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{{main|Global warming hiatus}}
{{main|Global warming hiatus}}


Karl was the lead on a study on the existence of this supposed hiatus in global warming. In their report published in June 2015 based on the updated [[NOAA]] dataset they found no indication of a slowdown even in the previous years.<ref name="NCDC_NOAA">{{cite web | url=https://www.ncdc.noaa.gov/news/recent-global-surface-warming-hiatus | title=The Recent Global Surface Warming Hiatus | publisher=NOAA | date=4 June 2015 | accessdate=14 March 2016}}</ref><ref name="NPR-doubt">{{cite news | url=http://www.npr.org/2015/06/04/411998275/scientists-cast-doubt-on-an-apparent-hiatus-in-global-warming | title=Scientists Cast Doubt On An Apparent 'Hiatus' In Global Warming | work=National Public Radio | date=2015-06-04 | accessdate=June 13, 2015}}</ref><ref name="Guardian-NoHiatus">{{cite news | url=http://www.theguardian.com/environment/2015/jun/04/global-warming-hasnt-paused-study-finds | title=Global warming 'pause' didn't happen, study finds | work=The Guardian | date=2015-06-04 | accessdate=June 13, 2015}}</ref> This analysis incorporated the latest [[Homogenization (climate)|homogenization]] corrections for known biases in ocean temperature measurements, and new land temperature data.<ref name="Ars homogenization" /> 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.<ref name="BBC-valid">{{cite news | url=http://www.bbc.co.uk/news/science-environment-33006179 | title=US scientists: Global warming pause 'no longer valid' | work=BBC News | date=2015-06-04 | accessdate=June 13, 2015}}</ref>
Karl was the lead on a study on the existence of this supposed hiatus in global warming. In their report published in the [[American Association for the Advancement of Science]] (AAAS) ''Science'' journal in June 2015—based on the updated [[NOAA]] dataset— they found no indication of a slowdown even in the previous years.<ref name="Science_AAAS_2015">{{cite journal | title=Possible artifacts of data biases in the recent global surface warming hiatus | author6=Menne, Matthew J. | author7=Peterson, Thomas C. | author8=Vose, Russell S. | author9=Zhang, Huai-Min | journal=Science | year=2015 | month=June | volume=348 | issue=6242 | doi=10.1126/science.aaa5632 | author1=Karl, Thomas R. | author2=Arguez, Anthony | author3=Huang, Boyin | author4=Lawrimore, Jay H. | author5=McMahon, James R.}}[[American Association for the Advancement of Science]] (AAAS)</ref>
<ref name="NCDC_NOAA">{{cite web | url=https://www.ncdc.noaa.gov/news/recent-global-surface-warming-hiatus | title=The Recent Global Surface Warming Hiatus | publisher=NOAA | date=4 June 2015 | accessdate=14 March 2016}}</ref><ref name="NPR-doubt">{{cite news | url=http://www.npr.org/2015/06/04/411998275/scientists-cast-doubt-on-an-apparent-hiatus-in-global-warming | title=Scientists Cast Doubt On An Apparent 'Hiatus' In Global Warming | work=National Public Radio | date=2015-06-04 | accessdate=June 13, 2015}}</ref><ref name="Guardian-NoHiatus">{{cite news | url=http://www.theguardian.com/environment/2015/jun/04/global-warming-hasnt-paused-study-finds | title=Global warming 'pause' didn't happen, study finds | work=The Guardian | date=2015-06-04 | accessdate=June 13, 2015}}</ref> This analysis incorporated the latest [[Homogenization (climate)|homogenization]] corrections for known biases in ocean temperature measurements, and new land temperature data."Ars homogenization" 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.<ref name="BBC-valid">{{cite news | url=http://www.bbc.co.uk/news/science-environment-33006179 | title=US scientists: Global warming pause 'no longer valid' | work=BBC News | date=2015-06-04 | accessdate=June 13, 2015}}</ref>


== Awards ==
== Awards ==

Revision as of 00:35, 15 March 2016

Thomas R. Karl (Born 22 November 1951, Evergreen Park, Illinois) is the director of the National Oceanic and Atmospheric Administration’s National Centers for Environmental Information (NCEI).[1]

Opinions

Karl wrote:

Internationally, the Intergovernmental Panel on Climate Change (IPCC), under the auspices of the United Nations (UN), World Meteorological Organization (WMO), and the United Nations Environment Program (UNEP), is the most senior and authoritative body providing scientific advice to global policy makers. [1].

Global warming hiatus debate

Main article: Global warming hiatus

Karl was the lead on a study on the existence of this supposed hiatus in global warming. In their report published in the American Association for the Advancement of Science (AAAS) Science journal in June 2015—based on the updated NOAA dataset— they found no indication of a slowdown even in the previous years.[2]

[3][4][5] This analysis incorporated the latest homogenization corrections for known biases in ocean temperature measurements, and new land temperature data."Ars homogenization" 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.[6]

Awards

Service

  • Editor Journal of Climate
  • Associate Editor Climatic Change
  • National Research Council
  • Climate Research Committee (1991–present)
  • Panel on EOSDIS (1992–94)
  • Panel on Policy Implications of Greenhouse Warming (1990–1992)
  • Intergovernmental Panel on Climate Change: Lead Author 1995, 1992, 1990
  • Public Affairs: Numerous news media interviews, testimony to U.S. Congress and briefings to cabinet-level officials and Vice President of the US.

Papers

  • Karl, T.R., R.W. Knight, and B. Baker. 2000. The record breaking global temperatures of 1997 and 1998: Evidence for an increase in the rate of global warming. Geophysical Research Letters 27(March 1):719-722. (press release)

References

  1. ^ "NESDIS Organizational Chart as of 02/ 19/ 15". NOAA. February 19, 2015. Retrieved August 20, 2015.
  2. ^ Karl, Thomas R.; Arguez, Anthony; Huang, Boyin; Lawrimore, Jay H.; McMahon, James R.; Menne, Matthew J.; Peterson, Thomas C.; Vose, Russell S.; Zhang, Huai-Min (2015). "Possible artifacts of data biases in the recent global surface warming hiatus". Science. 348 (6242). doi:10.1126/science.aaa5632. {{cite journal}}: Unknown parameter |month= ignored (help)American Association for the Advancement of Science (AAAS)
  3. ^ "The Recent Global Surface Warming Hiatus". NOAA. 4 June 2015. Retrieved 14 March 2016.
  4. ^ "Scientists Cast Doubt On An Apparent 'Hiatus' In Global Warming". National Public Radio. 2015-06-04. Retrieved June 13, 2015.
  5. ^ "Global warming 'pause' didn't happen, study finds". The Guardian. 2015-06-04. Retrieved June 13, 2015.
  6. ^ "US scientists: Global warming pause 'no longer valid'". BBC News. 2015-06-04. Retrieved June 13, 2015.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=Thomas_R._Karl&oldid=710106656"