Matches in DBpedia 2016-04 for { ?s ?p "A global warming hiatus, also sometimes referred to as a global warming pause or a global warming slowdown, is a period of relatively little change in globally averaged surface temperatures. In the current episode of global warming many such periods are evident in the surface temperature record, along with robust evidence of the long term warming trend.Publicity had been given to claims of a global warming hiatus during the period 1998-2013. The exceptionally warm El Niño year of 1998 was an outlier from the continuing temperature trend, and so gave the appearance of a hiatus: by January 2006 assertions had been made that this showed that global warming had stopped. A 2009 study showed that decades without warming were not exceptional, and in 2011 a study showed that if allowances were made for known variability, the rising temperature trend continued unabated. There was increased public interest in 2013 in the run-up to publication of the IPCC Fifth Assessment Report, and despite concerns that a 15-year period was too short to determine a meaningful trend, the IPCC included a section on a hiatus, which it defined as a much smaller increasing linear trend over the 15 years from 1998 to 2012, than over the 60 years from 1951 to 2012. Various studies examined possible causes of the short term slowdown. Even though the overall climate system had continued to accumulate energy due to Earth's positive energy budget, the available temperature readings at the earth's surface indicated slower rates of increase in surface warming than in the prior decade. Since measurements at the top of the atmosphere show that Earth is receiving more energy than it is radiating back into space, the retained energy should be producing warming in at least one of the five parts of Earth's climate system.A July 2015 paper by a team led by Thomas R. Karl on the updated NOAA dataset cast doubt on the existence of this supposed hiatus, and found no indication of a slowdown even in the previous years. This analysis incorporated the latest homogenization corrections for known biases in ocean temperature measurements, and new land temperature data. Scientists working on other datasets welcomed this study, though the view was expressed at the time that the short term warming trend had been slower than in previous periods of the same length. A review of scientific literature by Bristol University in November 2015 found \"no substantive evidence\" of a pause in global warming. A detailed 2016 study by a group of scientists did not dispute the Karl et al. finding that long term warming had continued, but found there had been less warming between 2001 and 2010 than climate models had predicted, and thought that this slowdown could be attributed to short term variations in the Pacific decadal oscillation (PDO) which was negative during that period. It had last been neutral between 1971 and 2000 when temperatures increased due to human cause. The slowdown had now ended, and there had been record temperatures in 2014 and 2015.Independent of these discussions about data and measurements for earlier years, 2015 turned out to be much warmer than any of the earlier years, already before El Niño conditions started. The warmth of 2015 largely ended any remaining scientific credibility of claims that the supposed \"hiatus\" since 1998 had any significance for the long term warming trend."@en }
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- Global_warming_hiatus abstract "A global warming hiatus, also sometimes referred to as a global warming pause or a global warming slowdown, is a period of relatively little change in globally averaged surface temperatures. In the current episode of global warming many such periods are evident in the surface temperature record, along with robust evidence of the long term warming trend.Publicity had been given to claims of a global warming hiatus during the period 1998-2013. The exceptionally warm El Niño year of 1998 was an outlier from the continuing temperature trend, and so gave the appearance of a hiatus: by January 2006 assertions had been made that this showed that global warming had stopped. A 2009 study showed that decades without warming were not exceptional, and in 2011 a study showed that if allowances were made for known variability, the rising temperature trend continued unabated. There was increased public interest in 2013 in the run-up to publication of the IPCC Fifth Assessment Report, and despite concerns that a 15-year period was too short to determine a meaningful trend, the IPCC included a section on a hiatus, which it defined as a much smaller increasing linear trend over the 15 years from 1998 to 2012, than over the 60 years from 1951 to 2012. Various studies examined possible causes of the short term slowdown. Even though the overall climate system had continued to accumulate energy due to Earth's positive energy budget, the available temperature readings at the earth's surface indicated slower rates of increase in surface warming than in the prior decade. Since measurements at the top of the atmosphere show that Earth is receiving more energy than it is radiating back into space, the retained energy should be producing warming in at least one of the five parts of Earth's climate system.A July 2015 paper by a team led by Thomas R. Karl on the updated NOAA dataset cast doubt on the existence of this supposed hiatus, and found no indication of a slowdown even in the previous years. This analysis incorporated the latest homogenization corrections for known biases in ocean temperature measurements, and new land temperature data. Scientists working on other datasets welcomed this study, though the view was expressed at the time that the short term warming trend had been slower than in previous periods of the same length. A review of scientific literature by Bristol University in November 2015 found \"no substantive evidence\" of a pause in global warming. A detailed 2016 study by a group of scientists did not dispute the Karl et al. finding that long term warming had continued, but found there had been less warming between 2001 and 2010 than climate models had predicted, and thought that this slowdown could be attributed to short term variations in the Pacific decadal oscillation (PDO) which was negative during that period. It had last been neutral between 1971 and 2000 when temperatures increased due to human cause. The slowdown had now ended, and there had been record temperatures in 2014 and 2015.Independent of these discussions about data and measurements for earlier years, 2015 turned out to be much warmer than any of the earlier years, already before El Niño conditions started. The warmth of 2015 largely ended any remaining scientific credibility of claims that the supposed \"hiatus\" since 1998 had any significance for the long term warming trend.".