Meeting Notes 2026 Science - ESCOMP/CTSM GitHub Wiki

June 11

Updates and Announcements (10 minutes)

  • Welcome:

  • Wins:

    • Sam Rabin received a CISL Special Recognition Award for Collaboration in Advancing CI/CD Across NCAR

  • Announcement:

    • CESM workshop next week
    • CLM tutorial: November 16-20
      • Cap 60 people?
      • No funding to support travel, lodging, ground transportation or food.
      • Will require ~$100 registration fee

Data Nugget (10 minutes)

Nazanin Tavakoli

  • Using a machine learning algorithm to look at the mismatch between model and observations in evaporation–soil moisture regimes.

May 21

Updates and Announcements (10 minutes)

  • Welcome:

    • Carolina Corcuera, SOARS from Stony Brook
    • Je-Yu (Leo) Chou, CI-Compass
    • Nazanin Tavakoli, from GMU
    • Max Bouman, from DLR

  • Wins:

  • Announcement:

    • Documentation Party III: Thursday, May 28

Alice DuVivier

  • CESM 3 simulations with focus on polar BGC & Arctic geoengineering experiments
  • Interest in the LWMG? Also, what land output should we save?

Shuyue Li

  • Water use efficiency of real world vegetation and vegetation in CLM

May 14

Updates and Announcements (10 minutes)

  • Welcome:

  • Wins:

    • Will: NSC Allocation for WIE-MIP simulations awarded
    • Sam R: NASA Biocrust project funded!
    • CTSM PR #4000 made last week, which included a number of documentation PRs

  • Announcement:

Data nugget:

CLM6 simulations & papers

April 30

Updates and Announcements (10 minutes)

  • Welcome:
  • Wins:
    • PR made to complete the FATES-CLM nitrogen coupling!
    • Documentation party 2 successful
    • WIEMIP runs with Hillslope hydrology look like a reality.
  • Announcement:

Data nugget:

  • How do we calculate crop yields in CESM 2.2? Forum Post

Maoya Bassiouni

  • New water stress function with intermediate complexity between BTRAN and plant hydraulics.

April 16

Updates and Announcements (10 minutes)

  • Welcome:
  • Wins:
    • Documentation working session successful, thanks Erik, Sam, & Sam
  • Announcement:
    • Ying Sun new external co-chair
    • Documentation Collaboration II April 23 1-4.

Land Predictability, initialization and ESPAT involvement, Meg.

March 26

Updates and Announcements (10 minutes)

  • Welcome:

  • Wins:

    • LMWG and BGCWG > 140 registered and > 40 talks
    • WIE-MIP funding awarded. Congratulations, Dave!

  • Announcement:

Data Nugget:

  • Generic Crops parameter choice

Methane, hillslope and documentation

  • Developing slide deck is here.
  • Rough methane calibration
  • Preliminary hillslope hydrology results
  • Documentation updates

Feb 12

Updates and Announcements (10 minutes)

  • Welcome:
  • Wins:
    • LMWG and BGCWG > 100 registered and > 40 talks! Draft agenda posted
    • FATES one at a time paper led by Adrianna accepted in JAMES
  • Announcement:
    • OK to be assigned as moderators for LMWG / BGCWG meetings?

Data Nugget: Katie Rocci - aligning field and model experiments

CESM fire tunings and parameter discussion

Feb 5

Updates and Announcements (10 minutes)

  • Welcome:
  • Wins:
  • Announcement:
    • Renewed parallel work session Weds Feb 11 2-4
    • (Hybrid, join to work on CTSM with others in same space to ask questions of)
    • (We will try a format of:
      • Start with asking what you'll be working on
      • Everyone works in parallel on their thing
      • Ask questions of people in the room
      • Have a room for a small group to work on the same thing together if applicable
      • At the end talk about any small wins they made in progress for their task
    • (Let us know how to make this useful/attractive for you to come)

Data Nugget: Generic crop parameters

Current status and ideas forward for land C cycle in CESM3

Jan 22

Updates and Announcements (10 minutes)

  • Welcome:

  • Wins:

    • Keith's Dew PR merged
    • Sam L is testing a crop bug fix
    • Greenland snow hole filled
    • CUPiD runs both LDF and ILAMB on regular grids sample here. Tutorial development underway.

  • Announcements:

Fig 1 discussion

Jan 8

Updates and Announcements (10 minutes)

  • Welcome:

  • Wins:

    • Baby Kate arrived, congrats to Ruth & Daniel!
    • Katie Rocci and Teagan King have both taken new positions
    • Katya's paper on plant trait uncertainty out in New Phyt
    • 5.4 release tag, based on 5.4.002 (see What's New in 5.4)
    • CESM alpha08a tag, based on 5.4.003 (Fire, crop, and PPE tunings)
    • Historical BGC-Crop simulations based on 5.4.004
    • FATES JSON parameter files in 5.4.005

  • Announcements:

Potpourri: questions and updates