نتایج جستجو برای: monthly and 24 hourly maximum rainfall data

تعداد نتایج: 17088667  

Journal: :Pamukkale University Journal of Engineering Sciences 2019

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
داریوش یاراحمدی استادیار گروه جغرافیا، دانشگاه لرستان قاسم عزیزی دانشیار دانشکده جغرافیا-دانشگاه تهران

in this article the relationship between the amount of seasonal rainfall (autumn, winter and spring) and climate indices in iran have been studied. the climate indices (the southern oscillation(soi),the north atlantic oscillation(nao), arctic oscillation(ao),nino 3/4,the multivariate enso index(mei),trans_ nino index(tni) and the pacific decadal oscillation(pdo) are used as independent variable...

Journal: :Soil and Water Research 2021

The annual mean rainfall erosivity (R) indicates the potential soil loss caused by precipitation and runoff is used to predict from agricultural hillslopes. R calculated stations with continuously recording databases. However, many short-term real-time databases that also relate intensity are not readily available around Taiwan, hourly data being predominantly available. 10-min accumulation con...

Journal: :پژوهش های جغرافیای طبیعی 0
حسنعلی فرجی سبکبار دانشیار دانشکدة جغرافیا، دانشگاه تهران هادی محمودی میمند کارشناس ارشد gis & rs دانشکدة جغرافیا، دانشگاه تهران سارا نظیف استادیار دانشکده مهندسی عمران، پردیس دانشکدة فنی، دانشگاه تهران رحیم علی عباسپور استادیار دانشکدة نقشه برداری، پردیس دانشکدة فنی، دانشگاه تهران

in the water resources planning and management, rainfall is considered as the main representative factor of region's hydroclimate system. there is a high level of spatial and temporal variability in rainfall events. rain gauges are used for precipitation measurement in different points of the region. due to limitations of rain gauges development, it is impossible to measure the exact distr...

2016
Vishnampettai G Ramachandran Priyamvada Roy Shukla Das Narendra Singh Mogha Ajay Kumar Bansal

OBJECTIVES Aedes mosquitoes are responsible for transmitting the dengue virus. The mosquito lifecycle is known to be influenced by temperature, rainfall, and relative humidity. This retrospective study was planned to investigate whether climatic factors could be used to predict the occurrence of dengue in East Delhi. METHODS The number of monthly dengue cases reported over 19 years was obtain...

2016
Youngjo Choi Choon Siang Tang Lachlan McIver Masahiro Hashizume Vibol Chan Rabindra Romauld Abeyasinghe Steven Iddings Rekol Huy

BACKGROUND Dengue viruses and their mosquito vectors are sensitive to their environment. Temperature, rainfall and humidity have well-defined roles in the transmission cycle. Therefore changes in these conditions may contribute to increasing incidence. The aim of this study was to examine the relationship between weather factors and dengue incidence in three provinces in Cambodia, in order to s...

2007
D. Nagesh Kumar M. Janga Reddy Rajib Maity

This paper presents an Artificial Intelligence approach for regional rainfall forecasting for Orissa state, India on monthly and seasonal time scales. The possible relation between regional rainfall over Orissa and the large scale climate indices like El-Niño Southern Oscillation (ENSO), EQUitorial INdian Ocean Oscillation (EQUINOO) and a local climate index of Ocean-Land Temperature Contrast (...

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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