Measuring Land surface fluxes – Soil profiles – Hydrological balance Objectives List possible contributions to WG2 –local measurements on specific ecosystems,

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Presentation transcript:

Measuring Land surface fluxes – Soil profiles – Hydrological balance Objectives List possible contributions to WG2 –local measurements on specific ecosystems, –Mesoscale/pilot-sites -long term observatories Define measurement requirements Common (internal) database ? Organisation of Task Team for Observation ?

Local measurements on specific ecosystems Requirements SOP (at least) – EOP recommended (L Fluxes –Water (& Carbon), Energy –Footprint (wind direction) Soil moisture/temperature (surface e.g. 5cm, deep e.g. 30cm) Soil characteristics (water storage capacity, depth, texture) Water table (where relevant) Atmospheric forcings –Air temperature/humidity, SW, (LW) radiation, Wind speed, Precipitation Vegetation description (type, height, LAI) When possible Ecophysiological measurements (sap flow, water potential, stomatal resistance …) Synergies between sites : methodology

Local measurements on specific ecosystems List of sites CarboEurope (UNITUS?) Observatories in SE France –Avignon –crops- –Tour du Valat –salt marshes –Crau –dry grasslands –Fontblanche –mixed forest (TbC) –Manosque, OHP - oak, France (TbC) –Puechabon CarboEurope site – oak, France (TbC) –Corsica (TbD), D. Lambert + KIT, INRA orchard site? Natural vegetation?, soil moist/temp, fluxes, 1 year

Local measurements on specific ecosystems List of sites Italy –Lecce –mixed periurban –Bari –crops –Lamezia Terme, Calabria –orchards –Tor Vergata –grass, turbulence, boundary layer, upgrade TbD –Lampedusa – dry grassland, radiation fluxes, heat flux, upgrade

Mesoscale/pilots -Sites Requirements Improved estimation of the water balance on small sub- catchments EO data –Land cover mapping –Vegetation dynamics Possible Upscaling with airborne observations, e.g. both sea and land (KIT –Dornier-128, SAFIRE –ATR-42)? –Fluxes –Remote sensing (e.g. microwave radiometry, infrared, VIS/NIR) Spatial variability at fine scale (Hillslope) of soil moisture Synergy between sites and WG3 : methodology sharing, intercalibration?

Mesoscale/pilot-Sites List of Mesoscale/pilot sites Remedhus, Spain, Salamanca SMOSMANIA+OHMCV, France Crau-Camargue (drylands, wetlands), France Karst observatory, HSM (+BRGM), France Emilia-Romania, Italy Extensive soil moisture network in Turkey (TbC) Israël, network of sites (TbC) Croatia ? Egypt? North Africa?

Upgrade and measurements implementation To reach the site requirements (funding?) Implementation  funds strategy  Build an exchange strategy to make HYMEX experiment attractive for experimentalist

Common internal database? Usefulness –visibility –easier data access within the project « Meta-data+links » seems more realistic than a central database (Existing long-term sites with their own data policy, diversity of instrumentation for different sites) TbC at project level

Organisation of TTO? A TTOs per mesoscale/pilot site + Coordination (TS?) One TTO for all local sites Per-variable TTOs don’t seem useful (standardization and intercalibration strategy to be done at the TS level) A form will be sent in order to characterise the possible (super-) sites