学科分类
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1 个结果
  • 简介:MethaneemissionfluxfromricepaddiesinGuizhouprovinceshowsobviousthreestagediurnalvariations;Itisrelativelylowfromthemorningtothenoon,thensuccessivelyincreasesintheafternoonandatnight,andfinallyfollowsagradualdecrease.Theδ13CvaluesoftracemethaneemittedfromricepaddiesinGuizhouProvincerangefrom-64.5‰to-54.1‰withanaverageof-60.7‰,veryclosetothereportedvaluesfromAmericaorKenya.

  • 标签: 甲烷 稻田 排放量 碳同位素 大气 全球变化