Výsledky vyhledávání - "W. Dreybrodt"

Akademický článek

Early hypogenic carbonic acid speleogenesis in unconfined limestone aquifers by upwelling deep-seated waters with high CO2 concentration: a modelling approach

Autor: F. Gabrovšek, W. Dreybrodt

Publikováno v: Hydrology and Earth System Sciences, Vol 25, Pp 2895-2913 (2021)

Here we present results of digital modelling of a specific setting of hypogenic carbonic acid speleogenesis (CAS). We study an unconfined aquifer where meteoric water seeps through the vadose zone and becomes saturated with respect to calcite when it

Externí odkaz: https://doaj.org/article/c6ebbc2311404c35832e5514760e9f78

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Akademický článek

Dynamics of wormhole formation in fractured limestones

Autor: W. Dreybrodt, F. Gabrovšek

Publikováno v: Hydrology and Earth System Sciences, Vol 23, Pp 1995-2014 (2019)

Reactive transport in porous or fractured media often results in an evolution of highly conductive flow channels, often referred to as “wormholes”. The most spectacular wormholes are caves in fractured limestone terrains. Here, a model of their e

Externí odkaz: https://doaj.org/article/4e0a6737413f4d2e89ff4f2d30b86c48

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Akademický článek

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Comment on 'Precipitation kinetics of calcite in the system CaCO3-H2O-CO2: the conversion to CO2 by the slow process H+ + HCO3− → CO2 + H2O as a rate limiting step' by W. Dreybrodt, L. Eisenlohr, B. Madry, and S. Ringer

Autor: Carlos A. Grattoni, Yuping Zhang

Publikováno v: Geochimica et Cosmochimica Acta. 62:3789-3790

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bde7c57b0ed5d814c83f13ce4f7af17
https://doi.org/10.1016/s0016-7037(98)00257-9

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Reply to the comment by Y. Zhang and C. A. Grattoni on: 'precipitation kinetics of calcite in the system CaCO3-H2O-CO2: the conversion to CO2 by the slow process H+ + HCO3− → CO2 + H2O as a rate limiting step' by W. Dreybrodt, L. Eisenlohr, B. Madry, and S. Ringer

Autor: Wolfgang Dreybrodt

Publikováno v: Geochimica et Cosmochimica Acta. 62:3791-3792

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::593a394184395c32cec80e8b391348ff
https://doi.org/10.1016/s0016-7037(98)00258-0

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Periodical

Comment on Precipitation kinetics of calcite in the system CaCO3-H2O-CO2: the conversion to CO2 by the slow process H^+ + HCO3^- -> CO2 + H2O as a rate limiting step by W. Dreybrodt, L. Eisenlohr, B. Madry, and S. Ringer - Precipitation rates and overgrowth compositions

Autor: Zhang, Y., Grattoni, C.A.

Publikováno v: Geochimica et Cosmochimica Acta; 1998, Vol. 62 Issue: 23 p3789-3790, 2p

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Periodical

Reply to the comment by Y. Zhang and C. A. Grattoni on: precipitation kinetics of calcite in the system CaCO3-H2O-CO2: the conversion to CO2 by the slow process H^+ + HCO3^- -> CO2 + H2O as a rate limiting step by W. Dreybrodt, L. Eisenlohr, B. Madry, and S. Ringer - The conversion to CO2 by the slow process H^+ + HCO3^- -> CO2 + H2O as a rate limiting step.

Autor: Dreybrodt, W.

Publikováno v: Geochimica et Cosmochimica Acta; 1998, Vol. 62 Issue: 23 p3791-3792, 2p

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Akademický článek

Carbon transportation, transformation, and sedimentation processes at the land-river-estuary continuum.

Autor: Yang Gao^1,2 gaoyang@igsnrr.ac.cn, Junjie Jia^1,2, Yao Lu^1,2, Kun Sun¹, Jing Wang¹, Shuoyue Wang^1,2

Publikováno v: Fundamental Research. Nov2024, Vol. 4 Issue 6, p1594-1602. 9p.

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Uranium-series dating of the draining of an aquifer: The example of Wind Cave, Black Hills, South Dakota

Autor: Arthur N. Palmer, W. Dreybrodt, Joyce Lundberg, Henry P. Schwarcz, Derek C. Ford, M. V. Palmer

Publikováno v: Geological Society of America Bulletin. 105:241-250

Wind Cave, South Dakota, is a three-dimensional, rectilinear maze cave developed in 90 m of Mississippian limestone and dolomite that is overlain by thick clastic cover strata. Beneath an area of 1.8 km 2 , 87 km of small, drained, phreatic passages

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::624a1fa54bfe0e656b07384c0038275a
https://doi.org/10.1130/0016-7606(1993)105<0241:usdotd>2.3.co

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