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ESM2025 @esm2025.bsky.social · 13m

Transient attribution of global lake methane emissions.

By Maoyuan Feng @ulbruxelles.bsky.social

ESM2025 @esm2025.bsky.social · 13m

Towards methane emission driven simulations with ICON-XPP
By Stiig Wilkenskjeld (MPI-M)

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ESM2025 @esm2025.bsky.social · 13m

Interactive ice sheets with Elmer/Ice in the IPSL climate model
by Lucas Bastien @igegrenoble.bsky.social

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ESM2025 @esm2025.bsky.social · 13m

New ESMValTool capabilities for the evaluation of novel emission-driven Earth System Models,

By Julien Lenhardt from SMHI

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ESM2025 @esm2025.bsky.social · 13m

"The Emissions-Driven Legacy of ESM2025"
A great legacy, we're proud of!

By @benjaminsanderson.bsky.social @cicero.oslo.no

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ESM2025 @esm2025.bsky.social · 13m

Kicking off talks on our Core Theme 2 (Enabling & exploring new couplings between Earth system components research) with a key research output:
Keynote #2-Multi-model assessment of the coupled CH4 cycle
by Martin Cussac (#CNRM @meteofrance.com @cnrs.fr).

+ CT2: bit.ly/3Ntn3zL
#ESM2025inToulouse

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ESM2025 @esm2025.bsky.social · 1h

Back from our vegan lunch — espresso kicks in.

Two rooms, two workshops:
•TCRE- @chrisd-jones.bsky.social @metoffice.gov.uk
•ESM Challenges: Complexity, Resolution & AI - chaired by Colin Jones @universityofleeds.bsky.social with presentations for various ESM2025 researchers.

#ESM2025inToulouse

ESM2025 @esm2025.bsky.social · 5h

Emerging model bias: Models fail to simulate temperature and energy imbalance ‘correctly --> Updated constraint: Constraints based on observed temperature and energy imbalance.

By Gergana Gyuleva @ethz.ch

ESM2025 @esm2025.bsky.social · 5h

"In this study, we integrate agricultural management and productivity information from REMIND-MAgPIE into LPJmL to assess its relevance for projections of future land-use change emissions."

By Jens Heinke @pik-potsdam.bsky.social

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ESM2025 @esm2025.bsky.social · 5h

"Results are cast in a variety of decision analysis frameworks ranking acts according to their utility derived from economic welfare & amount of 1.5°C overshoot.Preferred mitigation pathways show greater emissions reductions than would emerge from the traditional IAM approach"
By Elmar Kriegler(PIK)

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ESM2025 @esm2025.bsky.social · 5h

"These large diffs. stemming from a single(..)source of uncertainty highlight risk of relying on negative land use change emissions to achieve climate targets, but also challenges on communicating relevant uncertainties across IAM-ESM model. communities"

By Gabriel Abrahão @pik-potsdam.bsky.social

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ESM2025 @esm2025.bsky.social · 5h

"Simplified climate–carbon dynamics in idealized flat10MIP simulations"
By Victor Brovkin, from MPI-M

"May be nature is more non-linear than our models?"

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ESM2025 @esm2025.bsky.social · 5h

"Our results highlight the need to consider irreversibility and feedback asymmetries in assessing emission reduction strategies and underscore the complex role of negative emissions in climate mitigation." 📉🌊

By Hongmei Li from the Helmholtz-Zentrum Hereon

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ESM2025 @esm2025.bsky.social · 5h

We’re now following a set of presentations from Core Theme 3 — Linking ESMs & IAMs 🧵👇

CT3 is where we connected ESM and IAM communities to work together on improving robustness of mitigation choices.

More on CT3: bit.ly/3O0NrB5

#ESM2025inToulouse

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ESM2025 @esm2025.bsky.social · 6h

GA Day2 kicks off!☕☀️
Keynote#3 "RCMIP2-a framework for simple climate modelling in the IPCC 7th assess & beyond"

Why Coordinated Calibration Matters?
➡️It allows us to separate the influence of model structure from calibration choices.
@benmsanderson.bsky.social @cicero.oslo.no
#ESM2025inToulouse

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ESM2025 @esm2025.bsky.social · 17h

Us too, that futurist looking year of 2025 arrived incredibly fast!

Prof. Tatiana Ilyina @tatianailyina.bsky.social · 17h

Can’t believe it’s already the final GA of @esm2025.bsky.social
The project has been instrumental to advancing the representation of ocean 🌊 biogeochemistry in our new ICON-based Earth system model. The networking and collaborations have been invaluable!

ESM2025 @esm2025.bsky.social · 1d

👋Bonjour from Météo-France Campus, Toulouse!
We're starting our Final GA! Great to reunite with colleagues from across Europe to share what we've achieved during the 4.5 years of ESM2025. 🌐
Welcome by @smlmrn.bsky.social. Thanks to #CNRM @meteofrance.com @cnrs.fr

#ESM2025inToulouse kicks off! 🥳

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Reposted by ESM2025

Prof. Tatiana Ilyina @tatianailyina.bsky.social · 17h

Can’t believe it’s already the final GA of @esm2025.bsky.social
The project has been instrumental to advancing the representation of ocean 🌊 biogeochemistry in our new ICON-based Earth system model. The networking and collaborations have been invaluable!

ESM2025 @esm2025.bsky.social · 1d

👋Bonjour from Météo-France Campus, Toulouse!
We're starting our Final GA! Great to reunite with colleagues from across Europe to share what we've achieved during the 4.5 years of ESM2025. 🌐
Welcome by @smlmrn.bsky.social. Thanks to #CNRM @meteofrance.com @cnrs.fr

#ESM2025inToulouse kicks off! 🥳

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ESM2025 @esm2025.bsky.social · 20h

🎉End of Day 1: launch of the AR7 fast-track Rapid Eval. Framework (REF).A community-owned system for rapid, transparent diagnostics on CMIP7 output — built to support IPCC AR7. Presentation by the REF task team followed by a community meet-up.

@wcrp-cmip.org
#ESM2025inToulouse

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ESM2025 @esm2025.bsky.social · 1d

Now onto 2 collaborative workshops for the community:

📈 Improving the assessment of the transient climate response to cumulative CO₂ chaired by @chrisd-jones.bsky.social @uniofreading.bsky.social

📊: Model Selection workshop, chaired by Eleanor O'Rourke @wcrp-cmip.org

#ESM2025inToulouse

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ESM2025 @esm2025.bsky.social · 1d

Back from lunch at #ESM2025inToulouse!
"The REF is a complete end to end system providing a systematic & rapid performance assess. of the expected models participating in the CMIP Assess. Fast Track, supporting the next IPCC AR7 cycle."
Ranjini Swaminathan @uniofreading.bsky.social @wcrp-cmip.org

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ESM2025 @esm2025.bsky.social · 1d

Improving Earth System Models through simulations of past climate-carbon cycle feedbacks.

"Our results emphasise the crucial role of properly representing ocean circulation in the natural carbon cycle and highlight key areas for further development."

By Bo Liu @uni-hamburg.de

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ESM2025 @esm2025.bsky.social · 1d

"An energetically and observationally constrained mesoscale parameterisation for ocean climate models"

By Romain Torres #CNRM @cnrs.fr @meteofrance.com

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ESM2025 @esm2025.bsky.social · 1d

"Examining the fidelity of Leith subgrid closures in an eddy-permitting global model, NEMO ORCA025"

By @twilder.bsky.social @ncas-uk.bsky.social

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ESM2025 @esm2025.bsky.social · 1d

"Advancing Ocean Biogeochemistry in the ICON Framework: Challenges and Opportunities"

Recent advances, challenges faced, as well as opportunities discovered during the process are presented.

By @tatianailyina.bsky.social @uni-hamburg.de

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ESM2025 @esm2025.bsky.social · 1d

"This analysis aims to adapt our interpretations of historical run trends and, ultimately, to propose metrics to better constrain CMIP protocol."

By Rachel Seguy #CNRM @cnrs.fr @meteofrance.com

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