Not exact matches
This also does not appear to be the case,
with the same phenomenon appearing in the seasonally
unadjusted data.
A comparison of HadSST2
with the NCDC temperature
data, and of the
unadjusted HadSST3 (i.e. without the new bias corrections)
with NCDC using only common coverage ocean cells is shown in right panel of Figure 2.
Seven stations were added to the
unadjusted database during that time - period
with each having one month of
data for the year.
Input
data for the analysis, collected by many national meteorological services around the world, is the
unadjusted data of the Global Historical Climatology Network (Peterson and Vose, 1997 and 1998) except that the USHCN station records up to 1999 were replaced by a version of USHCN
data with further corrections after an adjustment computed by comparing the common 1990 - 1999 period of the two
data sets.
The problem
with global temperature record graphs — even if one is able to obtain an
unadjusted record going back 100 + years; is that one is not comparing the same station
data from the past compared to the present.
This is
unadjusted data, Berkeley
data but
with NO scalpel applied to cut stations
with discontinuites.
Unlike the
unadjusted and TOB
data, the adjusted
data is serially complete,
with missing monthly averages estimated through the use of
data from neighboring stations.
As to the question about documentation, the basic «GISS Surface Temperature Analysis» page starts
with a «Background» section whose first paragraph contains the sentence: «Input
data for the analysis,..., is the
unadjusted data of GHCN, except that the USHCN station records were replaced by a later corrected version».
With respect to Church et al 2008, you're neglecting to mention (or perhaps didn't read enough of the paper to notice) is that, unlike you're «eyeballing» method, they actually adjusted tidal gauges for changes in local land elevation before drawing any conclusions from
unadjusted data.
Analysing the mean summer maximum temperature differences between Bourke and Charleville, the
unadjusted data (Figure 5) indicates that Bourke was, on average, about 2 °C warmer prior to Stevenson screen installation in 1908 than it was in the years following that,
with wide year - to - year variations.
The SEARCH dataset assessed that the Bourke
data for January maximum temperatures differed from that obtained by modern practices by some 3.5 °C and the unadjusted observations (with thirteen consecutive days above 45 °C, available via Climate Data Online) erroneously exaggerate the severity of the ev
data for January maximum temperatures differed from that obtained by modern practices by some 3.5 °C and the
unadjusted observations (
with thirteen consecutive days above 45 °C, available via Climate
Data Online) erroneously exaggerate the severity of the ev
Data Online) erroneously exaggerate the severity of the event.
Yes — the Bureau provides the public
with raw,
unadjusted temperature
data for each station or site in the national climate database, as well as adjusted temperature
data for 112 locations across Australia.
Specifically, people seem to want to be able to compare land - based temperature trends
with global, probably in an attempt to identify
unadjusted urban heat contamination of the
data.