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W ater isotopes in ORCHIDEE

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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W ater isotopes in ORCHIDEE

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  1. Water isotopes in ORCHIDEE The isotopiccompositionof water isaffected by phasetransitions. …and thereforeis a goodtracer for the hydrologicalcycle. Francesca Guglielmo (LSCE), Camille Risi(LMD), Catherine Ottlé (LSCE) to betterunderstandlandsurfaceprocesses to improvethe evaluationof LSMs Projectionsof future changescould be more reliable

  2. Water isotopes in ORCHIDEE ORCHIDEE-iso(Risi et al., in preparation ) Parallelisation 11 –layershydrology(de Rosnay et al. 2002 ) Permafrost, wetlands(Gouttevin et al. 2011) LMDZ 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.

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