Dr. Shannon Cofield

@geoshanz.bsky.social

Geological Oceanographer, PhD | Researching sediments from the Deep Sea to Mars | Views my own | https://linktr.ee/shannoncofield

🚨Dive Alert NOAA Okeanos | Cook Islands (EX2605) *on bottom Aug 5, 2026 @ 1730 ET My NOAA/USGS colleagues are onboard carefully monitoring the dive and exploring. The rest of us are serving as Ashore SMEs. Check out those "forbidden truffles" (i.e., nodules!). Live stream 🔗 below. 🌊🧪

Dashboard from NOAA Okeanos ROV dive top left shows nodule field; top right show ROV on tether, bottom right shows ROV stats, and bottom right shows ROV camera. Credit: NOAA

🚨 New RFI- Potential Use of the Outer Continental Shelf for Offshore Space Launch and Re-entry Activities - Public comment opens July 8, 2026 - In addition to general comments, RFI is soliciting feedback for specific questions. RFI linked in 🧵 🌊🧪🔭

BOEM Initiates First Step to Explore Potential for Outer Continental Shelf Space Launch & Recovery

Bureau of Ocean Energy Management begins evaluating the potential for offshore launch and recovery infrastructure to expand America’s space capacity, enhance national security, and support long-term e...

boem.gov

🚨STATUS UPDATE- Expedition NA179 🌊🧪 The E/V Nautilus Crew is safely sheltering from #SuperTyphoonBavi (😳!!!) While sheltering, they took advantage of the opportunity for an ROV engineering dive + AUV Sentry test "deployment/ recovery"). Reminder, you can watch live anytime via the quoted links ⤵️

Wave height data shows Super Typhoon Bavi to the west of the Mariana Islands with central sea states exceeding 13m (pin shows 13.9m wave heights at a 10-sec period). Wave heights to the east are still exceeding 6m.

Data: Windy
Dr. Shannon Cofield@geoshanz.bsky.social · last mo.

🚨DIVE ALERT - E/V Nautilus 6/30/2026 @ 1900 ET/ 2300 UTC ROV Hercules diving to unnamed seamount east of Mariana Islands and east of trench Link to livestream below 🔗⤵️ 🌊🧪

Screenshot of the E/V Nautilus public dashboard showing map of dive site (east of Mariana Islands and east of Mariana Trench), image of cable entering the water (ROV already below the water surface), and statistics of current ROV Hercules water depth (25 meters) and ROV Atalanta towsled water depth (16 meters).

July 4, 1997. Pathfinder + Sojourner land @ Ares Vallis, Mars (Carl Sagan Memorial Station). I like to think they’re still singing 🎶 “We lie beneath the stars at night Our hands gripping each other tight You keep my secrets hope to die Promises, swear them to the sky” -TNAF Happy ~Landiversary 🥳🔭

Sojourner rover sitting on Pathfinder’s deck before deploying to the surface of Mars. The landscape is rusty red and rocky with slight shadows. The sky is a similar shade of red/ orange. 

Image credit: NASA/ JPL-Caltech

🌊🧪 NASEM critical mineral deep-sea workshop - June 29-30, 2026 - FREE, virtual, + public encouraged! - Description, science objectives, + registration in 🔗 - Short overview in 🧵 - Sponsored by NOAA/ BOEM/ BSEE (*I helped develop this study 😁)

A Research Strategy for Seabed Critical Mineral Resources

An ad hoc committee of the National Academies of Sciences, Engineering, and Medicine will undertake a study to recommend a research strategy on seabed mining for critical minerals. This project will i...

nationalacademies.org

NASA's Jet Propulsion Lab - Open House Oct 10-11, 2026 - 📍Pasadena, CA If you've never been to JPL, HIGHLY recommend. Visit Mission Control, Mars Yard, + keep your eyes peeled for space deer! 🎟️ Tickets are free, but go very fast = Mark your calendar for August 29 @ 9:00am PDT 🔭🧪🌊

Explore JPL to Take Place Oct. 10, 11

NASA’s leading center for the robotic exploration of the universe is opening its doors for a two-day event. Tickets, available in late August, will go fast.

jpl.nasa.gov

2026 Expedition Season, arriving 🔔 Looking forward to contributing as an Ashore Scientist during this busy time (w/ a few pending ship-time opportunities). "General" overarching themes are deep-sea mineral and environmental characterization- mapping + sampling 🌊🧪

Figure shows my planned list of 2026 expeditions on a background of the blue ocean. Figure text reads:

NOAA Okeanos Explorer (Ashore Scientist) | 
Technology Demo | EX2701 (Oct 28-Nov 16, 2026)
NOAA Okeanos Explorer (Ashore Scientist) | 
American Samoa (transit to Hawai’i) | EX2607 (Sep 23-Oct 18, 2026)
E/V Nautilus with ROV Hercules (Ashore Scientist) | 
Hawai’i | NA182 (Sep 22-Oct 12, 2026)
E/V Nautilus with ROV Hercules (Ashore Scientist) |
Wake Island | NA181 (Aug 20-Sep 18, 2026)
NOAA Okeanos Explorer with ROV (Ashore Scientist) |
American Samoa | EX2606 (Aug 19-Sep 16, 2026)
E/V Nautilus with ROV Hercules and AUV Sentry (Ashore Scientist) |
Mariana Islands | NA180 (Jul 25-Aug 16, 2026)
NOAA Okeanos Explorer with ROV (Ashore Scientist) |
Cook Islands | EX2605 (Jul 16-Aug 12, 2026)
E/V Nautilus with ROV Hercules and AUV Sentry (Ashore Scientist) |
Mariana Islands | NA179 (Jun 28-Jul 21, 2026)

Heading into Memorial Day- remembering my friends/ shipmates/ family. 🌍 Especially reflecting on my NATO + international military family who gave their lives in our campaigns. You will NEVER be forgotten by those you served alongside. We honor you. With love + gratitude, S.

For funnsies [when available], I may use the δ¹⁸O(atm) from these data to recreate my HLY0503-JPC22 age model. Might make for a good comparison... and new pub! Posting for my own posterity (*temporal pincer movement- if anyone gets this reference, you officially rock!)

Dr. Matt Schabath (he/him/his)@mattschabathphd.bsky.social · 3mo ago

🧪🧪 Ice core reveals longest-ever continuous record of Earth’s climate -- Data from Antarctica could help to solve the mystery of why ice ages were so brutal. www.nature.com/articles/d41...

Truly sorry to hear this heartbreaking news from University of South Florida. Fire at the USF College of Marine Science research building. Keeping my ears open for opportunities to help (please tag me if you see any). Hope the science community can rally and assist any research losses 🌊🧪

Lightning A Possible Cause Of USF Lab Fire | Weather.com

A large fire broke out Saturday evening at a science lab on the campus of the University of South Florida. Some reports say lightning is a possible cause of the blaze.

weather.com

Just awarded a new deep-sea sediment plume study to our USGS colleagues. Excited to see where this one takes our teams. #SettlingVeolcity is quite important in the DS. Mod for our current study, "Baseline Characterization of Offshore Mineral Ecosystems" (aka- BCOME). GO TEAM GO 🧪🌊