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Temperature Records

Temperature Records
U.S. Temperature Record 1880-2000

U.S. Temperature Record 1880-2000

U.S. Temperature Record 1880-2000 http://earthobservatory.nasa.gov/Features/GlobalWarm1999/Images/1999_fig3.gif Source NASA Earth Observatory

U.S. Temperature Record 1880-2000 - Read More…

NASA GISS 2008 Global Mean Temperature

NASA GISS 2008 Global Mean Temperature

NASA GISS 2008 Global Mean Temperature http://data.giss.nasa.gov/gistemp/2008/

NASA GISS 2008 Global Mean Temperature - Read More…

Climax GCR counts & aa-index

Climax GCR counts & aa-index

GCR counts from Climax (red) and the aa-index (blue). The straight lines show the best linear-fit against time estimated through linear regression. The GCR measurements are shown in solid black line, from which a trend of -180 +/- 253 counts/decade is estimated, and this is associated with a p-value (the probability of this being different to the null-hypothesis: zero trend) of 0.477 (not statistically significant at the 5% level). The aa-index is represented by the blue line, and the corresponding trend of 1.5 +/- 0.4/decade is associated with a p-value of 0.0002 (highly statistically significant). A regression analysis points to a clear link between GCR and the aa-index, and the analysis of variance yields R2 = 0.1466 and the p-value= 0. The yellow line shows the global mean temperature from CRU for comparison. [Data source: http://ulysses.uchicago.edu/NeutronMonitor/neutron_mon.html" , "http://www.cru.uea.ac.uk/cru/data/temperature/" and "ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA'].

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2008 Global Land Ocean Temperature Index

2008 Global Land Ocean Temperature Index

NASA GISS 2008 Global Land Ocean Temperature Index - Shows the global average temperature increase/rise since 1880-2008 Source: http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.lrg.gif

2008 Global Land Ocean Temperature Index - Read More…

Holocene Temperature Variations

Holocene Temperature Variations

Holocene Temperature model runs http://www.globalwarmingart.com/wiki/Image:Holocene_Temperature_Variations_Rev_png --- http://www.globalwarmingart.com/wiki/Image:Holocene_Temperature_Variations_Rev_png#Data_Sources

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IPCC AR4

IPCC AR4

IPCC AR4 individual realizations (20C3M+SRES A1B) Source: http://www.realclimate.org/index.php/archives/2009/05/moncktons-deliberate-manipulation/

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HADCRUT3 1998-2008

HADCRUT3 1998-2008

This image shows cooling since 1998. But this is short term variability, not long term climate. Source: http://www.woodfortrees.org/plot/hadcrut3vgl/from:1998/to:2008/plot/hadcrut3vgl/from:1998/trend

HADCRUT3 1998-2008 - Read More…

HADCRUT3 1999-2009

HADCRUT3 1999-2009

This image shows warming since 1999. But this is short term variability, not long term climate. Source: http://www.woodfortrees.org/plot/hadcrut3vgl/from:1999/plot/hadcrut3vgl/from:1999/trend

HADCRUT3 1999-2009 - Read More…

HADCRUT3 1880-2009

HADCRUT3 1880-2009

This image shows warming since 1880. This is long term climate trend. Source: http://www.woodfortrees.org/plot/hadcrut3vgl/from:1880/plot/hadcrut3vgl/from:1880/trend

HADCRUT3 1880-2009 - Read More…

IPCC Temperature Reconstruction AR4 WG1

IPCC Temperature Reconstruction AR4 WG1

Figure 6.10. Records of NH temperature variation during the last 1.3 kyr. (a) Annual mean instrumental temperature records, identifi ed in Table 6.1. (b) Reconstructions using multiple climate proxy records, identifi ed in Table 6.1, including three records (JBB..1998, MBH..1999 and BOS..2001) shown in the TAR, and the HadCRUT2v instrumental temperature record in black. (c) Overlap of the published multi-decadal time scale uncertainty ranges of all temperature reconstructions identifi ed in Table 6.1 (except for RMO..2005 and PS2004), with temperatures within ±1 standard error (SE) of a reconstruction ‘scoring’ 10%, and regions within the 5 to 95% range ‘scoring’ 5% (the maximum 100% is obtained only for temperatures that fall within ±1 SE of all 10 reconstructions). The HadCRUT2v instrumental temperature record is shown in black. All series have been smoothed with a Gaussian-weighted fi lter to remove fluctuations on time scales less than 30 years; smoothed values are obtained up to both ends of each record by extending the records with the mean of the adjacent existing values. All temperatures represent anomalies (°C) from the 1961 to 1990 mean. Source: http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_wg1_report_the_physical_science_basis.htm PDF link: http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-chapter6.pdf

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Annual Mean Temperature Change for Hemispheres

Annual Mean Temperature Change for Hemispheres

Annual and five-year running mean temperature changes for the northern (red) and southern (blue) hemispheres. Chart illustrates the probable effect of localized industrial albedo effect in northern hemisphere between end of WWII and the Montreal Protocol. Source: http://data.giss.nasa.gov/gistemp/graphs/ Image: http://data.giss.nasa.gov/gistemp/graphs/Fig.A3.lrg.gif

Annual Mean Temperature Change for Hemispheres - Read More…

Comparison of CRUTEM3v Data with Raw Station Data

Comparison of CRUTEM3v Data with Raw Station Data

Comparison of CRUTEM3v data with raw station data taken from World Monthly Surface Station Climatology. On the left are the mean temperature anomalies from each pair of randomly chosen times series. On the right are the distribution of trends in those time series and their means and standard errors. (The standard error provides an estimate of how well the sampling of ~30 stations represents the full global data set assuming a Gaussian distribution.) Note that not all the trends are for identical time periods, since not all data sets are the same length. Source: http://www.realclimate.org/index.php/archives/2009/12/are-the-cru-data-suspect-an-objective-assessment/

Comparison of CRUTEM3v Data with Raw Station Data - Read More…

1880-2008 Five-Year Average Global Temperature Anomalies

1880-2008 Five-Year Average Global Temperature Anomalies

Each year, scientists at NASA Goddard Institute for Space Studies analyze global temperature data. A rapid warming trend has occurred over the past 30 years. Calendar year 2008 was the coolest year since 2000, according to the Goddard Institute for Space Studies analysis of surface air temperature measurements. In this analysis, 2008 is the ninth warmest year in the period of instrumental measurements, which extends back to 1880. 2005 is the hottest year on record, and 2007 is tied with 1998 for second place. The Earth is experiencing the warmest level of the current interglacial period, or interval between ice ages, which has lasted nearly 12,000 years. This color-coded map displays a long term progression of changing global surface temperatures, from 1880 to 2008. Dark red indicates the greatest warming and dark blue indicates the greatest cooling.

1880-2008 Five-Year Average Global Temperature Anomalies - Read More…

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