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Large wood load and transport in a flood-free period within an inter-dam reach: a decade of monitoring the Dyje River, Czech Republic

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020699%3A_____%2F20%3AN0000028" target="_blank" >RIV/00020699:_____/20:N0000028 - isvavai.cz</a>

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/10.1002/esp.4985" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/esp.4985</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/esp.4985" target="_blank" >10.1002/esp.4985</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Large wood load and transport in a flood-free period within an inter-dam reach: a decade of monitoring the Dyje River, Czech Republic

  • Original language description

    This study examined the large wood (LW) load and transport during the non-flood period (2009-2018) following major floods that occurred in 2002 and 2006 within the inter-dam reach of the Dyje River (Czech-Austrian border). The LW load was examined in 36 river corridor segments scattered within the reach in the 2009-2018 period. Two whole-reach surveys (2011 and 2019) on LW frequency and distribution were conducted, and the export of LW to the downstream reservoir was analysed between June 2013 and December 2018. In the period of non-flood discharges, the recruitment and depletion of LW were highly variable processes in space and time, leading to a considerable change in the total LW quantity. Whereas the total number of LW pieces decreased, the total LW volume increased because of the increasing dimensions of newly recruited pieces. The annual variability in the quantity of newly recruited pieces was better explained by the variation in the maximum annual discharges (y= 41.043ln(x) + 3.2737,R-2= 0.5352) than by the variability in the number of days with wind gusts >17.2 m/s (y= 1.5004x+ 82.096,R-2= 0.118). The land use change with the abandonment of human settlements after World War II and the progressive expansion of forest was the major historical factor driving the increased recruitment of LW to the river corridor. While the 2006 (>100-year RI) flood brought approximately 1,250 LW pieces to the reservoir, the 2013 (1.5-year RI) flood delivered 45 pieces. The long-term average monthly input of LW to the reservoir was 7.7 pieces. The exceptional low-magnitude flood of 2013, which occurred at the beginning of the monitoring period, was shown to be a threshold above which the number of LW pieces that floated to the dam significantly increased.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10508 - Physical geography

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Earth Surface Processes and Landforms

  • ISSN

    1096-9837

  • e-ISSN

  • Volume of the periodical

    45

  • Issue of the periodical within the volume

    14

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    16

  • Pages from-to

    3540-3555

  • UT code for WoS article

    000565371800001

  • EID of the result in the Scopus database

    2-s2.0-85090131491