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    # OGGM Open Meeting ###### tags: `oggm` `meeting notes` About the format: - **Flash updates**: quick round of short updates (~2 minutes), request of additional agenda items for longer discussions - **Group agenda points**: longer, open discussion points of the day. Could be something that needs input from all participants, a discussion about model choices, or a prepared presentation from one of the members. Note that **our goal is to keep "Flash updates" + "Open agenda" under one hour** in order to keep a dynamic meeting. - **Specific discussion:** more technical items that may not be of interest to everyone (e.g. about a specific problem, master thesis, etc.). These will take place after the official part. - **Action items**: what needs to be done after the meeting and by who - **Move to next meeting**: items that couldn't be discussed this time # Call: 2021-02-03 ### Participants Please sign in below so we know who will be/was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug ### Flash updates ### Group Agenda Points ### Action items # Call: 2021-01-20 ### Participants Please sign in below so we know who will be/was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Melissa Mengert / University of Bremen - Forrest Schoessow / Byrd Polar & Climate Research Center – Ohio State U. / @skogar - Hamid Mojtabavi / University of Bremen /@Hamid Mojtabavi - Lilian Schuster / University of Innsbruck / @lilianschuster - Larissa van der Laan / Hannover University / @lvdlaan - Jan-Hendrik Malles / University of Bremen / @jmalles - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Anouk: - The global single, control and fully forced SMB simulations over the last millennium are finished. (CESM-LME is being used as forcing) - The 3 dynamic fully forced global dynamic simulations over the last millennium are also finished. - Submitted an abstract to EGU session *CL1.1 Studying the climate of the last two millennia*. - Melissa: - Submitted abstract to session CR3.5 - preparing plots for 1st paper (early stage) - starting with OGGM tutorials (finally) - Forrest: - wrapping up sensitivity tests of factors influencing ice thickness inversion estimates - evaluating ice thickness inversion estimates using GPR transects - group is beginning to explore interactivity between OGGM & pyGEM mass balance module - Co-PI of group has growing interest in OGGM/pyGEM, but is mainly familiar with physically based energy balance models (e.g. github.com/regine/meltmodel). He seeks to explicitly test/measure the influence of more surface energy components (principally, the radiative fluxes) during transient simulations. Obvious issues here w/ empirical TI model framework... - Impossible? Alternatives? Any thoughts? - Hamid: - Still working on spatial distribution of debris - Lilian: - Submitted abstract to session CR3.5 - working on calibrating OGGM mb module with geodetic data and applying bayesian inference with PyMC3 - Larissa - Submitted abstract to session CL2.5 - Working on bias correction decadal runs - Jan: - Soon starting with paper on frontal ablation's influence on global/regional projections - Fabien: - Sent an abstract to EGU about the new simulations ran with MAGICC forcing - Would still like to do an OGGM release but doesn't manage ### Group Agenda Points - Forrest presented the latest results on sensitivity experiments # Call: 2021-01-06 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Nicolas Champollion / IGE lab of Grenoble / @nchampollion - Lilian Schuster / University of Innsbruck / @lilianschuster - Julia Eis/ University of Bremen/ @juliaeis - Jan-Hendrik Malles / University of Bremen / @jmalles - Fabien Maussion / University of Innsbruck/ @fmaussion - Larissa van der Laan / University of Hannover / @Lvdlaan - Forrest Schoessow / Byrd Polar & Climate Research Center – Ohio State / @skogar - Tal Shutkin / Byrd Polar & Climate Research Center – Ohio State ### Flash updates - Anouk: - Started global simulations for the last millenium with different forcings. - Nico: - Master trainee starting in February working on the comparison between Elmer/Ice glacier model and OGGM on Mont-Blanc area - Lilian: - uploaded a mb_module with different options into a new github repository with some analysis and tests (https://github.com/OGGM/massbalance-sandbox) - working on an abstract for EGUv21, but I don't have any results, so it will be rather describing the plan - Julia Eis: - will work again on CO2 response time functions and hopefully do some equilibrium runs with OGGM before maternal leave (from 29th January onward) - How easy is it to run OGGM with CMIP6 at the moment? - Jan: - still working on revisions of reconstruction paper - probably going to work on a paper on global frontal ablation with Fabien and Ben, since Canada stay will be somewhat postponed - Fabien - more work with Dave Rounce on OGGM/PyGem compat - monster PR finally merged, unfortunately no doc / release yet - CMIP6 runs submitted - Larissa - teaching & unrelated paper - bachelor thesis student started with OGGM - EGU abstract decadal SMB forecasts - Forrest, Tal, & OSU gang - working on paper describing OGGM calibration in tropical setting - testing sensitivity of ice thickness estimates to DEM, outlines, & other subjective human-made decisions in the workflow (e.g. A factor, etc.) - using Byrd Polar GPR transects & historical glacier outline database to evaluate ice thickness output ### Group Agenda Points - CMIP6 runs updates + discussion calving (Fabien) ### Action items - write in which session you like submit your EGU abstract in the general slack channel # Call: 2020-12-09 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Julia Eis/University of Bremen/@juliaeis - Jan-Hendrik Malles / University of Bremen / @jmalles - Lilian Schuster / University of Innsbruck / @lilianschuster - Hamid Mojtabavi / University of Bremen /@Hamid Mojtabavi - Li Fei / Institute of Tibetan Plateau Research / @Keeptg - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Anouk - Faster CESM-LME climate preprocessing - Julia - successfully defended my PhD thesis - now working on the review for the validation paper of real-world reconstructions - Jan - Fiddling with ice flow at water boundary - Lilian - implemented mb modules with optional use of daily temp_std and of variable temperature gradients, calibrated and applied to Huss flowlines of all Alpine reference glaciers - in the process of implementing mb module that uses real daily data for comparison - Li Fei - use a new climate dataset named the China Meteorological Forcing Dataset (CMDF) in OGGM - have a try to calibrate the mass balance model on glacier per glacier based on the geodetical mass balance data of Shean(2020) - Fabien - Still working on major "WIP" PR. Updates to many aspects now, not getting much closer to merge :-( https://github.com/OGGM/oggm/pull/1099 ### Group Agenda Points - CMIP6: more to show in a couple of weeks! # Call: 2020-11-25 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Tal Shutkin / Byrd Polar and Climate Research Center – Ohio State University - Larissa van der Laan / University of Hannover / @lvdlaan - Nicolas Champollion / Institut des Géosciences de l'Environnement / @nchampollion - Pierre-Marie Lefeuvre / Norwegian Polar Institute - UNIS / @pmlefeuvre - Li Fei / Institute of Tibetan Plateau Research / @Keeptg - Forrest Schoessow / Byrd Polar and Climate Research Center – Ohio State University / @skogar - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Larissa results (and struggles) of decadal CMIP5 forcing - Anouk - Looking into how to make the preprocessing of the CESM-LME climate faster - Li Fei - Finally finished my paper draft - Forrest - Byrd Polar group focused on OGGM calibration & validation metrics for tropical Andes (DEM, outlines, inversion params) - Fabien - Very focused week working on big OGGM PR: https://github.com/OGGM/oggm/pull/1099 - Still WIP, but many improvements in workflow and some first global comparisons, working with CMIP6 now possible, etc. - Summary for the group discussion? ### Group Agenda Points - Larissa presented glacier simulations forced decadal CMIP5 - Overview by Fabien on the https://github.com/OGGM/oggm/pull/1099 pull request # Call: 2020-11-11 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Nicolas Champollion / Institut des Géosciences de l'Environnement / @nchampollion - Larissa van der Laan / University of Hannover / @lvdlaan - Julia Eis / University of Bremen/@juliaeis - Fabien Maussion / University of Innsbruck/ @fmaussion - Jan-Hendrik Malles / University of Bremen / @jmalles - Hamid Mojtabavi / University of Bremen/ @Hamid Mojtabavi - Forrest Schoessow / Byrd Polar & Climate Research Center (Ohio State) / @schoessow - Tal Shutkin / Byrd Polar & Climate Research Center (Ohio State) - Matthias Dusch / University of Innsbruck / @matthiasdusch - Lilian Schuster / University of Innsbruck / @lilianschuster ### Flash updates - Anouk - Why can my single forced SMB test simulations not be added up for the Arctic in recent times? - Larissa - Non-OGGM related paper, CMIP5 decadal runs - Fabien: - short report about EU polar week - short report about GlacierMiP meeting - still fighting with inversion related problems, good interactions with David Rounce - Glacio Hack tomorrow and Friday: https://github.com/GlacioHack - Jan: - Back to OGGM; experimenting with idealized glacier - Nico: - Permanent researcher position at IGE lab in Grenoble, France ! - Matthias: - Will start a new job next week! - Lilian: - nothing OGGM-related - Working on PhD with alternative SMB models in OGGM - Forrest Schoessow: - Ohio State PhD student working with Bryan Mark. A whole group of people at Byrd are looking into various models of glacier evolution (OGGM, PyGEM, DBEM...). ### Group Agenda Points - Meeting time for US based OGGM friends? - Anouk showed control simulations figures. ### Action items - Nico and Fabien meeting next week + CMIP6? - Is HackMD laggy somehow? I put the very old notes in [another doc](https://github.com/fmaussion/hackmd-notes/blob/master/OGGM-Notes-Legacy.md), it looks faster now. - Fabien and Anouk will discuss and communicate a new meeting time based on what was discussed during the meeting # Call: 2020-10-28 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Larissa van der Laan / University of Hannover / @lvdlaan - Madlene Pfeiffer / University of Bremen / @mpfeiffer - Julia Eis/ University of Bremen/ @juliaeis - Hamid Mojtabavi / University of Bremen/ @Hamid Mojtabavi - Jan-Hendrik Malles / University of Bremen / @jmalles - Lilian Schuster / University of Innsbruck / @lilianschuster - Li Fei / ITP-CAS / @Keeptg - Melissa Mengert / University of Bremen / @Melissa - Beatriz Recinos / NOC / @bearecinos ### Flash updates - Short introduction round of everyone. - Anouk: - New approach to checking if my single forced results add up to the fully forced results, in the test simulations - Larissa: - CMIP5 decadal forecasts to force OGGM - Julia: - preparing my Phd defense - Jan - submitting paper this week, then back to OGGM :-) - Lilian - I am working on including a kind of "daily" melt model by using monthly mean and daily standard deviation and assuming a gaussian temperature distibution - however, at the moment I am working again on the revision of a non-OGGM related manuscript - Li Fei: - still effort on the paper text, nothing new to share - Bea: - saying hello. Greenland paper update. # Call: 2020-10-14 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Anouk Vlug / University of Innsbruck / @anoukvlug - Julia Eis/ University of Bremen/ @juliaeis - Jan-Hendrik Malles / University of Bremen / @jmalles - Lilian Schuster / University of Innsbruck / @lilianschuster - Moritz Oberrauch / University of Innsbruck / [@oberrauch](https://github.com/oberrauch) - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Anouk Vlug: - Testing single forced simulations - Simulations with prescribed geometry - Julia: - SAVE THE DATE: 26.11.2020, 12:00- 14:00 will take place my PhD defence (hybrid: in person and online) - still working on CO2 response functions with BernSCM (a simple climate model) - plan to do many equilibrium runs with OGGM (not yet started) - Jan: - still nothing new concerning OGGM... - Lilian: - nothing new just trying to think Bayesian - I am working on implementing the Bayesian framework into OGGM, starting first with Hintereisferner and only using mustar as free parameter - Moritz: - ACF, PACF and PSD for time series analysis - Fabi: - Text on Matthias - Working on update of pre-processed directories - found a way to connect jupyter remotely on the cluster # Call: 2020-09-30 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Matthias Dusch / University of Innsbruck / @matthiasdusch - Anouk Vlug / University of Innsbruck / @anoukvlug - Jan-Hendrik Malles / University of Bremen / @jmalles - Julia Eis/University of Bremen/ @juliaeis - Li Fei / ITP-CAS / @Keeptg - Lilian Schuster / University of Innsbruck / @lilianschuster - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Matthias: Struggling with preindustrial climate simulations - Anouk: - I started doing simulations on the cluster to test some things. This included checking the effect in using the ensemble climatology instead of the ensemble member its climatology when aplying the anomaly method for a selection of glaciers. - Jan: nothing new concerning OGGM - Julia: nothing new regarding oggm - Li Fei: - Simulated the glacier change with different temperature and precipitation bias (A cooperative work) - Calibrating inversion thickness model in Tian Shan - Training about filed work and glacier rescue - Lilian: nothing really new, but started to introduce myself a bit more into Machine Learning and Bayesian Methods - e.g. went through this illustrative jupyter-notebook "book": https://camdavidsonpilon.github.io/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/ (they use the same package 'pymc' as in David Rounce' PyGEM Bayesian approach) - Fabien: - new laptop, unravelled a couple of maintenance tasks for OGGM # Call: 2020-09-16 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Matthias Dusch / University of Innsbruck / @matthiasdusch - Anouk Vlug / University of Innsbruck / @anoukvlug - Li Fei / ITP-CAS / @Keeptg - Lilian Schuster / University of Innsbruck / @lilianschuster - Julia Eis/ University of Bremen / @juliaeis ### Flash updates - Matthias: - Back from vacation - New OGGM office mates - Anouk: - Started in Innsbruck - Played for the first time with the Bremen cluster - Did some simulations forced with the CESM-LME starting in 1850 CE - Li Fei: - Tried simulating ice thickness by using exponential MB profile - Paper text - Lilian: - PhD proposal submitted last saturday together with Fabien - thinking about which courses I could take - Julia: - code cleaning/example writing of initialization module - slowly starting the "new" project # Call: 2020-09-01 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Fabien Maussion / University of Innsbruck/ @fmaussion - Lilian Schuster / University of Innsbruck / @lilianschuster - Julia Eis/ University of Bremen/ @juliaeis - Anouk Vlug / University of Innsbruck / @anoukvlug - Jan-Hendrik Malles / University of Bremen / @jmalles - Li Fei / ITP-CAS ### Flash updates - Fabien: - Lilian PhD project final round - UIBK part of EU H2020 proposal submitted yesterday - Lilian: - PhD officially started by university fellowship - finalising PhD project proposal for ÖAW-DOC fellowship - Julia: - submitted the comparison paper to Frontiers in Earth Science - finally submitted the thesis (defense will most probably take place mid/end November) - Jan - working on code - Li Fei - (DEM - COPDEM) Glacier change from topo data - Anouk - Arrived in Innsbruck ### Group Agenda Points - Code within or outside of OGGM ### Action items # Call: 2020-08-19 ### Participants Please sign in below so we know who was here: Name / Institution / @GitHub handle (optional) - Matthias Dusch / University of Innsbruck / @matthiasdusch - Moritz Oberrauch / University of Innsbruck / [@oberrauch](https://github.com/oberrauch) - Patrick Schmitt / University of Innsbruck / [@pat-schmitt](https://github.com/pat-schmitt) - Fabien Maussion / University of Innsbruck/ @fmaussion ### Flash updates - Matthias: - see below - Fabien: - High school student Josie had a look at OGGM-Edu - Lilian PhD project - Moritz: - Alpine runs on Cluster comparing the volume/area scaling model to the flowline model; scaling underestimates volume change in response to +/- 0.5°C step change; normalized volume change +/-20% with scaling and +60%/-40% with flowline. ### Group Agenda Points - Matthias: presentation of ensemble results: HISTALP reconstructions since LIA, commitment runs and projections ### Action items ## Older notes See https://github.com/fmaussion/hackmd-notes/blob/master/OGGM-Notes-Legacy.md

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