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representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

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Nội dung chi tiết: representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approachachFrancesca Cecinati. Miguel Angel Rico-Ramirez. Gerard B.M. Heuvelink.Dawci Han1’11:S0Ơ22-1694(17)30132-4DOI:http://dx.doi.org/l0.10l6/jjhydrol.2017

.02.053Reference:HYDROL 21852To appear in:Journal of HydrologyReceived Date:42388Revised Date:42773Accepted Date:42792Please cite this article as: Cec representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

inati. F.. Rico-Ramirez. M.A.. Heuvelink. G.B.M.. Han. D.. Representing radar rainfall uncertainly with ensembles based on a time-variant geostatistic

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

al error modelling approach. Journal of Hydrology (2017). doi: http://dx.doi.org/IO. 10l6/j.jhydrol.2017.02.053This is a PDF file of an unedited manus

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production

process errors may be discovered w hich could affect the content, and all legal disclaimers that apply to the journal pertain.ACCEPTED MANUSCRIPTRepre representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

senting radar rainfalluncertainty with ensemblesAuthors: Francesca Cecinati', Miguel Angel Rico-Ramirez", Gerard B.modelling approachM. Heuvelink0, ba

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

wei Han-''University of Bristol, Department of Civil Engineering, BS8 1UH,ristol, UKbWageningen University, Soil Geography and Landscape Group, POBox

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approachntitative precipitation estimation (QPE) to hydrology and water quality models can be preferred to interpolated rainfall point measurements because of

the wide coverage that radars can provide, together with a good spatiotemporal resolution. Nonetheless, it is often limited by the proneness of radar representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

QPE to a multitude of errors. Although radar errors have been widely studied and techniques have been developed to correct most of them, residual err

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

ors are still intrinsic in radar QPE. An estimation of uncertainty of radar QPE and an assessment of uncertainty propagation in modelling applications

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approachle tool for this purpose Is the generation of radar rainfall ensembles. An ensemble is the representation of the rainfall field and Its uncertainty th

rough a collection of possible alternative rainfall fields, produced according to the observed errors, their spatial characteristics, and their probab representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

ility distribution. The errors are derived from a comparison between radar QPE and ground point measurements. The novelty of the proposed ensemble gen

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

erator is that it IS based on a geostatistical approach that assures a fast and robust generation of synthetic error fields, based on the time-variant

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approachcase study in Northern England, using the2ACCEPTED MANUSCRIPTUK Met Office NIMROD radar composites at 1 km resolution and at 1 hour accumulation on an

area of 180 km by 180 km.The errors are estimated using a network of 199 tipping bucket rain gauges from the Environment Agency. 183 of the rain gaug representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

es are used for the error modelling, while 16 are kept apart for validation. The validation is done by comparing the radar rainfall ensemble witl the

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

values recorded by the validation rain gauges. The validated ensemble is then tested on a hydrological case study, to show the advantage of probabilis

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approachidual uncertainty can be attributed to other sources of uncertainty, in particular to model structural uncertainty, parameter identification uncertain

ty, uncertainty in other Inputs, and uncertainty in the observed flow.KeywordsRadar QPE error model, time-variant variograms, radar ensemble, conditio representing radar rainfall uncertainty with ensembles based on a time variant geostatistical error modelling approach

nal simulations, rainfall uncertainty propagation.

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

Accepted ManuscriptResearch papersRepresenting radar rainfall uncertainty with ensembles based on a time-variant geostatistical error modelling approa

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