2019 GLASS Panel Meeting by invitation only

Aug 6 - 8, 2019 | Boulder, Co, USA


Meeting objectives:

  • Discuss, evaluate, and add to the GEWEX vision and mission as presented in the new Science Application and Traceability Matrix (SATM) recently shared by the SSG;
  • Share progress of existing projects;
  • Determine if there are weaknesses in the current portfolio of GLASS projects, exposing scientific questions and areas where we should be promoting active coordinated research projects.

Meeting agenda

Tuesday August 6

09:00 – 10:15 Report from SSG; where GLASS fits in GEWEX and WCRP; WCRP review and next-decade strategic plan; introduction of the SATM with discussion of the GEWEX mission and the GLASS mission (Mike, Kirsten, Paul, Peter)

Panel overview: SSG recommendation to increase efforts on surface/sub-surface hydrology and river flow; introduction of new schematic, new TOR document, discussion of panel makeup (Mike, Kirsten, Peter)


10:45 – 11:15 Update from SoilWat (Anne Verhoef)
11:15 – 11:45 Update from LoCo (Joe Santanello)
11:45 – 12:30 Update from PLUMBER and PALS (Gab Abramowitz)

Lunch break

13:30 – 14:30 Presentations from new members Nate Chaney and Samiro Khodayar

14:30 – 14:45 Evaluating the influence of model resolution and cumulus parameterization on spatial precipitation pattern in Eastern Kansas and Western Missouri (Josh Roundy)

14:45 – 15:15 Bedrock-to-Boundry Layer Effort (B2B) (Dave Turner and Tilden Meyers)


15:30 – 16:00 LAFE (Volker Wolfmeyer)
16:00 – 16:15 SCM work at NCAR (Grant Firl)
16:15 – 17:00 Begin covering cross-cutting activities:

  • GHP, ET crosscut (Craig Ferguson)

17:00 – 19:00 Reception in NCAR Atrium with drinks and finger food

Wednesday, August 7

09:00 – 10:00 Remote presentations:

  • iLEAPS (Eleanor Blythe)
  • LIASE, HyMEX, Urban-PLUMBER (Martin Best)
  • GASS (John Edwards)

10:00 – 10:45 Updates from LUMIP and ILAMB (Dave Lawrence)


11:00 – 11:45 Updates on GSWP3 and LS3MIP (Hyungjun Kim)
11:45 – 12:30 cross-cutting activities (continued):

  • CORDEX (Rachel McCrary)
  • S2S (Paul Dirmeyer)
  • WGNE/WMAC (Mike Ek)
  • SUBLIME (Aude Lemonsu, not in attendance; Mike to present)


13:30 – 13.45 Regional water security projections (Flavio Lehner)

Rest of the Afternoon: Discussion of potential new initiatives/areas of interest, including discussion of where these ideas/initiatives have overlap with other GEWEX panels and projects (introduced by person named in parentheses, but with open discussion by all)

  • Streamflow and runoff (Hyungjun Kim, Dave Lawrence)
  • Groundwater (Hyungjum Kim)
  • Hydrologic datasets: new global, gridded datasets for e.g., surface fluxes are becoming more prominent: can we provide information about strengths, weaknesses, applicability to different scales, etc? (Dave Lawrence)
  • Carbon-water coupling (Dave Lawrence)

Rest of the Afternoon: Discussion of potential new initiatives/areas of interest (continued).

  • Global hydrologic exchanges (Kirsten Findell)
  • Irrigation (and other) efforts at NASA (Patricia Lawson)
  • Land model benchmarking/PLUMBER-related:
    • Urban representation (Gab Abramowitz)
    • Anthropogenic water management
    • Data Assimilation (Sujay Kumar)
    • Cold season process (e.g. slide on LATICE from Yeliz Yilmaz)
  • Renewable energy at the land surface, e.g., wind and solar (mentioned by Chiel van Heerwaarden)
  • Mitigation efforts at the land surface, e.g., reduction of urban heat islands through greening of urban environments (Kirsten Findell)
  • GLASS interactions with GASS:
    • DICE follow-on (YES, Mike Ek)
    • LS4P (“Impact of Initialized Land Temperature and Snowpack on Sub-Seasonal to Seasonal Prediction”;Yongkang Xue/GASS –may be covered by John Edwards on Wednesday morning)
  • Begin discussion about the potential for a PROES initiative related to the boundary layer

18:30 – No-host dinner at Boulder Beer Company (within walking distance from NCAR and the Marriott Residence Inn).

Thursday, August 8


  • Revisit the SATM: edits, additions, expansions
  • Representation of GLASS efforts relative to questions asked
  • Discussion of a potential PROES related to the boundary layer: how would this go beyond current DICE-type activities? How to connect with relevant GASS folks?

Noon: meeting adjourn