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Trieste, October 2008, Lorenzo Tomassini, MPI-M Research directions in regional climate modeling of the Mediterranean at MPI-M Daniela Jacob, Alberto Elizalde,

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Presentation on theme: "Trieste, October 2008, Lorenzo Tomassini, MPI-M Research directions in regional climate modeling of the Mediterranean at MPI-M Daniela Jacob, Alberto Elizalde,"— Presentation transcript:

1 Trieste, October 2008, Lorenzo Tomassini, MPI-M Research directions in regional climate modeling of the Mediterranean at MPI-M Daniela Jacob, Alberto Elizalde, and Lorenzo Tomassini Max Planck Institute for Meteorology, Hamburg

2 Trieste, October 2008, Lorenzo Tomassini, MPI-M Overview 1. Hydrological cycle including extremes 2. Atmospheric circulation 3. Regional feedbacks Three major research areas:

3 Trieste, October 2008, Lorenzo Tomassini, MPI-M Overview Hydrological cycle in the Mediterranean: A coupled atmosphere-ocean regional climate model Droughts Extreme precipitation events

4 Trieste, October 2008, Lorenzo Tomassini, MPI-M Coupled regional model Ph.D. project of Alberto Elizalde: Working model for Mediterranean climate Assessment of hydrological cycle Better understanding of processes involved Reproduce ocean-atmosphere feedbacks Analyze the impact of the coupled system on climate simulations Perform climate change simulations

5 Trieste, October 2008, Lorenzo Tomassini, MPI-M Coupled regional model Atmosphere Model (REMO) Hydrological Model (HD model) Coupler (OASIS 3) Ocean Model (MPI-OM)

6 Trieste, October 2008, Lorenzo Tomassini, MPI-M Droughts Max no. of cdd

7 Trieste, October 2008, Lorenzo Tomassini, MPI-M Droughts No. of dry periods (cdd > 5 days)

8 Trieste, October 2008, Lorenzo Tomassini, MPI-M Droughts Drought index dsi3 for A1B scenario and 2071-2100 (two arbitrary grid boxes: nord and south)

9 Trieste, October 2008, Lorenzo Tomassini, MPI-M Extreme precipitation events Increase in heavy rainfall for a) Observations b) REMO control I c) REMO control II d) REMO B1 scenario e) REMO A1B scenario f) REMO A2 scenario

10 Trieste, October 2008, Lorenzo Tomassini, MPI-M Extreme precipitation events Result of t-test for: a) Observations b) REMO control I c) REMO control II d) REMO B1 scenario e) REMO A1B scenario f) REMO A2 scenario

11 Trieste, October 2008, Lorenzo Tomassini, MPI-M Extreme precipitation events FP7 project SaveLand: Extension of this work to several European regions Mediterranean as one focus area Simulations with 10km resolution Analysis of physical causes and processes Statistical analysis of trends, variability, and spatial dependence Start: 2009

12 Trieste, October 2008, Lorenzo Tomassini, MPI-M Overview Atmospheric circulation: Cyclone tracks Medicanes Moisture transport

13 Trieste, October 2008, Lorenzo Tomassini, MPI-M Cyclone tracks

14 Trieste, October 2008, Lorenzo Tomassini, MPI-M Cyclone tracks

15 Trieste, October 2008, Lorenzo Tomassini, MPI-M Cyclone tracks

16 Trieste, October 2008, Lorenzo Tomassini, MPI-M Cyclone tracks

17 Trieste, October 2008, Lorenzo Tomassini, MPI-M Medicanes Collaboration with M. Gaertner et al. (GRL, 34, 2007)

18 Trieste, October 2008, Lorenzo Tomassini, MPI-M Moisture transport (Ch. Moseley)

19 Trieste, October 2008, Lorenzo Tomassini, MPI-M Moisture transport (Ch. Moseley)

20 Trieste, October 2008, Lorenzo Tomassini, MPI-M Overview Regional feedback processes: Effect of aerosols on clouds and precipitation Soil moisture feedback

21 Trieste, October 2008, Lorenzo Tomassini, MPI-M Aerosols Ph.D. project of Joni-Pekka Pietikainen: Implementation of the ECHAM5 cloud and aerosol physics to the regional model REMO Update the release version of REMO to include aerosols and better cloud scheme Study the effects of aerosols on clouds and precipitation Study heavy precipitation events Improve our understanding of cloud-aerosol processes using the regional model with high resolution

22 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback Preindustrial control run with REMO: 300 years JJA:

23 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback Preindustrial control run with REMO: 300 years JJA:

24 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback Preindustrial control run with REMO: 300 years JJA:

25 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback Preindustrial control run with REMO: 300 years JJA:

26 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback

27 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback

28 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback

29 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback

30 Trieste, October 2008, Lorenzo Tomassini, MPI-M Soil moisture feedback

31 Trieste, October 2008, Lorenzo Tomassini, MPI-M Thank you very much for your attention!

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