigation of temporal variations of pm10 concentration during 2005-2010 and influence of meteorological parameters on it. meteorology information have obtained...

Journal: :تحقیقات آب و خاک ایران 0
نیاز علی ابراهیمی پاک دانشیار پژوهشی بخش آبیاری و فیزیک خاک مؤسسة تحقیقات خاک و آب آرش تافته دانشجوی دکتری دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران حسین بابازاده استادیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران

the purpose of this study is evaluation and improvement of production functions to estimate alfalfa yields under different deficit irrigations conditions and determination of “production of yield - water use” in qazvin plain. this investigation was applied by factorial experiment in a randomized complete block design with four water treatments including e4, e3, e2, and e1, respectively, equal t...

Journal: :بهره برداری و پرورش آبزیان 0
غضنفر مرادی نسب دانشگاه هرمزگان دانشکده علوم و فنون دریایی سید یوسف پیغمبری دانشگاه علوم کشاورزی و منابع طبیعی گرگان الهام میررسولی مدرس مدعو گروه شیلات دانشگاه پیام نور، گرگان، ایران

the aim of this study was to investigate on obtained caviar quantity status of sturgeon at fishing grounds of the southwestern caspian sea. data of catches by means of fixed gill nets in sturgeon fish fishing grounds and beach seine were used during 5 years survey (2005-2009). a total of 1361 female sturgeon was caught including: 788 acipenser persicus, 410 a. stellatus, 60 a. guldenstaedti, 70...

Journal: :فیزیک زمین و فضا 0
زهرا شرعی پور مؤسسه ژئوفیزیک دانشگاه تهران، کارشناس هواشناسی

in this paper, seasonal and diurnal variation of pollutants and the relation between meteorological parameters and the amount of pollutant concentrations is investigated. the data used were obtained from the air quality department of the municipality and from the synoptic station of the institute of geophysics. in this survey, the data used are from 2004 to 2007. the result of survey for season...

براتی, حدیث, براتی, محمد, تاج فیروز, علی اکبر, خسروآبادی, علی اصغر, لطفی, محمد حسن, محمدی, مسعود,

Introduction: Leishmaniasis is a major health problem in Iran and it has a heavy economic burden on communities. Therefore, the aim of this study is to investigate the effects of climate on the prevalence and incidence of leishmaniasis in Yazd. Methods: This is an ecological study. Data was collected from health department of Yazd University of Medical Sciences during the years 2003-2007 by ag...

ژورنال: آبخیزداری ایران 2019
Alipour, Hasan, Kazemzadeh, Majid,

In this study, to analyze the pattern of soil temperature changes in the depths of  5, 10, 20, 30, 50 and 100 cm under the influence of temperature (minimum, average and maximum) and humidity (minimum, average and maximum) the Pearson and regression methods were used for Taleghaan synoptic station during the period of 2008 to 2016 . The results showed that soil temperature had the highest corre...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

2014
Le Thi Thanh Xuan Pham Van Hau Do Thi Thu Do Thi Thanh Toan

Background Dengue fever (DF) is a vector-borne disease that is sensitive to weather and climate variability. To date, however, this relationship in coastal northern Vietnam has not been well documented. Objectives This paper aims to examine the associations between meteorological variables and dengue incidence in Haiphong, Vietnam, over the period 2008-2012. Methods Monthly data on dengue incid...

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