GEWEX Hydroclimatology Panel CC Workshop: Determining Evapotranspiration by invitation only

Oct 8 - 10, 2019 | Sydney (NSW), Australia

AGENDA (Draft)


Tuesday 8 october

09:00 – 09:15 Welcome

09:15 – 10:30 Basic processes (Convener: Helen Cleugh)

  • On reference crop evapotranspiration; a proposal for a new definition – Henk de Bruin (ass. prof. emeritus, previously WUR), presented by Anne Verhoef (UR)
  • Direct measurements of evaporation from small to medium sized water bodies – Warren Helgason (USASK)
  • How soil properties affect surface evaporation – Dani Or (ETH)
  • The importance of evaporation dynamics – Eleanor Blyth (CEH)
  • Interception and multi-source energy balance modelling – Emma Robinson (CEH)

10:30 – 11:00 Coffee break

11:00 – 11:30 Basic processes (continued, Convener: Helen Cleugh)

  • Stomatal responses to increased CO2: implications for global-scale evapotranspiration – Martin de Kauwe (UNSW)
  • ET-induced mesoscale circulations between large irrigated areas and their dry surroundings – Joan Cuxart (UIB)

11:30 – 12:30 Discussion

12:30 – 14:00 Lunch Break

14:00 – 15:15 Process Modelling (Convener: Jan Polcher)

  • Observation and modeling of lake-air turbulent heat flux in lakes on the Tibetan Plateau – Bin Bin Wang (ITP-CAS)
  • Towards a physically based description of root water uptake in Landsurface models: Big root versus parallel root approaches – Jan Vanderborght (Jülich)
  • Multi-component transpiration modelling of dry tropical forest; verification for Caatinga forest in NE-Brazil – Anne Verhoef (UR)
  • CloudRoots: an integrated field experiment and modelling approach to study soil-plant-atmosphere interactions – Oscar Hartogensis (WUR)
  • Observation and simulation of nocturnal phase changes – Jannis Groh (Jülich)

15:15 – 15:45 Coffee break

15:45 – 16:15: Process Modelling (continued, Convener: Jan Polcher)

  • Evapotranspiration in the JULES land surface model – Toby Marthews (CEH):
  • Modeling Evapotranspiration in semi-arid regions – Aaron Boone (CNRM)
  • Plant profit maximisation and hydraulic acclimatisation predict European forest responses to drought – Manon Sabot (UNSW)

16:30 – 17:30 Discussion

Wednesday 9 october

09:00 – 10:30 Estimating ET 1 (Convener: Oscar Hartogensis)

  • The role of in situ ET observations in providing new insights into water and energy cycle variability – Ryan Teuling (WUR)
  • ET evolution along the drying transition season in a Mediterranean island – Joan Cuxart (UIB)
  • Scintillometry-Direct Measurements of Evapotranspiration at Field- to Landscape Scales – Oscar Hartogensis (WUR)
  • Global and regional evapotranspiration by a process-based model ETMonitor using multi-source satellite observations – Jia Li (RADI-CAS)
  • Estimation of the daily potential evapotranspiration in the region of PannEx RHP based on CarpatClim observational dataset – Monika Lakatos (OMSZ)
  • Sentinel-2 derived relative transpiration for groundwater recharge models in New Zealand – Rogier Westerhoff (GNS Sci)

10:30 – 11:00 Coffee break

11:00 – 11:30 Estimating ET 1 (continued, Convener: Oscar Hartogensis)

  • Evaporation and energy balance modelling of endorheic lakes in Kazakhstan – Anne Verhoef (UR)
  • Accurate estimation of water-limited ET from weather data – Kaighin McColl (Harvard U.)

11:30 – 12:30 Discussion

12:30 – 14:00 Lunch break

14:00 – 15:15 Estimating ET 2 (Convener: Anne Verhoef)

  • Derived Optimal Linear Combination Evapotranspiration (DOLCE): a global gridded synthesis ET estimate – Sanaa Hobeichi (UNSW)
  • Impact of land surface heterogeneity on estimation and validation of evapotranspiration – Jia Li (RADI-CAS)
  • Quantifying the spatial-distribution of ET using UAVs and high- resolution energy balance modelling – Warren Helgason (USASK)
  • ET affected by Meso-scale Transport in Semi-Arid Regions – Oscar Hartogensis (WUR)

15:15 – 15:45 Coffee Break

15:45 – 16:15 Estimating ET 2 (continued, Convener: Anne Verhoef)

  • Terrestrial vs Dynamical contributions to heatwave amplification – Annette Hirsch (ARC)
  • Terrestrial water loss at night from observations and climate models – Ryan Padrón (ETH)(remotely)

16:15 – 17:30 Discussion

Thursday 10 october

09:00 – 10:30 General discussion (in groups)

10:30 – 11:00 Coffee Break

11:00 – 12:30 Summary of discussions and next actions

12:30 Adjourn



Image courtesy of Tristan Schmurr
Vaporization