نتایج جستجو برای: precipitation prediction

تعداد نتایج: 309951  

2006
Yang Hong Kuo-lin Hsu Hamid Moradkhani Soroosh Sorooshian

[1] The aim of this paper is to foster the development of an end-to-end uncertainty analysis framework that can quantify satellite-based precipitation estimation error characteristics and to assess the influence of the error propagation into hydrological simulation. First, the error associated with the satellite-based precipitation estimates is assumed as a nonlinear function of rainfall space-...

2011
Nathan Snook Ming Xue Youngsun Jung

This study examines the ability of a storm-scale numerical weather prediction (NWP) model to predict precipitation and mesovortices within a tornadic mesoscale convective system that occurred over Oklahoma on 8–9 May 2007, when the model is initialized from ensemble Kalman filter (EnKF) analyses including data from four Engineering Research Center for Collaborative Adaptive Sensing of the Atmos...

Journal: :Remote Sensing 2017
No-Wook Park Phaedon C. Kyriakidis Sungwook Hong

This paper investigates the benefits of integrating coarse resolution satellite-derived precipitation estimates with quasi-point rain gauge data for generating a fine spatial resolution precipitation map product. To integrate the two precipitation data sources, a geostatistical downscaling and integration approach is presented that can account for the differences in spatial resolution between d...

2010
LIANG NING MICHAEL E. MANN ROBERT CRANE THORSTEN WAGENER

This study uses a statistical downscaling method based on self-organizing maps (SOMs) to produce highresolution, downscaled precipitation estimates over the state of Pennsylvania in the mid-Atlantic region of the United States. The SOMs approach derives a transfer function between large-scale mean atmospheric states and local meteorological variables (daily point precipitation values) of intere...

Long-term prediction of precipitation in planning and managing water resources, especially in arid and semi-arid countries such as Iran, has a great importance. In this paper, a method for predicting long-term precipitation using weather signals and artificial neural networks is presented. For this purpose, climatic data (large-scale signals) and meteorological data (local precipitation and tem...

2001
R. W. HIGGINS K. C. MO Y. YAO

Relationships between the interannual variability of the U.S. summer precipitation regime and the intensification, weakening, or changes in position of the climatological-mean circulation features that organize this regime are examined. The focus is on the atmospheric conditions over the conterminous United States relative to wet and dry monsoons over the southwestern United States. The onset o...

2014
Robert Yuen Peter Guttorp

We introduce a hierarchical Gauss-Pareto model for spatial prediction of 24 hour cumulative precipitation over south central Sweden, given that at least one observation is extreme. The model belongs to the max-domain of attraction of popular Brown-Resnick max-stable processes (Brown and Resnick, 1977; Kabluchko et al., 2009) and retains the essential dependence structure of their corresponding ...

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