Doerthe Tetzlaff
tetzlaffecohyd.bsky.social
Doerthe Tetzlaff
@tetzlaffecohyd.bsky.social

Professor in Ecohydrology, Isotopes, Landscape Ecohydrology, Scotland, Berlin

Dörthe Tetzlaff is a German hydrologist who is Professor of Ecohydrology at Humboldt University zu Berlin and Head of Department at the Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany, since 2017. Tetzlaff was appointed Fellow of the Royal Society of Edinburgh in 2017, Fellow of the American Geophysical Union in 2018, Honorary Fellow of the Geological Society of America in 2019, Fellow of the European Academy of Sciences in 2022 and Member of the Berlin-Brandenburg Academy of Sciences and Humanities in 2023. .. more

Environmental science 69%
Geography 19%

Fantastic work!!

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How/What is the Latin America and the Caribbean community doing on tracer hydrology? Read our new paper based on a great collaborative work of a huge number of researchers from the region. Great effort lead by Ricardo Sánchez-Murillo.
onlinelibrary.wiley.com/doi/10.1002/...
Tracer Hydrology Practices, Challenges, and Opportunities Across Latin America and the Caribbean
Tracer monitoring characteristics across the LAC region: overview of sampled hydrologic systems, commonly used tracers, routine and event-based sampling strategies, integration with hydrometric measu...
onlinelibrary.wiley.com

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@edithdeguzman.bsky.social, @fkearns.bsky.social and I came up with a "menu" that is included as a worksheet in the appendix to our "Water Systems’ Wildfire Fighting Capacities and Expectations" report released last week.

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The Eastern Rockies snowpacks are at 140-200% of normal levels, which will help break out of the drought cycle the region has experienced for much of the last 10 years.
Heavy snowfall in Alberta Rockies will help break cycle of winter droughts, experts say | Watch News Videos Online
Watch Heavy snowfall in Alberta Rockies will help break cycle of winter droughts, experts say Video Online, on GlobalNews.ca
globalnews.ca

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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

Genau… (und ja ich beziehe mich auch auf Berlin/ Brandenburg)
Ist in meinem Post aber nur der Dezember dargestellt, der wirklich krass trocken war.

Aber tatsächlich war das gesamte Jahr 2025 auch unterdurchschnittlich nass und überdurchschnittlich warm, aber jeweils nur leicht (im Mittel, regional natürlich teils sehr unterschiedlich)

Reposted by Doerthe Tetzlaff

Ist in meinem Post aber nur der Dezember dargestellt, der wirklich krass trocken war.

Aber tatsächlich war das gesamte Jahr 2025 auch unterdurchschnittlich nass und überdurchschnittlich warm, aber jeweils nur leicht (im Mittel, regional natürlich teils sehr unterschiedlich)

Ich finde es immer interessant, wie weit die Wahrnehmung in der Bevölkerung und die Realität auseinander liegen. Die meisten werden sagen, was 2025 für ein nasses, regnerisches Jahr war 😳
Monatsrückblick 🌧🌡️ Dezember 2025:

links:
Niederschlagsmenge in Prozent zum langjährigen Mittelwert
rechts:
Abweichung der Temperatur vom langjährigen Mittel.

👉 Im ⌀ 3,5°C zu warm. Und überall (!) viel zu trocken. 😐

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Monatsrückblick 🌧🌡️ Dezember 2025:

links:
Niederschlagsmenge in Prozent zum langjährigen Mittelwert
rechts:
Abweichung der Temperatur vom langjährigen Mittel.

👉 Im ⌀ 3,5°C zu warm. Und überall (!) viel zu trocken. 😐

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»Wer heute zwanzig Jahre alt ist, kennt vielleicht gar keine singenden Feldlerchen mehr. Für diese Generation ist die stumme Agrarlandschaft normal. Sie vermisst nichts, weil sie nie erlebt hat, was da mal war. Mir geht das auch so.«
👉 @schreibersnaturarium.de: steady.page/de/jasminsch...
Die Natur, die wir vergessen, zu vermissen
🪶 Feldlerchen, Kiebitze, Insekten: Vieles verschwindet, ohne dass wir es merken oder vermissen. Ein Text über schleichenden Verlust und unsere verschobene Wahrnehmung.
steady.page

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Only 19% of peatlands are in protected areas — and many still face drainage and degradation.
True protection needs laws, enforcement, and inclusion of Indigenous Peoples, local communities, and women in management.

📚For more info Check Global Peatland Hotspot Atlas
www.unep.org/resources/re...

Reposted by Doerthe Tetzlaff

West Papua Indonesia Earth's oldest living eco system existing for at least 70 million years

Look at the 292 square Kilometers of ancient forest cleared in just 21 months

Now army brought in to fast track 5 million more acres

www.ft.com/content/27a6...

I totally believe this ! Also happens towards (Fenske ca male) Editors …
Experimental evidence that students are more likely to contest grades when they are delivered by an evaluator with a female-sounding name.

"These findings suggest that women in evaluative positions face disproportionate resistance when delivering negative assessments."

Reposted by Doerthe Tetzlaff

Thousand of bulldozers on the way to flatten over 5 million acres of forest in West Papua and this is just one ship
Such is the rush that even the Indonesia army has been brought in to speed up the deforestation
A shameful day for Indonesia and the world

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Christmas Day sunrise.

Have a wonderful day one and all 🥰

View upriver from the croft to the Torridon mountains, 09.30.
Experimental evidence that students are more likely to contest grades when they are delivered by an evaluator with a female-sounding name.

"These findings suggest that women in evaluative positions face disproportionate resistance when delivering negative assessments."

Reposted by Doerthe Tetzlaff

Our latest post to Substack. 🌐🧪
Arctic Freshet Pulses Drive Outsized CO₂ Losses From Headwater Networks
A tundra stream near Utqiagvik is wider than it was yesterday.
bit.ly

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Attend #EGU26 without a registration fee😮?

If you have physical or mental #disabilities, are chronically ill or have faced barriers attending a #meeting, you can now participate in our Accessibility and Inclusivity Advisory Group by 23 January 2026.
👉: egu.eu/9PXKSQ
📸: Daniel Hölbling on #imaggeo

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Wie kommt das Böse in die Welt? Akademiepräsident @markschies.bsky.social im Gespräch mit L.I.S.A (Gerda Henkel Stiftung) über eine fundamentale Frage der Menschheit.
lisa.gerda-henkel-stiftung.de/zu_gast_bei_...
Die Gnosis. Wie kommt das Böse in die Welt? | L.I.S.A. WISSENSCHAFTSPORTAL GERDA HENKEL STIFTUNG
Warum gibt es das Böse? Auf diese fundamentale Frage der Menschheit hatten die Anhänger der Gnosis eine nur auf den ersten Blick einfache Antwort: Neben den absolut guten Gott setzten sie eine zweite,...
lisa.gerda-henkel-stiftung.de

Happy Midwinter! Days getting longer now again!
Happy midwinter! Solstice blessings!
A beautiful, rich & peaceful sunset to mark the end of the shortest day.
📷 were taken from an old post at the top of the Seaweed Road South Erradale. This spot features in my book Windswept. It was here that wildness came to visit & skies danced with magic.

Reposted by Doerthe Tetzlaff

Happy midwinter! Solstice blessings!
A beautiful, rich & peaceful sunset to mark the end of the shortest day.
📷 were taken from an old post at the top of the Seaweed Road South Erradale. This spot features in my book Windswept. It was here that wildness came to visit & skies danced with magic.

Reposted by Doerthe Tetzlaff

Despite the escalating threats to rivers, 2025 brought real progress worth celebrating. To highlight the positive strides being made across the country, we’ve curated a list of our biggest river successes from this past year – Read below! www.americanrivers.org/2025/12/10-b...
10 Big Wins for Rivers in 2025
Despite the escalating threats to rivers, this past year brought real progress worth celebrating. To highlight the positive strides being made across the country, we’ve curated a list of 10 exciting w...
www.americanrivers.org

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UFZ @ufz.de · 26d
Die #UFZ Wissenschafter:innen um Andreas Marx blicken in ihrem #Dürre Jahresrückblick auf 12 Monate voller zeitlicher und räumlicher Kontraste zurück.
Mehr Infos hier: www.ufz.de/index.php?de...

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Give yourself an early Christmas gift. Submit an abstract to next summer's Biogeomon: bit.ly/biogeomon_ab... 🌐🧪

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Meet the people who are Advancing Critical Zone Science Across Sites, Scales, and Disturbances Scales and Disturbances. Visit them and talk about their research in the #AGU25 poster hall this morning: bit.ly/AGU25_H31L 🌐🧪

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3:45–4:15 PM CT — Wiley Booth #207
 Meet the editors & enjoy ice cream!

🛍️ AGU Store — All Day 
Exclusive swag: Pelican mascot, apparel, drinkware & more.

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Day 3 of #AGU25 in New Orleans!
 Another day of learning, inspiration, and connection across science, policy, and community.
Neue Studie: Moor-Emissionen doppelt so hoch wie geschätzt 🌍 Entwässerte Moore in der EU stoßen jährlich 232 Megatonnen CO₂-Äquivalent aus. Eine Hotspot-Karte zeigt, wo Schutz und Wiedervernässung am dringendsten nötig sind 🌱

#Klimaschutz #Nachhaltigkeit #Forschung

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I keep seeing articles about 'rebuilding trust in science'

They all focus on changing how science is carried out, but mistrust in science isn't the result of what scientists do - it has been manufactured by the science denialism industry

Science isn't the problem, the forces of anti-science are