Analysis of rainfall time structures on a scale of hours

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F18%3A00490951" target="_blank" >RIV/68378289:_____/18:00490951 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11310/18:10380822

Result on the web

<a href="http://dx.doi.org/10.1016/j.atmosres.2018.04.015" target="_blank" >http://dx.doi.org/10.1016/j.atmosres.2018.04.015</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.atmosres.2018.04.015" target="_blank" >10.1016/j.atmosres.2018.04.015</a>

Result language

angličtina

Original language name

Analysis of rainfall time structures on a scale of hours

Original language description

The paper is motivated by the enormous variability of short-term rainfall time structures which need to be discretized into several typical variants and explained from the viewpoint of rainfall types producing them. We present six variants of the time structure of 6-h rainfalls in Czechia, distinguished by a novel methodology for designing synthetic hyetographs. Reference 6-h rainfall episodes were extracted from radar-derived precipitation time series with a time resolution of 10 min, adjusted by daily data from rain gauges. The variants were distinguished by three indexes that quantify the precipitation concentration within time steps from one to six hours. The episodes with steady precipitation intensity during the entire episode are mainly stratiform or possibly mixed and frequently take much longer than six hours because of circulation patterns producing them: central and northeastern cyclonic types are most represented. All other variants of episodes frequently occur when a trough is situated above Central Europe. Episodes with steady intensity lasting about three hours are still mainly stratiform or mixed while two variants represented by ´two-humped´ hyetographs are usually mixed or convective. Two variants of most concentrated episodes are mainly convective or possibly mixed: they are characterized by enhanced frequency of southwestern and eastern cyclonic types. Future research on cluster frequencies among maximum precipitation episodes in various regions will enable the improvement of design hydrographs of small streams where runoff is basically influenced by the rainfall time structure.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10509 - Meteorology and atmospheric sciences

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Atmospheric Research

ISSN

0169-8095

e-ISSN

—

Volume of the periodical

211

Issue of the periodical within the volume

Oct 1

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

14

Pages from-to

38-51

UT code for WoS article

000436224300005

EID of the result in the Scopus database

2-s2.0-85047299258