For discussion of new study. by Steig (Mann) et al 2009.
Data sets used in this study include the READER and AWS data from the British Antarctic Survey. SI Tables 1 and 2 provide listings. They leave out station identifications (a practice that “peer” reviewers, even at Nature, should condemn).
Matches to information at the BAS are complicated by Mannian spelling errors and pointless scribal variations (things like D_10 vs D10, which can be matched manually, but why are the variations there in the first place??)
Anyway, I’ve made collations of the station information in an organized way and collated station and AWS into organized time series (downloaded today) and archived these versions at CA for reader reference. You can download them as follows:
If for some absurd reason, you want to analyze them in Fortran or machine language or Excel, you can easily write these things out into ASCII files using R and I’d urge you to learn enough R to do that.
There are references to thermal IR satellite data associated with Comiso. There is a citation to snail literature, but no digital citation. I’ve been unable to locate a monthly digital version of this data – maybe some readers can locate it.
I haven’t been able to locate any gridded output data from the Mannian RegEM analysis. For the PNAS article, Mann et al made a pretty decent effort to archive code and intermediates, but, for the present study, it’s back to the bad old days. No code, no intermediates, not even any gridded output that I can locate.
[Update Jan 23 - Steig says that data will be online next week.]
Here’s an interesting little plot from the collation of surface and AWS data. For some reason, there seems to be a sharp decline in AWS counts at the start of 2003 – from 35 at the end of 2002 to 9 at the start of 2003. It seems implausible that this is real though I am not familiar with the data and perhaps it is. Maybe it’s an Antarctic version of GHCN not collecting non-MCDW station data after 1990?
Nature 457, 459-462 (22 January 2008) | doi:10.1038/nature07669; Received 14 January 2008; Accepted 1 December 2008.
Eric J. Steig1, David P. Schneider2, Scott D. Rutherford3, Michael E. Mann4, Josefino C. Comiso5 & Drew T. Shindell6
Full text (pdf): http://thingsbreak.files.wordpress.com/2009/01/steigetalnature09.pdf