()(1.)

Methane,CH41 0.55420.679 g/L151 537 5~15.4 %12 17 4100m20 30 15 25%60%

(2.)OHCOOHMethanotrophs

(3.)Ice core780 ppbv10000~16000 0.35~0.65ppmv1800 16 ppbv 1.51ppmv80 7 1998~2005 1.77 ppmv

115 Tg21% 97 Tg 17.0% 105 Tg18.4% 30 Tg5.20%1990663Gg67%9%6%1994 954 Gg1994 2000 595 Gg59%13%6.7%6.1%

() (1.)Greenhouse Effect1827 Jean-Baptiste Fourier 49% 2 H O 2 CO 4 CH 2 N O S CFC 2 6 SF S PFC S HFC

Greenhouse Gas, GHG

1. 2. 3.

2 240 103 33

UNEPWMOIntergovernmental Panel on ClimateChange, IPCC1980 2 CO 55% S CFC 24% 4 CH 15% 2 N O6%

3 2 CO 4 CH 2 N OS CFC 3

3 100 0.30.610 15 2100 13.515 95

()(1.)4-14-1 EC0.15~2.03 mS/cmSNW ECR ECHNWSNWpH9.9 8.4HNWSNWpHSCWECWpH5.3~5.7pHRpH7.2 WpH3.5 pH

pH 4~9BensteadpH 4.8~6.0BenderpH6.7~8.1 pH pH pHW pH3.5

Christensen0.41 ~ 2.52% 0.4~6.3% HarrissBowden70% HNW SCW 0.5%ECW6.3%

(2.) (SNW)(HNW)0.1%5% 20%7 0.1% 91%65%14 97 % 96%4-1 5% 7 71%85%99% SNW 14 HNW 21 99%20%7 14%22%50 92%-0.088-0.156 mg/m2/h11.9-27.2 mg/m2/h-80.72-163.73 mg/m2/h

Bender0.1% 20%West 20%

(3.) (SCW, )(ECW, )4-2 7 0.1% 54%33%SCW 24 99%ECW 3597%5%7 83%44%SCW 17 99%ECW 41 99%20%24 64%

0.1%7 79%17 97%22 35 99%5%7 39%28 99%20%7 38%47 98%0.1 5%SCWECW20 %()Kjeldsen

(4.) 0.1 %14 14 7 %36 %38 99%4-10 5%7 60%24 99%20%7 24%2473%4-3 pH 3.5 Christensen (57)W 5%20%

1. http://www.epochtimes.com/b5/10/3/5/n2835838.htm2. http://210.69.50.225/04/research/chinese/no.16/res(c)16_35-45.pdf