THE USE OF CARBON-14 AND TRITIUM FOR PEAT AND WATER DYNAMICS CHARACTERIZATION: CASE OF CEPKELIAI PEATLAND, SOUTHEASTERN LITHUANIA

被引：16
作者：
Mazeika, Jonas [1 ,2 ]
Guobyte, Rimante [2 ]
Kibirkstis, Gintautas [3 ]
Petrosius, Rimantas [1 ]
Skuratovic, Zana [1 ]
Taminskas, Julius [1 ]
机构：
[1] Inst Geol & Geog, LT-03223 Vilnius, Lithuania
[2] Vilnius State Univ, LT-03101 Vilnius, Lithuania
[3] Cepkeliai State Nat Reserve, LT-65303 Marcinkonys, Lithuania
来源：
GEOCHRONOMETRIA | 2009年 / 34卷
关键词：
Carbon-14; Tritium; Peat; Groundwater Residence Time; Holocene; GROUNDWATER; DEPOSITION; TRACERS; CALIBRATION; TIME; H-3; BOG;
D O I：
10.2478/v10003-009-0007-3
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The present investigation conducted in Cepkeliai peatland (south-eastern Lithuania) deals with two radioisotope methods - carbon-14 ((14)C) and tritium ((3)H). (14)C was applied to peatland chronology and sedimentation rate estimation and (3)H to peat water dynamics characterization. According to 14C data, peatland development began since 12650-11350 years cal BP and peat accumulation since 10550-9700 years cal BP with peat accumulation rate of 0.27-0.79 mm/year in the central part of the peatland. The peat water mean residence time and basic groundwater flow was estimated to be respectively about 27 +/- 6 years and 62 +/- 15 mm based on (3)H data. The obtained data showed relatively undisturbed natural condition of Cepkeliai peatland in the studied sites.
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页码：41 / 48
页数：8
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