Michael Meier

Finally published! New article shows that earlier onset of temperate tree leaf senescence in warmer years may be due to aging and stress rather than photosynthetic activity. (doi.org/10.5194/gmd-18…)

Heading back from #EGU24 where I was delighted to present my poster, meet old friends and make new ones in our European phenological community meetingorganizer.copernicus.org/EGU24/EGU24-18…

NEW RESEARCH Process-oriented models of leaf senescence are biased towards the mean: Impacts on model performance and future projections 📄 onlinelibrary.wiley.com/doi/full/10.11… @MichaelMeier_15 @ForEco_ETH @ETH_en

Spoiler alert! Models based on #temperature, day length, and leaf unfolding performed best, especially when calibrated with generalized #simulatedAnnealing and systematically balanced or stratified samples. Projected leaf coloration shifts between −13 and +20 days by 2080–2099.

New study! We analyzed how #processOriented models of autumn leaf #phenology are best calibrated, studying >2.3 million calibrations, and 39 million projections of 21 leaf coloration models with 5 optimization algorithms and 26 climate scenarios. gmd.copernicus.org/articles/16/71…

Congratulations Dr. Michael Meier ! 🎉 we are looking forward to follow your next steps in the phenology world

New pre-print!
Process-oriented models of autumn leaf phenology: ways to sound calibration and implications of uncertain projections.
egusphere.copernicus.org/preprints/2023… 1/3