About: Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Cave ventilation and its impact on microclimatic parameters were studied in the Císařská Cave (the northern part of the Moravian Karst, Czech Republic) during 2006-2007 period. Air fluxes through cave oscillated with a period of few seconds and amplitude about 0.1 m3 s-1. Mean volume fluxes through the lower and higher entrances, respectively, varied from +0.10 to -0.05 m3 s-1 and from -0.19 to +0.07 m3 s-1 as outdoor temperature varied between -3.2 and 31.9 deg C. The unbalanced fluxes indicate minor additional fluxes in/out of cave. A nonlinear dependence of air flux on outdoor temperature was found. The fluxes were lowest at 13 deg C. They oscillated with 0.03 m3 s-1 amplitude and changed their directions. The cave ventilation, v = 0.059 hour-1, and residence time, tau = 17 hours, were calculated from the maximum flux of 0.188 m3 s-1. The residence time value indicates that cave atmosphere should be completely exchanged during 17 hours under these conditions and at an ideally piston flux. Cave ventilation and its impact on microclimatic parameters were studied in the Císařská Cave (the northern part of the Moravian Karst, Czech Republic) during 2006-2007 period. Air fluxes through cave oscillated with a period of few seconds and amplitude about 0.1 m3 s-1. Mean volume fluxes through the lower and higher entrances, respectively, varied from +0.10 to -0.05 m3 s-1 and from -0.19 to +0.07 m3 s-1 as outdoor temperature varied between -3.2 and 31.9 deg C. The unbalanced fluxes indicate minor additional fluxes in/out of cave. A nonlinear dependence of air flux on outdoor temperature was found. The fluxes were lowest at 13 deg C. They oscillated with 0.03 m3 s-1 amplitude and changed their directions. The cave ventilation, v = 0.059 hour-1, and residence time, tau = 17 hours, were calculated from the maximum flux of 0.188 m3 s-1. The residence time value indicates that cave atmosphere should be completely exchanged during 17 hours under these conditions and at an ideally piston flux. (en)
Title	Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation (en)
skos:prefLabel	Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation (en)
skos:notation	RIV/00216224:14310/08:00028040!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA205/03/1128), S, Z(MSM0021622412)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Faimon, Jiří Troppová, Dana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	358954
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/08:00028040
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	atmosphere; cave; condensation; flow direction; flux; oscillation; ventilation (en)
http://linked.open.../riv/klicoveSlovo	flux oscillation condensation ventilation atmosphere cave flow direction
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[AAE22702FF14]
http://linked.open...i/riv/nazevZdroje	Slovenský kras (Acta Carsologica Slovaca)
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Recent karst processes: speleothem destruction
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Faimon, Jiří Troppová, Dana
http://linked.open...n/vavai/riv/zamer	Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
issn	0560-3137
number of pages	3 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation Cave Microclimate Impact on Karst Processes: Role of Cave Ventilation

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