Geoscience Bulletin Board – 21 August 2023

Looking at sediment cores to understand history of coastal changes in Alaskan bays and fjords

·????????https://www.adn.com/bristol-bay-times/news/2023/08/11/alaska-geologists-dig-into-bering-seas-past-storms-to-understand-future-ones/

Greece closes popular Samaria Gorge in SW Crete to hikers after EQ triggered rockslide

·????????https://www.msn.com/en-us/travel/news/greece-closes-popular-mountain-gorge-in-crete-after-an-earthquake-triggers-a-dangerous-rockslide/ar-AA1ffzGl?

Okeanos Explore to survey the coast of Alaska – 5-month mission

·????????https://phys.org/news/2023-08-alaska-coast-crew-peers-deep.html

·????????https://www.keeptalkinggreece.com/2023/08/14/gorges-chania-crete-samaria-shut-down-earthquake/

Finding the optimal conditions for permafrost – bacteria in suspended animation – CRREL permafrost tunnel

·????????https://sportaroo.com/en/scientists-are-dig-a-hole-through-one-of-alaskas-remote-areas-but-find-something-very-sinister/

Mt Etna erupts – airport at Catania in Sicily closes

·????????https://www.stuff.co.nz/travel/travel-troubles/300950104/spectacular-mount-etna-eruption-closes-airport

Geothermal cooling system in Masdar City in Abu Dhabi

·????????https://www.thinkgeoenergy.com/breakthrough-announced-on-geothermal-cooling-project-in-abu-dhabi-uae/

Ice dams and flooding are not unusual in SE Alaska – Suicide Basin - j?kuhlaups

·????????https://fortune.com/2023/08/09/alaska-capital-juneau-mendenhall-glacier-flash-flood-suicide-basin/

Collapse of roughly 500,000 cubic meters of rocky material in Bubisskali River Valley

·????????https://georgiatoday.ge/environment-agency-rocky-mass-of-approximately-500000-cubic-meters-collapsed-in-the-bubisskali-river-valley/

Toward a better understanding of the geologic history of the Tibetan Plateau

·????????https://www.forbes.com/sites/davidbressan/2023/08/15/new-geological-study-rewrites-history-of-the-worlds-highest-peaks/?sh=3d20438e114c

Rising waters of Nuphar Lake near Norris Geyser Basin in Yellowstone

·????????https://www.usgs.gov/observatories/yvo/news/rising-waters-nuphar-lake-near-norris-geyser-basin

Stebbins Gulch in Ohio

·????????https://presspublications.com/content/beautiful-pristine-stebbins-gulch-trip-through-geological-time

Seeking to find elusive foreshock signals for major earthquakes

·????????https://eos.org/articles/global-earthquake-analysis-seeks-elusive-foreshock-signal

Simon and Jekyll – two young great white sharks – appear to be BFFs

·????????https://www.huffpost.com/entry/white-sharks-best-friends_n_64d67ad1e4b05da6d5da863a

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Searching for tephra from one of the largest explosions of Kīlauea

·????????https://www.nationalparkstraveler.org/2023/08/searching-tephra-one-kilaueas-largest-explosions

Processes that put micro-plastics into the marine atmosphere

·????????https://phys.org/news/2023-08-microplastics-marine-atmosphere.html

·????????Paper:?https://www.nature.com/articles/s41467-023-39340-5

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Will NOAA declare July 2023 as hottest in 174 years? – just how long have they been manipulating the records? – 50% chance – yep, that means it will or it won’t

·????????https://phys.org/news/2023-08-shattering-earth-hottest-july-years.html

·????????https://phys.org/news/2023-08-percent-chance-warmest-year-noaa.html

·????????NOAA report summary:?https://www.ncei.noaa.gov/news/global-climate-202307

Dendrochronology in central Yunnan Province in SW China reflects variability of drought

·????????https://phys.org/news/2023-08-tree-insight-drought-variability-central.html

·????????Paper:?https://www.sciencedirect.com/science/article/abs/pii/S0031018223003759?via%3Dihub

Biogeochemical insight from the Tocantins River in Brazil – dissolved & particulate carbon & nitrogen

·????????https://phys.org/news/2023-08-biogeochemical-insights-major-amazonian-river.html

Dinosaur “coliseum” in Denali National Park – largest known single dinosaur track site in Alaska

·????????https://www.eurekalert.org/news-releases/998562

Key role of Ice Age cycles in inter-breeding of early humans

·????????https://www.eurekalert.org/news-releases/998472

Fujiwara effect near airport in Colorado - video

·????????https://www.buzzvideos.com/fun/565084/fujiwara-effect-outside-denver-international-airport

Free download:?“Colloid (Nano- and Micro-particle) Transport and Surface Interaction in Groundwater

·????????https://gw-project.org/books/colloid-nano-and-micro-particle-transport-and-surface-interaction-in-groundwater/

High-resolution photogrammetry can effectively assess snowpack

·????????https://phys.org/news/2023-08-aerial-precise-depth.html

·????????Paper:?https://tc.copernicus.org/preprints/tc-2022-65/

New model to predict glacial retreat

·????????https://phys.org/news/2023-08-future-glaciers-ecosystems-deglaciation.html

3-D seismic reflection data images of Hikurangi Subduction Zone beneath North Island, New Zealand

·????????https://phys.org/news/2023-08-3d-images-never-seen-before-views-zealand.html

·????????Paper:?https://www.science.org/doi/10.1126/sciadv.adh0150

Pleistocene (Pre-Younger Dryas) Rancho La Brea megafaunal extinctions driven by wildfires

·????????https://www.eurekalert.org/news-releases/998431

·????????Paper:?https://www.science.org/doi/10.1126/science.abo3594

Measuring coral calcification rates off Hawaiian Islands in lower photic zone

·????????https://www.eurekalert.org/news-releases/998702

Computational modeling of Triassic Saurosuchus skull suggests weaker bit than modern crocodiles

·????????https://www.eurekalert.org/news-releases/998751

·????????Paper:?https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.25299

Risk posed by asteroids and other NEO – hazards by the numbers:?Torino Impact Hazard Scale

·????????https://theconversation.com/city-killers-and-half-giraffes-how-many-scary-asteroids-really-go-past-earth-every-year-208838

Venetoraptor gassenae – Late Triassic pterosaur had raptor-like beak & long hands with scimitar-like claws

·????????https://www.sci.news/paleontology/venetoraptor-gassenae-12192.html

The evolution of sea spiders

·????????https://www.sci.news/paleontology/sea-spider-evolution-12189.html

·????????Paper:?https://onlinelibrary.wiley.com/doi/full/10.1002/spp2.1515

Arenaerpeton supinatus – Triassic amphibian species in Sydney Basin in Australia

·????????https://www.sci.news/paleontology/arenaerpeton-supinatus-12188.html

·????????Paper:?https://www.tandfonline.com/doi/full/10.1080/02724634.2023.2232829

3D Elevation Program in Oregon

·????????https://www.usgs.gov/publications/3d-elevation-program-supporting-oregons-economy

·????????USGS Fact Sheet 2023-3029:? https://pubs.usgs.gov/fs/2023/3029/fs20233029.pdf

Comparison of EQ and the National Volcano early warning systems

·????????https://www.usgs.gov/publications/comparison-earthquake-early-warning-systems-and-national-volcano-early-warning-system

·????????USFS Fact Sheet 2023-3033: ?https://pubs.usgs.gov/fs/2023/3033/fs20233033.pdf

Geology & assessment of Cherokee coal bed in Fort Union Formation, south-central Wyoming

·????????https://www.usgs.gov/publications/geology-and-assessment-coal-resources-cherokee-coal-bed-fort-union-formation-south

·????????USGS SIR 2023-5067: ?https://pubs.usgs.gov/sir/2023/5067/sir20235067.pdf

Role of Southern Alaskan dust storms in climate

·????????https://www.terradaily.com/reports/What_role_do_dust_storms_play_in_the_worlds_climate_999.html

·????????Paper:?https://www.science.org/doi/10.1126/sciadv.adg3708

Iceland meteorological office declared end of Litli-Hrutur crater eruption

·????????https://www.terradaily.com/reports/Volcanic_eruption_in_southwest_Iceland_ends_met_office_999.html

Trilobites with extra gills better suited to surviving mass extinctions

·????????https://arstechnica.com/science/2023/08/the-trade-off-that-helped-some-trilobites-survive-mass-extinctions/

Seismic activity on Campi Flegrei volcano in Italy

·????????https://www.volcanodiscovery.com/campi-flegrei/news/218789/Campi-Flegrei-volcano-Italy-intense-earthquake-swarm-peaked-by-M-36-event-today-seismic-crisis-ended.html

Volcano tourism on Mount Etna

·????????https://www.euronews.com/travel/2023/08/18/mount-etna-is-europes-most-active-volcano-can-you-still-visit-during-an-eruption

The 1823 unusual eruption of Kīlauea

·????????https://www.nationalparkstraveler.org/2023/08/most-unusual-kilauea-eruptionmaybe-1823