GISS Data Contradict Mark Serreze’s Claim

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Antarctic Sea Ice is Growing – Because of Global Warming?
By Ed Caryl

Short answer: No. Antarctic sea ice has been growing, especially in the last three years. This has been largely ignored by the AGW crowd because it opposes their narrative. They needed badly to come up with an excuse. A recent article in the Daily Caller, quoted below, was recently discussed in this blog. See here.

A quote from the article: “The primary reason for this is the nature of the circulation of the Southern Ocean —water heated in high southern latitudes is carried equatorward [sic], to be replaced by colder waters upwelling from below, which inhibits ice loss,” Mark Serreze, director of the National Snow and Ice Data Center, told author Harold Ambler in an email. Read more: http://dailycaller.

It is a bit difficult for me to swallow this in light of the temperature trend in the southern ocean:

Ed_1

Figure 1 is the annual temperature trend in the Southern Ocean according to GISS.

It is also opposite the well understood thermohaline current flows in both the Arctic and Antarctic, where warm currents flow from the equator to the poles, is cooled, surface evaporation increases salinity, and the cold, dense, more saline water sinks, to rise again closer to the equator. The southern ocean is getting colder, not warmer, opposite to the trend stated above.

Ed_2

Figure 2 is the Southern Hemisphere sea ice anomaly inverted to match the temperature curve.

Note how closely these curves match, even though one is annual average data and the other is daily ice anomaly. Just how is it that this high southern latitude supposed heated water is getting colder, not warmer. I’m sorry, but my credulity doesn’t stretch this far.

 

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4 responses to “GISS Data Contradict Mark Serreze’s Claim”

  1. Don B

    SH sea ice is increasing, and the southern ocean sea surface temperature has been cooling. There may be a connection. 🙂

    https://bobtisdale.files.wordpress.com/2014/06/14-southern-ssta.png

  2. Green Sand

    NOAA Reynolds sea surface temperature anomalies (rel to 1971-2000) around Antarctica ( 60 to 70S, -180 to 180) for the last decade:-

    http://nomad1.ncep.noaa.gov/cgi-bin/pdisp_sst.sh?ctlfile=monoiv2.ctl&ptype=ts&var=ssta&level=1&op1=none&op2=none&month=jan&year=2004&fmonth=jun&fyear=2014&lat0=-70&lat1=-60&lon0=-180&lon1=180&plotsize=800×600&title=&dir=

    It’s cool down there and has been for most of the last decade. Step change 2006/7?

  3. Crowbar

    They need to build a couple of big cities down there with lots of suitably-sited weather stations so they can get some UHI effect to warm that temperature decline. Then they can “average” those stations out over the whole of Antarctica to show an alarming warming trend. Then we might believe them (not).

    The excuses are becoming more farcical…

  4. Kuhnat

    Crowbar,

    Eric Steig already tried that using the warmer peninsula and western area.

    http://www.realclimate.org/index.php/archives/2012/12/the-heat-is-on-in-west-antarctica/

    Some sceptics including Jeff Id at the AirVent dismembered the junk statistics and poor data:

    http://www.sott.net/article/185667-Antarctic-warming-Steig-et-al-falsified

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