W ater isotopes in ORCHIDEE. The isotopic composition of water is affected by phase transitions . . …and therefore is a good tracer for the hydrological cycle . Francesca Guglielmo (LSCE), Camille Risi(LMD), Catherine Ottl é (LSCE). to better understand land surface processes
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The isotopiccompositionof water isaffected by phasetransitions.
…and thereforeis a goodtracer for the hydrologicalcycle.
Francesca Guglielmo (LSCE), Camille Risi(LMD), Catherine Ottlé (LSCE)
to improvethe evaluationof LSMs
Projectionsof future changescould be more reliable
ORCHIDEE-iso(Risi et al., in preparation )
11 –layershydrology(de Rosnay et al. 2002 )
Permafrost, wetlands(Gouttevin et al. 2011)
Snow model (T. Wang) + other hi latsprocesses
Coupled, global simulations of continentalrecycling.
Evaluation againstriver, soil and stem water measurements.
Offline single-pointruns on instrumentedsites.
Forcing: meteorology and isotopes in water vapor and precipitation.
Evaluation againstsoil and stem water measurements.