نتایج جستجو برای: rainfall forecasting

تعداد نتایج: 72486  

2010
Wen-Yi Zhang Wei-Dong Guo Li-Qun Fang Chang-Ping Li Peng Bi Gregory E. Glass Jia-Fu Jiang Shan-Hua Sun Quan Qian Wei Liu Lei Yan Hong Yang Shi-Lu Tong Wu-Chun Cao

BACKGROUND The transmission of hemorrhagic fever with renal syndrome (HFRS) is influenced by climatic variables. However, few studies have examined the quantitative relationship between climate variation and HFRS transmission. OBJECTIVE We examined the potential impact of climate variability on HFRS transmission and developed climate-based forecasting models for HFRS in northeastern China. ...

2017
Long Yan Hong Wang Xuan Zhang Ming-Yue Li Juan He

OBJECTIVES Influence of meteorological variables on the transmission of bacillary dysentery (BD) is under investigated topic and effective forecasting models as public health tool are lacking. This paper aimed to quantify the relationship between meteorological variables and BD cases in Beijing and to establish an effective forecasting model. METHODS A time series analysis was conducted in th...

1985
M. B. Plain R. W. Vervoort

Papers published in Hydrology and Earth System Sciences Discussions are under open-access review for the journal Hydrology and Earth System Sciences Abstract A major limitation of statistical forecasts for specific weather station sites is that they are not spatial in the true sense. And while spatial predictions have been studied, their results have indicated a lack of seasonality. Global Circ...

2008
A. W. Jayawardena

Climatic variability, unplanned land use pattern and encroachment into the flood plain are affecting the hydrology of Bagmati river basin of Nepal. In this study, methodology to improve present flood management system with non-structural countermeasures has been elaborated. Study of hydrological condition, basin scale rainfall runoff modeling and inundation analysis is helpful to prepare commun...

2000
Yonas B. Dibike

River flow forecasting is required to provide basic information on a wide range of problems related to the design and operation of river systems. The availability of extended records of rainfall and other climatic data, which could be used to obtain stream flow data, initiated the practice of rainfall-runoff modelling. While conceptual or physically-based models are of importance in the underst...

2015
C. J. White S. W. Franks D. McEvoy

Meteorological and hydrological centres around the world are looking at ways to improve their capacity to be able to produce and deliver skilful and reliable forecasts of high-impact extreme rainfall and flooding events on a range of prediction timescales (e.g. sub-daily, daily, multi-week, seasonal). Making improvements to extended-range rainfall and flood forecast models, assessing forecast s...

2012
S. MONIRA SUMI M. FAISAL ZAMAN HIDEO HIROSE

In the present article, an attempt has been made to derive optimal data-driven machine learning methods for forecasting average daily and monthly rainfall of Fukuoka city in Japan. This comparative study has been conducted from three aspects: modelling inputs, modelling methods and pre-processing techniques. A comparison between linear correlation analysis and average mutual information is done...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2005
James Verdin Chris Funk Gabriel Senay Richard Choularton

Food security assessment in sub-Saharan Africa requires simultaneous consideration of multiple socio-economic and environmental variables. Early identification of populations at risk enables timely and appropriate action. Since large and widely dispersed populations depend on rainfed agriculture and pastoralism, climate monitoring and forecasting are important inputs to food security analysis. ...

Journal: :Applied Mathematics and Computer Science 2012
Sirajum Monira Sumi Faisal Zaman Hideo Hirose

In the present article, an attempt is made to derive optimal data-driven machine learning methods for forecasting an average daily and monthly rainfall of the Fukuoka city in Japan. This comparative study is conducted concentrating on three aspects: modelling inputs, modelling methods and pre-processing techniques. A comparison between linear correlation analysis and average mutual information ...

1999
GIDON ESHEL MARK A. CANE BRIAN F. FARRELL

A dynamically motivated statistical forecasting scheme for eastern Mediterranean winter rainfall is presented. The scheme is based on North Atlantic sea level pressure precursors. The resulting forecasts are robust and statistically significant at ;13 months lead time, and improve at ;7 months lead. It is suggested that these forecasts form a foundation for an operational early-warning system f...

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