{"id":5631,"date":"2025-09-05T15:41:37","date_gmt":"2025-09-05T13:41:37","guid":{"rendered":"https:\/\/academiespatiale.fr\/?post_type=tribe_events&p=5631"},"modified":"2025-09-05T15:41:37","modified_gmt":"2025-09-05T13:41:37","slug":"seminaire-dr-v-ramanathans-visit-at-ipsl","status":"publish","type":"tribe_events","link":"https:\/\/academiespatiale.fr\/index.php\/event\/seminaire-dr-v-ramanathans-visit-at-ipsl\/","title":{"rendered":"[Seminaire] Dr. V. Ramanathan’s visit at IPSL"},"content":{"rendered":"
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\n\t\t\n\t\t\t8 septembre 2025\t\t<\/span>\n\n\t\t\t\t\t\n\t\t\t\t : \t\t\t<\/span>\n\t\t\t\n\t\t\t\t9h00\t\t\t<\/span>\n\t\t\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t–\t\t\t\t<\/span>\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t14h30\t\t\t\t<\/span>\n\t\t\t\n\t\t\t\t\t\t<\/p>\n<\/div>\n\n\n\n

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V. Ramanathan est invit\u00e9 \u00e0 Paris pour quelques jours par l\u2019Acad\u00e9mie des Sciences. Ayant manifest\u00e9 le d\u00e9sir de se tenir inform\u00e9 de l\u2019\u00e9tat des connaissances sur les r\u00e9troactions nuageuses, une session de discussion informelle sur ce sujet est organis\u00e9e \u00e0 l\u2019IPSL.<\/p>\n\n\n\n

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Dr. V. Ramanathan’s visit at IPSL<\/p>\n\n\n\n

Lundi 8 septembre 2025
De 9h \u00e0 14h30<\/strong><\/p>\n\n\n\n

IPSL – Sorbonne Universit\u00e9
Tour 15-55, salle 201 (2e \u00e9tage)
4, place Jussieu, 75005 Paris<\/p>\n<\/div>\n\n\n\n

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Ce s\u00e9minaire est organis\u00e9 par Sandrine Bony et Val\u00e9rie Masson-Delmotte<\/p>\n\n\n\n

Plus d’infos \u2192 Dr V. Ramanathan\u2019s visit at IPSL \u2013 Institut Pierre-Simon Laplace<\/a><\/p>\n\n\n\n

V. Ramanathan (Professor \u00e9m\u00e9rite of Climate and Atmospheric Sciences \u00e0 l\u2019Universit\u00e9 de Californie, San Diego) a \u00e9t\u00e9 \u00e0 l\u2019origine de nombreuses avanc\u00e9es des sciences de l\u2019atmosph\u00e8re et du climat. Dans les ann\u00e9es 70, il a d\u00e9montr\u00e9 le r\u00f4le des CFC dans l\u2019effet de serre. Dans les ann\u00e9es 80, il a \u00e9t\u00e9 parmi les principaux investigateurs de la mesure du bilan radiatif depuis l\u2019espace (ERBE).
(…) suite de la description sur le site officiel IPSL<\/a><\/p>\n\n\n\n

PROGRAMME<\/p>\n\n\n\n

Cloud feedbacks: State of understanding and open questions
<\/strong>09:00 Introduction (V. Ramanathan, Sandrine Bony)
09:15 \u2013 09:35 WCRP and IPCC assessments of cloud feedbacks and climate sensitivity (Jean-Louis Dufresne)
09:35 \u2013 09:55 Shallow cumulus feedback: advances and questions (Sandrine Bony)
09:55 \u2013 10:15 Stratocumulus cloud feedback: advances and questions (Florent Brient)
10:15 \u2013 10:35 Anvil cloud feedback: advances and questions (Brett McKim)
10:35 \u2013 11:00 General discussion on cloud feedbacks (animated by Brett McKim)<\/p>\n\n\n\n

11:00 \u2013 11:15 Break<\/em><\/p>\n\n\n\n

Climate-Society interactions<\/strong><\/p>\n\n\n\n

11:15 \u2013 11:45 Social-natural system interactions & Low Probability High Impact events (V. Ramanathan)
11:45 \u2013 12:45 Exchange with IPSL early-career scientists<\/p>\n\n\n\n

12:45 \u2013 14:00 Lunch<\/em><\/p>\n\n\n\n

Climate-Society-Education
<\/strong>14:00 \u2013 14:30 Office for Climate Education (David Wilgenbus, Eric Guilyardi) + questions<\/p>\n<\/div><\/div>\n\n\n\t

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