Very happy to see Onça Creek crowned as the winner of the #CatchmentCup2025! 🏆💧
Special thanks to @agu-h3s.bsky.social for organizing and promoting this fun event! It’s a great way to celebrate our global #Hydrology community!!!!
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! 🎉🎉🎉
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)
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)
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!!!
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
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!
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
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 !!!
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
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
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!!
a sports-style bracket titled Catchment Cup 2025. there are 32 rivers split across four regions, and losers of each matchup are crossed out in red while the winners move to the next column. the winners of the most recent round are the Onça, Walnut Gulch, Jaguaribe, and Panola
let’s hear it for the winners of the first half of Round 2 of #CatchmentCup2025!
Your #headwater senifinalists are the ONÇA and WALNUT GULCH!
Your #rain-doninated semifinalists are the JAGUARIBE and PANOLA!
Be sure to come back here on Monday, 10/20 for the next round: #snow-dominated catchments!
Up next in round 2 of #CatchmentCup2025, we have the RAIN-DOMINATED catchments!
Help your favorite catchment move on to the semifinals by voting at www.agu-h3s.org/rivercup until TONIGHT (10/16) 4 pm PT! Also, stay tuned for some fun facts about these four catchments!
It’s time for ROUND 2 of #CatchmentCup2025! Our four #headwater semifinalists are competing for their chance at the title of world’s most remarkable catchment!
Cast your votes at www.agu-h3s.org/rivercup until TONIGHT (10/15) 4 pm PT, and come back for some fun facts about these four catchments!
a sports-style bracket titled Catchment Cup 2025, highlighting 32 watersheds that competed in Round 1. Catchments eliminated in round 1 are marked in red, and winners moving on to Round 2 are entered into the second-most inside column for each region
it’s time!! we have all of our round 1 winners!
shout-out to the HEART CZO, Bulimba Creek, Yangtze River, and Waikato River for snagging the last four slots in round 2!
and don’t forget to come back tomorrow am (10am ET) for the first matchups of #CatchmentCup2025 round 2: #Headwaters!
it’s the LAST CHANCE to vote in round 1 of #CatchmentCup2025!! make sure your vote counts in helping us find the most remarkable catchment of 2035!
If you haven't yet voted for your favorite HUMAN-IMPACTED catchments, vote at www.agu-h3s.org/rivercup until 5 pm EST TODAY!!!
Welcome back to another round of #CatchmentCup2025! In our final matchups of round 1, eight HUMAN-IMPACTED catchments will compete head to head!
Cast your votes at www.agu-h3s.org/rivercup until TOMORROW (10/14) 5 pm ET, and stay tuned for facts posted throughout the day about these catchments!
The winners of Round 1 snow-dominated catchments: Hubbard Brook, East River, Burabay, and McMurdo!
Drumroll please.....the winners of round 1's snow-dominated catchments are.....
HUBBARD BROOK, EAST RIVER, BURABAY, and MCMURDO!!!
Some of these matchups were close so keep those votes coming for human-dominated catchments starting next week, 10/13!!!
#CatchmentCup2025
Every vote counts in #CatchmentCup2025 on our quest to find the most remarkable catchment in the world this year! If you haven't yet voted for your favorite SNOW-DOMINATED catchments, vote at www.agu-h3s.org/rivercup until 5 pm EST TODAY!!!
McMurdo Dry Valleys, Antarctica
Tapado Catchment, Chile
AND FINALLY: the fourth matchup of snow-dominated catchments in Round 1:
McMurdo vs Tapado!
VOTE VOTE VOTE!!! www.agu-h3s.org/rivercup
#CatchmentCup2025
Burabay National Research Park
Krycklan Catchment
Third up for our snow-dominated catchment matchups in Round 1 of #CatchmentCup2025 :
Krycklan vs Burabay!
Keep those votes coming at www.agu-h3s.org/rivercup and see below for facts!!!
Welcome back to another set of catchments in #CatchmentCup2025 ! Today and tomorrow we will be facing off 8 amazing SNOW-DOMINATED catchments from around the globe.
Vote at: www.agu-h3s.org/rivercup until TOMORROW (10/9) by 5 pm EST and keep an eye out for facts posted today about these catchments!
Catchment cup 2025 bracket displaying winners of the rain-dominated catchments round 1: Jaguaribe, Eel River, Upper Blue Nile, and Panola Mountain
The votes are in!!! Check out your Round 1 #CatchmentCup2025 Rain-dominated WINNERS!!! See you TOMORROW for the next round: snow-dominated catchments!
Just a little while longer to vote today in #CatchmentCup2025!
You only have 3 HOURS LEFT to vote for your favorite RAIN-DOMINATED CATCHMENTS in #CatchmentCup2025 !
Keep those votes coming to decide what the most amazing catchment in the world is! Winners will be posted by EOD TODAY!
VOTE HERE: www.agu-h3s.org/rivercup
A photo taken by one of H3S's own of the Piabanha Research Watershed in southern Brazil
An outcrop of the Panola Mountain Research Watershed in Georgia, USA
The last two rain-dominated catchments in Round 1 of #CatchmentCup2025 :
Panola Mountain vs Piabanha
You have until 5 pm EST TOMORROW (10/7) to vote at: www.agu-h3s.org/rivercup
Scroll below for facts!
Who's ready for the next category of catchments in #CatchmentCup2025 ??? Next up is RAIN-DOMINATED CATCHMENTS. Keep an eye out for facts about these wondrous catchments posted here today!
VOTE HERE until 5 pm EST on Tuesday: www.agu-h3s.org/rivercup
The votes are in!!! Check out your Round 1 #CatchmentCup2025 Headwater WINNERS!!! See you tomorrow for the next round for Rain-dominated catchments!
These research catchments are special please for research, learning, and inspiration! Thanks for sharing!!
#CatchmentCup2025 has started! #Headwater catchments voting happening here: www.agu-h3s.org/rivercup
Keep sharing your own photos and experiences at these catchments and tag us!
