Listen "Episode 4: Milankovitch Cycles"
Episode Synopsis
The deep dive of episode 4 is on Milankovitch Cycles. For a full list of references, see the post on my website: https://raisedbeaches.net/2024/12/30/raised-beaches-podcast-episode-4/Listen here: https://raisedbeaches.buzzsprout.com/Watch here: https://www.youtube.com/@evangowan-----Episode 4 - Intro-----I discuss what I have been doing in November and December 2024, as well as an overview of all of 2024.- Current work on ice sheet reconstructions.- Trip to Okinawa and a discussion on the sea level indicators there, based on beachrock.- Some discussion of the Aso Caldera in Kyushu.- The anomalously hot water around Japan, and how it is affecting the fisheries.- The ammonite fossil exhibit at Kumamoto University.- Overview of my activities in 2024.-----Episode 4 Deep Dive - Milankovitch Cycles-----I introduce Milankovitch Orbital Theory and Milankovitch Cycles, and why orbital variability is the main control on paleoclimate changes. I also give examples of well known proxy records that demonstrate Milankovitch Cycles.-----Episode 4 - More on Milankovitch Cycles-----I discuss about James Croll's hypothesis on orbital changes being responsible for climate changes, which predates Milankovitch's theory, Charles Darwin's remarks on it, as well as why it was not accepted. I also discuss Milankovitch Cycles on Mars.-----Episode 4 - Papers-----I discuss a paper that I am coauthor on, led by Karla Rubio-Sandoval, which is an investigation of four raised beach/shoreline deposits in Camarones, Argentina. This research was part of the WARMCOASTS project, which I was part of.References:- Rubio-Sandoval et al (2024) - Quaternary and Pliocene sea-level changes at Camarones, central Patagonia, Argentina: https://doi.org/10.1016/j.quascirev.2024.108999Thanks to Alessio Rovere for some of the pictures used here, and of course for being a great mentor on investigating raised coastal deposits!WARMCOASTS - Sea level and extreme waves in the Last Interglacial: This project received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 802414)----Thank you to:----Raised Beaches Podcast logo by Aurooj: https://www.instagram.com/artbytinyleaf/Sean for the Raised Beaches Podcast theme songThat Blasted Salami, who helped me get started: https://www.youtube.com/channel/UC5GTc4yWm-yiBFTuV3MsGaQFollow Dr. Evan J. Gowan on social media:Mastodon: @[email protected] Bluesky: @evangowan.bsky.social
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