Projections climatiques - Hervé Le Treut

avec Hervé Le Treut (climatologue) et Jean Dhombres (historien des sciences)

Par Maria Adriana Cardoso, chercheuse au Laboratoire du Génie Civil du Portugal, accompagnée de Maria João Telhado, Cheffe de division Environnement et énergie, Municipalité de Lisbonne dans le cadre

Why use observation networks to study the atmosphere? Stratospheric ozone - A new global challenge. This concerted worldwide effort is relevant to other climate variables. Other networks being

Climate models and experiments. Example 1: The Middle Holocene. Example 2: The Last Glacial Maximum. Example 3: Sudden events. Conclusion…

What is climate variability? An example of weather variation. The butterfly effect. Sensitivity to initial conditions in the chaos theory. Why does the global temperature of the Earth vary? What

Climate projections. The Intergovernmental Panel on Climate Change (IPCC) : scenarios, organisation and how it works. IllustratIion on how the connections between the world of scientific research

Qu'est-ce qu'un nuage ? Comment se forment les nuages ? Pourquoi la vapeur d'eau se transforme en goutelettes d'eau ?  Pourquoi existe-t-il des ascendences ? Quelle extension verticale pour le

What are the links between carbon and climate? How does this evolve at the scale of a human life? What are the main factors that govern the CO2 sinks?  What will happen to CO2 sinks over the next

What are the relevant variables that describe the atmosphere ? And water ? How variable is surface air temperature ? How variable is surface pressure ? And what about the winds ? We refer to

What is the incident energy ? How is this energy modified by crossing the atmosphere ? What is the emitted energy ? Why do we use the term greenhouse effect ? And if we change the amount of

Who were the artists of these decorated caves in Europe ? Animal representations: a reflection of the environment ? Europe during the Last Glacial Maximum (LMG) Spread of Upper Palaeolithic European

Quels impacts des polluants atmosphériques sur le climat? Quel impact radiatif des aérosols ? Bilan des impacts radiatifs. Quel bénéfice d’une amélioration de la qualité de l’air sur le climat ?