Both sets correspond well so the principle seems to be valid for Auckland AA and AP.

I think you are right Doug. If the ocean gives up heat, it has to pass through the atmosphere in order to dissipate to space. The effect of that heat on the temperature of the air is far greater than the effect it had on the temperature of the ocean.

So although the ocean might be cooling, air temps will continue to stay up for some time until all the heat that the ocean gives up has passed through the atmosphere.

There’s a heat-wave in WA Australia right now and if you look at the SST anomaly, there’s an ocean hot spot directly off the coast of WA. The heat-wave heat has to come from somewhere, I suggest that a large amount has been given up by the ocean and is being blown across the land as you suggest.

http://weather.unisys.com/surface/sst_anom.gif

I can say this with certainty as the American contiguous landmass does not show the warming of the globe. Neither does the oceanic subdivision as the SST and, more recently, the ARGO data have lesser trends than the GISTemp. Also, the GISTemp records are similar in trend but different in amount to the UAH and RSS satellite records. Same goes for HadCruT.

Breaking out these different databases appears to me to show that the land records in northern Canada and Europe have a far larger high-low range than predicted/projected by AGW theory. The thermal inertia of the oceans, being greater than that of the land or air, means that the small change in the SST data MUST be couinteracted by a very large change in the land data for the average to be what GISTemp shows it to be. At the same time all global maps for any given year show large areas that are cooler than the reference average. Other areas must be abnormally warm for the average to survive as stated.

What would happen to the global average if, for instance, the Arctic were to be removed from the databases? If, without a regional hotspot, we had minimal “global” heating, one would suspect that the regional hotspot area, not the globe, was undergoing change. If the hotspot moved around too much, one would suspect heat transference distorting the appearance.

As has been noted by many, the heat energy in a gram of water is larger than that of air. The oceans are 70.1% of the area of Earth. Should the energy in a 0.1K temperature drop in an ocean be transfered to winds moving over lands, a high cumulative energy transference will occur. Will this distort the temperature records to make us think the world is warming? I’d say so.

“it is a simple matter in principle4 to adjust temperatures from one site to the same base level as at another site”

4 says this

“It would be almost as simple in practice too, were it not for missing data.”

So NIWA’s method is based on “a simple matter in principle” – not on an empirical scientific study that proves the “principle”, note.

http://www.bishop-hill.net/blog/2011/2/27/muller-in-the-guardian.html

Year_Raw_Adj_Diff

1991 12.15 12.74 0.59
1992 11.2 11.75 0.55
1993 11.4 11.94 0.54
1994 12.4 12.97 0.57
1995 12.7 13.27 0.57
1996 12.3 12.88 0.58
1997 11.9 12.48 0.58
1998 13.5 14.08 0.58
1999 13.1 13.63 0.53
2000 12.5 13.02 0.52
2001 12.7 13.32 0.62
2002 12.5 13.02 0.52
2003 12.5 13.09 0.59
2004 12.3 12.88 0.58
2005 13.0 13.58 0.58
2006 12.4 12.96 0.56
2007 12.6 13.19 0.59
2008 12.9 13.45 0.55

So within the same Masterton location, the original site was (and hopefully still is) on average 0.55 C warmer than the latest open site using NIWA’s cumulative step change method (not taking into account any warming 1919-1991).

The adjustment could be checked with a temporary station at Workshop Rd to take a years data. The two sites are separated by approx 8 km.

So every year on average, the temperatures at Albert Park are 0.62 C warmer than Mangere treatment plant if we accept NIWA’s cumulative step change method for the NZT7.

Believe it or not.

CCG regulars will be used to seeing the early NZT7 data adjusted down, but what happens when the reference is swapped from the 2010 end to the 1910 end?

This is what happens to the Auckland series

_______Raw___Adjusted
2002 15.4 16.05
2003 15.5 16.09
2004 14.9 15.55
2005 16.1 16.69
2006 15.3 15.91
2007 15.6 16.26
2008 15.7 16.33
2009 15.1 15.76

These raw temperatures were measured at Mangere treatment plant but are adjusted to be in terms of Albert Park by reversing the sign of NIWA’s cumulative step change total and adding it to the entire series..

The adjusted temperatures could be checked by setting up a temporary station at the same spot as the original Albert Park station and taking a years measurements. The same could be done where sensible for every other location of the NZT7.