?? 12??????????,????????
????:1?????:?????
2????????
3???????
4??????
5???????????
?????12?5?????????????(????????????? ??????????)?????????????????11?,??,?,??12????????5?????????,????????,????12???????,????«????(2023??????????????)»?
??
?????????,11????????5.1?,??????1.9?,????1961???????????
???????,???????????????????1~2??,????????????????????????????10~30????????????;???????????????????3~6????8~15???????
??????????????????????:11????4??,????????,???????“?????”????? ?? ??,???????,???????????12???????6??7?,???????,??2~4?,??6??,???????????????????????????4~5?????;12??????????9??????,????????????????????,????;12?????????10???????12????????,????????????????????,????????????????
12??????
????,?????????????????12?????,????????????????????????????????????,???????????????
???12????,?;????????????????????,???????????????????????????,?????????????????????????????????????????
?????:11?????????????????????????23??????????????????,????,??????? ??????????????????????????????? ???????????????????,???????????????????????????????????????????????;???????????????????????????????????????????????????
?,12?????????????????,?????????????,???????????????????????????????????????????????????????????????,?????,???
?????????
?????????????,??«????????»??????????????,?????????????????????????13?,??«WMO??»????
?????????20??,2023??,????,?????(1750?)?????51%?
«????????????????????»?,2023?421.4±0.1ppm,??,????????????2022?????????2.3ppm,????,?????(2.4ppm)???????????????????????1986±0.6ppb?337.3±0.1ppb,???????????2022??????8ppb?0.8ppb,???
???????????????,2023????????????????2022????????
???????????,???????,?????,???,?????(????????????????)
??????????:?????