Five more talks to the wiskey tasting! Folie 1

Transcription

1 Five more talks to the wiskey tasting! Folie 1

2 EnMAP Environmental Mapping Programme Germanys Hyperspectral Earth Observation Mission Godela Roßner, Christian Chlebek, Christoph Straif, Albrecht von Bargen (DLR Space Administration) Tobias Storch (DLR R&D), Charly Kaufmann (GFZ), Stefan Hofer (Kayser Threde GmbH) Folie 2

3 Overall Mission Goals To provide high-quality calibrated data and data products to be used as inputs for improved modeling and understanding of biospheric /geospheric processes To observe a wide range of ecosystem parameters encompassing agriculture, forestry, soil/geological environments and coastal zones/inland waters To extend the scientific and technical know-how, based on airborne hyperspectral sensors enabling future operational services and contributions to GMES and GEOSS Folie 3

4 Where do we want to go? SNR requirement: 500:1 (VNIR) 150:1 (SWIR) Number of spectr ral bands 300 EnMAP Hyperion Detailed assessments, monitoring with infrequent coverage 100 Large scale assessments, monitoring with frequent coverage 10 IKONOS pan 1 ETM xs HRG xs HRG pan LISS-1C Chris (VNIR only) Aster xs Aster tir ETM pan ETM tir MODIS reflective MERIS full spatial resolution MODIS thermal MERIS red spatial resolution AVHRR METEOSAT Spatial resolution (GSD in m) Folie 4

5 History and Current Status 2005 Phase A study accomplished 2006 Start of phase B 2007 End of phase B 2008 Start of phase C/D 2010 CDR Ground Segment 2011 CDR Space Segment 2015 Launch date Launch and Early Orbit Phase Commissioning Phase Decommissioning Phase Mission Preparation Phase Phase A Phase B Phase C Phase D Operational Phase 5 years Present Status Launch 2015 Folie 5 5

6 Project organization Folie 6

7 Mission & Instrument in brief Imaging pushbroom hyperspectral sensor Spectral range from 420 nm to 950 nm (VNIR) and 950 nm to 2450 nm (SWIR) High spectral resolution of 6.5 nm (VNIR) and 19 nm (SWIR); 228 channels SNR of 500:1 (VNIR) and 150:1 (SWIR) Swath width 30 km GSD 30 m nadir ± 30 off-nadir pointing for fast target revisit ( 4 days) 5,000 km total swath length acquisition per day Mission Life Time of 5 years Folie 7

8 Onboard calibration On board calibration assembly OBCA Radiometric stability check Spectral calibration illumination by halogen lamps and LEDs Full aperture diffuser Solar calibration for radiometric calibration Response non-uniformity illumination by sun pointing Integrating Sphere (KT design) Folie 8

9 Ground Segment EnMAP Space Segment (Satellite) Hyperspectral Instrument Satellite Bus Launcher PSLV, India X-Band Station EnMAP Ground Segment S-Band Station EnMAP Data Acquisition Station Neustrelitz Primary Processing & Archiving Centre DLR Mission Planning & Control (MOC) Primary User Access Desk DLR LEOP Network DLR-GSOC (MOC) DLR-DFD (PGS) Data Delivery Data Request International EnMAP User Community Folie 9 9

10 Ground Segment Processing Product Processor Comment Orbit and Attitude Products Spectral Channels Level 0 Processor Transcription and Screening Calibration Products Level 0 Transcription Stored in DIMS (no delivery) Level 1 Co-registration + Keystone + Radiance Level 2a Co-Registration + Keystone + Georectification + Radiance Level 2b Co-Registration + Keystone + Reflectance Level 2 Co-Registration + Keystone + Georectification + Reflectance Processing on Demand; Meta Data updated for User Processing Geometric Correction Atmospheric Correction Geometric and Atmospheric Correction Level 1 Processor Systematic and Radiometric Correction Level 2geo Processor Geometric Correction Orthorectification Level 2atm Processor Atmospheric Correction Land and Water O U T P U T P R O C E S S O R L1 Product L2geo Product L2 Product L2atm Product Folie 10

11 EnMAP Cal/Val Activities Objectives Data quality check and incidence reporting Assurance of L1 & L2 products traceability to international standards Monitoring and calibration Validation Periodic evaluation of instrument radiometric, spectral and spatial performance Image-based analysis: image processing techniques to assess EnMAP instrument performance and data quality Field-based validation: In-situ measurements of atmospheric and surface parameters for the validation of L1 and L2 products. In parallel to science-oriented field-based activities. Validation plan being framed in the international Cal/Val initiatives (CEOS/WGCV) Folie 11 11

12 Overall Scientific Objectives Grand Challenges Environmental Analysis LULC Changes Land Surface Processes Biodiversity and Ecological Stability Climate Change Impacts and Measures Water Availability and Quality Natural Resources Geohazards and Risk Assessment Limnology Forestry Agriculture Pedology Geology 12 Folie 12

13 EnMAP Core Science Team The EnMAP Core Science Team shall be dedicated to the strategic planning and management of the scientific exploitation of the mission. It is the objective of the ECST to support the communication with the wider science community of EnMAP and to ensure scientific state of the art data exploitation. Principle Investigator and Chair Prof. Dr. Hermann Kaufmann EnMAP Application Focus: Geology and Soil Science Members Dr. Roland Doerffer Prof. Dr. Joachim Hill Prof. Dr. Patrick Hostert Prof. Dr. Wolfram Mauser Coastal and Inland Waters Forest and Vegetation in general Ecosystems and gradual transitions Agriculture Folie 13

14 Announcement of Opportunity 1st call in October 2009: new methods for analysis of hyperspectral EnMAP data for different applications Funding from Ministry of Economics and Technology through DLR Space Agency 12 of 25 project ideas were selected Topics of proposals cover: Management of grass- and croplands, Forest, Natural vegetation, Permafrost Bioenergy potential Coastal ecosystems, Soils & Geology, Desertification Projects started mid 2010, mean budget 200k Folie 14

15 EnMAP Toolbox Easy access to processing tools for hyperspectral data widening user community support for training courses utability of state-of-the art algorithms Individual expert preprocessing tools for EnMAP data Platform to test and exchange new and innovative algorithms IDL routines (separate SAV file) GUI routines image IO routines data processing routines image IO routines GUI routines IDL-Java Bridge (JAR file) SPAWN command (e.g. C-exe, Java application) Folie 15

16 EnMAP Simulated Scenes Realistic EnMAP-like satellite scenes providing BOA and TOA for variety of test-sites: alpine foreland, Germany multitemporal agricultural site, Spain multiangular desert site, Maktesh Ramon, Israel simulation for image corrections 0.630µm, 0.830µm, 1.630µm, Simulation for summer scene Support for instrument design BOA Building data base to test and validate new algorithms Reflectance [%] Folie 16 Wavelength [µm]

17 Airborne data acquisitions planned 2011 for algorithm development Objective: provision of a central data pool that can be used for testing and benchmarking of new methods and algorithms Test areas for EnMAP Test areas of ECST Sensor available Demmin Test areas of ECST: 3 sites for multiseasonal acquisitions proposed Ammer, Demmin, Merzalben Further test areas for EnMAP: Köthen, Harz, Wahner Heide, Oderbruch, Solling (Germany) Isabena (Spain), Castro Verde (Portugal) Solling Wahner Heide Harz Köthen Oderbruch Potential Sensors to be flown: AVIS-3, AISA dual UFZ, HyMap, HySpex Isabena Merzalben Castro Verde Ammer Folie 17

18 EnMAP Training courses Reflectance [%] Wavelength [µm] EnMAP Summer schools 2010: 1st summer school, Trier: Introduction to hyperspectal image analysis 2011: 2nd summer school, Munich: Hyperspectral field campaigns: Methods, Instruments, Planning Strategies 2012: 3rd summer school, Berlin Toolbox tutorials 1st at EARSeL conference in 06/2011, Prague Folie 18

19 Outreach to the community EnMAP workshops: - special sessions at 6th & 7th EARSeL SIG IS - National workshops held in 2009 and 2010 at GFZ in Potsdam -International Workshop together with ESA and ASI 2010 in Frascati - Further workshops foreseen for specific topics EnMAP_wiss-on@gfz-potsdam.de Folie 19

20 Thank you! Godela Roßner Folie 20