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Categorytrue1Czigány, SModeling of surface runoff in a low-mountain catchment in HungaryEGU2012-2953-2EGU2012-2953-212012The temporal frequency of extreme weather phenomena have been
steadily increasing over the past decades in the
Carpathian Basin. In Hungary, an operational numeric model-based
flash flood guidance (FFG) system is under
development by the flash flood research group of University of
Pécs.
However, to provide an accurate and sufficient number of input
parameters for runoff models and to adapt any
runoff model to low-mountain environments in Hungary, several
pedological and hydrometeorological parameters
need to be studied. During a long-time monitoring (10-minute
measurement intervals), we measured soil moisture,
precipitation, air temperature and relative humidity in a 1.7
km2
low-mountain forested watershed in SW Hungary.
Soil depth was also determined using Vertical Electric
Resistance (VES) methods, borehole drillings and dynamic
probing. Stream water level was also measured at the outflow
point of the watershed.
In the current study we used the HEC-HMS runoff model to analyze
the impact of (a) precipitation, (b) soil moisture
content (c) canopy storage and (d) soil depth on surface runoff.
We also analyzed the impact of (i) rainfall totals,
(ii) rainfall intensities and (iii) percentage of canopy cover
on interception and soil moisture content at a canopy
covered (CS) and a clear-cut site (UCS).
Our results indicate that the average soil moisture content was
about two times higher in the uncovered site than
under canopy cover. Ground precipitation was significantly higher
at the UCS than at the CS, equaling to about 27
percent rainfall retention rate. Our findings indicate that a
close relationship exists between canopy cover ratio and
interception rate. Maximum rainfall intensity and interception
rate showed a relatively high-degree correlation,
while poor correlation was found between rainfall totals and
interception rate. The correlation between average
rainfall intensities and rate of interception was also
relatively low. Ground precipitation, as a crucial input data
for
runoff models, can also be calculated with higher accuracy when
maximum rainfall intensities and canopy cover
ratios or leaf area indices are known.
HEC-HMS model runs indicated higher output accuracy when
correlations between the flood-influencing environmental
parameters were used to refine model input data. Model runs also
showed a pronounced influence of soil
moisture on surface runoff, while the affects of soil depth
exceeding about 0.5 meter and canopy storage were
insignificant.2012truetruefalsetruetruefalseNONE2023-10-16falsetrue10003188CzigánySzabolcs
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Authortrue1000318800000000000000000000000falsefalsefalsefalse2012-10-07T16:41:13.000+00002012-07-09T16:41:13.000+0000Földtudományok Doktori Iskola (PTE / DI); Talajtani és Klimatológiai Tanszék (működött: 2... (PTE / TTK / KTI)319230truetrue10002English
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<div class="BookChapter Publication short-list"> <div class="authors"> <span class="author-name" mtid="10003188"> <a href="/gui2/?type=authors&mode=browse&sel=10003188" target="_blank">Czigány, S</a> </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10021739"> <a href="/gui2/?type=authors&mode=browse&sel=10021739" target="_blank">Balatonyi, L</a> </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10012766"> <a href="/gui2/?type=authors&mode=browse&sel=10012766" target="_blank">Pirkhoffer, E</a> </span> <span class="author-type"> </span> </div ><div class="title"><a href="/gui2/?mode=browse¶ms=publication;2015039" mtid="2015039" target="_blank">Modeling of surface runoff in a low-mountain catchment in Hungary</a></div> <div class="InBook">In: <span class="booktitle"><a href="/gui2/?mode=browse¶ms=publication;2050966" target="_blank">European Geosciences Union (EGU) General Assembly 2012 </a></span > </div><div class="pub-info"> <span class="publishedAt">Wien, Ausztria <span class="year">(2012)</span> <span class="page"> Paper: EGU2012-2953-2 , 1 p. </span> </div> <div class="pub-end"><div class="identifier-list"> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:black" title="http://meetingorganizer.copernicus.org/EGU2012/EGU2012-2953-2.pdf" target="_blank" href="http://meetingorganizer.copernicus.org/EGU2012/EGU2012-2953-2.pdf"> Teljes dokumentum </a> </span> </span> </div> <div class="short-pub-prop-list"> <span class="short-pub-mtid"> Közlemény:2015039 </span> <span class="status-holder"><span class="status-data status-ADMIN_APPROVED"> Admin láttamozott </span></span> <span class="pub-core">Forrás </span> <span class="pub-type">Egyéb konferenciaközlemény (Absztrakt / Kivonat ) </span> <!-- && !record.category.scientific --> <span class="pub-category">Tudományos</span> </div> </div> </div><div class="BookChapter Publication long-list"> <div class="authors"> <img title="Forrásközlemény" style="float: left" src="/frontend/resources/grid/publication-core-icon.png"> <div class="autype autype0"> <span class="author-name" mtid="10003188"><a href="/gui2/?type=authors&mode=browse&sel=10003188" target="_blank">Czigány S (<span class="authorship-author-name">Czigány Szabolcs</span> <span class="authorAux-mtmt"> Talajtan és hidrológia</span>) </a> </span> <span class="author-affil"><span title="Pécsi Tudományegyetem">PTE</span>/<span title="Természettudományi Kar">TTK</span>/<span title="Környezettudományi Intézet (működött: 2013.08.31-ig)">KTI</span>/Talajtani és Klimatológiai Tanszék (működött: 2013.08.31-ig)</span> ; <span class="author-name" mtid="10021739"><a href="/gui2/?type=authors&mode=browse&sel=10021739" target="_blank">Balatonyi L (<span class="authorship-author-name">Balatonyi László</span> <span class="authorAux-mtmt"> PhD Vízgazdálkodás</span>) </a> </span> <span class="author-affil"><span title="Pécsi Tudományegyetem">PTE</span>/<span title="Doktori Iskolák">DI</span>/Földtudományok Doktori Iskola</span> ; <span class="author-name" mtid="10012766"><a href="/gui2/?type=authors&mode=browse&sel=10012766" target="_blank">Pirkhoffer E (<span class="authorship-author-name">Pirkhoffer Ervin</span> <span class="authorAux-mtmt"> Térinformatika</span>) </a> </span> <span class="author-affil"><span title="Pécsi Tudományegyetem">PTE</span>/<span title="Természettudományi Kar">TTK</span>/<span title="Környezettudományi Intézet (működött: 2013.08.31-ig)">KTI</span>/Talajtani és Klimatológiai Tanszék (működött: 2013.08.31-ig)</span> </div> </div> <div class="title"><a href="/gui2/?mode=browse¶ms=publication;2015039" target="_blank">Modeling of surface runoff in a low-mountain catchment in Hungary</a></div> <div class="InBook"><div class="chapter-in">In:</div> <div class="authors"> </div> <div class="booktitle"><a href="/gui2/?mode=browse¶ms=publication;2050966" target="_blank">European Geosciences Union (EGU) General Assembly 2012 </a></div> <div class="conference"> Konferencia helye, ideje: <span class="location">Vienna, Ausztria <span class="conference-date">2012.04.22. - 2012.04.27.</span> </div> <span class="publishedAt">Wien: <span class="page"> Paper EGU2012-2953-2. 1 p. </span> <span class="year">(2012)</span> ( <span class="seriesTitle">Geophysical Research Abstracts</span> <span class="seriesVolume">; 14</span>) </div> <div class="pub-footer"> <span class="language" xmlns="http://www.w3.org/1999/html">Nyelv: Angol | </span> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:black" title="http://meetingorganizer.copernicus.org/EGU2012/EGU2012-2953-2.pdf" target="_blank" href="http://meetingorganizer.copernicus.org/EGU2012/EGU2012-2953-2.pdf"> Teljes dokumentum </a> </span> </span> <div class="mtid"><span class="long-pub-mtid">Közlemény: 2015039</span> | <span class="status-data status-ADMIN_APPROVED"> Admin láttamozott </span> <span class="long-book-mtid">Befoglaló: 2050966</span> <span class="oldId">Régi azonosító: 2015039</span> | <span class="oldId">Befoglaló: 2050966</span> Forrás | <span class="type-subtype">Egyéb konferenciaközlemény ( Absztrakt / Kivonat ) </span> | <span class="pub-category">Tudományos</span> | <span class="publication-sourceOfData">kézi felvitel</span> </div> <div class="lastModified">Utolsó módosítás: 2023.10.16. 15:25 Gáspár Rebeka (PTE_TTK_5, admin) </div> </div> </div>