Jeff Kerby

@JTKerby

Ecologist // Photographer // PhD - // Technical Director // Explorer and Photographer

Aarhus, Denmark
nationalgeographic.org/find-explorers…
Vrijeme pridruživanja: kolovoz 2013.
43 fotografije ili videozapisa Fotografije i videozapisi

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  1. proslijedio/la je Tweet
    prije 12 sati

    My unicorn paper is out! After 7 years of data synthesis, new conceptualization, and building numerical models, we now have the first estimate of thermokarst (abrupt thaw) carbon emissions. This hotspot process affects small areas but packs a big C punch.

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  2. proslijedio/la je Tweet
    31. sij

    Neukom Institute Fellow Jeff Kerby

    New research techniques are being adopted by a global science team including: to tackle the most visible impact of climate change- the greening of Arctic regions
    2 proslijeđena tweeta 8 korisnika označava da im se sviđa
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  3. 2. velj

    Big Thank You to ’s and for being my home-base and unending well of support throughout the effort!

    1 proslijeđeni tweet 6 korisnika označava da im se sviđa
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  4. 2. velj

    Our paper on Arctic Greening Complexity - now published in Embracing multi-scale science to better understand earth's broadest biological signal of climate change. Epitome of a collaborative effort: 40 authors across 36 institutions!!

    , , i još njih 3
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  5. proslijedio/la je Tweet
    31. sij

    Wildlife are a key part of the Arctic greening story too. Animals such as reindeer in Arctic Russia depend on tundra plants for food. As the tundra warms, habitats for wildlife could be altered and herbivores, in turn, could influence greening trends. 📷:

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  6. proslijedio/la je Tweet
    31. sij

    Meticulous on-the-ground observations provide critical insights into changes that satellites can miss. Both satellite and field observations are irreplaceable, and increasingly scientists are bringing the two together to understand Arctic change. 📷:

    Korisnici , i
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  7. proslijedio/la je Tweet
    31. sij

    Drones allow researchers to capture the tundra from above in very high resolution. Vegetation changes can be mapped out across landscapes and linked to the greening or browning signals captured by satellites. 📷:

    i
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  8. proslijedio/la je Tweet
    31. sij

    From drones to planes to satellites, seeing the tundra from above is giving new insights into how the Arctic is changing. Teams of researchers are working across the North to link field observations with satellite greening seen from space. 📷:

    i
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  9. proslijedio/la je Tweet
    31. sij

    Although most of the Arctic is greening, parts of the tundra are also “browning” with warming. When tundra landscapes are disturbed, plant cover can be lost, leading to declines in tundra greenness in satellite data. 📷:

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  10. proslijedio/la je Tweet
    31. sij

    When tundra landscapes warm, frozen carbon is released to the atmosphere, potentially accelerating climate change for the entire planet. This permafrost slump cuts into the tundra landscape on Qikiqtaruk-Herschel Island along the Yukon Arctic coast. 📷:

    i
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  11. proslijedio/la je Tweet
    31. sij

    In the rapidly warming Arctic, permafrost stores A LOT of carbon - one third of the world's soil carbon in fact. Tundra plants are a thin layer that protects all of that carbon trapped in frozen soils below. 📷:

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  12. proslijedio/la je Tweet
    31. sij

    If the tundra is getting greener there could be far-reaching consequences for wildlife and the planet as a whole. Pictured here a herd of muskox roams across a greening tundra landscape on Qikiqtaruk - Herschel Island in the Canadian Arctic. 📷:

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  13. proslijedio/la je Tweet
    31. sij

    From space, satellites show a much greener Arctic than in decades past. On the ground, as the Arctic warms, plants are leafing out earlier, growing taller and expanding in cover. But, the greening seen from space doesn't always match change on the ground.

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  14. proslijedio/la je Tweet
    29. sij

    Inexorable rise and spread in shipping along northern sea-route arteries as sea-ice dwindles. Vessel tracks revealed by using satellite data - . See also:

    47 proslijeđenih tweetova 77 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    31. sij

    Glad to be part of what's truly a group effort, this paper on arctic greening and browning led by and . Thanks go to for organizing the inspiring workshop in Sheffield, now almost three years ago, that initiated this effort!

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  16. proslijedio/la je Tweet
    31. sij

    Very happy to be part of this very useful study led by and . A must if you are interested in monitoring with remote sensing imagery. "An image is worth a thousand words...and a thousand processes!!"

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  17. proslijedio/la je Tweet
    31. sij

    Published today in : Explorers and set out to determine how changes to the Arctic observed from space compare to changes observed on the ground.

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  18. proslijedio/la je Tweet
    24. sij

    Excavation at the continues. We found a bone rich layer and a few large ice wedges. This will be the largest addition to the Tunnel in our five years of new work. Hopefully 80 meters of new Tunnel this winter!

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  19. 29. sij

    Finally, someone who can find words to express 'what it all means'.

    0:59
    Fenn, my nearly 4 year old daughter, recorded her first ever solo song today. She came up with all the words herself and I helped her a little bit with the tune. It’s called ‘Dinosaurs in Love’. 🦕❤️🦕
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  20. 28. sij

    and co-authors...loved that last line of the paper. A mammoth task indeed!

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