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231224s2013 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2013.300
|2 doi
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|a pubmed24n0768.xml
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|a (NLM)23985501
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Li-Pen
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Radar-raingauge data combination techniques
|b a revision and analysis of their suitability for urban hydrology
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 05.12.2013
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|a Date Revised 02.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a The applicability of the operational radar and raingauge networks for urban hydrology is insufficient. Radar rainfall estimates provide a good description of the spatiotemporal variability of rainfall; however, their accuracy is in general insufficient. It is therefore necessary to adjust radar measurements using raingauge data, which provide accurate point rainfall information. Several gauge-based radar rainfall adjustment techniques have been developed and mainly applied at coarser spatial and temporal scales; however, their suitability for small-scale urban hydrology is seldom explored. In this paper a review of gauge-based adjustment techniques is first provided. After that, two techniques, respectively based upon the ideas of mean bias reduction and error variance minimisation, were selected and tested using as case study an urban catchment (∼8.65 km(2)) in North-East London. The radar rainfall estimates of four historical events (2010-2012) were adjusted using in situ raingauge estimates and the adjusted rainfall fields were applied to the hydraulic model of the study area. The results show that both techniques can effectively reduce mean bias; however, the technique based upon error variance minimisation can in general better reproduce the spatial and temporal variability of rainfall, which proved to have a significant impact on the subsequent hydraulic outputs. This suggests that error variance minimisation based methods may be more appropriate for urban-scale hydrological applications
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Review
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| 700 |
1 |
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|a Ochoa-Rodríguez, Susana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Simões, Nuno Eduardo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Onof, Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maksimović, Cedo
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 68(2013), 4 vom: 30., Seite 737-47
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:68
|g year:2013
|g number:4
|g day:30
|g pages:737-47
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| 856 |
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|u http://dx.doi.org/10.2166/wst.2013.300
|3 Volltext
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