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09-Nov-2004Brussels, 09-Nov-20041 CM-SAF Surface Radiation Budget: First Results and Plans R. Hollmann, A. Gratzki, R. Mueller O. Sievers Deutscher Wetterdienst.

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Presentation on theme: "09-Nov-2004Brussels, 09-Nov-20041 CM-SAF Surface Radiation Budget: First Results and Plans R. Hollmann, A. Gratzki, R. Mueller O. Sievers Deutscher Wetterdienst."— Presentation transcript:

1 09-Nov-2004Brussels, 09-Nov-20041 CM-SAF Surface Radiation Budget: First Results and Plans R. Hollmann, A. Gratzki, R. Mueller O. Sievers Deutscher Wetterdienst (DWD) Kaiserleistr. 35 63067 Offenbach rainer.hollmann@dwd.de

2 09-Nov-2004Brussels, 09-Nov-20042 CM-SAF Surface Radiation Budget: First Results and Plans First Results of Initial operational processing Validation of SRB products Atmospheric Divergence Profile from SEVIRI/GERB Method A case study Overview

3 09-Nov-2004Brussels, 09-Nov-20043 Sub-tiles for PPS-processing Ibla_35n53w file_id:1A xsize: 1215 ysize: 1215 Ibla_35n62w file_id:19 xsize: 360 ysize: 1215 Ibla_46n60w file_id:10 xsize: 810 ysize: 1215 Ibla_35n40w file_id:1B xsize: 1215 ysize: 1215 Ibla_35n26w file_id:1C xsize: 1215 ysize: 1215 Ibla_35n13w file_id:1D xsize: 1215 ysize: 1215 Ibla_35n00e file_id:1E xsize: 1215 ysize: 1215 Ibla_35n13e file_id:1F xsize: 1215 ysize: 1215 Ibla_35n26e file_id:20 xsize: 1215 ysize: 1215 Ibla_35n40e file_id:21 xsize: 1215 ysize: 1215 Ibla_35n53e file_id:22 xsize: 1215 ysize: 1215 Ibla_35n62e file_id:23 xsize: 360 ysize: 1215 Ibla_46n60e file_id:18 xsize: 810 ysize: 1215 Ibla_46n47w file_id:11 xsize: 1215 ysize: 1215 Ibla_46n31w file_id:12 xsize: 1215 ysize: 1215 Ibla_46n16w file_id:13 xsize: 1215 ysize: 1215 Ibla_46n00e file_id:14 xsize: 1215 ysize: 1215 Ibla_46n16e file_id:15 xsize: 1215 ysize: 1215 Ibla_46n32e file_id:16 xsize: 1215 ysize: 1215 Ibla_46n47e file_id:17 xsize: 1215 ysize: 1215 Ibla_57n58w file_id:09 xsize: 1125 ysize: 1215 Ibla_57n40w file_id:0A xsize: 1215 ysize: 1215 Ibla_57n20w file_id:0B xsize: 1215 ysize: 1215 Ibla_57n00e file_id:0C xsize: 1215 ysize: 1215 Ibla_57n20e file_id:0D xsize: 1215 ysize: 1215 Ibla_57n40e file_id:0E xsize: 1215 ysize: 1215 Ibla_57n58e file_id:0F xsize: 1125 ysize: 1215 Ibla_68n58w file_id:04 xsize: 1260 ysize: 1215 Ibla_68n29w file_id:05 xsize: 1215 ysize: 1215 Ibla_68n00e file_id:06 xsize: 1215 ysize: 1215 Ibla_68n29e file_id:07 xsize: 1215 ysize: 1215 Ibla_68n58e file_id:08 xsize: 1260 ysize: 1215 Ibla_77n60w file_id:01 xsize: 1350 ysize: 720 Ibla_77n00e file_id:02 xsize: 1215 ysize: 720 Ibla_77n60e file_id:03 xsize: 1350 ysize: 720

4 09-Nov-2004Brussels, 09-Nov-20044 Surface incoming shortwave flux Surface downwelling longwave flux Fractional cloud cover Land surface albedo Pre-operational results from July 2004

5 09-Nov-2004Brussels, 09-Nov-20045 Carpentras, 100 m aslPayerne, 491 m asl Validation of Shortwave Radiation June 2003 All-sky Clear-sky Sat-Meas: 17.3 W/m² r = 0.93 Sat-Meas: 5.8 W/m² r = 0.97 Sat-Meas: 2.1 W/m² Sat-Meas: -2.5 W/m²

6 09-Nov-2004Brussels, 09-Nov-20046 AVERAGE SIS all Stations (W/m²) June 2003: 12.2 March 2004:8.6 April 2004: -14.1 Validation for October 2002, June 2003, March – April 2004 LINDENBERG10.8-6.6-11.0 PAYERNE17.321.9-8.8 CARPENTRAS5.80.3-22.4 Sat-Meas Surface Incoming Solar Radiation June 2003 Mar 2004 Apr 2004 Instantaneous comparison at time of overpass vs. hourly surface obs. Mean differences in W/m² CABAUW14.818.8-

7 09-Nov-2004Brussels, 09-Nov-20047 AVERAGE SDL all Stations (W/m²) October 2002: -11.9 June 2003: -5.5 March 2004:-14.3 April 2004:-13.4 Validation for October 2002, June 2003, March – April 2004 LINDENBERG-3.78.2-2.810.6 PAYERNE-15.4-14.1-27.5-26.9 CARPENTRAS -14.2-8.1-17.2-24.0 CABAUW-14.1-11.3-9.5- Sat.-Meas Oct 2002 June 2003 Mar 2004 Apr 2004 Surface Downwelling Longwave Radiation Instantaneous comparison at time of overpass

8 09-Nov-2004Brussels, 09-Nov-20048 AVERAGE SOL all Stations (W/m²) October 2002: 0.8 June 2003: 4.3 March 2004:-11.1 April 2004:-11.6 Validation for October 2002, June 2003, March – April 2004 LINDENBERG-3.02.11.01.2 PAYERNE13.810.0-27.8-24.4 CABAUW -2.20.7-6.5- Sat.-Meas Oct 2002 June 2003 Mar 2004 Apr 2004 Surface Outgoing Longwave Radiation Instantaneous comparison at time of overpass

9 09-Nov-2004Brussels, 09-Nov-20049 Summary / Outlook: Satellite Application Facility on Climate Monitoring has started the pre-operational processing of NOAA-AVHRR overpasses in February 2004 Operational production ~ Jan 2005 Surface Radiation Processing, first validation; mean differences for SIS ~ 15 W/m² mean differences for SDL ~ 10 W/m² mean differences for SOL ~ 5 W/m² 2 nd User Workshop Autumn 2005 in Nuremberg (Germany). 29.08.-31.08.2005 invitation follows CM-SAF Surface Radiation Budget: Overview, first Results and Plans

10 09-Nov-2004Brussels, 09-Nov-200410 http://www.cmsaf.dwd.de (Site under construction: http://orias.dwd.de:7780/saf_wui/wui) First Data sets available ~ Jan 2005 CM-SAF Surface Radiation Budget: First Results from the Initial Operations Phase

11 09-Nov-2004Brussels, 09-Nov-200411 Atmospheric Divergence Profile from SEVIRI/GERB Results: neuronale net´s - for sza-bins of 10° - 3 atm. Layers - SW, LW sep. RTM calculation by O. Sievers Method

12 09-Nov-2004Brussels, 09-Nov-200412 Atmospheric Divergence Profile from SEVIRI/GERB image from SEVIRI @ 23.09.2003, 12:00 UTC NET-Heating rate in K/day lower troposphere by O. Sievers 2.0 1.0 0.0 -2.0 Application to METEOSAT-8

13 09-Nov-2004Brussels, 09-Nov-200413 Atmospheric Divergence Profile from SEVIRI/GERB Examples of vertical profiles of net heating rate for 23.09.2003, 12:00 UTC A B D E C I H FG location of profiles Heating rate in K/day Height in km by O. Sievers

14 09-Nov-2004Brussels, 09-Nov-200414 Atmospheric Divergence Profile from SEVIRI/GERB by O. Sievers Summary / Outlook: A neuronale net approach has been built up to calculate atmospheric divergence profiles from SEVIRI/GERB radiances The accuracy of the method is 0.08 K/d (stratosphere), 0.24 K/d (upper troposphere), 0.14 (lower troposphere) (5 %, 12 %, 19 %) Application to METEOSAT-8 (SEVIRI), 23.09.2003 demonstrates its capability validation?

15 09-Nov-2004Brussels, 09-Nov-200415 www.cmsaf.dwd.de

16 09-Nov-2004Brussels, 09-Nov-200416 Spare slides

17 09-Nov-2004Brussels, 09-Nov-200417 CM-SAF Surface Radiation Budget: Radiation Divergence Profiles

18 09-Nov-2004Brussels, 09-Nov-200418 CM-SAF Surface Radiation Budget: Radiation Divergence Profiles

19 09-Nov-2004Brussels, 09-Nov-200419 CM-SAF Surface Radiation Budget: Radiation Divergence Profiles

20 09-Nov-2004Brussels, 09-Nov-200420 CM-SAF Surface Radiation Budget: Radiation Divergence Profiles

21 09-Nov-2004Brussels, 09-Nov-200421 Product Groups Water vapour in the atmosphere Radiation budget parameters: surface and TOA Cloud parameters Climate Monitoring SAF

22 09-Nov-2004Brussels, 09-Nov-200422 I 2004 I 2007 I 2008 I 2005 I 2006 I 2009 Initial Operations Phase Full Operations Phase V2 V3 Area Extension EPS Merging MSG (rad & clouds) HCP (ATOVS & MSG) V1 NOAA (rad & clouds) CM-SAF: Schedule & Versioning CM-SAF Surface Radiation Budget: Overview, first Results and Plans

23 09-Nov-2004Brussels, 09-Nov-200423 SISSurface Incoming Short Wave Radiation SNSSurface Net Short Wave Radiation SDLSurface Downward Long Wave Radiation SOLSurface Out going Long Wave Radiation SNLSurface Net Long Wave Radiation SRBSurface Radiation Budget SALSurface Albedo Time resolution daily mean, monthly mean, monthly mean diurnal cycle SAL (weekly, monthly) Spatial resolution (Pixel), 15 km x 15 km Surface radiation parameters Climate Monitoring SAF

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