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Wednesday, 10 June 2015

The term 'hiatus' is something I really dislike because it has been seized by climate change deniers who reject science as 'proof' global warming is not real without bothering to discuss what was meant by a hiatus. Global warming clearly continued with 9 of the top 10 and 15 of the top 20 hottest years ever recorded occurring since the year 2000. It is impossible for this to have occurred randomly. It has had to occur for a reason. Also, the data being discussed was the surface temperature and did not include the 93% of the warming, which takes place in the oceans. So, no, global warming didn't stop. However, it is true the data showed a slowing of the surface temperature rise. This has been the subject of a lot of research. The Pacific Ocean has been believed to be the place where most of this warming was going but it was difficult to identify exactly where. Recent research has indicated it has been moving from the Pacific to the Indian Ocean. As the Pacific Ocean warmed, currents and easterly winds pushed the warm water to the west and into the Indian Ocean. Seventy percent of the heat absorbed by the oceans over the last decade appears to be stored in the Indian Ocean.

Now, as has been widely reported, scientists at NOAA have examined the historical data and have determined the so-called hiatus never occurred.Their paper, appearing in the journal Science, states "There is no discernible ... decrease in the rate of warming between the second half of the 20th century and the first 15 years of the 21st century."

The problem has been biases in the data.You don't just collect data from some instrument and run with it. You have to calibrate an instrument to determine exactly what it is measuring. Then the data must be examined to ensure the instrument continues to work the same over time. Additionally, you have to take into account where you have data and where you don't. In the case of climate science, you want to take into account the fact we have lots of data from the land surfaces, but not the oceans. These are just a few of the issues with data. The NOAA scientists have discovered when you take all of this into account the 'hiatus' disappears. Surface warming has continued at the rate of about two-tenths of a degree Fahrenheit per decade (about .1 degree C per decade) since the 1950s.  Take a look:
Source: NOAA
It is encouraging the source for the perceived slowdown has been determined - it apparently never happened. However, we need to keep in mind this is the first report and it has to be validated by other scientists. Strangely enough, the paid fossil fuel shills are the first to provide validation of these results. Who, but the most-biased new organization of all, Fox News, would be in a rush to report that the results are being questioned by "climate scientists." Just take a look at who they quote as questioning these results - Roy Spencer, Judith Curry, John Christy - all former scientists that have rejected science in favor of taking money from the fossil fuel industry. Some of these people have been caught falsifying data on multiple occasions and producing fraudulent results that had to be retracted.

So, how does this qualify as validating the results? Very simple. It will take real scientists months to years to examine this paper and attempt to duplicate the results. All of these former scientists rushed out and criticized the results after a mere week. But, there is no possible way for them to have determined if the results are valid or not. The only explanation for their rushed criticisms is that the denier lobby is concerned with this paper. And, if they are concerned, that indicates the results are very persuasive.This is a true indicator the results are valid.

You have to wonder, why are the deniers in such a rush to try and discredit the paper? Probably because they know it proves their denier claims are not valid.  So, they have no choice but to rush to the attack, even though it is not possible for them to have examined the results.

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