نتایج جستجو برای: rainfall prediction

تعداد نتایج: 282840  

2016
M. Sudha

Article history: Received February 25, 2016 Received in revised format: March 28, 2016 Accepted June 26, 2016 Available online June 26 2016 Weather forecasting is essential and demanding scientific task of meteorological services across the world. It is a complex procedure that includes many specific technological field of study. The prediction is intricate process in meteorology because all de...

Journal: :Int. J. Digital Earth 2016
Pasquale Borrelli Nazzareno Diodato Panos Panagos

Soil erosion by water is a serious threat for the Mediterranean region. Raindrop impacts and consequent runoff generation are the main driving forces of this geomorphic process of soil degradation. The potential ability for rainfall to cause soil loss is expressed as rainfall erosivity, a key parameter required by most soil loss prediction models. In Italy, rainfall erosivity measurements are l...

2018
Qin Jiang Weiyue Li Jiahong Wen Can Qiu Weiwei Sun Qilin Fang Ming Xu Jianguo Tan

Satellite-based rainfall products have extensive applications in global change studies, but they are known to contain deviations that require comprehensive verification at different scales. In this paper, we evaluated the accuracies of two high-resolution satellite-based rainfall products: the Tropical Rainfall Measurement Mission (TRMM) rainfall product 3B42V7 and the Climate Prediction Center...

Journal: :Journal of physics 2021

Rainfall plays a vital role in human life rather than other weather events. As the variations are unpredictable, it difficult to predict rainfall over region, so that forecasting carried out by metrological department has been most crucial and demanding one. Fuzzy logic models have proposed perform forecasting, its prime operations fuzzification defuzzification. These simple employ but offer be...

2003
Boyko Dodov

Many recent studies have been devoted to the investigation of the nonlinear dynamics of rainfall or streamflow series based on methods of dynamical systems theory. Although finding evidence for the existence of a low-dimensional deterministic component in rainfall or streamflow is of much interest, not much attention has been paid to the nonlinear dependencies of the two and especially on how t...

2001
Ajith Abraham Dan Steinberg Ninan Sajeeth Philip

Long-term rainfall prediction is a challenging task especially in the modern world where we are facing the major environmental problem of global warming. In general, climate and rainfall are highly non-linear phenomena in nature exhibiting what is known as the "butterfly effect". While some regions of the world are noticing a systematic decrease in annual rainfall, others notice increases in fl...

ژورنال: علوم آب و خاک 2015
بهره‌مند, عبدالرضا , دهقانی, نوید, وفاخواه, مهدی ,

Rainfall-runoff modeling and prediction of river discharge is one important parameter in flood control and management, hydraulic structure design, and drought management. The goal of this study is simulating the daily discharge in Kasilian watershed by using WetSpa model and adaptive neuro-fuzzy inference system (ANFIS). The WetSpa model is a distributed hydrological and physically based model,...

2016
Margaret Kimani Zhongbo Su

Accurate and consistent rainfall observations are vital for climatological studies in support of better planning and decision making. However, estimation of accurate spatial rainfall is limited by sparse rain gauge distributions. Satellite rainfall products can thus potentially play a role in spatial rainfall estimation but their skill and uncertainties need to be under-stood across spatialtime...

2015
R. Chandran P. A. Azeez

Dengue is known in India since 1940s, but the disease is very limited in its spread. Dengue is becoming rampant in many states of southern India. As of now, no specific treatments (therapies) or vaccines are available against the disease. The people of Tamil Nadu and Puducherry, where the dengue incidences are increasing, perceive this spurt as due to poor rainfall and power supply. We attempte...

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