Title

Impact of peak period visits on the Postojna Cave (Slovenia) microclimate

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Publisher

Springer

Publication Date

January 2013

Abstract

Cave air temperature, carbon dioxide concentrations in the cave air and external air temperature were analysed at several locations in Postojna Cave over the course of six holiday periods in 2009–2011. The results show that a 1-day increase in visitor numbers from 200 to 3,500 raised the cave air temperature by a maximum of 0.5 °C. The air temperature increases are within the annual range of cave air temperature variations. A fivefold increase in visitor numbers resulted in a carbon dioxide concentration that was at least twice as high as normal. The carbon dioxide concentration increased from 450 to 1,750 ppm (December 2009–January 2010). After 10 days of peak period visits, both the CO2 concentration and the temperature returned almost to the pre-holiday values. The gradual increase in mean annual air temperature in the cave (2004–2010) is not related to the number of visitors but to outside climate conditions.

Notes

Theoretical and Applied Climatology, Vol. 111, no. 1-2 (2013).

Keywords

Holiday Period, Visitor Number, Cave Entrance, Tourist Path, Recession Limb

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RDA

Subject: topical

Holiday Period; Visitor Number; Cave Entrance; Tourist Path; Recession Limb

Type

Article

Genre

serial

Identifier

SFS0071821_00001

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