Titlebook: Volcanic Lakes; Dmitri Rouwet,Bruce Christenson,Jean Vandemeulebro Book 2015 Springer-Verlag Berlin Heidelberg 2015 Active crater lakes.Ge

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The Remarkable Chemistry of Sulfur in Hyper-Acid Crater Lakes: A Scientific Tribute to Bokuichiro Ts linked to oxidation of H.S-rich hydrothermal discharges. Polythionates are ubiquitous in hyper-acid crater lakes and are usually attributed to aqueous interaction between SO. and H.S in the lake. Fluctuations in lake polythionate concentrations have been used to infer changes in the SO./H.S ratio

Instrumental

Molten Sulfur Lakes of Intraoceanic Arc Volcanoes,ano and Macauley, based on the accumulation of large quantities of sulfur in the subsurface. The elemental S at these sites is produced largely by the reaction?2H.S?+?SO.?=?3S?+?2H.O and the disproportionation of magmatic SO.. Anomalous concentrations of Au and Cu in the lakes are most likely transp

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How Steep Is My Seep? Seepage in Volcanic Lakes, Hints from Numerical Simulations,al seepage can be severely hindered by the ascent of volcanic gases, whereas horizontal infiltration through the vertical lake walls may ensure a long-term water loss. Our simulations also show that the permeability distribution, especially around the lake, determines the overall pattern of circulat

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CO2 Degassing from Volcanic Lakes,d near neutral waters with a pH of 6. The total CO. emission rate estimated by stochastic simulation ranged from 105?t day. for 2001 to 35?t day. for 2006. In early July 2007, the total flux for the lake area was estimated at 307?t day., showing that CO. flux monitoring at the surface of volcanic la

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Quantitative Hydrogeology of Volcanic Lakes: Examples from the Central Italy Volcanic Lake Districthis chapter, we present the results of quantitative hydrogeological analysis of two volcanic lakes in the surroundings of the densely urbanized hinterland of Roma capital city (Italy): the Bracciano caldera lake basin (Sabatini volcanic complex) and the Albano crater lake basin (Colli Albani volcano

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The Comparative Limnology of Lakes Nyos and Monoun, Cameroon,s may be sufficiently strong to isolate surface water and allow primary production to reduce P. below 300?μatm, inducing a net influx of CO. from the atmosphere. Surface water O. and pH typically reach maxima at this time, with occasional O. oversaturation. Mixing to the chemocline occurs in both la

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