Air circulation and its impact on microclimatic variables in the Císařská Cave (Moravian Karst, Czech Republic)

Kód výsledku v IS VaVaI

RIV/00216224:14310/12:00057194 - isvavai.cz

Nalezeny alternativní kódy

RIV/00025798:_____/12:00000093

Výsledek na webu

http://dx.doi.org/10.1002/joc.2298

DOI - Digital Object Identifier

10.1002/joc.2298

Jazyk výsledku

angličtina

Název v původním jazyce

Air circulation and its impact on microclimatic variables in the Císařská Cave (Moravian Karst, Czech Republic)

Popis výsledku v původním jazyce

Airflows and their impact on microclimatic parameters were studied in the two entranced Císařská Cave (Moravian Karst, Czech Republic). Basing on the airflow direction with respect to the upper entrance (UE) and lower entrance (LE), three ventilation modes were distinguished: upward airflow one (UAF mode), downward airflow one (DAF mode), and transitional mode. A switching between the UAF and DAF happens in the transitional mode, in the range of external temperatures from 9.5 to 11.1 C. Basing on the extent of cave ventilation, a period of active ventilation and period of stagnant ventilation were recognised. The cave air is intensively exchanged with external airs during the active ventilation period when the cave persists in either the DAF or UAF mode. During the stagnant ventilation period, the single airflow modes switch during diurnal cycle and only cave entering passages are vented (impacted).

Název v anglickém jazyce

Air circulation and its impact on microclimatic variables in the Císařská Cave (Moravian Karst, Czech Republic)

Popis výsledku anglicky

Airflows and their impact on microclimatic parameters were studied in the two entranced Císařská Cave (Moravian Karst, Czech Republic). Basing on the airflow direction with respect to the upper entrance (UE) and lower entrance (LE), three ventilation modes were distinguished: upward airflow one (UAF mode), downward airflow one (DAF mode), and transitional mode. A switching between the UAF and DAF happens in the transitional mode, in the range of external temperatures from 9.5 to 11.1 C. Basing on the extent of cave ventilation, a period of active ventilation and period of stagnant ventilation were recognised. The cave air is intensively exchanged with external airs during the active ventilation period when the cave persists in either the DAF or UAF mode. During the stagnant ventilation period, the single airflow modes switch during diurnal cycle and only cave entering passages are vented (impacted).

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DD - Geochemie

OECD FORD obor

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Projekt

GA205/03/1128: Recentní krasové procesy: destrukce speleotém

Návaznosti

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

Rok uplatnění

2012

Kód důvěrnosti údajů

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

Název periodika

International Journal of Climatology

ISSN

0899-8418

e-ISSN

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Svazek periodika

32

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

25

Strana od-do

599-623

Kód UT WoS článku

000301494600010

EID výsledku v databázi Scopus

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