120+3 Movement of Carbon(美国环保局DOE,数字单位10亿吨) 妙 atmosphere (800) photosynthesis 红色：人类活动产生 plant human emissions respiration 黄色：天然增减 02 0 air-sea gas exchange biomass (550) surface ocean (1,000) microbial respiration decomposition photosynthesis respiration decomposition soil carbon (2,300) ocean sediments deep ocean(37,000) fossil carbon (10,000) reactive sediments(6,000) This diagram of the fast carbon cycle shows the movement of carbon between land, atmosphere,and oceans in billions of tons of carbon per year.Yellow numbers are natural fluxes,red are human contributions in billions of tons of carbon per year.White numbers indicate stored carbon Adapted from U.S.DOE,Biological and Environmental Research Information SystemThis diagram of the fast carbon cycle shows the movement of carbon between land, atmosphere, and oceans in billions of tons of carbon per year. Yellow numbers are natural fluxes, red are human contributions in billions of tons of carbon per year. White numbers indicate stored carbon Adapted from U.S. DOE, Biological and Environmental Research Information System Movement of Carbon（美国环保局 DOE，数字单位10亿吨） 红色：人类活动产生 黄色：天然增减