[PDF] Top 20 Disaggregation of spatial rainfall fields for hydrological modelling

... Pr {X=x|evidence E} = Pr {E|X=x} Pr{X=x} / Pr {E} (1) Similarly in SD, a Bayesian update of prior information about the state (wet/dry) of each pixel is achieved by bringing in evidence to bear about the true field. As ... See full document

... useful disaggregation may be possible to even smaller ...resolution disaggregation of the same series can be performed ...in hydrological modelling are required to evaluate their practical ... See full document

... the spatial structure of rainfall accumulated at 30-min time step by reporting the time series of max and min lengths ...intense rainfall occurrence ...high spatial variability of the high ... See full document

... catchment’s spatial drainage characteristic repre- sented by the RR model with spatial distributed travel times of overland flow are ...the rainfall pattern obtained by interpolation did not match ... See full document

... radar spatial scale, considering that a rain gauge usually collects rainfall over 20 cm of surface and the spatial reso- lution of most used radars is of 1 km × 1 ...small-scale rainfall ... See full document

... input fields for rainfall- runoff ...input fields from calibrated radar data and from kriging methods resulted in the best fitting of the simulated runoff hydrograph against observed runoff in three ... See full document

... the rainfall is provided solely by the multifractal component and the heterogeneity is ...of rainfall is affected both by the position of the cloud and the topographical features such as ...the ... See full document

... creased, rainfall variability information at high resolution has become a critical component to study hydrological re- sponse in urban drainage systems using hydrological mod- ...the spatial ... See full document

... instantaneous rainfall estima- tion at high spatial and temporal resolution renders radar rainfall an important alternative to raingauge data for river flow ...radar rainfall in ... See full document

... The rainfall disaggregation approach is an effective way of increasing the temporal resolution of rain- fall data and the model ...higher spatial resolution does not improve or only marginally ... See full document

... accumulated rainfall totals in given periods of tim ...observed rainfall process in term s of the tip times rather than aggregating over discrete tim e ... See full document

... disaggregated rainfall time series in order to better match the long-term water bal- ance characteristics through slightly modifying canopy resis- tance parameters of the evapotranspiration ... See full document

... based hydrological model is available from the controlling district water ...polated rainfall fields using data from the dense raingauge network as well as operational available radar and a combi- ... See full document

... radar rainfall for urban hydrology The field of urban hydrology has over the last decade ex- panded the focus from analysis, design, and operation of ur- ban stormwater systems and wastewater treatment ...to ... See full document

... representing spatial variability and γ is the histogram intersection for the given histogram K of the observed pattern and the histogram L of the simulated pattern, each containing n bins (Swain and Ballard, ... See full document

... Delaunay triangulation produces the most satisfactory triangulation for modelling surfaces. However, if certain linear features need to be represented in a TIN, the TIN must be constrained to ensure that edges are ... See full document

... Hill model data show that hydrological rainfall varied spatially across the hill form; and the pattern of rainfall intensity differed as a function of meteorological rainfall intensity, [r] ... See full document

... assume spatial stationarity, ...noise fields (see point 7 in the requirements of the generator at the beginning of the ...non-stationary fields that display an heteroge- neous distribution of ... See full document

... Before finishing this section, let us see another application. We can use the GP emulator to approximate scalar-valued quantities of interest from any of the output fields, for instance we can compute the total ... See full document

... But the spatial range of such knowledge spillovers is greatly contested 3 (see Karlsson and Manduchi 2001). Several explanations have been offered for this lack of agreement, such as for example the notorious ... See full document