Increasing volatility of reconstructed Morava River warm-season flow, Czech Republic

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652079%3A_____%2F23%3A00578927" target="_blank" >RIV/86652079:_____/23:00578927 - isvavai.cz</a>

Alternative codes found

RIV/60460709:41330/23:97226 RIV/00216224:14310/23:00133082 RIV/62156489:43210/23:43924025 RIV/62156489:43410/23:43924025 and 2 more

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S2214581823002215?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2214581823002215?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ejrh.2023.101534" target="_blank" >10.1016/j.ejrh.2023.101534</a>

Result language

angličtina

Original language name

Increasing volatility of reconstructed Morava River warm-season flow, Czech Republic

Original language description

Study region: The Morava River basin, Czech Republic, Danube Basin, Central Europe.Study focus: Hydrological summer extremes represent a prominent natural hazard in Central Europe. River low flows constrain transport and water supply for agriculture, industry and society, and flood events are known to cause material damage and human loss. However, under-standing changes in the frequency and magnitude of hydrological extremes is associated with great uncertainty due to the limited number of gauge observations. Here, we compile a tree-ring network to reconstruct the July-September baseflow variability of the Morava River from 1745 to 2018 CE. An ensemble of reconstructions was produced to assess the impact of calibration period length and trend on the long-term mean of reconstruction estimates. The final estimates represent the first baseflow reconstruction based on tree rings from the European continent. Simulated flows and historical documentation provide quantitative and qualitative validation of estimates prior to the 20th century. New hydrological insights for theregion: The reconstructions indicate an increased variability of warm-season flow during the past 100 years, with the most extreme high and low flows occurring after the start of instrumental observations. When analyzing the entire reconstruction, the negative trend in baseflow displayed by gauges across the basin after 1960 is not unprecedented. We conjecture that even lower flows could likely occur in the future considering that preinstrumental trends were not primarily driven by rising temperature (and the evaporative demand) in contrast to the recent trends.

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

10501 - Hydrology

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)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2023

Confidentiality

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

Name of the periodical

Journal of Hydrology: Regional Studies

ISSN

2214-5818

e-ISSN

2214-5818

Volume of the periodical

50

Issue of the periodical within the volume

DEC

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

16

Pages from-to

101534

UT code for WoS article

001088759200001

EID of the result in the Scopus database

2-s2.0-85172005775