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domingo, 13 de dezembro de 2009

Alguns esclarecimentos sobre o Clima e Mudanças Climáticas


Neste blogue praticam-se a Liberdade e o Direito de Expressão próprios das Sociedades Avançadas

Estou preocupado com posições tão radicais e blogueiros de referência deixarem-se cair na esparrela dos cépticos do clima e que são blogueiros que tenho a maior consideração, que talvez na melhor das intenções, ainda creio, desconhecem os vários trabalhos científicos que comprovam de facto que vivemos já uma época de mudanças climáticas e que são acentuadas por acção do Homem. Contestando então as inverdades do video The Great Glogal Warming Sindle e das afirmações Luiz Carlos Molion, explico aqui, neste blogue com maior audiência, alguns Factos, minimizando os estragos eventualmente causados pelos referidos blogueiros.

Esfriamento ou aquecimento?
http://www.sciencedaily.com/releases/2009/12/091206184749.htm
O CO2 e a desflorestação (contrariando a "doblagem2 do CO2 ser benéfico às plantas)
http://www.sciencedaily.com/releases/2009/12/091209113840.html

E em relação aos povos desfavorecidos é melhor ler isto:
http://www.ecoequity.org/docs/TheGDRsFramework.pdf



Imagem: Global mass variations from August 2002 to July 2008 as observed by the GRACE satellite mission. Negative signals dominate over Greenland, Alaska and Antarctica, mainly resulting from ice melting. (Credit: University of Stuttgart)

2 commentaires:

Wahsse Fühdehr disse...

Uma pequena achega a favor dos cépticos:

"Open Letter to Secretary-General of United Nations


His Excellency Ban Ki Moon

Secretary-General, United Nations

New York, NY

United States of America

8 December 2009

Dear Secretary-General,

Climate change science is in a period of ‘negative discovery’ - the more we learn about this exceptionally complex and rapidly evolving field the more we realize how little we know. Truly, the science is NOT settled.

Therefore, there is no sound reason to impose expensive and restrictive public policy decisions on the peoples of the Earth without first providing convincing evidence that human activities are causing dangerous climate change beyond that resulting from natural causes. Before any precipitate action is taken, we must have solid observational data demonstrating that recent changes in climate differ substantially from changes observed in the past and are well in excess of normal variations caused by solar cycles, ocean currents, changes in the Earth's orbital parameters and other natural phenomena.

We the undersigned, being qualified in climate-related scientific disciplines, challenge the UNFCCC and supporters of the United Nations Climate Change Conference to produce convincing OBSERVATIONAL EVIDENCE for their claims of dangerous human-caused global warming and other changes in climate. Projections of possible future scenarios from unproven computer models of climate are not acceptable substitutes for real world data obtained through unbiased and rigorous scientific investigation.

Specifically, we challenge supporters of the hypothesis of dangerous human-caused climate change to demonstrate that:

1. Variations in global climate in the last hundred years are significantly outside the natural range experienced in previous centuries;
2. Humanity’s emissions of carbon dioxide and other ‘greenhouse gases’ (GHG) are having a dangerous impact on global climate;
3. Computer-based models can meaningfully replicate the impact of all of the natural factors that may significantly influence climate;
4. Sea levels are rising dangerously at a rate that has accelerated with increasing human GHG emissions, thereby threatening small islands and coastal communities;
5. The incidence of malaria is increasing due to recent climate changes;
6. Human society and natural ecosystems cannot adapt to foreseeable climate change as they have done in the past;
7. Worldwide glacier retreat, and sea ice melting in Polar Regions , is unusual and related to increases in human GHG emissions;
8. Polar bears and other Arctic and Antarctic wildlife are unable to adapt to anticipated local climate change effects, independent of the causes of those changes;
9. Hurricanes, other tropical cyclones and associated extreme weather events are increasing in severity and frequency;
10. Data recorded by ground-based stations are a reliable indicator of surface temperature trends.



It is not the responsibility of ‘climate realist’ scientists to prove that dangerous human-caused climate change is not happening. Rather, it is those who propose that it is, and promote the allocation of massive investments to solve the supposed ‘problem’, who have the obligation to convincingly demonstrate that recent climate change is not of mostly natural origin and, if we do nothing, catastrophic change will ensue. To date, this they have utterly failed to do so.

Signed by:"

E seguem-se 141 assinaturas de reputados cientistas nos vários ramos que estão ligados à climatologia.

Wahsse Fühdehr disse...

E aqui vai a identificação dos supracitados cientistas:

Signed by:

1. Habibullo I. Abdussamatov, Dr. Sci., mathematician and astrophysicist, Head of the Russian-Ukrainian Astrometria project on the board of the Russian segment of the ISS, Head of Space Research Laboratory at the Pulkovo Observatory of the Russian Academy of Sciences, St. Petersburg, Russia
2. Göran Ahlgren, docent organisk kemi, general secretary of the Stockholm Initiative, Professor of Organic Chemistry, Stockholm, Sweden
3. Syun-Ichi Akasofu, PhD, Professor of Physics, Emeritus and Founding Director, International Arctic Research Center of the University of Alaska, Fairbanks, Alaska, U.S.A.
4. J.R. Alexander, Professor Emeritus, Dept. of Civil Engineering, University of Pretoria, South Africa; Member, UN Scientific and Technical Committee on Natural Disasters, 1994-2000, Pretoria, South Africa.
5. Jock Allison, PhD, ONZM, formerly Ministry of Agriculture Regional Research Director, Dunedin, New Zealand
6. Bjarne Andresen, PhD, dr. scient, physicist, published and presents on the impossibility of a "global temperature", Professor, The Niels Bohr Institute, University of Copenhagen, Denmark
7. Timothy F. Ball, PhD, environmental consultant and former climatology professor, University of Winnipeg, Member, Science Advisory Board, ICSC, Victoria, British Columbia, Canada
8. Douglas W. Barr, BS (Meteorology, University of Chicago), BS and MS (Civil Engineering, University of Minnesota), Barr Engineering Co. (environmental issues and water resources), Minnesota, U.S.A.
9. Romuald Bartnik, PhD (Organic Chemistry), Professor Emeritus, Former chairman of the Department of Organic and Applied Chemistry, climate work in cooperation with Department of Hydrology and Geological Museum, University of Lodz, Lodz, Poland
10. Colin Barton, B.Sc., PhD, Earth Science, Principal research scientist (retd), Commonwealth Scientific and Industrial Research Organisation (CSIRO), Melbourne, Victoria, Australia
11. Joe Bastardi, BSc, (Meteorology, Pennsylvania State), meteorologist, State College, Pennsylvania, U.S.A.
12. Ernst-Georg Beck, Dipl. Biol. (University of Freiburg), Biologist, Freiburg, Germany
13. David Bellamy, OBE, English botanist, author, broadcaster, environmental campaigner, Hon. Professor of Botany (Geography), University of Nottingham, Hon. Prof. Faculty of Engineering and Physical Systems, Central Queensland University, Hon. Prof. of Adult and Continuing Education, University of Durham, United Nations Environment Program Global 500 Award Winner, Dutch Order of The Golden Ark, Bishop Auckland County, Durham, U.K.
14. M. I. Bhat, Professor & Head, Department of Geology & Geophysics, University of Kashmir, Srinagar, Jammu & Kashmir, India
15. Ian R. Bock, BSc, PhD, DSc, Biological sciences (retired), Ringkobing, Denmark
16. Sonja A. Boehmer-Christiansen, PhD, Reader Emeritus, Dept. of Geography, Hull University, Editor - Energy&Environment, Multi-Science (www.multi-science.co.uk), Hull, United Kingdom
17. Atholl Sutherland Brown, PhD (Geology, Princeton University), Regional Geology, Tectonics and Mineral Deposits, Victoria, British Columbia, Canada
18. Stephen C. Brown, PhD (Environmental Science, State University of New York), District Agriculture Agent, Assistant Professor, University of Alaska Fairbanks, Ground Penetrating Radar Glacier research, Palmer, Alaska, U.S.A.
19. James Buckee, D.Phil. (Oxon), focus on stellar atmospheres, Calgary, Alberta, Canada
20. Dan Carruthers, M.Sc., Arctic Animal Behavioural Ecologist, wildlife biology consultant specializing in animal ecology in Arctic and Subarctic regions, Alberta, Canada

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