Changes between Version 33 and Version 34 of ESM2025-N-cycle/Meetings


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Timestamp:
11/28/23 15:10:27 (7 months ago)
Author:
klaurent
Comment:

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  • ESM2025-N-cycle/Meetings

    v33 v34  
    22 
    33[[PageOutline]] 
     4 
     5=== On Wednesday, 22th November === 
     6With everyone. 
     7 
     8Comparison of lifetimes between run of Prather with and without nudging. 
     9Try to understand results for the coupled model (fully coupled, only ocean/atmosphere coupling, only land/atmosphere coupling, no coupling). It stresses on the initial state (restarts). 
     10 
     11__//**TO DO**//__ 
     12   * Interpolate the oxidants in the CMIP6 simulation using Olivier's script, 
     13   * Run simulation of Prather with these oxidants, 
     14   * Run simulation with Prather advective scheme (no nudging), 
     15   * See if a stable initial state for the ocean exists (with Christian and Marion). 
     16 
     17=== On Thursday, 16th November === 
     18With Anne, Didier, Nicolas and Juliette. 
     19 
     20Back to Prather's results. We are within the range of the other models in terms of lifetime. The evolution of mean annual total loss is also comparable to that of the other models, although we don't have the same spread. No significant difference with the N2O concentration à 10hPa. 
     21Shows some results on coupling with the ocean and atmosphere. A first test gives oceanic fields in good agreement with offline test. 
     22 
     23__//**TO DO**//__ 
     24   * Compare preindustrial runs offline and with land coupling, 
     25   * Compare difference between preindustrial runs and spinup.prather run, 
     26   * Run spinup.prather without nudging, 
     27   * Write the milestone for the end of November. 
     28Anne has to look at the choice of advective scheme (Van Leer and/or Prather) in LMDZ and find out about interpolated oxidants. 
     29 
     30=== On Thursday, 9th November === 
     31With Nicolas, Anne, Juliette and Didier. 
     32 
     33Results of Prather's simulation. Comparison with the figures in the article (the first ten years are considered as a spin-up). Interrogation of the different models presented in the article. 
     34 
     35__//**TO DO**//__ 
     36   * Continue run until 2019, 
     37   * Try to make figures with a transparent background in order to better compare lifetimes and annual total loss, 
     38   * Understand the article better (how lifetimes are calculated, difference between c29 & 36 + UCI vs Oslo,..), 
     39   * Keep in mind to put INCAFLX on a svn repository (with Maureen's modif, N,,2,,O modif and possibly do the same for NOx). 
     40 
     41=== On Friday, 20th October === 
     42With Anne, Marion, Didier and Nicolas. 
     43 
     44On the Prather's run, firsts results (3years) with N,,2,,O atmospheric concentration at 10hPa, N,,2,,O profiles and mean total loss. To obtain better results and because lifetime of the first year is very high, it would be preferable to start with data from the second year. 
     45For comparison, we can also run the same simulation without nudging. 
     46 
     47__//**TO DO**//__ 
     48   * Run a non nudged simulation, 
     49   * Play with ipslcm (same as prather, coupling with ocean...), 
     50   * Continue Prather's simulation (with Didier's files after 2014). 
    451 
    552=== On Friday, 13rd October ===