Lake Pavin History, geology, biogeochemistry, and sedimentology of a deep meromictic maar lake
193 11.4.7 Auxiliary Data Unlike DIC and CH 4 , CO 2 fluxes cannot be proposed sepa- rately in the budget for the aqueous phase, ...
194 The increasing slope of the concentration versus depth in the mesolimnion is mainly due to the low dispersion coeffi- cient ...
195 greater than 1 bar and these waters degas spontaneously with bubbles formation when they are brought to atmosphere (0.88 bar ...
196 surface waters are either very under saturated or highly over saturated, the results presented on Table 11.1 are significant ...
197 flux of DIC with a given PMC and an input of mineral water at 68 ± 2 m depth was built using the AQUASIM code (Reichert 1994 ...
198 the monimolimnion. This hypothesis has been discarded in fur- ther works, as this deep input should imply a rather strong ad ...
199 static thermometers line (Bonhomme et al. 2011 ). Temperature profiles obtained with the Seabird profiler (Fig. 11.14) revea ...
200 Qevap. is estimated to 87 .Ls−^1 from δ^18 O (Assayag et al. 2008 ) Qbrooks determination was about 25 Ls−^1 Qmineral is est ...
201 about 3 bars at 80 m depth. This is significantly lower than the hydrostatic pressure and for the present time spontaneous g ...
202 Borges AV, Morana C, Bouillon S, Servais P, Descy J-P, Darchambeau F (2014) Carbon cycling of Lake Kivu (East Africa): net a ...
203 Pelletier JP (1968) Un lac méromictique, le Pavin (Auvergne)/a Meromictic Lake Lake Pavin (Auvergne). Annales de la Station ...
© Springer International Publishing Switzerland 2016 205 T. Sime-Ngando et al. (eds.), Lake Pavin, DOI 10.1007/978-3-319-39961-4 ...
206 12.1 Introduction Lac Pavin is a crater lake in the Massif Central (France, located at 45°29.740 N, 2°53.280 E), with a maxi ...
207 few drops of ultrapure HNO 3 to pH 1–2, for sample preserva- tion (see Michard et al. 1994 ; Viollier et al. 1995 ; Busigny ...
208 a previous study, focused on the methane biogeochemical cycle in Lac Pavin (Lopes et al. 2011 ), and applied to^14 C profile ...
209 proxy of small-sized Fe particles (formed at the peak of tur- bidity) but when settling particles collapse and form larger a ...
210 ment (Fig. 12.5), representing up to 70 wt% of the total solid fraction in some sediment samples (Schettler et al. 2007 ). I ...
211 we assumed that their effect are negligible for the bulk Fe-P cycles. In the reducing layer, Fe and P are supplied from the ...
212 dissolved Fe concentrations measured in the monimolimnion. In order to explain the variation of turbidity profiles observed ...
213 indicates that Fe(II) and SRP are released at the bottom of the lake, diffuse through the monimolimnion, and are con- sumed ...
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