지구 가열화(Global Heating), not 지구온난화(Global Warming)
미국 해양대기청(NOAA)은 2021년 7월 지구 표면온도가 관측이 시작(1880년) 이래 최고를 기록했다고 밝혔다.
지구 전체 표면온도(육지, 해양 합산) 20세기 평균인 15.8°C보다 0.93°C 높은 16.73°C를 기록했다.
북반구의 지표면(육지) 온도는 평균 보다 1.54°C 높아 2012년 이후 최고치를 기록했다.
아시아의 기온는 평균보다 1.61°C 높아 2010년 기록을 넘으며 1910년 이래 가장 높았다.
유럽의 기온는 2010년과 함께 2018년 보다 두번째 높은 온도를 기록했다.
이에 따라, 2021년이 관측이래 가장 더운 10년 중 하나가 될 것이라는 전망이 나온다.
July 2021 has earned the unenviable distinction as the world’s hottest month ever recorded, according to new global data released today by NOAA’s National Centers for Environmental Information.
“In this case, first place is the worst place to be,” said NOAA Administrator Rick Spinrad, Ph.D. “July is typically the world’s warmest month of the year, but July 2021 outdid itself as the hottest July and month ever recorded.
This new record adds to the disturbing and disruptive path that climate change has set for the globe.”
July 2021 by the numbers
Around the globe
The combined land and ocean-surface temperature was 1.67 degrees F (0.93 of a degree C) above the 20th-century average of 60.4 degrees F (15.8 degrees C), making it the hottest July since records began 142 years ago. It was 0.02 of a degree F (0.01 of a degree C) higher than the previous record set in July 2016, which was then tied in 2019 and 2020.
The Northern Hemisphere
The land-surface only temperature was the highest ever recorded for July, at an unprecedented 2.77 degrees F (1.54 degrees C) above average, surpassing the previous record set in 2012.
Regional records
Asia had its hottest July on record, besting the previous record set in 2010 ; Europe had its second-hottest July on record—tying with July 2010 and trailing behind July 2018 ; and North America, South America, Africa and Oceania all had a top-10 warmest July.
Extreme heat and global climate change
With last month’s data, it remains very likely that 2021 will rank among the world’s 10-warmest years on record, according to NCEI's Global Annual Temperature Rankings Outlook.
“It is a sobering IPCC report that finds that human influence is, unequivocally, causing climate change, and it confirms the impacts are widespread and rapidly intensifying.”
2021.08.13 - [기후] - [기후위기] IPCC, 빨라지는 지구온난화 1.5℃
2021.01.18 - [기후] - [해양] 해수면 온도, 사상 최고치 기록
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