File:NOAA Arctic Report Card 2019 (49203332898).jpg
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[edit]DescriptionNOAA Arctic Report Card 2019 (49203332898).jpg |
"NOAA’s 14th Arctic Report Card recounts the numerous geophysical and biological changes that occurred in the northern polar region during 2019, with near-record high air and ocean temperatures and melting of the Greenland ice sheet, low sea-ice extents, and shifts in the distribution of commercially valuable marine species. The Arctic Report Card is an annual volume of original, peer-reviewed environmental observations and analysis of a region undergoing rapid and dramatic change. Compiled by 81 scientists from 12 nations, the 2019 report card tracks a number of environmental indicators to inform decisions by local, state and federal leaders, as Arctic residents confront the challenges and opportunities presented by a rapidly changing climate and ecosystem. It was released today at the American Geophysical Union’s fall meeting in San Francisco." — <a href="https://www.noaa.gov/media-release/arctic-report-card-record-territory-for-warm-temperatures-loss-of-snow-and-ice" rel="noreferrer nofollow">National Oceanic and Atmospheric Administration</a> (NOAA) 10 December 2019 Highlights The average annual land surface air temperature north of 60° N for October 2018-August 2019 was the second warmest since 1900. The warming air temperatures are driving changes in the Arctic environment that affect ecosystems and communities on a regional and global scale. ▶ On the land ☞ The Greenland Ice Sheet is losing nearly 267 billion metric tons of ice per year and currently contributing to global average sea-level rise at a rate of about 0.7 mm year. ☞ North American Arctic snow cover in May 2019 was the fifth lowest in 53 years of record. June snow cover was the third lowest. ☞ Tundra greening continues to increase in the Arctic, particularly on the North Slope of Alaska, mainland Canada, and the Russian Far East. ☞ Thawing permafrost throughout the Arctic could be releasing an estimated 300-600 million tons of net carbon per year to the atmosphere. ▶ In the oceans ☞ Arctic sea ice extent at the end of summer 2019 was tied with 2007 and 2016 as the second-lowest since satellite observations began in 1979. The thickness of the sea ice has also decreased, resulting in an ice cover that is more vulnerable to warming air and ocean temperatures. ☞ August mean sea surface temperatures in 2019 were 1-7°C warmer than the 1982-2010 August mean in the Beaufort and Chukchi Seas, the Laptev Sea, and Baffin Bay. ☞ Satellite estimates showed ocean primary productivity in the Arctic was higher than the long-term average for seven of nine regions, with the Barents Sea and North Atlantic the only regions showing lower than average values. ☞ Wildlife populations are showing signs of stress. For example, the breeding population of the ivory gull in the Canadian Arctic has declined by 70% since the 1980s. ▶ Focus on the Bering Sea ☞ The winter sea ice extent in 2019 narrowly missed surpassing the record low set in 2018, leading to record-breaking warm ocean temperatures in 2019 on the southern shelf. Bottom temperatures on the northern Bering shelf exceeded 4°C for the first time in November 2018. ☞ Bering and Barents Seas fisheries have experienced a northerly shift in the distribution of subarctic and Arctic fish species, linked to the loss of sea ice and changes in bottom water temperature. ☞ Indigenous Elders from Bering Sea communities note that "[i]n a warming Arctic, access to our subsistence foods is shrinking and becoming more hazardous to hunt and fish. At the same time, thawing permafrost and more frequent and higher storm surges increasingly threaten our homes, schools, airports, and utilities." — <a href="https://arctic.noaa.gov/Report-Card/Report-Card-2019" rel="noreferrer nofollow">Arctic Report Card 2019</a> 2019 Headlines. ▶ Image via <a href="https://arctic.noaa.gov/Portals/7/ArcticReportCard/Documents/ArcticReportCard_handout2019.pdf" rel="noreferrer nofollow">NOAA</a>. ▶ Uploaded by <a href="http://yfgf.beer" rel="noreferrer nofollow">Yours For Good Fermentables</a>.com. ▶ For a larger image, type 'L' (without the quotation marks). — Follow on web: <a href="http://yfgf.beer" rel="noreferrer nofollow">YoursForGoodFermentables</a>.com. — Follow on Twitter: <a href="https://twitter.com/cizauskas" rel="noreferrer nofollow">@Cizauskas</a>. — Follow on Facebook: <a href="https://www.facebook.com/YoursForGoodFermentables/" rel="noreferrer nofollow">YoursForGoodFermentables</a>. — Follow on Instagram: <a href="https://www.instagram.com/tcizauskas/" rel="noreferrer nofollow">@tcizauskas</a>. ▶ Commercial use requires <a href="http://thomas.cizauskas.net/contact.html" rel="noreferrer nofollow">explicit permission</a>, as per <a href="https://creativecommons.org/licenses/by-nc-nd/4.0/" rel="noreferrer nofollow">Creative Commons</a>. |
Date | |
Source | NOAA Arctic Report Card 2019 |
Author | Thomas Cizauskas |
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[edit]Public domainPublic domainfalsefalse |
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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This image was originally posted to Flickr by Thomas Cizauskas at https://flickr.com/photos/75714412@N00/49203332898. It was reviewed on 16 June 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
16 June 2022
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current | 18:18, 13 May 2021 | ![]() | 2,335 × 2,586 (2.33 MB) | Sentinel user (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Orientation | Normal |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 15.0 (Windows) |
File change date and time | 09:09, 11 December 2019 |
Color space | sRGB |
Date and time of digitizing | 09:06, 11 December 2019 |
Date metadata was last modified | 04:09, 11 December 2019 |
Unique ID of original document | xmp.did:63a24b18-6bbc-f144-896a-64734f11e248 |