نتایج جستجو برای: monthly rainfall

تعداد نتایج: 62739  

2005
D. Nagesh Kumar M. Janga Reddy Rajib Maity

The continuous occurrence of changes in the global climate causes significant variability in the seasonal and intra-seasonal rainfall pattern, which often leads to frequent floods and droughts in India. To reduce the magnitude of effect of such natural calamities and for better management of water resources, it is essential to predict the rainfall, well in advance. In this study the possible re...

2012
S. Nandargi S. S. Mulye

There are limitations in using monthly rainfall totals in studies of rainfall climatology as well as in hydrological and agricultural investigations. Variations in rainfall may be considered to result from frequency changes in the daily rainfall of the respective regime. In the present study, daily rainfall data of the stations inside the Koyna catchment has been analysed for the period of 1961...

2015
L. R. Barbosa E. S. Freitas C. N. Almeida D. C. D. Melo João Pessoa

In 2003, a network for hydrology of the semiarid region (REHISA in Portuguese) was created in Brazil. Since then, experimental watersheds in this region has been providing hydrometeorological data collected in automatic stations. However, the spatial distribution of these gauges might be insufficient to thoroughly understand the hydrological processes occurring in the area. Remotely sensed hydr...

2018
Carlos H. R. Lima Amir AghaKouchak James T. Randerson

Extreme droughts and high temperatures have becomemore frequent in the last two decades, increasing fire risk in the Amazon. The overarching goal of this study is to shed light on the influence of temperature and rainfall on fire occurrence for the 1998–2013 period. We use a Poisson regression to model satellite-based monthly fire counts across the Brazilian Amazon as a function of observed rai...

2013
Sherin Ahamed Julia Piantadosi Manju Agrawal John Boland

Synthetic rainfall data has a large number of uses. Specifically, the behaviour of a reservoir under most scenarios can be best understood when evaluated using a large number of synthetic inputs. These synthetic values are all equally probable to occur but many of them may not have appeared in the historical record. Stochastic weather generators produce these synthetic data that were statistica...

2006
Rajib Maity Nagesh Kumar

The hydroclimatic association between the monthly Indian summer monsoon rainfall and a proposed monthly composite index (MCI) of large-scale atmospheric circulations from the Pacific Ocean and Indian Ocean regions is established. The spatial variability of this association is also checked. The predictability of the monthly Indian summer monsoon rainfall using the MCI is also investigated and is...

2010
Leesa D. Bruggink John A. Marshall

The relationship between the incidence of norovirus-associated gastroenteritis outbreaks (NAGOs) in Victoria, Australia for the period 2002-2007 and rainfall was examined. Statistical analysis involving the correlation between time series indicated that there was a statistically significant (p < 0.05) correlation between monthly NAGO incidence and average monthly rainfall. There was a lag of an...

Journal: :تحقیقات آب و خاک ایران 0
علی رحیمی خوب دانشیار، پردیس ابوریحان

a prediction of maximum monthly rainfall is indispensable for management of agriculture and for management of water resources. previous studies have demonstrated that see surface temperatures affect rainfall in their surrounding regions. in this study the relationship between sea surface temperatures of persian gulf and that of red sea, and maximum monthly rainfalls recorded at illam meteorolog...

2011
Grit Schuster Elizabeth E Ebert Mark A Stevenson Robert J Corner Cheryl A Johansen

BACKGROUND Murray Valley encephalitis virus (MVEV) is a mosquito-borne Flavivirus (Flaviviridae: Flavivirus) which is closely related to Japanese encephalitis virus, West Nile virus and St. Louis encephalitis virus. MVEV is enzootic in northern Australia and Papua New Guinea and epizootic in other parts of Australia. Activity of MVEV in Western Australia (WA) is monitored by detection of seroco...

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