Temperatures are up to a blistering -23C in the center of the ice sheet, but will soon start cooling as we approach autumn. Look for all kinds of moronic press releases from NASA about the Greenland meltdown.
Disrupting the Borg is expensive and time consuming!
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The loss of ice is primarily in the northern hemisphere with a rate of ~300 Giga-tonnes per year. One Giga-tonne of ice is equivalent to one cubic mile. Losing 300 cubic miles of ice per year sounds pretty scary until you put it into context.
The current global ice inventory is >3,000,000 Giga-tonnes so if the melting continues at the current rate it will take more than 100,000 years to melt. If the Climate Alarmists are right, the rate of melting is “Accelerating” to about 3 times the measured rate. That means that the ice could be gone in 30,000 years.
The above information was gleaned from the IPCC’s Working Group #1 drafts that will be the basis of the AR5 report due for publication in September 2103.
http://www.gallopingcamel.info/Docs/WG1/WG1AR5_ZOD_Ch04_All_Final%20cryosphere.pdf
http://www.gallopingcamel.info/Docs/WG1-Ch4.doc
Will the IPCC’s “Summary for Policy Makers” next September will reflect what their scientists say?
Their numbers are completely bogus.
As usual you are right, the IPCC WG1 numbers are exaggerated. My point was that even after torturing the data to produce a number like 300 Giga-tonnes per year the melting is still insignificant. If the AR4 FUD factor (multiply by 3) is maintained into AR5 the melting remains “INSIGNIFICANT”.
So are you claiming that the Greenland ice sheet is not losing mass?
http://stevengoddard.wordpress.com/2012/07/03/digging-out-of-the-ice-in-greenland/
That doesn’t really answer my question. Annual mass gain/loss = Annual mass added – annual mass lost.
No one disputes that mass is added on the top of Greenland each year.
What is your understanding of the current annual mass gain/loss of Greenland?
The only realistic way to estimate changes in ice volume is by changes in sea level, which have been quite slow since 2007.
Attempts to directly measure ice volume by gravity anomalies are hopeless, because isostasy effects in Greenland are poorly understood and too large.
Ooops! One Giga-tonne of ice is equivalent to one cubic kilometer of ice. Owing to the lateness of the hour and some Glenfiddich 12 year old malt whisky my text check was sub-standard.
Moving to a much more interesting topic I prefer the 12 year old Glenfiddich to their 15 and 18 years old malts. I never liked the sherry casks for “Finishing”.
Everyone one makes mistakes with conversions of units. Please to not attempt to send any satellites to Mars.
Isn’t that at 10 000 feet altitude though? What about at the edges of the ice sheet? What temps are there? It’s obviously not going to melt from the centre outwards is it? So why make this point?
Most of Greenland is above freezing
http://www.wunderground.com/global/GL.html
Andy
Most of the surface of the ice sheet is at high altitude.
Ah ha! But the BOTTOM of the ice sheet is at low altitude!! THAT must be why it is melting so fast!
Just kidding…
Just because most of the stations are relatively mild doesn’t mean that most of Greenland is mild. There are very few stations from the 95% of Greeland that is covered by a deep layer of ice.
Only one
Some people are happy with ‘Global Warming’
http://data.giss.nasa.gov/cgi-bin/gistemp/gistemp_station.py?id=304854690000&data_set=14&num_neighbors=1
if we can believe the data
I would be happy with some real global warming , or even long term regional warming to a degree or two if it would allow us to again grow a really good newton pippen apple. The newton pippen when propperly grown is probably the worlds best apple with subtle flavors and good characterists that make it one of the best if not the best all around usage apples. But , it is a late apple and in NW Oregon doesn’t finnish until November. 2007 was the last year in which our newtons had the propper weather in which to finnish , since then it has been too cold in November thanks to global cooling. We have since moved on to earlier ripening varieties but I miss the newton.
It’s nearly that cool at the UK tennis at Wimbledon.
A glorious summer afternoon, with rain in the air and the temperature dropping to 15 degrees Celsius at the venue. The $125.4 million sliding roof cover of the center court stayed open – apparently it wasn’t cold or wet enough, yet… Maybe they just can’t find the switch.
Surely the Pikas will be migrating like Caribou into this cool cozy new home. That extra half degree in CO is killing them by the thousands.
” The $125.4 million sliding roof cover of the center court stayed open – apparently it wasn’t cold or wet enough, yet… Maybe they just can’t find the switch.”
It is probably connected to a solar or wind power source!
BCC asked (July 3, 2012 at 6:53 pm):
“So are you claiming that the Greenland ice sheet is not losing mass?”
One more time……even if you believe the IPCC’s estimated rate of melting (~300 giga-tonnes per year in the AR5 WG1 drafts), the melting is insignificant in comparison to the global ice inventory that stands at over 30,000,000 giga-tonnes.
Here is a question for you. Are you alarmed by the rate of melting, or is it something that can safely be ignored?