«What our study shows is that observed water vapor concentrations are high enough and temperatures are low enough over the U.S. in summertime to initiate the chemistry that is known to lead to ozone losses,» said Harvard
atmospheric scientist David Wilmouth, one of the paper's co-authors, in an email.
Not exact matches
The study shows, with 90 percent confidence, that such extreme summers in Australia are five times more likely due to an increase in greenhouse gases, said paper co-author
David Karoly, an
atmospheric scientist at the University of Melbourne and the Australian Research Council Center of Excellence for Climate System Science.
When at sea, we were treated to some 25 sessions with a diverse faculty, including Larry Cahill, neurobiologist at the University of California, Irvine; Robert Fovell,
atmospheric and oceanic
scientist at U.C.L.A.; James Gillies, head of communications at CERN; Peter Smith, professor emeritus of planetary sciences at the University of Arizona; and
David Stevenson, planetary
scientist at the California Institute of Technology.
David Fahey, an
atmospheric scientist at the National Oceanic and
Atmospheric Administration in Boulder, Colorado, said that the researchers will need to do additional analyses to reduce the «significant uncertainties associated with the role of black carbon in the climate.»
But the chilling effect of minor eruptions has been hotly debated, says
David Ridley, an
atmospheric scientist at the Massachusetts Institute of Technology in Cambridge.
Australian climate
scientist David Karoly, professor of
atmospheric science at the University of Melbourne and a review editor of the Intergovernmental Panel on Climate Change's fifth assessment report, said he did not believe uncertainty was underplayed in the IPCC assessments.
The standard logbook entries made at the time contain no information about how the measurements were taken, so the cause was overlooked, says
David Thompson, first author on the paper and an
atmospheric scientist at Colorado State University in Fort Collins.
«Changes in the atmosphere, specifically
atmospheric pressure around the world, and the motions of the winds that may be related to such climate signals as El Niño are strong enough that their effect is observed in the Earth's rotation signal,» said
David A. Salstein, an
atmospheric scientist from
Atmospheric and Environmental Research, Inc., of Lexington, Mass., who led a recent study.
• Philip Adams, broadcaster • Kirstie Albion, CEO, Australian Youth Climate Coalition • Paul Barratt, former head, Defence Dept • Professor Judy Brett, historian • Dr Stephen Bygrave, CEO, Beyond Zero Emissions • Geoff Cousins AM, President, Australian Conservation Foundation • Mary Crooks, CEO, The Victorian Women's Trust • Professor Peter Doherty, Nobel Laureate for Medicine • Ian Dunlop, former chair, Australian Coal Association • Professor Tim Flannery, palaeontologist • John Hewson, businessman and former Opposition leader • Professor Ove Hoegh - Guldberg, marine
scientist • Professor
David Karoly,
atmospheric scientist • Professor Carmen Lawrence, former Western Australia premier • Dr Colin Long, Victorian Sec., National Tertiary Education Union • Professor Robert Manne, political
scientist • Bill McKibben, author and co-founder, 350.org • Christine Milne, Global Greens Ambassador • Paul Oosting, CEO, GetUp •
David Ritter, CEO, Greenpeace Australia • Professor Peter Singer, moral philosopher • Professor Fiona Stanley, epidemiologist • Dr John (Charlie) Veron, pioneer coral researcher • Mark Wakeham, CEO, Environment Victoria
Included are responses from
David Deming, University of Oklahoma; Hans Schreudet; James A. Peden,
atmospheric physicist; Dr. Brian G. Valentine, U.S. Department of Energy; Michael R. Fox, Ph.D., retired nuclear
scientist; and several others.
The standard logbook entries made at the time contain no information about how the measurements were taken, so the cause was overlooked, says
David Thompson, first author on the paper and an
atmospheric scientist at the State University of Colorado in Boulder.
RE: 179 Raypierre, you must not give Roger Angel, Klaus Lackner,
David Keith and other
scientists / engineers as yet unidentified / unborn any credit for being able to make progress in finding ways to block sunlight by other means or reduce emissions and
atmospheric CO2 levels.