Decadal dynamics of Arctic continental water cycle in the framework of MONARCH-A A.-L. Dhomps*,1,2, E.A. Zakharova1,2,3, A.V. Kouraev1,3, S. Biancamaria1,2, N.M. Mognard1,4 (1) Université de Toulouse; UPS (OMP-PCA); LEGOS; Toulouse, France, (2) CNRS, LEGOS, Toulouse, France, (3) State Oceanography Institute, St. Petersburg Branch, St. Petersburg, Russia, (4) CNES; LEGOS, Toulouse, France, * Contact:
[email protected] INTRODUCTION Global (North of 50°N latitude) summer monthly fields of surface water extent from SSMI Timing of freeze/thaw periods over rivers and lakes from combination of SSMI and altimeter Alaska Alaska S=0.54 High latitude regions are predicted to suffer much greater warming than lower latitudes as a result of Algorithm from Fily et al. [2003] R²=0.72 River ice: in situ and satellite data Ice phenology for lakes and internal seas e g n a climate change. This will cause drastic changes in the carbon and water balance of the region, with + Brightness Temperature at 37 GHz for horizontal ICE EVENTS DURATION, DAYS r o - n r e t 150 km s 160 associated large effects on snow cover, soil freeze-thaw periods, soil moisture, permafrost, growing and vertical polarization a E Salekhard , n 140 e e Muzhi r g In situ station 120 - season, land cover, greenhouse gas fluxes and albedo. Ob' + Emissivity (Prigent et al. [1998] ) Gorki n Virtual station r e 200 t 100 s MacKensie e W d Sytomino : Few research programs grew up to study arctic climate such as the MONARCH-A FP7 European project e 80 r S=0.66 n MacKensie Oktyabr'skoye Surgut - a + Constants (Fily et al.