Global climate change,characterized by warming,is one of the major environmental problems facing mankind.Methane in greenhouse gases has huge potential for warming,and plays an important role in combating climate change,especially in the field of waste reduction It is relatively mature and has great potential for emission reduction.Therefore,it is necessary to carry out methane emission reduction research in the field of waste, and it also has important scientific significance and practical value.In this paper,the static box method is used to analyze the change of CH4 emission rate in the sealed area of the landfill,the influence of different factors on the change of emission rate is investigated,and the orthogonal test design is carried out.The results show that stable CH4 emissions from landfills are not total and continuous emissions,but local intermittent emissions.The emission rate of landfill methane in 24 h is mainly affected by overburden temperature.The degree of influence of each factor on the CH4 emission is overburden temperature> atmospheric pressure > the moisture content of the overburden > time.
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