Ringeis: Dynamic climatologic processes of barometric cave systems using the example of Jewel Cave and Wind Cave in South Dakota, USA Jewel and Wind Cave are two big barometric cave systems in Sout� Dakota, USA. The entrances of Jewel and Wind Cave are roug�ly 50 km apart, and until now it is unknown w�et�er t�eir entrances belong to two separate caves or to one muc� larger cave system. One possibility for testing t�ese two competing �ypot�eses is to measure and analyse t�e climatic conditions in t�e vicinity of t�ese entrances and wit�in t�e caves in detail. In t�is context, t�e t�ermal conditions and air currents are crucial. These in turn can be c�aracterised by t�e spatial and temporal patterns of t�e dynamics of air entering and leaving t�roug� t�e respective entrances; even t�oug� t�ese dynamics are coupled to atmosp�eric pressure fluctuations outside t�e caves, t�ey differ for different cave systems and provide a "fingerprint" t�at �as implications for t�e size and structure of individual cave systems. To give an example, Jewel and Wind Cave as t�e second and fourt�-largest cave systems on eart� s�ow some similarities, but many more noticeable differences regarding t�eir climatological be�aviour, despite t�eir close proximity to eac� ot�er. The last big measurement campaigns on t�e climatic systems of t�e two barometric caves were carried out by Herb and Jan Conn in t�e 1960s, (Conn 1966). Despite t�eir elementary work, t�e tec�nical possibilities were very limited in t�ose days. The self-constructed me-c�anical measurement equipment could only be used for basic measurements. Herb Conn was still able to identify t�e basic mec�anism very clearly. He also carried out a number of different calculations on barometric air flow t�at remain important COBISS: 1.01

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openAccessArticle: FalsePage Range: xi-xidoi: 10.1016/B978-0-12-383832-2.00140-7Harvest Date: 2016-01-12 15:13:54issueName:cover date: 2012-01-01pubType

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