@article{fdi:010053893, title = {{G}eochemical and isotopic ({S}r, {U}) variations of lake waters in the {O}l'khon {R}egion, {S}iberia, {R}ussia : origin and paleoenvironmental implications}, author = {{C}habaux, {F}. and {G}ranet, {M}. and {L}arqu{\'e}, {P}. and {R}iotte, {J}ean and {S}kliarov, {E}. {V}. and {S}kliarova, {O}. and {A}lexeieva, {L}. and {R}isacher, {F}ran{\c{c}}ois}, editor = {}, language = {{ENG}}, abstract = {{T}he geochemical study of springs and lake waters from the {O}l'khon {R}egion, {S}iberia, confirms the strong chemical variability of these water samples, more particularly regarding their salinity. {S}uch variability does not result from a simple mixing process between surface freshwaters and deeper saline waters. {T}he variability, observed at the scale of a few square kilometers, would preferentially result from a secondary concentration processes (evaporation and/or cryogenesis) of lake waters of variable intensity from one lake to another. {T}he {U}-disequilibria data suggest that the duration of the secondary process is certainly an important parameter to be considered to account for the variable salinity of these lakes. {T}he data indicate that the lakes, however modest in size, could be as old as several ky, confirming therefore that the lake sedimentary deposits could represent relevant paleoenvironmental recorders for the last thousands years.}, keywords = {{W}ater chemistry ; {S}alt lakes ; {S}iberia ; {R}ussia ; {U}, {S}r isotope ratios}, booktitle = {}, journal = {{C}omptes {R}endus {G}eoscience}, volume = {343}, numero = {7}, pages = {462--470}, ISSN = {1631-0713}, year = {2011}, DOI = {10.1016/j.crte.2011.07.004}, URL = {https://www.documentation.ird.fr/hor/fdi:010053893}, }