%0 Journal Article
%T Typical summertime isoprene emission from vegetation in the Pearl River Delta region, China<br>典型夏季珠江三角洲地区植被的异戊二烯排放
%A SITU Shuping
%A WANG Xuemei
%A Alex Guenther
%A CHAI Ziwei
%A DENG Ruru School of Environmental Science
%A Engineering
%A Sun Yat-sen University
%A Guangzhou National Center for Atmospheric Research
%A Atmospheric Chemistry Division
%A USA Guangdong Environmental Monitoring Center
%A Guangzhou School of Geography
%A Planning
%A Guangzhou
%A <br>司徒淑娉
%A 王雪梅
%A Alex Guenther
%A 柴子为
%A 邓儒儒
%J 环境科学学报
%D 2009
%I 
%X 利用中巴卫星影像采用监督分类的方法对影像进行解译,并反演珠江三角洲4种主要的植被类型(PFT).利用自然排放气体和气溶胶模式——MEGAN(Model of Emissions of Gases and Aerosols from Nature),对典型夏季日珠江三角洲地区植被异戊二烯的排放进行了初步研究.结果显示:估算日珠江三角洲植被异戊二烯总的排放量为1.73×106kg(以C计,下同).异戊二烯的排放有明显的日变化特征,最大排放量出现在14:00,为2.39×105kg.广州、江门和惠州的异戊二烯平均排放速率最大,分别为45808·km-2·h-1、4250 g·km-2·h-1和4130 g·km-2h-1;同时江门和惠州也为异戊二烯日排放量的高值区,其日排放总量分别为4.60 ×105kg和4.29 ×105kg,排放贡献率分别为26.6%和24.8%.
%K MEGAN<br>异戊二烯
%K 植被
%K 珠三角
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=81DF69D267EDEB025A0217214090C4EA&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=E158A972A605785F&sid=F7C11D7E3E8C5D3F&eid=C81F81170838C444&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=3&reference_num=0