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Messages - sg_smith

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Early bushfires hit NSW.  Sydney is surrounded by fires.  I was there more than 10 years ago when something similar happen but that was in Feb/March not October.

Meanwhile here in Hobart it is wet and cold still, week after week.  It will get warmer and more settled next week after the Hobart show.  Every one agrees on that, traditionally the show weather is not so good then after the show it immediately improves (:

Antarctica / Re: Antarctic images
« on: October 17, 2013, 11:58:50 PM »
thanks for the image it looks great.

Antarctica / Re: Potential Collapse Scenario for the WAIS
« on: May 31, 2013, 07:35:45 AM »

I  have tried to read all the posts but I have not understood most of them.  Sorry if you have already covered this and I missed it (I am sure you did somewhere) but if the Antarctic started rebounding, volcanoes, already known to exist, and earthquakes etc could help to speed the collapsing ice shelves on their way. 
That would be even more fun (:


Antarctica / Re: Antarctic images
« on: April 11, 2013, 12:04:32 AM »

first ever map of Antarcticas bathomery ("underwater topography")

Antarctica / Re: Antarctic Methane Concentrations
« on: April 07, 2013, 01:22:33 PM »

I have been looking at the temperature anomalies shown on arctic news site on march 22, and  comparing  them  with the methane anomalies.  I think it is interesting that the methane anomalies are coming from and or near the area with the coldest (-10) degrees.  I thought they would be from the warmest areas  :).


Antarctica / Re: Antarctic images
« on: March 30, 2013, 07:34:29 PM »
Hello Abrupt_SLR,

Thanks for the images.  I think this site is really starting to bring the Antarctica to life.


Hello Abrupt_SLR,

Thank you for the time and effort to put these links together.  It will take me some time to go through them :)


Antarctica / Re: Antarctic images
« on: March 20, 2013, 12:01:47 PM »
Hello Vaughn,

Thank you for the article and it has very nice graphics.  The key facts highlighted from the article were very interesting. 

1) volume of ice in Antarctica is 4.6% greater than previously thought.

2) The mean bed depth of Antarctica, at 95 metres, is 60 m lower than estimated.

3) The volume of ice that is grounded with a bed below sea level is 23% greater than originally thought meaning there is a larger volume of ice that is susceptible to rapid melting. The ice that rests just below sea level is vulnerable to warming from ocean currents.

4) The total potential contribution to global sea level rise from Antarctica is 58 metres, similar to previous estimates but a much more accurate measurement.

5) The new deepest point, under Byrd Glacier, is around 400 metres deeper than the previously identified deepest point


Antarctica / Re: Surge of WAIS Ice Mass Loss
« on: March 15, 2013, 01:54:51 AM »
If I am interpreting these images of methane release correctly they show high methane concentrations coming from Wilkes land Area of the Antarctica.  This lies west of Australia, specifically Tasmania.  Since the weather moves from West the East I wonder if this is an indication we will have a warm winter?  It will be interesting to see what happens, so far the far South of Tasmania  has been cooler than the north of Tasmania/Victoria which have been having record number of hot days/nights.  Although to be fair we did have the hottest day ever recorded in Hobart 40.9C (105.6F) on 4 January 2013.

Arctic sea ice / Re: My Ocean Desk - Data Available
« on: March 15, 2013, 01:35:35 AM »
Thanks for putting this up.  It looks great :)

Antarctica / Re: Antarctic images
« on: March 14, 2013, 03:24:52 AM »
nsidc images of Antarctica
from MODIS Antarctic Ice Shelf Image Archive: January 2002 - Present

Antarctica / Re: the (new) bedrock map of antarctica
« on: March 11, 2013, 06:17:22 AM »
Great find!

Hello AbruptSLR,

Thank you for these fascinating posts.  I don't understand alot of the details but your explanations are very clear.  I have been concerned that a lot of effort has been going into researching what is happening in the Arctic but not nearly enough effort is going into looking at the Antarctic.

There are of course many reasons for this including geographical isolation but it is my understanding that much of the climate  and water currents etc is driven by what happens in the Antarctic.  We are in for interesting times ahead.

Cheers SG

Antarctica / Re: Antarctic images
« on: March 05, 2013, 11:37:35 PM »
The attached link id to an ice concentration analysis animation I found at


Antarctica / Antarctic images
« on: March 05, 2013, 11:32:36 PM »

I love the images that are available on the arctic threads, If is alright I would like to start a thread on Antarctic images.  If this is not the correct way to start a new thread please let me know because I am new to this :)

Antarctica / Re: Surge of WAIS Ice Mass Loss
« on: March 04, 2013, 11:13:47 PM »
Thank you for your reply AbrupSLR,

You may be interested to heat about the local weather changes occurring here.  It is getting warmer.
Traditionally, say 100 years ago, Apples were exported from the far south, Port Huon, Cygnet etc.  There are stories for ice being so thick the horses carts could not safely work in the docks and they where unloaded and carried to the ships by men.  This means extremely thick ice and black ice  about March April.

If ice occurred now in March April it would be extremely surprising.  Now It is the end of, usually very dry summer seasons and a peak bush fire season.  This year has been quite bad for bush fires.  No ice yet!


Antarctica / Re: Surge of WAIS Ice Mass Loss
« on: March 03, 2013, 05:24:57 AM »
Dear AbruptSLR,

I am a new comer to this forum, because I live in Tasmania I am particularly interested in what you have  to say about Antarctica.  Do you think there will be noticeable effects on surrounding land masses from these events ? If so what do you think they might be?


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