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Topics - Espen

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Only for Connoisseurs of Glaciers

After years spent in the prison of curiosity, I realized Landsat 8 started to transmit from the extreme  north of Greenland, on July 17 2016 after more than 3 years (May 17 2013)  Landsat was back where I wanted them to be, and with the great assistance from our “room mate” Wipneus, this came out:
.
The area I find most interesting up there is a place called Gertrud Rask Land , named after the wife of the Norwegian missionary to Greenland Hans Egede. (https://en.wikipedia.org/wiki/Gertrud_Rask)
Gertrud Rask Land is a relatively small “Land” in Greenland termilogy, its nothern part is only 3 seconds south of Kap Morris Jesup (https://en.wikipedia.org/wiki/Cape_Morris_Jesup)  and only some 30 – 40 km away to the West of Kap Morris Jesup. But despite its small area Gertrud Rask Land contains a large amount of glaciers 15 – 20 depending of how you count.
But more interesting is the fact that Gertrud Rask land contains 3-5  of the most northerly glaciers in the world still depending how you count.
The glacier I have found most interesting of these 5 , is ASIF 83°36 N (named after its northern position at terminus and in honour of the Arctic Sea Ice Forum), since no one else bothered to name  it I think it is appropriate we do, nor did I find anything written about this glacier?

ASIF 83°36 N is an outlet glacier, and in the image below you can see some of her calves, from the bottom of its feed there is about 8.5 km to the terminus and its width at terminus is about 3,2 km, so  not realy a giant glacier the problem with all glaciers in Gertrud Rask Land including ASIF 83°36 N is feed, there seems to be too little precipipation in most parts of the extreme north of Greenland, so most of these glaciers will probably “dry out” unless something else happen, maybe warmer weather will help for a while, who knows?

ASIF 83°36 N is marked with a red star * on the image!

Please click on the large image to enlarge!

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Greenland and Arctic Circle / No-Name Glaciers
« on: April 08, 2016, 11:36:28 PM »
Retreating from the battlegrounds of the more famed glaciers in Greenland, I want you you to take a look at some glaciers or more important the ice sheet in Eastern Greenland, the trivial retreat of glaciers is not so important, but take a look at the growing rocks or rather the thinning ice sheet seen over 30 years
It looks like the ice stream towards the northern glacier is redirected (from the glacier in the middle) due to the ice sheet thinning, showing why some glaciers stop actions (calving/retreating) :

Please click on image to animate!

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Breaking news:

Up in the extreme north of Greenland only about 50 km from Kap Morris Jesup is an officially unnamed glacier found, its terminus is above 83 North or in other words where the crows fly backwards.
This glacier which I named preliminary 83° 35' 56" N  36° 47' 32" W Fjord Gletcher, is the northernmost calving glacier in the world. The documentation is seen below.

https://en.wikipedia.org/wiki/Gertrud_Rask

Click on images to enlarge!

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Frederikshåb Isblink a large glacier/ ice cap in the South Eastern Part of Greenland, is showing substantial retreat and thinning in just one year.

Please click on image to animate and enlarge!

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Greenland and Arctic Circle / Nunatakassap Sermia / North West Greenland
« on: September 05, 2015, 12:10:08 PM »
Dramatic changes is seen at Nunatakassap Sermia, another grand but almost Google unknown glacier in Greenland, over the last 17 years since 1998 the glacier retreated some 15 km equal to +/- 70 km2 of ice area that is about 80 % the size of Manhattan, and probably + 100% of the volume even if all constructions in Manhattan were the size of One World Trade Center:

Notice the unnamed glacier to the north of Nunatakassap Sermia is trying to follow suit.

Note the 2nd frame in the animation should be August 27 2015 (not 1998)

Please click on the image to start animation

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Same sad story a little bit north of the Sverdrup Gletscher system, where retreat is seen across the board:

Please click on image to animate (very large).

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A "new" more or less google-unknown glacier is born (they can still be found).
This time it is Giesecke Isfjord a bit north of the more famed Upernavik Isstrøm.
Giesecke Isfjord is named after the German mineralogist Karl Ludwig Giesecke who worked for the Danish king in Greenland from 1806 to 1813 https://da.wikipedia.org/wiki/Karl_Ludwig_Giesecke.
The reason I will draw your attention to this glacier is:

1. As almost all west coast glaciers it is retreating and thinning.

2. It will soon change form and direction (the ice bridge between the glacier and island will soon collapse) .

3. A few new islands are born due to retreat.

4. The inserted image of Jakobshavn in the lower left corner is for size comparison.

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Just a little south of Sverdrup Gletscher, the large Steenstrup Gletscher is found. As can be seen in the animation below, the glacier is showing some spring strength:

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Greenland and Arctic Circle / Trip to Jakobshavn Isbræ?
« on: April 09, 2015, 05:39:57 PM »
I wonder if there is an interest in the Arctic Sea Ice Forum community to arrange a trekking trip along the southern shore of the Icefjord to the calvingfront , the plan is to camp there for a few days, and do some studies?

I suspect 2015 could be one of the last seasons the calving front can be watched from solid ground (rocks) in a relatively short distance.

I believe the trekking distance will be max. 2 x 42 km and could be less?

Let me hear your interest in such a project? 8)

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Here is another large glacier of Greenland, this time it is Sverdrup Gletscher with a 6.7 km calving front, as most other large outlet glaciers in Greenland this glacier is speeding up and and at the same time retreating, I will report more on this area later in the season because there is so much to report and several glaciers involved:

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Arctic sea ice / Ward Hunt Ice Shelf / Ellesmere Island Canada
« on: February 15, 2015, 12:24:19 PM »
Just checking the new Polar View ( http://www.polarview.aq/arctic ) I noticed that nothing much seems to be left of the "largest" ice shelf in the Arctic:

 

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Consequences / Denmark set for new record in average temperature!
« on: December 17, 2014, 05:27:53 PM »
Lets call it "Local warming", the mean temperature for 2014 increased by a whopping 0,5 degree and will result in a mean temperature at 10,0 degrees (previous highest mean temperature was 9,5).

http://www.dmi.dk/nyheder/arkiv/nyheder-2014/12/rekordvarmt-2014-utaenkeligt-uden-klimaaendringer/

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Glaciers / Norwegian Ice Caps / Glaciers
« on: October 25, 2014, 09:37:20 PM »
 The heat is on, and the result of this is clearly seen in the once great icecaps of Norway:

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Greenland and Arctic Circle / Greenland Glacier Summary 2014 discuss thread
« on: September 27, 2014, 09:07:48 PM »
This thread will be available for questions, discussions etc. regarding the main locked Greenland Glacier Summary 2014.

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Greenland and Arctic Circle / Greenland Glacier Summary 2014
« on: September 27, 2014, 07:39:55 PM »
Soon we will start up Greenland Glacier Summary 2014, we intend to show what happened to the various glaciers in the season of 2014, the first entry should be in the middle of October 2014. 

Please go to https://forum.arctic-sea-ice.net/index.php/topic,1003.msg37209.html#msg37209 for post entry.

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Arctic sea ice / Laptev Bite
« on: September 11, 2014, 06:41:38 AM »
Polarstern is very busy at the Laptev Bite location: http://sailwx.info/shiptrack/shipposition.phtml?call=DBLK

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The rest / Mushroom: Poricino (Boletus edulis)
« on: September 07, 2014, 04:31:11 PM »
Was out picking mushrooms this weekend in Sweden, in 2 just 2 hrs. we picked 23 kgs of Boletus edulis, fantastic!

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Policy and solutions / Green energy is not always perfect
« on: August 18, 2014, 09:48:27 PM »

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Greenland and Arctic Circle / Ice caps / All Greenland
« on: August 09, 2014, 11:49:28 AM »
I have done a fever test series over the last few weeks, mostly showing retreating Ice Caps / Firns etc., I find it just as important to watch these land based Ice Caps, as the glaciers, because in my opinion these Ice Caps behavior is more weather related (temperature) than glaciers because the later can be influenced by other factors like the sea, currents, tides etc.

The first sample I will show on this thread is from Washington Land, North West Greenland, and it is John Brown Iskappe which is a fairly low altitude Ice Cap (~865 meter).
As suspected the Ice Cap is showing signs of retreat, because when you see rocks grow, something is wrong, especially when you watch an Ice Cap from above:

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Another grand outlet glacier of Greenland this time Walterhausens Gletscher (width at calving front ~ 11 km), is showing signs of retreat, not only the calving front is retreating, but also signs of thinning, a new island is popping up at the present calving front and the islands inside the glacier is getting larger, notice the reduced area of the ice cap (Blokken) on the hill (Himmelbjerget 1400 meter) to the left, all signs of a warmer weather in the district.

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Another one of the great glaciers of Greenland, Kangerdluqssuaq Gletscher is showing some sizable calving:

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Greenland and Arctic Circle / Northern most glaciers.
« on: August 03, 2014, 07:16:47 PM »
It find it a bit funny that the 8 northern most glaciers, all above 83,34,41 N, are nameless, they are all situated in a relatively small area called Gertrud Rask Land and all within 30 km.

Gertrud Rask Land is a part of Johannes V- Jensen Land and Peary Land and about 60 km from the second most northern point in Greenland Kap Morris Jesup (Kaffeklubben Ø is situated 87 seconds further north).
 
I found that glacier # 6 seen on image below is the northern most glacier in Greenland and thereby in the world.

I will contact the authorities here in Copenhagen and check if it is true these glaciers are officially nameless.

By the way the Landsat 8 image used below is very rare and is from May 17 2013 (only 1 exist).

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Greenland and Arctic Circle / Île de France / North East Greenland
« on: July 26, 2014, 10:30:00 PM »
This time we do the fever test at Île de France, an overlooked place but still interesting, it is clear the ice cap on this island is retreating by the years as can be watched in the animation below.
All images are from August in the respective months.
Notice the total absence of sea ice surrounding the island in 2013 (this also happened in 2002 and 2003), and will likely happen in 2014 too.

The island is situated just south east of Jøkelbugt, its length is ~ 32,5 km and the average width ~ 10 km and all together ~ 250 km2. The maximum height of the island is about 250 m.

Please click on the image to start the animation!

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I just stumbled over this on one of my field trips:
If you cant find enough ice melting elsewhere, then watch this animation, it is from the very north of Greenland, here you find the Ice Cap / Glacier named Flade Isblink, the animation contains 2 images and they are exactly 8 years apart on the date, watch how the the whole area is melting this year compared to 2006:

Please click on the image to start animation!

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In the very north of North East Greenland, and just south of Flade Isblink, in the area called Amdrup Land and inside Ingolf Fjord, we have another sizable glacier called Tobias Gletscher, a 5 km outlet glacier. The glacier retreated considerably in the period 2006 - 2014 (earlier documentation is hard to find).

Please click on the image to start the animation!   

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Greenland and Arctic Circle / Kap Farvel / South Greenland
« on: July 13, 2014, 02:07:47 PM »
More evidence of changes, although on a much smaller scale than further north, we see all outlet glaciers in the district of Kap Farvel retreating. I have encircled the glaciers in red color. The green encircled area show the retreat of the local ice sheet:

Please click on image to start animation!

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June 15 2014 23,2°C!!!

The press release is in Danish (a common language for most of you I guess :)):

http://www.dmi.dk/nyheder/arkiv/nyheder-2014/07/groenlandsk-rekordvarme-i-juni/

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Another calving, from one of the large glaciers in East Greenland:


Daugaard-Jensen Gletscher  71Ø-65 (71°50.0'N 28°47.0'W; Maps 3, 4) Large glacier between Hinks Land and Charcot Land, and one of the most productive in East Greenland. The name first appears on the 1932 1:1 million scale Geodætisk Institut map prepared on the basis of aerial observations by Lauge Koch during the 1931-34 Treårsekspeditionen. It was named after Jens Daugaard-Jensen [1871-1938], a Danish administrator who was Inspector of NW Greenland from 1900, and director of Grønlands Styrelse 1912-38. He was president of the 1931-34 expedition committee, and Koch notes that he constantly followed the work of the expedition with interest. (Daugård-Jensen Gletscher.) GEUS/Denmark

Please click on image to start animation!



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Bussemand Gletscher is retreating, this can be observed in the animation below:

Please click on image to start the animation!

More information about this glacier can be read on Mauri Peltos site:

http://glacierchange.wordpress.com/2013/03/22/bussemand-gletscher-retreat-east-greenland/

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Ryder Gletscher is situated in Sherard Osborn Fjord between Warming Land / Permin Land and Wulff Land / Aage Bistrup Land.

It seems Ryder is ready for a minor calving soon, the image below show the progress between April 29 2013 and May 31 2014.

Please click on image to enlarge!

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Greenland and Arctic Circle / New Arctic Portal from DMI
« on: May 20, 2014, 05:01:37 PM »
A new Arctic Portal from DMI is on the air, now with animations of several glaciers from Greenland, wonder from where they got the inspiration?

http://polarportal.dk/en/home/

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Arctic sea ice / USCGC Healy 2014
« on: May 11, 2014, 05:35:02 PM »
Healy is on the move again here is the link for the latest webcam images:

http://icefloe.net/Aloftcon_Photos/index.php?album=2014

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Policy and solutions / Solar Roadways
« on: May 11, 2014, 12:11:00 PM »
I just came across this "new" technology, if it works,, it would be great, because I am not a fan of Wind Power or traditional Solar Panels:

http://www.solarroadways.com/intro.shtml

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Above 83 North, in the land named after Johannes Vilhelm Jensen a Nobel Price author 1944 and not far away from Kap Morris Jesup we find some of the northern most glaciers in the world:
Moore Gletscher
Bertelsen Gletscher
Borup Gletscher
Ydun Gletscher
and some unnamed glaciers.

Please click on image to enlarge!


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The largest known glacier of the Northern Hemisphere, is Humboldt Gletscher, named after the German naturalist Alexander von Humboldt.
Discovered by Elisha K. Kane on his expedition of 1853–55.

Strange enough, there is not much discussed about this "Natural Monster" but there is still something to be discovered, with the help of our Image Wizard etc. "Wipneus", I have noticed many large cracks behind the calving front of the glacier. (See attached image).

Please ! Click on image to enlarge!




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Sea ice break up in progress, light ice is seen in the fjord:


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Arctic sea ice / Polar Portal/ DMI / GEUS / DTU
« on: January 10, 2014, 11:48:27 PM »
For those interested a "new" Danish portal is now available::

http://polarportal.dk/en/arctic-sea-ice/

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In the North East East of Greenland, east of 79N Glacier and Zachariae Isstrøm or about 130 km / 72 Nm east of Kap Zachariae / Lambert Land, is NØIB (Norske Øer Ice Barrier), in the same area is Belgica Bank with its shallow water is also found.
According to many papers the area was historically covered with fast ice during the whole year, but in 2003 the fast ice disappeared , probably for the first time ever in modern time, the fast ice then recovered to some degree again over the years, but in the otherwise cold arctic summer of 2013 the fast ice almost left the scene again, only a small piece NØIB-2013 survived, but why this stubbornness?   


Please click on image to enlarge.

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Upernavik Isstrøm / Sermeq is a another large tidewater glacier, this animation shows its movements during 2003 - 2013:

Notice how they are growing islands in Greenland ;)

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Arctic Background / New Arctic site / journal
« on: September 19, 2013, 03:19:32 PM »

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Greenland and Arctic Circle / Midtgårdgletscher / South East Greenland
« on: August 30, 2013, 04:49:15 PM »
Midtgårdgletscher another glacier in the Sermelik Fjord system and a neighbor to Helheim and Fernis Gletscher, retreated big time in the 1972 - 2013 period, almost 15 km, and  a recent calving even went unnoticed, as can be seen from following images: 

A red line on the 2013 image indicates the 1972 calving front.

Please click on images to enlarge.

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Calving Event
Great video from July 24 2013 Helheim Calving Event by Hans Henrik Tholstrup, the clip was made by an "accident", a Geologist wanted to pick up some some pieces of rocks nearby, and then the whole "Rock Concert" started across the fjord.

https://www.youtube.com/watch?v=TrtONyTuZgo

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Greenland and Arctic Circle / Kofoed-Hansen Bræ / North East Greenland
« on: August 28, 2013, 09:13:32 AM »
Kofoed-Hansen Bræ, is another glacier in the Storstrømmen Glacier complex, found in the opposite end of Storstrømmen and with a terminus facing north between Sønderland to the west and Nordmarken / Søndermarken to the east which is a part of the Jøkelbugt area.
See GEUS map below.
The width of the glacier terminus is +/- 10 km depending on when and where it is measured.
The glacier has shown some retreat between 1973 and 1990 on an average of 6 km again depending on where it is measured.
Since 1999 to 2013 the glacier only moved a little forth and back.

Please click on image to enlarge, for better details!

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Arctic sea ice / Northwest Passage.
« on: August 18, 2013, 10:39:45 AM »
The passage looks like it will be open soon thru Bellot Strait, just follow the red line ;)

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Arctic sea ice / Commercial interests in the Arctic
« on: August 10, 2013, 05:46:22 PM »
According to a Danish Daily China expects 15 % of Chinas export to be transferred via the Arctic sea in 2020.

http://borsen.dk/nyheder/politik/artikel/1/263178/kina_aabner_ny_handelsrute_gennem_nordvestpassagen.html   

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Lindhard Island: This more or less unnoticed island in Dove Bugt and Borgfjorden, may become navigable for the first time in satellite history, only 800 meter of glacier ice remains between Bagfjorden and Bræfjorden, and may also be the end of story for 2 fjords?
Any suggestions what this new sound should be called?
 

Please click on image to enlarge and for better details:

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