1. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 1 Contributions of DLR & Partners to the IPY M. Gottwald, DLR-IMF IPY Space Task Group, Geneva, 17-19 January 2007

2. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 2 Missions and Facilities DLR – in cooperation with national & international partners – operates various missions and facilities satellites ground stations aircraft sensors data systems (processors, archives, data dissemination) usage for IPY is either in framework of regular operations (e.g. satellite sensors, data systems) dedicated measurements & campaigns (e.g. aircraft sensors) some satellite missions provide continuous data from polar regions (e.g. SCIAMACHY, GOME/GOME-2) DLR science groups cooperate with partners in IPY related programs (also using non-DLR facilities) Note: the following list is a summary but does not claim completeness

3. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 3 Missions and Facilities Satellite missions SCIAMACHY TerraSAR-X TanDEM-X GRACE CHAMP (GFZ) GOME (ESA) GOME-2 (EUMETSAT) Ground stations O‘Higgins Oberpfaffenhofen Neustrelitz Mobile & transportable Aircraft and sensors Falcon DO228 HALO New sensors ARES GRIPS

4. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 4 SCIAMACHY atmospheric science instrument on ENVISAT German-Dutch-Belgian contribution (AO instrument) absorption spectroscopy: UV-Vis-NIR-SWIR (214 nm – 2386 nm) atmospheric geophysical parameters from troposphere to mesosphere various measurement modes nadir limb solar and lunar occultation sun-synchronous orbit altitude = 800 km inclination = 98.5° orbital period = 100 min local descending node crossing time = 10 am continuous measurements (duty cycle > 90%) max. spatial resolution 26 km  30 km (nadir, along-track  across-track) 230 km  2.6 km (limb, across-track  height)

5. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 5 SCIAMACHY ENVISAT/SCIAMACHY operations extended until 2010 geophysical parameters available via ENVISAT ground segment and scientific facilities, e.g. http://eopi.esa.int/ (ESA EO Principal Investigator Portal) http://wdc.dlr.de/ (World Data Center for Remote Sensing of the Atmosphere) http://www.physik.uni-bremen.de/ (IUP, University of Bremen) measurement planning & instrument configuration (in case of specific IPY requ.) http://atmos.caf.dlr.de/projects/scops/ (SCIAMACHY operations support) Ozone hole 2002 & 2005 (DLR-DFD/KA)

6. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 6 TerraSAR-X national radar mission provision of high resolution X-band data various imaging modes stripmap (30 km swath width, 3 m resolution) scanSAR (100 km swath width, 16 m resolution) spotlight (5 km  10 km scene, 1 m resolution) dual receive antenna mode (experimental) sun-synchronous orbit altitude = 514 km inclination = 97.4° orbital period = 95 min 11 days repeat cycle launch February 27, 2007 mission lifetime = 5 years

7. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 7 TerraSAR-X access for scientific purposes via a selection process pre-launch AO (closed in October 2005) further AO planned (end 2007) general proposal submission interface (summer 2007) several proposals for polar research ice sheets sea ice glaciers & ice caps snow contact: achim.roth@dlr.de

8. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 8 TanDEM-X national radar mission provision of high resolution X-band data various imaging modes as TerraSAR-X bi-static with TerraSAR-X sun-synchronous orbit as TerraSAR-X (‘Helix‘ formation) launch early 2009 mission lifetime > 3 years DEM over Antarctica science team with approx. 1000 registered PIs scientific user requirements survey performed contact: irena.hajnsek@dlr.de

9. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 9 GRACE gravity and climate mission joint US-German twin spacecraft mission sun-synchronous orbit altitude = 500 km inclination = 89.1° launched March 17, 2002 mission lifetime > 2010 scientific applications include solid Earth ocean currents water movement sea-level heights movement and mass of ice sheets data access via registered account (European site: http://isdc.gfz-potsdam.de)

10. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 10 CHAMP gravity, climate and magnetic field mission sun-synchronous orbit altitude = 454 km inclination = 87° launched July 15, 2000 lifetime until mid 2009 scientific applications include structure and dynamics of solid Earth ocean circulation changes in global water balance sea-level changes Atmosphere/ionosphere sounding data access via registered account (http://isdc.gfz-potsdam.de)

11. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 11 GOME and GOME-2 atmospheric science instruments GOME: ESA ERS-2 mission, GOME-2: EUMETSAT MetOp mission absorption spectroscopy: UV-Vis (240 nm – 790 nm) measurement mode = nadir sun-synchronous orbit altitude = 800 km (ERS-2), 817 km (MetOp) inclination = 98.5° (ERS-2), 98.7° (MetOp) orbital period = 100 min local descending node crossing time = 10:30 am (ERS-2), 9:30 am (MetOp) launch: April 21, 1995 (ERS-2), October 19, 2006 (MetOp)

12. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 12 GOME and GOME-2 DLR-IMF/DFD hosts algorithm & processor development processing centres in ERS-2 and MetOp ground segments GOME: D-PAF GOME-2: Ozone monitoring SAF (hosted by FMI) goal is to obtain long time series of atmospheric geophysical parameters

13. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 13 FALCON Aircraft research aircraft Dassault Falcon 20-E5 in operation since 1976 home base is Flight Facility at Oberfaffenhofen/Germany flexible multipurpose platform for scientific applications twin jet with pressurized cabin maximum altitude = 12.5 km maximum range approx. 3000 km payload capacity incl. operations personnel = 1500 kg various sensors basic sensor package (meteorological) optional sensors atmospheric trace gases & aerosol wind LIDAR

14. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 14 FALCON Aircraft IPY Campaigns several campaigns planned in framework of IPY with DLR participation (DLR-IPA) ASTAR (IPY 244 – coord. AWI) Falcon and AWI DO-228 March-April 2007 POLARCAT (IPY 244 – coord. NILU) Falcon and other aircraft summer 2008 THORPEX (IPY 394 – coord. University of Oslo) Falcon February-March 2008 ORACLE (IPY 542 – coord. AWI) status is tbd

15. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 15 DO228 Aircraft home base is Flight Facility at Oberfaffenhofen/Germany flexible multipurpose platform for scientific applications twin engine aircraft with unpressurized cabin maximum altitude approx. 7.5 km maximum range approx. 3200 km maximum payload approx. 1300 kg sensors basic sensor package (meteorological) optional sensors SAR optical

16. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 16 DO228 Aircraft – Sensors E-SAR (Experimental Synthetic Aperture System) innovative SAR modes / configurations & novel SAR techniques / applications multi-spectral SAR SAR polarimetry / interferometry / tomography polarimetric SAR interferometry differential interferometry preparatory experiments for future SAR satellite missions flexible multi-channel SAR P-, L-, C-, and X-band fully polarimetric P- & L-band high-resolution Imaging along- & across-track single-pass InSAR in X-band contact: irena.hajnsek@dlr.de

17. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 17 HALO Aircraft new High Altitude and Long Range research aircraft operational in 2009 home base will be Flight Facility at Oberfaffenhofen/Germany maximum altitude approx. 15 km maximum range > 8000 km payload capacity = 3000 kg

18. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 18 Ground Stations DLR operates ground stations for data reception spacecraft commanding reception station network includes Neustrelitz/Germany Oberfaffenhofen/Germany O‘Higgins/Antarctica transportable & mobile stations Network of DLR data reception ground stations Ny-Alesund Neustrelitz Oberpfaffenhofen O‘Higgins Chetumal Recife Current Locations Former Locations

19. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 19 Ground Stations Neustrelitz L/S/X-band, 3 antennas with 7.3 m and L/S-band with 4 m Oberfaffenhofen/Germany L-band, 2 antennas with 4 m & 2.4 m and X-band with 3.6 m O‘Higgins/Antarctica L/S/X-band with 9 m operated on campaign basis 90-120 days/year, for TanDEM- X full year mobile stations Ny Ålesund/Norway, S-band with 4 m (with GFZ) Recife/Brazil, L-band with 0.9 m transportable station Chetumal/Mexico, L/S/X-band with 9 m O‘Higgins ground station

20. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 20 New Sensors - ARES Airborne Reflective Emissive Spectrometer hyperspectral sensor with 160 bands from VIS to thermal IR (470 nm – 12  m) operational in 2007 scientific applications include terrestrial ecosystems soil sciences geology forestry precursor of spaceborne hyperspectral sensors offered through national and international programs or on commercial basis

21. STG Meeting > M. Gottwald > 17-19 January 2007 Slide 21 New Sensors - GRIPS ground based IR spectrometer study of geophysical parameters of the mesopause (temperature, gravity waves) new GRIPS sensor to be installed at Neumayer station (cooperation between DLR and AWI) operational in 2008/2009 GRIPS3 at Schneefernerhaus/ Zugspitze