I need a good source of ice sheet coverage maps from 15,000 to 5,000 years ago. TIA
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How much ice do you want them to show, and how big is the grant?
I want to demonstrate that there was far too much ice 10,000 years ago to have reached the Holocene Maximum, but I need the maps.
Try this:
http://www.gisp2.sr.unh.edu/DATA/alley1.html
Looks like in Greenland it was warmest about 7,500 years ago.
Here’s one that expands the Younger Dryas cold snap – 11.6 – 12.8 kyrs BP:
http://www.gisp2.sr.unh.edu/DATA/fancy.html
The measurements above were taken before Summit Station became a golf course. 🙂
Robert over at Iceagenow.info has some on his site..I asked for sth hemisphere ones a year or more ago cos we only ever see nth. dunno if theyre what you need but they are there and hes a nice fella, sure he will help if he can. laurel in Aus
Ice Age Now comes to mind. Not sure if they have something that you’re looking for but it is the source that I looked for before and after last Ice Age for sea level of what Earth looked like.
http://www.iceagenow.com/Sea_Level_During_Last_Ice_Age.htm
That’s what I found when researching on sea level but unfortunately, it did not show ice coverage.
Doug Might have someting for you:
http://theresilientearth.com/?q=blogs/doug-l-hoffman
It is around that time period that monsoon rains turned the Sahara from desert into grasslands. So beyond reduced ice, there was some major changes in weather patterns; which were beneficial to mankind.
The Mystery Of The Sphinx
http://youtu.be/qQ-xh3kedW4
You have to wonder how old The Sphinx really is… http://www.robertschoch.com/sphinxcontent.html
CA also has a lot of information about ice during the last 10,000 years! I found this regarding Ellesmere Island:
http://climateaudit.org/2007/01/04/ellesmere-island-ice-shelves/
I know he has lots more.
http://www.iceagenow.com/Ice-Age_Maps.htm
There’s a map showing what it looked like 18,000 years ago.
Here is more information about ice conditions in the arctic over the last ten thousand years
http://climateaudit.org/2007/01/05/ellesmere-island-driftwood/
Do we know if the sea ice was permanent or did parts of it melt in summer. Sea level was 120m lowe than today so pressure at sea level must have been higher .
What I am looking for is ice sheet maps from 5,000 to 15,000 years ago. This has nothing to do with sea ice.
http://geoecho.snu.ac.kr/nerc.html
Found this link on the iceagenow site.
If sea ice was permanent wouldn’t it count as part of the ice sheet ?
http://www.climate4you.com/images/PermafrostDistributionIPA%20LARGE.gif
Try this:http://earth.usc.edu/classes/geol150/stott/evolution/images/pleistocene/naicesheets.jpg
No legend, but I take it the numbers mean thousands of years ago.
They also have this:
http://earth.usc.edu/classes/geol150/stott/evolution/images/holocene/ice%20retreat.jpg
Source: http://earth.usc.edu/classes/geol150/stott/evolution/holocene.html
Perfect, thanks.
Try this. http://www.ncdc.noaa.gov/cgi-bin/paleo/peltice.pl It is an Ice Coverage Reconstruction at 1Kyr Intervals interactive map database. The maps are rather crude though, but you can input different periods together and compare ice coverage.
That is great, thanks!
That is cool. 🙂
You will also like this. Animated gif: http://earth.usc.edu/classes/geol150/stott/evolution/images/pleistocene/loopglac.gif
Excellent!
I am happily impressed with the response of your readership!
The best ice coverage maps I have seen are these:
http://www.erudit.org/revue/gpq/1987/v41/n2/032681ar.html
Scroll to the bottom of the article. Very detailed