Ajax wrote on Jul 24
th, 2013 at 1:31pm:
There hasn't been any warming since 1998.
No - there has been clear and unambiguous warming of the earth since 1998.
THis can be seen in, amongst other things, the warming of the oceans:
Accounting for multiple sources of uncertainty, a composite of several OHCA curves using different XBT bias corrections still yields a statistically significant linear warming trend for 1993–2008 of 0.64 W m-2 (calculated for the Earth’s entire surface area), with a 90-per-cent confidence interval of 0.53–0.75 W m-2.http://www.nature.com/nature/journal/v465/n7296/pdf/nature09043.pdf- the decrease in global glacial mass balance:
The average mass balance of the glaciers with available long-term observation series around the world continues to be negative, with tentative figures indicating a further thickness reduction of 0.83 metres water equivalent (m w.e.) during the hydrological year 2010. The new data continues the global trend in strong ice loss over the past few decades and brings the cumulative average thickness loss of the reference glaciers since 1980 at about 15 m w.e.http://www.geo.uzh.ch/microsite/wgms/mbb/sum10.html- the decrease in the arctic ice cap:
Compared to the 1981 to 2010 average, ice extent on July 15, 2013 was 1.06 million square kilometers (409,000 square miles) below average.
http://nsidc.org/arcticseaicenews/- the increase in sea level:
High quality measurements of (near)-global sea level have been made since late 1992 by satellite altimeters, in particular, TOPEX/Poseidon (launched August, 1992), Jason-1 (launched December, 2001) and Jason-2 (launched June, 2008). This data has shown a more-or-less steady increase in Global Mean Sea Level (GMSL) of around 3.2 ± 0.4 mm/year over that period.http://www.cmar.csiro.au/sealevel/sl_hist_last_15.htmlAjax wrote on Jul 24
th, 2013 at 1:31pm:
Even the IPCC aknowledge this.
Don't tell silly lies.
The IPCC does not acknowledge that there hasn't been any warming since 1998.
If you think it does - please show us a reference confirming this.
Ajax wrote on Jul 24
th, 2013 at 1:31pm:
And that hockey stick graph inconvienetly has ommited the medival warm period.
No - the error bars on that graph quite clearly indicates that a range of temperature anomalies may have occurred in the medieval period.