نتایج جستجو برای: climatic

تعداد نتایج: 31884  

Journal: :Monthly Weather Review 1908

Journal: :Eos, Transactions American Geophysical Union 1997

2012
Dilip C. Nath Dimacha Dwibrang Mwchahary

A favorable climatic condition for transmission of malaria prevails in Kokrajhar district throughout the year. A sizeable part of the district is covered by forest due to which dissimilar dynamics of malaria transmission emerge in forest and non-forest areas. Observed malaria incidence rates of forest area, non-forest area and the whole district over the period 2001-2010 were considered for ana...

2016
Caroline A. Curtis Bethany A. Bradley

BACKGROUND Although increasingly sophisticated environmental measures are being applied to species distributions models, the focus remains on using climatic data to provide estimates of habitat suitability. Climatic tolerance estimates based on expert knowledge are available for a wide range of plants via the USDA PLANTS database. We aim to test how climatic tolerance inferred from plant distri...

Journal: :تحقیقات آب و خاک ایران 0
پریسا سادات آشفته دانشجوی دکتری مهندسی منابع آب، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران امید بزرگ حداد دانشیار گروه مهندسی آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

in this study, long-term trends and abrupt changes of hydro-climatic variables was investigated in the observed period 1971-2000 for aidoghmoush basin using mann-kendall nonparametric test and cumulative curve of climatic variables-runoff, respectively. results show decrease trends for rainfall and runoff and increase trend for temperature by the mann-kendall test with a confidence level of 99%...

2017

Mosquito-borne diseases particularly malaria is becoming most dreaded health problems in the Coastal Blocks of Ramanathapuram District, Tamilnadu, India. In Coastal Blocks of Ramanathapuram District, malaria is seasonal and unstable, causing frequent epidemics. For transmission of malaria parasite, climatic factors are important determinants such as rain fall, temperature relative humidity and ...

Journal: :تحقیقات جغرافیایی 0
بختیار محمدی دانشگاه کردستان

the knowledge about climatic comfort plays an important role in the humans life and her activities. in fact many human activates are directly related with climatic comfort in every region. this paper analyzed the climatic comfort in province kurdistan (sanandaj, saghez, bijar, ghorve, zarine, marivan and bane meteorological stations). rates of climatic comfort analyzed in meteorological station...

2005
PAUL F. HESSBURG ELLEN E. KUHLMANN THOMAS W. SWETNAM

Ecological theory asserts that the climate of a region exerts top-down controls on regional ecosystem patterns and processes, across space and time. To provide empirical evidence of climatic controls, it would be helpful to define climatic regions that minimized variance in key climate attributes, within climatic regions—define the periods and features of climatic regimes, and then look for con...

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