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L’Académie des sciences tempère le débat sur le climat - En quête de science - France Culture
L'Académie des sciences en pleine activité en 1698 DR©Radio France
the Foresight Institute » Some Historical Perspective
The memory is that it was reading another part of the Durant’s Story of Civilization (of which tAoN is volume 11) back in grade school, I stumbled on a passage which was the very first in any book of any kind in which I realized that the authors could let their political preconceptions alter their interpretation of their subject. What they wrote, as I recall it very inexactly 40 years later, was to the effect that western civilization had progressed in a grand upward sweep since the time of the ancient Greeks, pausing only in the years 1952-1960 — which of course the Eisenhower administration.Data.GISS: Forcings in GISS Climate Model
These agents can be categorized into three areas: greenhouse gases, other man-made (anthropogenic) forcings, and natural forcings. The greenhouse gases consist of carbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 0) and chlorofluorocarbons (CFCs). Other anthropogenic forcings consist of black carbon (soot, formed by incomplete combustion), reflective aerosols (tiny airborne particles that reflect sunlight back to space), soil or dust, land cover changes, and forced cloud changes.
Figure 6.10 shows the various instrumental and proxy climate evidence of the variations in average large-scale surface temperatures over the last 1.3 kyr. Figure 6.10 a shows two instrumental compilations representing the mean annual surface temperature of the NH since 1850, one based on land data only, and one using land and surface ocean data combined (see Chapter 3 ).
6.6 The Last 2,000 Years - AR4 WGI Chapter 6: Palaeoclimate
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La revue Nature , l'une des plus lues dans les labos, a proposé hier un éditorial musclé .
Un faux graphique vaut mieux qu'un long mensonge . C'est le nouvel adage de Claude Allègre.
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Le livre "l'imposture climatique" de Claude Allègre a déjà fait l'objet de premières présentations sur ce blog. Ici(première analyse), là (le sergent recruteur) et là (le graphique célébrissime de Courtillot .{sciences²}
Le dernier livre de Claude Allègre, L'imposture climatique (Plon, 293 p, 19,90 €) dont j'ai fait une première présentation ici ) comporte quelques graphiques.
Claude Allègre , dans son dernier livre, cite Thierry Dudok de Wit , un astrophysicien, dans sa croisade anti-Giec.
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Claude Allègre a publié un nouveau livre, intitulé « L'imposture climatique, ou la fausse écologie».
A range of increasingly complex climate models has been used to simulate NH temperatures over the last 500 to 1,000 years using both natural and anthropogenic forcings ( Figure 6.13 ). These models include an energy balance formulation (Crowley et al., 2003, Gerber et al., 2003), two- and three-dimensional reduced complexity models (Bertrand et al., 2002b; Bauer et al., 2003), and three fully coupled AOGCMs (Ammann et al., 2003; Von Storch et al., 2004; Tett et al., 2007). Comparison and evaluation of the output from palaeoclimate simulations is complicated by their use of different historical forcings, as well as by the way indirect evidence of the history of various forcings is translated into geographically and seasonally specific radiative inputs within the models.
6.6.3 Comparisons of Millennial Simulations with Palaeodata - AR4 WGI Chapter 6: Palaeoclimate
Photos Un tunnel utilisant l'énergie solaire à Los Angeles
Mans Tham est un architecte suédois qui a proposé un projet original pour l'autoroute de Santa Monica.Un ours polaire sur la banquise ©Radio France
Académie des sciences : le débat sur le climat est-il réglé ? - Sciences - France Culture
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