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Temperature extremes and circulation types in the Czech Republic, 1961–2020

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020699%3A_____%2F21%3AN0000037" target="_blank" >RIV/00020699:_____/21:N0000037 - isvavai.cz</a>

  • Nalezeny alternativní kódy

    RIV/68378289:_____/22:00552894 RIV/86652079:_____/22:00559357 RIV/62156489:43210/22:43921118 RIV/00216224:14310/22:00125356

  • Výsledek na webu

    <a href="https://rmets.onlinelibrary.wiley.com/doi/epdf/10.1002/joc.7505" target="_blank" >https://rmets.onlinelibrary.wiley.com/doi/epdf/10.1002/joc.7505</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/joc.7505" target="_blank" >10.1002/joc.7505</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Temperature extremes and circulation types in the Czech Republic, 1961–2020

  • Popis výsledku v původním jazyce

    This paper presents the characteristics of extreme temperatures in the Czech Republic, as calculated from homogenized series of daily maximum (TMAX) and daily minimum (TMIN) temperatures recorded by 133 climatological stations throughout the territory in the 1961–2020 period. In general, statistically significant increasing linear trends were recognized in series of absolute TMAX, absolute TMIN, numbers of summer days, tropical days, days with tropical nights, heat-wave, and warm-anomaly days. Significant decreasing linear trends appeared in series of numbers of frost days, ice days, cold-wave, and cold-anomaly days. Objective classification of circulation types demonstrated the importance of anticyclonic types (especially those with warm airflow from the southern quadrant) and an unclassified type in the development of summer hot extremes, while winter cold extremes were linked to cold (north-)easterly advection. Significant changes in the frequency of certain circulation types emerged, as well as an increasing number of anticyclonic types conducive to hot extremes, a trend that contributed to their more frequent occurrence in recent decades. Existing trends in temperatures were complemented by spatiotemporal analysis of extreme temperatures, the characteristics of extremes and the circulation types in the two “normal” periods of 1961– 1990 and 1991–2020. These exhibited significant differences in means and variances. The results obtained are also discussed in a broader context.

  • Název v anglickém jazyce

    Temperature extremes and circulation types in the Czech Republic, 1961–2020

  • Popis výsledku anglicky

    This paper presents the characteristics of extreme temperatures in the Czech Republic, as calculated from homogenized series of daily maximum (TMAX) and daily minimum (TMIN) temperatures recorded by 133 climatological stations throughout the territory in the 1961–2020 period. In general, statistically significant increasing linear trends were recognized in series of absolute TMAX, absolute TMIN, numbers of summer days, tropical days, days with tropical nights, heat-wave, and warm-anomaly days. Significant decreasing linear trends appeared in series of numbers of frost days, ice days, cold-wave, and cold-anomaly days. Objective classification of circulation types demonstrated the importance of anticyclonic types (especially those with warm airflow from the southern quadrant) and an unclassified type in the development of summer hot extremes, while winter cold extremes were linked to cold (north-)easterly advection. Significant changes in the frequency of certain circulation types emerged, as well as an increasing number of anticyclonic types conducive to hot extremes, a trend that contributed to their more frequent occurrence in recent decades. Existing trends in temperatures were complemented by spatiotemporal analysis of extreme temperatures, the characteristics of extremes and the circulation types in the two “normal” periods of 1961– 1990 and 1991–2020. These exhibited significant differences in means and variances. The results obtained are also discussed in a broader context.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    10510 - Climatic research

Návaznosti výsledku

  • Projekt

    Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

  • Návaznosti

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

Ostatní

  • Rok uplatnění

    2021

  • Kód důvěrnosti údajů

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

Údaje specifické pro druh výsledku

  • Název periodika

    International Journal of Climatology

  • ISSN

    0899-8418

  • e-ISSN

    1097-0088

  • Svazek periodika

    „neuveden“

  • Číslo periodika v rámci svazku

    December 2021

  • Stát vydavatele periodika

    US - Spojené státy americké

  • Počet stran výsledku

    22

  • Strana od-do

    1-22

  • Kód UT WoS článku

    000748556200001

  • EID výsledku v databázi Scopus

    2-s2.0-85120770442