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AGU Hydrology H3S @agu-h3s.bsky.social · 15h

And for the final matchup of #VanishingWaterTowers for Round 1: Cluthu/Mata Au vs Cayambe! Learn about these two vastly different, but equally fascinating rivers below and don't forget to vote!!! www.agu-h3s.org/rivercup #RiverCup2026

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AGU Hydrology H3S @agu-h3s.bsky.social · 15h

For the next matchup of Round 1 in our #VanishingWaterTowers category: Niwot Ridge vs Upper Penticton! Learn more about these two research catchments below and keep those votes coming at www.agu-h3s.org/rivercup #RiverCup2026

Photo of Niwot Ridge Long Term Ecological Research station

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AGU Hydrology H3S @agu-h3s.bsky.social · 05/10/2026

As we start to approach #AGU26, we wanted to publish our First Time Attendee Guide early, with useful information for both newcomers and seasoned attendees! www.agu-h3s.org/post/san-fra... Be sure to stop by at some our listed H3S sessions too! See you in San Francisco! #H3SatAGU26

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AGU Hydrology H3S @agu-h3s.bsky.social · 05/10/2026

Round 1, Matchup 6 in our #VanishingWaterTowers category: Rhône vs East River! Keep on voting and learning facts in the replies below! Tell your friends and colleagues, all are welcome to vote in #RiverCup2026! Note: though we appreciate the enthusiasm, duplicate votes will be duly discarded 😉

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AGU Hydrology H3S @agu-h3s.bsky.social · 05/10/2026

Round 1, Matchup 5 in our #VanishingWaterTowers category: Semliki vs Indus! See facts below and don't forget to vote until 10/7! www.agu-h3s.org/rivercup

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AGU Hydrology H3S @agu-h3s.bsky.social · 05/10/2026

CONGRATULATIONS to the first winners of #RiverCup2026: Lake Chad, Ganges-Brahmaputra, Colorado, and Murray-Darling are the #HydrologicalExtremes rivers advancing to round 2! Voting is now LIVE for the next four matchups of round 1, #VanishingWaterTowers. Vote at www.agu-h3s.org/rivercup until 10/7!

A sports-style bracket labeled ""River Cup 2026"" and ""AGU H3S"". It is split into four themed segments.

The #HydrologicalExtremes segment contains Lake Chad, Zambezi, Amu Darya, Ganges-Brahmaputra, Colorado, Reynolds Creek, Murray-Darling, and Parana.
Lake Chad, Ganges-Brahmaputra, Colorado, and Murray-Darling have advanced to the second round in this category.

The #VanishingWaterTowers segment contains Semliki, Indus, Rhone, East River, Niwot Ridge, Upper Penticton, Cluthu/Mata-Au, and Cayambe

The #ChangingLandUse segment contains Congo, Po, Yellow, Danube, Konza Prairie, Burdekin, Amazon, and Mekong

The #WaterQualityThreats segment contains Niger, Citarum, Cape Fear, Rio Tinto, Llobregat, Susquehanna, Fly, and Matana-Riachuelo

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AGU Hydrology H3S @agu-h3s.bsky.social · 02/10/2026

And for our final matchup in the first round of #HydrologicalExtremes: Murray-Darling Basin vs Paraná River! Learn some facts below and VOTE VOTE VOTE! Voting ends 10/5 and the results are close! www.agu-h3s.org/rivercup #RiverCup2026

Aerial photo of the Murray-Darling basin

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AGU Hydrology H3S @agu-h3s.bsky.social · 02/10/2026

Rivers facing #HydrologicalExtremes, Round 1, Matchup 3: Colorado River vs Reynolds Creek Experimental Watershed. See some cool facts below and VOTE HERE until 10/5: www.agu-h3s.org/rivercup #RiverCup2026

Photo of Reynolds Creek Experimental Watershed

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AGU Hydrology H3S @agu-h3s.bsky.social · 01/10/2026

While you're voting for #RiverCup2026, don't forget to sign up for the next seminar in the Navigating Academic Waters series! The next session will focus on helping early career hydrologists find federal jobs in a changing landscape. Registration link: www.cuahsi.org/cyberseminar...

A flyer advertising the next session of the Navigating Academic Waters (NAW) series, co-organized by CUAHSI and AGU-H3S. The title of the session is "Navigating Today's Federal Job Market". It is October 8, 2-26, from 1-2 pm Eastern Time. The four speakers are Emily Smail, Chief of the Satellite Analysis Branch at NOAA, Emil Cherrington, a Research Professor at Notre Dame, Lauren Schaefer, a Research Civil Engineer on the Landslide Hazards Program at the USGS, and Shih-Chieh Kao, a Manager of the Water Power Program at Oak Ridge National Laboratory.

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AGU Hydrology H3S @agu-h3s.bsky.social · 01/10/2026

Rivers facing #HydrologicalExtremes, Round 1, Matchup 2: Amu Darya River vs Ganges-Brahmaputra Basin See facts below! VOTE HERE: www.agu-h3s.org/rivercup #RiverCup2026

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AGU Hydrology H3S @agu-h3s.bsky.social · 01/10/2026

Rivers facing #HydrologicalExtremes, Round 1, Matchup 1: Lake Chad Basin vs Zambezi River. Check out facts below and VOTE HERE until 10/5: www.agu-h3s.org/rivercup #RiverCup2026

Photo of the drying Lake Chad, the outlet of the Lake Chad Basin.

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AGU Hydrology H3S @agu-h3s.bsky.social · 01/10/2026

RIVER CUP 2026 IS LIVE!!!! This year's categories all relate to anthropogenic threats facing global rivers. First up: Eight rivers facing #HydrologicalExtremes, including droughts and flooding. Watch out for facts about these remarkable rivers and VOTE HERE until 10/5: www.agu-h3s.org/rivercup

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AGU Hydrology H3S @agu-h3s.bsky.social · 26/09/2026

It's the moment you've been waiting for: get excited for the return of #RiverCup2026, our annual March Madness-style bracket for global rivers! Follow along throughout the month of October to learn more about rivers experiencing different kinds of anthropogenic impacts and VOTE for your favorites!!!

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CUAHSI @cuahsi.bsky.social · 25/09/2026

Join CUAHSI and AGU H3S on on Oct 8 from 1-2PM ET for, Navigating Academic Waters: Navigating Today’s Federal Job Market Experts will discuss the current landscape, types of opportunities available across federal agencies, and how to identify and apply for roles. www.cuahsi.org/cyberseminar...

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AGU Hydrology H3S @agu-h3s.bsky.social · 08/09/2026

Urgent! Please be warned of some recent phishing scams impersonating AGU H3S. Stay vigilant and do not download links from unfamiliar email addresses.

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AGU Hydrology H3S @agu-h3s.bsky.social · 03/09/2026

Don't forget to sign up for next Thursday's Navigating Academic Waters seminar! Hear from four distinguished speakers on how story-telling can impact your scientific journey and career, with a Q&A period following. NAWs are FREE and open to everyone! Link to register: www.cuahsi.org/cyberseminar...

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AGU Hydrology H3S @agu-h3s.bsky.social · 03/09/2026

#WaterScienceWednesday Have you ever wondered where rain goes once it's in the ground? A watershed is an area of land where water drains toward a common outlet. They help us understand how upstream changes affect communities and ecosystems downstream. Tell us what watershed you're in below!

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AGU Hydrology H3S @agu-h3s.bsky.social · 20/08/2026

Please join us for the first of this year's Navigating Academic Waters series! Free and open to everyone, this series organized by AGU-H3S is designed to help early-career hydrologists build skills for academic and non-academic careers. Link to register: www.cuahsi.org/cyberseminar...

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CUAHSI @cuahsi.bsky.social · 17/08/2026

Announcing the 2026 Navigating Academic Waters Cyberseminar Series! Developed by @agu-h3s.bsky.social, the series will help early career hydrologists identify skill sets for non-academic careers, locate and secure project funding, and explore new data science tools for hydrology. lnkd.in/eju5_wjc

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AGU Hydrology H3S @agu-h3s.bsky.social · 05/08/2026

Tomorrow is the last day to submit!! We are looking forward to seeing all of the innovative ways scientists are communicating their research and science!

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AGU Hydrology H3S @agu-h3s.bsky.social · 07/07/2026

At AGU H3S, we want to highlight hydrology ECRs who are hosting sessions at AGU 2026, including this great session on non-perennial streams! If you are a hydrology ECR convening an AGU session, feel free to DM us to promote it. REMINDER: abstracts are due Wednesday, 05 August 2026 at 23:59 EDT!

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AGU Hydrology H3S @agu-h3s.bsky.social · 02/07/2026

Summer is the perfect time to reconnect with the “why” behind your passion for water science. AGU H3S invites you to take on our Summer Hydrology Bingo Challenge! Check off awesome hydro-themed activities all season long and share your progress by tagging us on social media. Have fun and stay cool!

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AGU Hydrology H3S @agu-h3s.bsky.social · 25/06/2026

REMINDER! AGU H3S is still accepting submissions for our early career hydrology 💧 figure spotlight! If you have a (published) figure you made that you’re particularly proud of, submit it to this form by July 10th for consideration in our feature! docs.google.com/forms/d/e/1F...

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Michael Meyer @mishafredmeyer.bsky.social · 23/06/2026

Registration is open for #HackingLimno & #DSOS26 10-14 August!! This FREE, VIRTUAL event will host 3 workshops and 20 presentations in all things #datascience #openscience #limnology #ecology #hydrology #oceanography. aquaticdatasciopensci.github.io/registration/

aquaticdatasciopensci.github.io

Registration

Conference Template

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AGU Hydrology H3S @agu-h3s.bsky.social · 06/06/2026

A great figure can elevate your paper, increase scientific accessibility, and even become art. Are you an early career researcher in hydrology with a (published) figure that you are proud of? H3S wants to spotlight you! Submissions accepted here → docs.google.com/forms/d/e/1F...

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AGU Hydrology H3S @agu-h3s.bsky.social · 28/05/2026

At AGU H3S, we’re building a collection of hydrology-related songs 🎶💧to help inspire us during days in the field, explain hydrological concepts, or simply keep us company while responding to Reviewer #2. If you have any suggestions, respond in the form below! forms.gle/9iZ19Pk1REDj...

forms.gle

Water-related songs post

At AGU H3S, we’re building a collection of Water-related songs (and songs from related fields 🎶💧). Whether it’s a high-energy anthem for a long day of fielf, a mellow track to explain Darcy’s Law, or ...

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AGU Hydrology H3S @agu-h3s.bsky.social · 28/05/2026

The AGU-H3S Professional Development Subcommittee is planning a summer webinar on applied AI tools for research, and we’d love input from the H3S community. What tools or applications would you like to learn about? Share in the comments or anonymously here: forms.gle/Y9m7UY6kWRmY...

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AGU Hydrology H3S @agu-h3s.bsky.social · 20/04/2026

12 years after the founding of H3S, we look back on our origin story. How did H3S come to be? How has it evolved? Back in 2014, Professor Tim van Emmerick (Wageningen University) served as the first chair of H3S. Click here to read his interview! 👉 www.agu-h3s.org/post/buildin...

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AGU Hydrology H3S @agu-h3s.bsky.social · 20/04/2026

Welcome to our first early career research spotlight of 2026! Ally Jacoby (UMN)'s PhD investigates changes to water and carbon cycling in a high Andean catchment, where she works alongside indigenous Kichwa communities. Click on this link to read Ally's interview! www.agu-h3s.org/post/researc...

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Li Li (李黎) @lireactivewater.bsky.social · 06/01/2026

All, The WARR website has been updated with 2026 schedule. www.cee.psu.edu/events/women... The page includes registration link, 2026 schedule in pdf, and all archived talks from 2021 - 2025. @margaretzimmer.bsky.social @waterbarnes.bsky.social @agucatchhydro.bsky.social @lmcp.bsky.social

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Long Term Ecological Research Network (United States) @uslter.bsky.social · 05/02/2026

The Hubbard Brook Forest Data Jam is a juried competition, inviting students, artists, musicians, scientists, and coders to create original works inspired by real long-term forest data from the Hubbard Brook Experimental Forest. Deadline coming fast!! data-jam.replit.app

Flyer for data jam. Flyer info is available at the linked website.

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AGU Hydrology H3S @agu-h3s.bsky.social · 22/01/2026

Interested in joining the AGU H3S team in 2026? You still have a chance! The application deadline has been extended until March 13. Apply at the link below!!! 👇👇👇

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AGU Hydrology H3S @agu-h3s.bsky.social · 02/12/2025

Applications are open to become a member of AGU H3S! See comments for links. Feel free to contact us through our website if you have any questions! www.agu-h3s.org

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AGU Hydrology H3S @agu-h3s.bsky.social · 02/12/2025

Applications are open to become a member of AGU H3S! See comments for links. Feel free to contact us through our website if you have any questions! www.agu-h3s.org

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AGU Hydrology H3S @agu-h3s.bsky.social · 31/10/2025

HUGE HYPE for our #CatchmentCup2025 WINNER by overwhelming majority: the ONÇA Catchment in Brazil!!! Thank you to everyone who voted for their favorite catchments throughout the past month to make this all possible. Happy last day of Catchment Cup and Happy Halloween 🎃 from AGU H3S! 🎉🎉🎉

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AGU Hydrology H3S @agu-h3s.bsky.social · 31/10/2025

The next catchment in the championship round of #CatchmentCup2025 is JAGUARIBE! Located in the state of Ceara, Brazil, the Jaguaribe river basin is comprised of ephemeral rivers which only flow during the rainy season. "Jaguaribe" comes from the... (1/2)

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AGU Hydrology H3S @agu-h3s.bsky.social · 31/10/2025

Keep those votes rolling in for #CatchmentCup2025! The first catchment in our championship round is the Onca Catchment located in Brazil! The Onca Catchment is the longest continuous monitoring of an outcrop area of the Guarani Aquifer System from 2000 to the present day... (1/2)

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AGU Hydrology H3S @agu-h3s.bsky.social · 30/10/2025

IT'S TIME TO DETERMINE YOUR #CatchmentCup2025 WINNER! Our final two catchments are ONCA and JAGUARIBE (both named after jaguars!)! Keep an eye out for facts about these wonderful catchments posted today and VOTE for your winner at www.agu-h3s.org/rivercup until TOMORROW at 5 pm ET!!!

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AGU Hydrology H3S @agu-h3s.bsky.social · 29/10/2025

Check out some facts on the anthropogenic threats facing our FINAL FOUR catchments below 👇👇 and remember to KEEP VOTING at www.agu-h3s.org/rivercup #CatchmentCup2025

agu-h3s.org

River Cup | Agu H3s

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AGU Hydrology H3S @agu-h3s.bsky.social · 29/10/2025

We apologize: due to an error with our website, we have not recorded any votes for round 4 of #CatchmentCup2025 submitted today. We will be extending voting until 9 am ET TOMORROW (10/30). Our apologies!

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AGU Hydrology H3S @agu-h3s.bsky.social · 29/10/2025

IT'S HERE! Voting is now LIVE to narrow down our FINAL FOUR catchments to the two that will enter the championship round!!! Learn about the human impacts on these catchments and VOTE VOTE VOTE on these amazing catchments at www.agu-h3s.org/rivercup #CatchmentCup2025

agu-h3s.org

River Cup | Agu H3s

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AGU Hydrology H3S @agu-h3s.bsky.social · 28/10/2025

Say hello to your FINAL FOUR: Onca, Jaguaribe, McMurdo, and Yangtze!!! Stay tuned till TOMORROW to vote down to the TOP TWO catchments in #CatchmentCup2025 !!!

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AGU Hydrology H3S @agu-h3s.bsky.social · 28/10/2025

Only TWO HOURS left to get your votes in to narrow our Great Eight to our FINAL FOUR catchments. Vote at www.agu-h3s.org/rivercup until 5 pm EST!!! #CatchmentCup2025

agu-h3s.org

River Cup | Agu H3s

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AGU Hydrology H3S @agu-h3s.bsky.social · 24/10/2025

Happy Friday!! Here are your #CatchmentCup2025 Great Eight!! Its time to NARROW down to the Fabulous Four! You have until Tuesday 10/28 to vote and check out the amazing papers from these sites here: www.agu-h3s.org/rivercup

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AGU Hydrology H3S @agu-h3s.bsky.social · 23/10/2025

3 more hours to vote for your favorite human-impacted catchments!! www.agu-h3s.org/rivercup Vote, share, and learn some fun facts!!!

agu-h3s.org

River Cup | Agu H3s

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AGU Hydrology H3S @agu-h3s.bsky.social · 22/10/2025

We are back with the last Round #2 Human-impacted Match ups: Yangtze River vs. Waikato River!! Head to our website to check out the latest fun facts and make sure your favorite catchment makes it to the great eight! www.agu-h3s.org/rivercup You have until 5 pm ET tomorrow (10/23) to vote!!

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AGU Hydrology H3S @agu-h3s.bsky.social · 22/10/2025

We are back with the last Round #2 Match ups: Heart CZO vs. Bulimba Creek!! Head to our website to check out the latest fun facts and make sure your favorite catchment makes it to the great eight! www.agu-h3s.org/rivercup

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AGU Hydrology H3S @agu-h3s.bsky.social · 21/10/2025

Your Round 2 #CatchmentCup2025 Snow-dominated catchments are #HubbardBrook and #McMurdo !!! www.agu-h3s.org/rivercup Stay tuned for the last Round 2 match ups starting TOMORROW at 9 am ET!!

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