Methane Fluxes Into Atmosphere from Fennoskandian Lakes

被引：2
|
作者：
Golubyatnikov, L. L. [1 ]
Mammarella, I. [2 ]
机构：
[1] Obukhov Inst Atmospher Phys, Moscow 119017, Russia
[2] Univ Helsinki, Inst Atmospher & Earth Syst Res, Gustaf Hallstrominkatu 2,POB 64, FI-00014 Helsinki, Finland
来源：
IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS | 2018年 / 54卷 / 06期
关键词：
methane fluxes; lakes; natural zones; Fennoskandia; CARBON-DIOXIDE; BOREAL LAKES; LITTORAL-ZONE; CH4; EMISSION; PONDS; CO2; EFFLUX; N2O; RESERVOIRS;
D O I：
10.1134/S0001433818060075
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The experimental data on methane fluxes into the atmosphere from Fennoscandian lakes is analyzed. The contribution made by the lake network of this northern region to the atmospheric methane budget is estimated as 320 +/- 23 KtCH(4) per year. From 16 to 37% of the annual methane emission from Fennoscandian lakes is carried out by methane produced during the ice cover period. The methane fluxe rate from studied lakes is estimated as 2.6 +/- 0.2 gCH(4)m(-2) yr(-1). Among lakes of the region, small lakes (area <0.1 km(2)) are the most intensive sources of atmospheric methane per unit area.
引用
收藏
页码：570 / 580
页数：11
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