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Post by sigurdur on Feb 3, 2015 16:19:38 GMT
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Post by graywolf on Feb 8, 2015 13:25:42 GMT
Meanwhile, Fram looks to be taking a bit of a battering over the coming couple of weeks? PIOMAS still shows us holding our own ( as Bering puts on ice and 'slabbing off Greenland thickens up FY ice ) and both The East Siberian and Beaufort have been very mobile?
Should the ridge/Trough positioning over the US persist ( as it has since 2012 when the central US ridge backed over the west coast) then the current set up of the Atlantic jet ( south Greenland and up toward Fram) continue then we can expect a quick start to the breakup of the Atlantic side of the Basin come spring.
The Sun is already rising over the Arctic so we're in the final leg of re-freeze for the year. Time to start considering how we are set up for the 2015 melt season.
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Post by duwayne on Feb 10, 2015 0:44:47 GMT
For whatever reason, the ice sheets in Greenland have been growing rapidly so far this year. Top: The total daily contribution to the surface mass balance from the entire ice sheet (blue line, Gt/day). Bottom: The accumulated surface mass balance from September 1st to now (blue line, Gt) and the season 2011-12 (red) which had very high summer melt in Greenland. For comparison, the mean curve from the period 1990-2011 is shown (dark grey). The same calendar day in each of the 22 years (in the period 1990-2011) will have its own value. These differences from year to year are illustrated by the light grey band. For each calendar day, however, the lowest and highest values of the 22 years have been left out.
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Post by sigurdur on Feb 10, 2015 1:20:02 GMT
The average mass on an annual basis on Greenland has been increasing for 2 years. Normal variation one would think?
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Post by icefisher on Feb 10, 2015 8:47:55 GMT
The average mass on an annual basis on Greenland has been increasing for 2 years. Normal variation one would think? Lets hope Antarctica starts showing signs of melt soon.
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Post by sigurdur on Feb 10, 2015 12:39:43 GMT
The average mass on an annual basis on Greenland has been increasing for 2 years. Normal variation one would think? Lets hope Antarctica starts showing signs of melt soon. I agree.
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Post by sigurdur on Feb 11, 2015 3:22:08 GMT
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Post by graywolf on Feb 11, 2015 9:30:09 GMT
thanks Siggy!
I think you'll find going into the 'Greenland/Arctic ' thread and looking at the Nares thread? Seems last weeks strong southerlies smashed the late formed Arch (in Kane) shunting the ice back up stream toward Lincoln.
As for Greenland? The anomalous snow falls that have been seen since our polar Jet took its 'new' configuration ( since 2012) has placed many depressions, laden with moisture ( both the anom warm sst's of the Atlantic as the frigid air drops off eastern US driving convection and the airs ability to hold 4% more moisture these days) directly over Greenland? Of course if you look at the trend in mass loss you'll find this still doubling over a 6 to 10 year doubling period.......
EDIT: Maybe take a look at what is occurring to Austfonna on Svalbard to see what lies in wait for the marine terminating Glaciers across Greenland?
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Post by sigurdur on Feb 11, 2015 13:10:39 GMT
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Post by sigurdur on Feb 11, 2015 14:10:47 GMT
www.esa.int/Our_Activities/Observing_the_Earth/CryoSat/CryoSat_extends_its_reach_on_the_ArcticCryoSat has delivered this year’s map of autumn sea-ice thickness in the Arctic, revealing a small decrease in ice volume. In a new phase for ESA’s ice mission, the measurements can now also be used to help vessels navigate through the north coastal waters of Alaska, for example. Measurements made during October and November show that the volume of Arctic sea ice now stands at about 10 200 cubic km – a small drop compared to last year’s 10 900 cubic km.
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Post by graywolf on Feb 18, 2015 10:28:48 GMT
JAXA hits the bottom of the pile today with losses for the two preceding days. With Fram still flushing ice out of the basin ( as it has since mid Dec) we are still losing older,thicker ice for late formed FY ice. This extent drop and the continued hemorrhaging of thick ice must impact Febs PIOMAS figures?
With Jan coming in warmest/second warmest on the global measures it looks likely that we will see a 'warm ' start to the melt season this year ( last year Feb posted the 'coolest' of the global months with the bulk of the other months setting records/near record high temps). Seeing as the global temps are being driven by warm sst's it's hard to see Feb not continuing the trend. With the triple 'R' still plaguing west coast U.S./Alaska we are still seeing warm air advection into the basin ( and the basin's cold flowing into the trough on the other side of the ridge bringing insane snow totals down the East coast U.S.).
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Post by Ratty on Feb 18, 2015 11:09:23 GMT
JAXA hits the bottom of the pile today with losses for the two preceding days. With Fram still flushing ice out of the basin ( as it has since mid Dec) we are still losing older,thicker ice for late formed FY ice. This extent drop and the continued hemorrhaging of thick ice must impact Febs PIOMAS figures? With Jan coming in warmest/second warmest on the global measures it looks likely that we will see a 'warm ' start to the melt season this year ( last year Feb posted the 'coolest' of the global months with the bulk of the other months setting records/near record high temps). Seeing as the global temps are being driven by warm sst's it's hard to see Feb not continuing the trend. With the triple 'R' still plaguing west coast U.S./Alaska we are still seeing warm air advection into the basin ( and the basin's cold flowing into the trough on the other side of the ridge bringing insane snow totals down the East coast U.S.). GW, why do you think that the Arctic is not ice free now? What's holding up a total melt?
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Post by nonentropic on Feb 18, 2015 18:51:35 GMT
And Ratty Australia seems to be getting a lot of rain when the Greens predicted you would be relegated to country of Brown's.
Graywolf needs to reflect on the lack of data early in the very apparent 60 year cycle we witness in the climate variation.
Reporting micro changes in wind or ice export as if unique when in fact they are simply first time recorded is daft. I do think we need to record these events but reporting or fitting linear fluctuation where the data has quite a different functional representation is disingenuous. Much will be understood by year 60 of satellite records. It may by then be clear we need 200 years of satellite records.
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Post by sigurdur on Feb 18, 2015 19:25:50 GMT
Read something really stupid from the AGW crowd a few days ago. That the Pacific and Atlantic have never interconnected because of Arctic Ice. Tell that to the bowhead whales and other species, which clearly show that during the Holocene the Arctic was ice free during the summer.
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Post by Ratty on Feb 19, 2015 1:45:44 GMT
And Ratty Australia seems to be getting a lot of rain when the Greens predicted you would be relegated to country of Brown's. [ Snip ] Yep, the wide brown land is looking pretty green - in parts - ATM. Looks like my local area is about to cop a "significant weather event" from TC Marcia. The MSM are beside their collective selves praying for (preying on?) a disaster. There's very little else on the airwaves down here but flooding, sandbags, tidal surge, etc. Notorious flood areas have been cordoned off to parking. Meanwhile, we've had 10mm today and it's a little windy ATM. PS: After the Brisbane floods of 1974, we've always bought on high ground so I'm high and dry provided the roof doesn't blow off.
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