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Article: Contemporary karst solution processes on the Tibetan Plateau

TitleContemporary karst solution processes on the Tibetan Plateau
Authors
Issue Date1997
PublisherAllen Press Inc. The Journal's web site is located at http://www.mrd-journal.org
Citation
Mountain Research And Development, 1997, v. 17 n. 2, p. 135-144 How to Cite?
AbstractThe Tibetan Plateau, with an average elevation of 4,000-5,000 m a.s.l., is cold and arid, and geomorphologic processes are dominated by periglacial, glacial, and aeolian agents. Here, the highest known, currently-developing karst features were found during the Sino-British Expedition of 1987. Measurements of CO2 partial pressure were taken in air, soil, sediments, and caves. Also measured were the solubility of Tibetan limestones, the dissolved CaCO3 in water, and the electrical conductivity of karst waters. Field solution experiments show that CO2 partial pressure is one of the lowest in the world. Dissolved limestone content in fresh karst water is lower than in other karst areas. The solubility of the major Tibetan limestones varies little, but field experiments indicate that karst solution rates are affected by geomorphologic and climatic conditions. The formation and distribution of the present-day karst features correspond with the results of field and laboratory solution experiments. They are mainly small surface features in relatively wet and warm locations, especially where soil is in direct contact with limestone. Measurements of solution rates and CO2 content indicate that biologically stimulated solution plays an important role in karst development on this cold and arid plateau.
Persistent Identifierhttp://hdl.handle.net/10722/157801
ISSN
2015 Impact Factor: 0.911
2015 SCImago Journal Rankings: 0.589
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Den_US
dc.date.accessioned2012-08-08T08:55:44Z-
dc.date.available2012-08-08T08:55:44Z-
dc.date.issued1997en_US
dc.identifier.citationMountain Research And Development, 1997, v. 17 n. 2, p. 135-144en_US
dc.identifier.issn0276-4741en_US
dc.identifier.urihttp://hdl.handle.net/10722/157801-
dc.description.abstractThe Tibetan Plateau, with an average elevation of 4,000-5,000 m a.s.l., is cold and arid, and geomorphologic processes are dominated by periglacial, glacial, and aeolian agents. Here, the highest known, currently-developing karst features were found during the Sino-British Expedition of 1987. Measurements of CO2 partial pressure were taken in air, soil, sediments, and caves. Also measured were the solubility of Tibetan limestones, the dissolved CaCO3 in water, and the electrical conductivity of karst waters. Field solution experiments show that CO2 partial pressure is one of the lowest in the world. Dissolved limestone content in fresh karst water is lower than in other karst areas. The solubility of the major Tibetan limestones varies little, but field experiments indicate that karst solution rates are affected by geomorphologic and climatic conditions. The formation and distribution of the present-day karst features correspond with the results of field and laboratory solution experiments. They are mainly small surface features in relatively wet and warm locations, especially where soil is in direct contact with limestone. Measurements of solution rates and CO2 content indicate that biologically stimulated solution plays an important role in karst development on this cold and arid plateau.en_US
dc.languageengen_US
dc.publisherAllen Press Inc. The Journal's web site is located at http://www.mrd-journal.orgen_US
dc.relation.ispartofMountain Research and Developmenten_US
dc.titleContemporary karst solution processes on the Tibetan Plateauen_US
dc.typeArticleen_US
dc.identifier.emailZhang, D:zhangd@hkucc.hku.hken_US
dc.identifier.authorityZhang, D=rp00649en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0030785472en_US
dc.identifier.hkuros23135-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030785472&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume17en_US
dc.identifier.issue2en_US
dc.identifier.spage135en_US
dc.identifier.epage144en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhang, D=9732911600en_US

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