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Peter van Oevelen
TimeItemPresenterComments
08:30 – 09:30Pan-GEWEX PlanningJan Polcher, Xubin Zeng and Peter van Oevelen

A pan-GEWEX plenary session is planned for the Monterey pan-GASS workshop. This session will revolve around 3 themes:

  1. Energy & Water cycle at regional scales
    1. covering natural and managed environments
    2. quantifying the different fluxes and reservoirs (with uncertainties)
    3. in which regions will closure point to emerging processes
    4. monthly to multidecadal and basins to continental
    5. connection to the carbon cycle
  2. km-scale observations and modelling of Earth system
    1. from current resolution to km-scale: what are the structural changes
    2. processes and reservoirs resolved at km-scale
    3. confronting models and observations at high resolution
    4. diurnal scales and extremes (gradients, patterns, intensities)
    5. impact on biosphere and carbon cycle
  3. Mesoscale organisation of convection
    1. Impact on water and energy fluxes
    2. role of surface-atmosphere processes interactions
    3. role of extremes 

Satellite agencies representation will be on Tuesday/Wednesday.

10:30 – 11:00WCRP HydrologyJan Polcher

WMO 2019 Council projected a vision for Hydrology.

The vision and action plans stated:

  • No one should be caught by surprise of an upcoming flood
  • Everyone should be prepared for droughts

GEWEX commented on the importance of having an Earth System perspectives and embrace climate change effects.

Gianpaolo Balsamo mentioned the GFP led by EC (JRC contact Peter Salamon; ECMWF link Christel Prudhomme )

11:00 – 11:30Global Precipitation Experiment (GPEX)Xubin Zeng

The GPEX (Global Precipitation Experiment) has been initiated by NOAA and US branch of GEWEX. WCRP has mandated a tiger-team to write a white paper on how to address major gaps in precipitation. A plot showing NOAA skill score for precipitation not significantly evolving for over 20-years in Equitable Threat Score animated the discussions.

11:30 – 12:00CyclesJan Polcher

Cycles is a new proposed activity to embrace full cycles of CO2 as well as Water & Energy. Pierre Friedlingstein for GCP. GEWEX expertise on Earth Energy Imbalances. 

A concrete step is to set a questionnaire to WCRP core programs and build an Earth System view. 

13:e0 – 15:00GEWEX Strategic Direction and ActivitiesJan Polcher and Xubin Zeng

Panels report are going to be due to the SSG members and rapporteurs need to send by  . Rapporteurs are SSG members 

Maria Piles & German Poveda GDAPRuby , Ruby Leung GASSBob , Bob Su & Gianpaolo Balsamo GLASSMike , Mike Bosilovich GHP

15:30 – 16:00 Any Other TopicsJan Polcher, Xubin Zeng and Peter van Oevelen16:00 – 17– 16:30Summary Action Items RecommendPeter van Oevelen17:00 – 17:30Wrap-up

Next GEWEX SSG meeting, Seul