Bulletin of the American Physical Society
APS March Meeting 2017
Volume 62, Number 4
Monday–Friday, March 13–17, 2017; New Orleans, Louisiana
Session Y40: Climate Change and Sea Level RiseInvited Undergraduate
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Sponsoring Units: FPS Room: 387 |
Friday, March 17, 2017 11:15AM - 11:51AM |
Y40.00001: TBA Invited Speaker: Aaron Miller TBA [Preview Abstract] |
Friday, March 17, 2017 11:51AM - 12:27PM |
Y40.00002: Climate Change in the Pacific Islands Invited Speaker: Michael P. Hamnett Climate change have been a major concern among Pacific Islanders since the late 1990s. During that period, \textit{Time Magazine} featured a cover story that read: \textit{Say Goodbye to the Marshall Islands, Kiribati, and Tuvalu} from sea level rise. Since that time, the South Pacific Regional Environment Programme, UN and government agencies and academic researchers have been assessing the impacts of long-term climate change and seasonal to inter-annual climate variability on the Pacific Islands. The consensus is that long-term climate change will result in more extreme weather and tidal events including droughts, floods, tropical cyclones, coastal erosion, and salt water inundation. Extreme weather events already occur in the Pacific Islands and they are patterned. El Ni\~{n}o Southern Oscillation (ENSO) events impact rainfall, tropical cyclone and tidal patterns. In 2000, the first National Assessment of the Consequences of Climate Variability and Change concluded that long-term climate change will result in more El Ni\~{n}o events or a more El Ni\~{n}o like climate every year. The bad news is that will mean more natural disasters. The good news is that El Ni\~{n}o events can be predicted and people can prepare for them. The reallly bad news is that some Pacific Islands are already becoming uninhabitable because of erosion of land or the loss of fresh water from droughts and salt water intrusion. Many of the most vulnerable countries already overseas populations in New Zealand, the US, or larger Pacific Island countries. For some Pacific Islander abandoning their home countries will be their only option. [Preview Abstract] |
Friday, March 17, 2017 12:27PM - 1:03PM |
Y40.00003: Reflections on the IPCC and Its Projections Invited Speaker: Daniel Reifsnyder |
Friday, March 17, 2017 1:03PM - 1:39PM |
Y40.00004: Challenges of projecting local sea-level changes and their uncertainties Invited Speaker: Robert Kopp In the global mean, sea-level rise is driving by two main factors -- land-ice mass changes and ocean thermal expansion -- with a minor contribution for changes in the storage of liquid water on land. At a local scale, there are many complicating effects, among them those due to: the gravitational, rotational and flexural consequences of land-ice mass redistributions; changes in atmosphere and ocean circulation; the Earth's mantle's ongoing response to the last deglaciation; tectonics; and sediment compaction. Projecting local sea-level changes requires consideration of all these contributing factors. Recent efforts have focused on combining these factors in a way that accounts for their uncertainties in a probabilistic manner. This talk will discuss approaches to projecting probabilities of future sea-level change, as well as the limits to such approaches posed by deep uncertainty regarding Antarctic ice sheet physics. [Preview Abstract] |
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