Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Sedimentation and Accumulation of Elements in the Vydrino Peat Bog (Southern Baikal Region). / Bogush, A. A.; Bobrov, V. A.; Klimin, M. A. и др.
в: Russian Geology and Geophysics, Том 60, № 2, 02.2019, стр. 163-175.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Sedimentation and Accumulation of Elements in the Vydrino Peat Bog (Southern Baikal Region)
AU - Bogush, A. A.
AU - Bobrov, V. A.
AU - Klimin, M. A.
AU - Bychinskii, V. A.
AU - Leonova, G. A.
AU - Krivonogov, S. K.
AU - Kondrat'eva, L. M.
AU - Preis, Yu. I.
PY - 2019/2
Y1 - 2019/2
N2 - The evolution of peat deposits of the Vydrino bog (southern Baikal region) and concentration of elements in them are discussed. The bog peat massif more than 4 m in thickness formed mostly during the Holocene. The beginning of peat formation dates back to the late Allerod (13.1 ka). At present, the Vydrino bog is a biogeocoenosis of the high-moor type with a transitional peat deposit. We have established that the bog nonuniformly accumulated chemical elements during its formation. Concentration of Pb, Sn, Cd, Zn, and Sb in recent vegetation and in the upper layer of the peat bog is mainly due to forest fires and anthropogenic air pollution. The anomalous enrichment of peat with Zn and Cu in the Early Holocene (12.1-8.8 ka) horizons proceeded through the periodic inflow of thermal groundwater into the bottom part of the peat deposit. Authigenic Zn and Cu sulfides formed on the inner membrane of the cell wall of sphagnum moss. Geochemical modeling has shown that Zn and Cu sulfides can form abiotically.
AB - The evolution of peat deposits of the Vydrino bog (southern Baikal region) and concentration of elements in them are discussed. The bog peat massif more than 4 m in thickness formed mostly during the Holocene. The beginning of peat formation dates back to the late Allerod (13.1 ka). At present, the Vydrino bog is a biogeocoenosis of the high-moor type with a transitional peat deposit. We have established that the bog nonuniformly accumulated chemical elements during its formation. Concentration of Pb, Sn, Cd, Zn, and Sb in recent vegetation and in the upper layer of the peat bog is mainly due to forest fires and anthropogenic air pollution. The anomalous enrichment of peat with Zn and Cu in the Early Holocene (12.1-8.8 ka) horizons proceeded through the periodic inflow of thermal groundwater into the bottom part of the peat deposit. Authigenic Zn and Cu sulfides formed on the inner membrane of the cell wall of sphagnum moss. Geochemical modeling has shown that Zn and Cu sulfides can form abiotically.
KW - peat bog
KW - concentration of elements
KW - genesis
KW - rate of peat accumulation
KW - pigment profile
KW - geochemical modeling
KW - Holocene
KW - East Siberia
KW - ATMOSPHERIC LEAD
KW - JURA MOUNTAINS
KW - DEPOSITION
KW - PB
KW - ZR
KW - TI
U2 - 10.15372/RGG2019012
DO - 10.15372/RGG2019012
M3 - Article
VL - 60
SP - 163
EP - 175
JO - Russian Geology and Geophysics
JF - Russian Geology and Geophysics
SN - 1068-7971
IS - 2
ER -
ID: 23292096