时间:2025-07-16 04:06:57 来源:网络整理编辑:百科
When it comes to Earth's climate, even the records themselves are breaking records now. Earth just e
When it comes to Earth's climate, even the records themselves are breaking records now. Earth just experienced its hottest August on record, according to NASA and the National Oceanic and Atmospheric Administration (NOAA).
This means the planet has set a record warm monthly temperature record during every month for the past 16 consecutive months -- an unprecedented warm streak, according to NOAA. The year-to-date is also record warm, as was the June through August period, known as meteorological summer in the Northern Hemisphere.
SEE ALSO:375 top scientists warn against Trump's plan to pull out of climate pactAccording to NOAA findings released Tuesday, the globally averaged surface temperature for August was 0.92 degrees Celsius, or 1.66 degrees Fahrenheit above the 20th century average of 15.6 degrees Celsius, or 60.1 degrees Fahrenheit.
This surpassed all other Augusts in temperature data going back to 1880, beating August of 2015 by 0.05 degrees Celsius, or 0.09 degrees Fahrenheit. Unlike NASA, however, NOAA did not find that August tied July for the title of the hottest month on record.
Based on NOAA's analysis, August was slightly cooler than July, compared to average.
The record warm streak has featured months that have shattered previous milestones, with 14 of the 15 highest monthly temperature departures from average occurring since February 2015, NOAA found.
For the year-to-date, global average surface temperatures beat out the previous record warm January through August period, which occurred just last year, by 0.16 degrees Celsius, or 0.29 degrees Fahrenheit. Both land and ocean surface temperatures were record warm for the year so far.
Record warmth during the first eight months of the streak occurred across much of the globe, NOAA found, including western Canada, northern South America, central and southern Africa, Indonesia, northern and southern Asia and Australia. Not a single land area saw cooler-than-average conditions during the January to August period, NOAA said.
"Something that gets lost in the monthly updates to this streak of record-breaking months is the magnitude of change compared to just a couple decades ago," Derek Arndt, chief of climate monitoring at NOAA’s National Centers for Environmental Information, told Mashablevia email.
"Sure, we've broken the record 16 consecutive months, that is evidence that we are in a warm surge following decades of warming. But the magnitude is immense: twenty years ago, in 1996, no year had poked above half a degree Celsius warmer than the 20th century average. Now, we're at a degree above the average. We've doubled that difference in half a generation."
For the oceans, the only area that was record cold for the year-to-date was the stormy Drake Passage off of South America.
The extraordinarily warm year of 2016 has brought flood disasters to the U.S. -- the most recent of which devastated parts of Louisiana -- as well as in China.
Typically hot locations, such as India, Kuwait and Iraq, set new benchmarks for what constitutes their hottest days. Meanwhile, the world's oceans have been suffering through the longest-lasting global coral bleaching event on record, which is now expected to last into 2017.
Meanwhile in the Arctic, both the Northwest and Northeast Passages were open for navigation, with a massive cruise ship passing through the Northwest Passage for the first time, carrying more than 1,000 passengers and crew.
Arctic sea ice hit the second-lowest level on record, which continues the long-term trend toward a seasonally ice-free Arctic.
While NASA has said that it is virtually certain that 2016 will be the warmest year on record, beating the milestone set just last year, NOAA is hedging on that prediction a bit more.
The agency published a graph showing different scenarios in which 2016 could end up being the second-warmest year. For example, if each month from September through December matches the 1998 monthly values, NOAA scientists found, the year would end up behind 2015 by 0.06 degrees Celsius, or 0.11 degrees Fahrenheit.
The 1998 comparison is apt, since that year also saw an El Niño event at the start of the year, followed by much cooler conditions in the tropical Pacific as the year went on.
While part of the warmth is due to an El Niño event in the tropical Pacific Ocean, which tends to boost global average temperatures, that event has subsided, yet warm records have continued to topple. This illustrates the influence of human-caused global warming, which has been driving temperatures upward at a faster pace in recent decades.
Without a La Niña event to dampen global average temperatures slightly, it's possible that more monthly temperature records will be set before 2016 is over.
Donald Trump's tangled web of Russian influence2025-07-16 03:58
全新帶入互動影視作品《他的微笑》預告出爐 6月20愛奇藝上線2025-07-16 03:51
趙寶剛《青春鬥》首播熱度強勁 鄭爽演繹現實青春引共鳴2025-07-16 03:41
《白發》熱度持續飆升 張雪迎李治廷在線發糖甜度爆表2025-07-16 02:20
The Weeknd teases new music in Instagram post2025-07-16 02:05
秦嵐《夜空中最閃亮的星》 化身“弟控”禦姐範十足2025-07-16 01:55
秦嵐《夜空中最閃亮的星》 化身“弟控”禦姐範十足2025-07-16 01:49
角色反轉!張峻寧《築夢情緣》開啟“反撲”模式2025-07-16 01:47
There's a big piece of fake chicken stuck to this phone case2025-07-16 01:44
《各位國民》資深騙子崔始源開始反擊!收視率UP !2025-07-16 01:33
Donald Trump's tangled web of Russian influence2025-07-16 03:59
《天生喜劇王》定檔6月19日,爆笑揭秘戲癡的生存法則2025-07-16 03:24
呂佳容《親愛的婚姻》身世大揭秘 秒變受氣包哭戲引人心疼2025-07-16 03:11
《無名衛士》央視八套開播 張晞臨李乃文忠誠使命2025-07-16 03:07
Olympian celebrates by ordering an intimidating amount of McDonald's2025-07-16 02:59
《痕跡》終於營業的廖岩法醫來了 ,必須在線打call徐正溪2025-07-16 02:12
《破冰行動》實力問鼎2019年國劇口碑榜 全網鋪開熱度引爆2025-07-16 02:01
《喜歡你我也是》新成員登場 嘉賓感情矛盾升級2025-07-16 02:00
Nate Parker is finally thinking about the woman who accused him of rape2025-07-16 01:48
賀剛《重耳傳奇》爆料老搭檔 演繹十餘年硬核圈粉2025-07-16 01:31