6Sahely H R,Maclean H L,Bagley D M.Comparison ofon-site and upstream greenhouse gas emissions from Canadianmunicipal wastewater treatment facilities[J].J Environ EngSci,2006(5):405-415.
7国家环保局,全国环境统计公报(1997—2008)[R].2009.
8Cakir F Y,Stenstrom M K.Greenhouse gas production:Acomparison between aerobic and anaerobic wastewatertreatment technology[J].Water Res,2005,39(17):4197-4203.
9Wei Y,Yerushalmi L,Haghighat F.Estimation ofgreenhouse gas emissions by the wastewater treatment plantof a locomotive repair factory in China[J].Water EnvironRes,2008(80):2253-2260.
10Falkowski P,Scholes R J,Boyle E,et al.The global carboncycle:A test of our knowledge of earth as a system[J].Science,2000,290(5490):291-296.
