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Jim Hunt

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Re: What the Buoys are telling
« Reply #350 on: March 12, 2014, 04:41:20 PM »
O-buoy #7 is shown on the overview but doesn't seem to be sending any information apart from a fuzzy image.

I fear O-buoy #7 gave up the ghost long ago. If you compare the still with the video it looks like the fuzzy image dates from last autumn/fall. If 9 and 10 start transmitting non-fuzzy images look for them over at:

The 2014 Melting Season
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Bruce Steele

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Re: What the Buoys are telling
« Reply #351 on: March 12, 2014, 04:48:43 PM »
ITP- 74 is the only ITP WHOI buoy in the central arctic and ITP68 and ITP70 are all there are for the Beaufort. 69 is having motor troubles and 77 ? doesn't look right either. More buoys are still sending  surface temperatures but the temperature / salinity contours are limited to the three above.

Jim Hunt

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Re: What the Buoys are telling
« Reply #352 on: March 12, 2014, 04:52:28 PM »
Don't forget the mass balance buoys Bruce:

http://imb.crrel.usace.army.mil/newdata.htm

Snow and ice thickness are being recorded for posterity as well, along with temperature in and under the ice
« Last Edit: March 12, 2014, 05:35:00 PM by Jim Hunt »
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Bruce Steele

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Re: What the Buoys are telling
« Reply #353 on: March 12, 2014, 05:33:15 PM »
Thanks Jim, I try to watch the water column. Interest in Pacific halocline and also interesting to watch for potential upwelling as the buoy's drift over the ridges or shelf breaks. Mostly just watch. Here is an paper from 2004 on various Pacific halocline species , sources and locations.I don't think the author is related.

 ftp://psc.apl.washington.edu/wendy/2003JC002009.pdf

ghoti

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Re: What the Buoys are telling
« Reply #354 on: April 01, 2014, 08:14:48 PM »
A new season of north pole webcam watching is almost upon us. I did a quick test and changed 2013 to 2014 on last year's URL and found things are ready to go. I'm pleased to see there is an added webcam3 this year as well.

Looks like the webcams have been tested outside and ready to go to Barneo camp...

http://psc.apl.washington.edu/northpole/NPEO2014/WEBCAM3/ARCHIVE/npeo_cam3_20140218202515.jpg


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Re: What the Buoys are telling
« Reply #355 on: April 20, 2014, 07:54:22 PM »
The newly placed 2014D buoy is heading for the Fram at a good clip so far. We'll see how long it takes to get there.

http://imb.crrel.usace.army.mil/2014D.htm

From the data I compute about 58km since the first position recorded on April 2, an average rate of about 3.1 km/day or 3.6 cm/sec.

Jim Hunt

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Re: What the Buoys are telling
« Reply #356 on: April 20, 2014, 08:10:00 PM »
Lots more on buoys and webcams, amongst other stuff, is now available at:

http://GreatWhiteCon.info/2014/04/new-arctic-sea-ice-resources/

et seq. 2014D in particular can be found at:

http://GreatWhiteCon.info/resources/ice-mass-balance-buoys/winter-201314-imbs/#2014D

I'll just go away and bring it right up to date!
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ghoti

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Re: What the Buoys are telling
« Reply #357 on: April 21, 2014, 10:45:37 PM »
Barneo on fire? Left horizon on first image center horizon second image...



Jim Hunt

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Re: What the Buoys are telling
« Reply #358 on: April 22, 2014, 11:31:57 AM »
Barneo on fire?

According to the Barneo journal entry yesterday:

Quote
Barneo Base has finished. The team started to curtail the camp.

No mention of any fires though!

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ghoti

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Re: What the Buoys are telling
« Reply #359 on: April 26, 2014, 05:37:04 PM »
I wonder what the deal is with NPEO webcam #3 is. There is an archive for webcam #3 and the files get their update date/times changed everyday but the actual photos don't change from their April 14th shots.

The label embedded in the photo claims to be webcam #3. I wonder if they don't realize the actually photos aren't updating just the update time stamps.



Jim Hunt

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Re: What the Buoys are telling
« Reply #360 on: April 27, 2014, 11:19:44 AM »
I wonder what the deal is with NPEO webcam #3 is.

See NPEO field report #14: http://psc.apl.washington.edu/wordpress/research/npeo-2014-field-reports/

Quote
The French team returned to Longyearbyen having deployed their buoy monitored by Webcam#2.  They took Webcam#3 with them, hoping to resolve a focus problem and send it back out to Barneo.

It looks like it never made it back to Barneo
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ghoti

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Re: What the Buoys are telling
« Reply #361 on: May 02, 2014, 10:54:40 PM »
There's a new buoy map up ( not linked on the ASI Graphs page)

http://iabp.apl.washington.edu/maps_daily_map.html


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Re: What the Buoys are telling
« Reply #362 on: May 10, 2014, 12:46:17 PM »
An opening in the sea ice is seen near to the North Pole webcam:
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Re: What the Buoys are telling
« Reply #363 on: May 11, 2014, 04:44:15 PM »
http://imb.crrel.usace.army.mil/2013F.htm


Is that a melt pond right in front of the camera, this early in the season?

Jim Hunt

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Re: What the Buoys are telling
« Reply #364 on: May 11, 2014, 04:55:57 PM »
Is that a melt pond right in front of the camera, this early in the season?

This is the image in question from O-Buoy #10. For comparison purposes see also:

http://GreatWhiteCon.info/resources/arctic-sea-ice-images/winter-201314-images/#OBuoy10
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Re: What the Buoys are telling
« Reply #365 on: May 11, 2014, 05:01:22 PM »
http://imb.crrel.usace.army.mil/2013F.htm


Is that a melt pond right in front of the camera, this early in the season?

Shadow of the buoy stand?

Jim Hunt

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Re: What the Buoys are telling
« Reply #366 on: May 11, 2014, 07:30:02 PM »
I wonder if it's merely a mark on the camera lens. It became "frosted up" again after clearing on the 4th, for example. The dark patch seems to be shrinking somewhat as the day progresses.
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ghoti

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Re: What the Buoys are telling
« Reply #367 on: May 19, 2014, 06:27:14 PM »
Webcam 1 showing a respectable lead opening up. Looks like there is refreezing happening in the lead. Here are two images 12 hours apart. It looks like the webcam buoys have drifted 1/3 of the way from the pole to the Fram.




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Re: What the Buoys are telling
« Reply #368 on: May 23, 2014, 11:58:03 PM »
Webcam 1 seems to have taken a hit today - bears?

Before:



After:


DaddyBFree

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Re: What the Buoys are telling
« Reply #369 on: May 25, 2014, 04:02:53 PM »
I was wondering the same thing myself, Silkman.  The only other possibility I considered is that another lead opened up behind the cam and a slab of ice tipped the cam... :o

Webcam 1 seems to have taken a hit today - bears?

Before:



After:



Hans

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Re: What the Buoys are telling
« Reply #370 on: May 26, 2014, 05:47:23 AM »
Webcam 1 has regular updates of the time stamp, but the clouds are as drozen as the ice. This part of the pole wil not met this year.

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Re: What the Buoys are telling
« Reply #371 on: May 26, 2014, 09:08:24 AM »
The clouds are as frozen as the ice. This part of the pole will not met this year.

If they really are "clouds", they are changing slightly from one image to the next. Of course by now the cameras are nowhere near the North Pole!

http://GreatWhiteCon.info/resources/ice-mass-balance-buoys/winter-201314-imbs/#2014E
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Jim Hunt

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Re: What the Buoys are telling
« Reply #372 on: June 02, 2014, 05:43:33 PM »
Footprints in the snow near NPEO webcam 2? Open water in the distance?

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Re: What the Buoys are telling
« Reply #373 on: June 03, 2014, 12:09:11 AM »
I would say footprints (polar bear most likely  :) ) and definitely looks like open water especially on today's image just coming in - nice and sunny too.  Webcam #1 on its side http://psc.apl.washington.edu/northpole/NPEO2014/9.jpg , while not as interesting, gives a good view of melting ice.

silkman

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Re: What the Buoys are telling
« Reply #374 on: June 10, 2014, 09:31:33 AM »
Is webcam 2 planning to drill a hole to catch fish? :)


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Re: What the Buoys are telling
« Reply #375 on: June 10, 2014, 05:13:22 PM »
Is webcam 2 planning to drill a hole to catch fish? :)


Judging by the water visible on the upper right, I suspect drilling may be unnecessary.
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JayW

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Re: What the Buoys are telling
« Reply #376 on: June 13, 2014, 12:10:49 PM »
4 of these 7 bouys are above freezing, been waiting to see that  :), the other 3 aren't that cold either.

http://imb.crrel.usace.army.mil/newdata.htm
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ghoti

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Re: What the Buoys are telling
« Reply #377 on: June 22, 2014, 06:39:34 PM »
Looking at the last 20 images from NPEO webcam 2 today it seems as if there is a fast flow of ice through the large lead visible in the top right of the images.

I don't know if this is a visual illusion or if there really is flow. Seems to me as if the ice on either side of the lead get closer and farther apart but stay somewhat in sync while bits of ice flow between them.

All while the snow around the buoy doesn't melt.

http://psc.apl.washington.edu/northpole/NPEO2014/WEBCAM2/ARCHIVE/
Hit end to jump to the latest images.
I control-click each of the last 20 images to open them in new browser tabs then use control-tab to run through them like a flip-book animation.

Jim Hunt

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Re: What the Buoys are telling
« Reply #378 on: June 22, 2014, 06:49:43 PM »
I don't know if this is a visual illusion or if there really is flow.

Are you aware that a movie is available? A large download!

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ghoti

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Re: What the Buoys are telling
« Reply #379 on: June 22, 2014, 08:11:32 PM »
I wasn't aware, thanks. However, the movie ends yesterday before the part I was referring to.

JayW

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Re: What the Buoys are telling
« Reply #380 on: June 24, 2014, 11:10:45 AM »
Looks like it is rather toasty around buoy 2012G, almost hit 10°C it appears from the temperature graph.

http://imb.crrel.usace.army.mil/newdata.htm

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Re: What the Buoys are telling
« Reply #381 on: June 24, 2014, 12:10:43 PM »
JayW, it fits into the 'heatwave' that will last up to next Sunday in the Western Archipelago.
2012G seems to be as far North as Borden Island, big lead filled with rubble opening up there, right into the CAB.
Almost +10dC might be a bit unlikely though. Climate Reanalyzer has lower temps over the ice; about +1-+3.
Nevertheless, the channels are taking a beating. Mould Bay, Pr. Patrick Island, has several days on +5-+7, Melville Island will go over +10dC.
Wonder if Pr. of Wales Strait (Banks-Victoria) will start breaking up soon.

Jim Hunt

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Re: What the Buoys are telling
« Reply #382 on: June 24, 2014, 12:51:23 PM »
Despite the recent high air temperatures it looks like there's still at least 40 cm of snow in the area at the moment:

http://GreatWhiteCon.info/resources/ice-mass-balance-buoys/summer-2014-imbs/#2012G

Most of the sensors on 2012G have failed, so unfortunately it's a bit hard to be precise!
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Bruce Steele

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Re: What the Buoys are telling
« Reply #383 on: June 25, 2014, 07:25:21 AM »
ITP WHOI 79.    11.56 C
ITP WHOI 78.    11.41 C
ITP WHOI 77.    11.36 C

http://www.whoi.edu/page.do?pid=132476
 

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Re: What the Buoys are telling
« Reply #384 on: June 25, 2014, 09:08:40 AM »
ITP WHOI 79.    11.56 C
ITP WHOI 78.    11.41 C
ITP WHOI 77.    11.36 C

http://www.whoi.edu/page.do?pid=132476

There is only one response to this...

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Frivolousz21

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Re: What the Buoys are telling
« Reply #385 on: June 25, 2014, 09:11:03 AM »
It's messed up by a snow drift but still.
That is huge melt.

I am talking near 77N.  This is way up there.



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Rubikscube

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Re: What the Buoys are telling
« Reply #386 on: June 25, 2014, 03:16:37 PM »
If you compare the latest O-buoy 10 image with the last frame in the O-buoy 10 movie (from June 6), the melt becomes pretty apparent. The ponds can't be to far away unless the weather turns radically.

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Re: What the Buoys are telling
« Reply #387 on: June 25, 2014, 04:10:19 PM »
If you compare the latest O-buoy 10 image with the last frame in the O-buoy 10 movie (from June 6), the melt becomes pretty apparent. The ponds can't be to far away unless the weather turns radically.

I think they're already there... they don't jump out in the cloud-diffused light. But when the graph is 'enhanced', they show to the under-left corner and to the mid right.
Given sunlight, they'll show.

Bruce Steele

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Re: What the Buoys are telling
« Reply #388 on: June 25, 2014, 05:18:15 PM »
June 25
ITP WHOI  79.    6.67 C
ITP WHOI  78.    6.15 C
ITP WHOI. 77.    5.8   C

These three buoys are about three hundred miles north of land.  I can't retrieve data from earlier in the week but from my  memory  ITP 79  June 22 ~ 7 C, June 23 ~ 9C, Yesterday 11.56 C and today 6.67C.   I think the sensors are working fine.

Jim Hunt

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Re: What the Buoys are telling
« Reply #389 on: June 25, 2014, 06:43:26 PM »
These three buoys are about three hundred miles north of land.  I can't retrieve data from earlier in the week but from my  memory  ITP 79  June 22 ~ 7 C, June 23 ~ 9C, Yesterday 11.56 C and today 6.67C.   I think the sensors are working fine.

Those buoys are part this year's Marginal Ice Zone program in the Beaufort. Much more information, including historical temperatures, can be seen at:

http://GreatWhiteCon.info/resources/ice-mass-balance-buoys/summer-2014-imbs/#MIZ

You will note that the temperatures quoted come from AWS buoys, which don't seem to show such high readings as the ITPs. Here's the readings from the cluster including ITP 79:



ITP 79 historical temperatures can be seen at: http://www.whoi.edu/itp/images/itp79loc2.jpg
« Last Edit: June 25, 2014, 07:05:49 PM by Jim Hunt »
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Bruce Steele

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Re: What the Buoys are telling
« Reply #390 on: June 25, 2014, 07:01:51 PM »
Jim, if I am counting correctly the cluster 4 temperature graph is through the 22nd so I will be interested to see if the high ITP temps show up in a couple days?

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Re: What the Buoys are telling
« Reply #391 on: June 25, 2014, 08:40:39 PM »
June 25
ITP WHOI  79.    6.67 C
ITP WHOI  78.    6.15 C
ITP WHOI. 77.    5.8   C

These three buoys are about three hundred miles north of land.  I can't retrieve data from earlier in the week but from my  memory  ITP 79  June 22 ~ 7 C, June 23 ~ 9C, Yesterday 11.56 C and today 6.67C.   I think the sensors are working fine.

On the other side, but very far north:

Data from ITP76 deployed in April 2014

Last buoy status on 2014/6/24 230000 UTC : temperature = 2.97 °C, battery = 11.13 V

Plot of ITP Buoy Status

Last position on 2014/6/24 230005 UTC : 86.5784° N, 9.2465° E

Andreas T

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Re: What the Buoys are telling
« Reply #392 on: June 27, 2014, 01:37:08 AM »
It seems to me that the ITP buoys give buoy temperatures rather than air temperatures. With machinery operating the profiler, it would not be surprising to find higher onboard temperature.

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Re: What the Buoys are telling
« Reply #393 on: June 27, 2014, 01:45:52 AM »
O-buoy 9 is very near the pole and it is chilly there but not super cold.  No snow should be melting there though http://obuoy.datatransport.org/monitor#buoy9/weather

O-buoy 10 is halfway between the pole and alaska and it is not warm there either, hovering about 0.  http://obuoy.datatransport.org/monitor#buoy10/weather

So yes, I concur, those temp readings do not look like air temp readings.
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Re: What the Buoys are telling
« Reply #394 on: June 27, 2014, 01:17:45 PM »
Obuoy 10 has clear images again. The snow looks wet to me, the warmer temperatures of recent days have had an effect. What is interesting in the light of recent discussions on  other threads is that the foggy days of 23.,24.,25. June have had higher temperature averages than clear days which show a drop in temperature at low sun elevation. At a latitude of less than 77deg there is a daily cycle which the more northerly buoy 9 does not show.





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Re: What the Buoys are telling
« Reply #395 on: June 27, 2014, 01:59:57 PM »
In spite of snow drifts some bottom melt and major snow melt.

This is form Obuioy10.  The image above.  Drifted snow shows a massive decline.  There obviously isn't this much snow all over the region.  In fact cryosat/ice bridge put the average snow depth before summer melt started way below this.


« Last Edit: June 27, 2014, 03:58:59 PM by Frivolousz21 »
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and a dirty pistol that love to crew hop
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it go e-e-e-e-ow e-e-e-e-e-e-blaow

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Re: What the Buoys are telling
« Reply #396 on: June 27, 2014, 02:41:35 PM »
Notice how wind direction, wind speed and relative humidity changes just around the temperature spike at O-buoy 10. Coincidence? I think not. My bet is that those readings are legit.

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Re: What the Buoys are telling
« Reply #397 on: June 27, 2014, 02:58:14 PM »
A pool has formed next to the buoy in the last 24 hrs and the snow level has receded on the measuring stick nearby, the next black stripe has started to show.  So there's surface melting at 85ºN.

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Re: What the Buoys are telling
« Reply #398 on: June 27, 2014, 03:01:15 PM »
which buoy is that?

Jim Hunt

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Re: What the Buoys are telling
« Reply #399 on: June 27, 2014, 04:11:30 PM »
which buoy is that?

NPEO webcam 2 I assume:

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