I do not like thee, Doctor Fell,
The reason why I cannot tell;
But this I know, and know full well,
I do not like thee, Doctor Fell.
Well, what with Fall, et al., and so forth, Eli set about looking up his words of wisdom, and wadda you know, the Bunny did a good job four years ago
Sampling bias is indeed the issue. Pielke's experimental design is clear evidence of card forcing or ignorance. However, let us get beyond that. There is some possibility that over years all of the sites in the US (maybe even including Alaska) will be photographed. Some of these photo's exist, however, as single photos they are useless, because what is measured are changes in average temperature, anomalies, not absolute temperatures, so what is needed is an historical archive of photos, e.g. a continuing series that shows changes at the sites.Oh, and there was something about that engineering level stuff
OTOH, Tom Karl's project seeks to bootstrap information about past and future measurements at a large number of sites by setting up a small, optimal network which can be used as a yardstick to check the larger USHCN and the US CO-OP networks. By implication this is then a check on the Global Networks, AND on the various corrections that have been applied to the raw data.
The bit about engineers always keeping their data available is a sad joke to anyone who has ever had to fix an old piece of equipment that has been orphaned. Get off it.But more interesting is a quote from the body of the post
Now Ho Chi Pielke Sr. is providing reinforcements by getting his irregulars to go out there and take pictures of stations in the Global Historic Climate Network (GHCN). Anthony Watts is setting up a web site for such pictures. The goal, of course is to falsify GISSTEMPThe links to Roger Sr.'s old web site are dead, but it is pretty clear what the goal of the Surface Stations Project were, and who started the ball rolling, moreover the original statement of purpose was (from a comment at RR)
Anonymous said... Which was changed soon after to
If you know anything at all about measuring temperature, you'll see that these sites above don't meet the basic criteria for scientifically valid observations. Yet, the data from these weather stations is part of the USHCN data set and is used by NASA to model climate, the IPCC to publish reports, and your government to make policy decisions.