{"624188":{"#nid":"624188","#data":{"type":"event","title":"ENSO Teleconnections and Climate Impacts Over North America: How Well Do We Know Them and How Do We Evaluate Models Accordingly?","body":[{"value":"\u003Ch4\u003E\u003Cstrong\u003EThe School of Earth and Atmospheric Sciences Presents Dr. Clara Deser, National Center for Atmospheric Research\u003C\/strong\u003E\u003C\/h4\u003E\r\n\r\n\u003Cp\u003EENSO Teleconnections and Climate Impacts Over North America: How Well Do We Know Them and How Do We Evaluate Models Accordingly?\u003C\/p\u003E\r\n\r\n\u003Cdiv\u003E\r\n\u003Cp\u003EThe canonical impacts of ENSO are generally assessed by compositing over a large number of events, thereby reducing the noise from internal variability unrelated to ENSO.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EIn this talk, I shall discuss to what extent the 100-year observational record is adequate for revealing the true forced response to ENSO, with a focus on wintertime teleconnections and climate impacts over North America. I shall also discuss how to evaluate climate model simulations in the face of observational uncertainty in both the spatial pattern and amplitude of ENSO\u0026rsquo;s impacts. Such observational uncertainty necessitates an approach to model assessment that considers not only the model\u0026rsquo;s forced response to ENSO, but also its representation of internal variability unrelated to ENSO.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EI shall show results from so-called \u0026ldquo;Tropical Pacific Pacemaker\u0026rdquo; simulations with CESM1 in which sea surface temperature anomalies in the eastern tropical Pacific are nudged to observations. The fully-coupled Pacemaker simulations will also be compared with CAM5 atmosphere-only (AMIP) experiments. Finally, the role of ENSO diversity and non-linearity will be discussed.\u003C\/p\u003E\r\n\u003C\/div\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"A seminar by Dr. Clara Deser, School of Earth and Atmospheric Sciences"}],"uid":"34458","created_gmt":"2019-08-08 17:32:00","changed_gmt":"2019-10-10 13:05:44","author":"nlawson3","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2019-10-24T12:00:00-04:00","event_time_end":"2019-10-24T12:50:00-04:00","event_time_end_last":"2019-10-24T12:50:00-04:00","gmt_time_start":"2019-10-24 16:00:00","gmt_time_end":"2019-10-24 16:50:00","gmt_time_end_last":"2019-10-24 16:50:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"hg_media":{"624180":{"id":"624180","type":"image","title":"Clara Deser","body":null,"created":"1565284456","gmt_created":"2019-08-08 17:14:16","changed":"1565284456","gmt_changed":"2019-08-08 17:14:16","alt":"","file":{"fid":"237713","name":"C. Deser.jpg","image_path":"\/sites\/default\/files\/images\/C.%20Deser.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/images\/C.%20Deser.jpg","mime":"image\/jpeg","size":44841,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/C.%20Deser.jpg?itok=PwvFMNDc"}}},"media_ids":["624180"],"groups":[{"id":"364801","name":"School of Earth and Atmospheric Sciences (EAS)"}],"categories":[],"keywords":[{"id":"175623","name":"EAS Seminar"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"177814","name":"Postdoc"},{"id":"174045","name":"Graduate students"},{"id":"78751","name":"Undergraduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EKezhou Lu\u003C\/p\u003E\r\n","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}