时间:2025-07-16 03:41:15 来源:网络整理编辑:探索
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.
Two astronauts just installed a new parking spot on the International Space Station2025-07-16 03:02
歐冠賠率:曼城略勝紅軍拜仁 輸球隊中皇馬仍有戲2025-07-16 02:40
記者:海港引進兩歸化國腳 對於國家隊或許有一定的意義2025-07-16 02:30
馬競VS曼聯前瞻:C羅PK蘇神 紅魔欲衝擊500球紀錄2025-07-16 02:25
Donald Trump's tangled web of Russian influence2025-07-16 02:15
6場3球 !哈維激活繼承人 超智慧世界波獲歐戰首球2025-07-16 02:05
曝曼聯夏窗1億鎊報價凱恩 向其提供35萬鎊周薪合同2025-07-16 01:44
2023亞洲杯預選賽最終階段抽簽:中國香港與印度同組2025-07-16 01:37
Singapore gets world's first driverless taxis2025-07-16 01:14
泰山舊將加盟K聯豪門被當救世主 :我會用進球正名2025-07-16 01:00
Did our grandparents have the best beauty advice?2025-07-16 03:36
瑞典捷克波蘭發布聯合聲明 拒赴俄羅斯參加世預賽2025-07-16 03:30
創老撾曆史 美女足球老板“萬人迷”重獎U23隊(圖)2025-07-16 03:28
海港內援引進瞄準後場實力派 艾克森能否加盟疑問不小2025-07-16 03:15
Here's George Takei chilling in zero gravity for the 'Star Trek' anniversary2025-07-16 02:32
熱刺5輪輸4場 !孔蒂暴怒威脅辭職 :我不能光拿薪水2025-07-16 02:22
韓媒談中國足球現狀:倒退速度無法控製 亞冠名額或被東南亞反超2025-07-16 02:12
烏克蘭球員歐冠進球親吻國徽 舍甫琴科:團結必勝2025-07-16 01:48
Despite IOC ban, Rio crowds get their political messages across2025-07-16 01:29
官方:前山東泰山外援萊昂納多加盟K聯賽蔚山現代2025-07-16 01:01