The EnMAP satellite and it's water related ground processor

Pinnel, Nicole

Institute of Transport Research:Publications

New insights into aquatic systems with hyperspectral data: The EnMAP satellite and it’s water-related ground segment processorsNicole Pinnel and the entire EnMAP TeamEarth Observation Center (EOC)Deutsches Zentrum für Luft- und Raumfahrt (DLR)- Environmental Mapping and Analysis ProgramOverview- EnMAP mission and participants, contributions from DLR- EnMAP Technical Specifications - Reception, processing and distribution- EnMAP water-related ground segment processors- Aquatic application examplesEnMAP MissionEnMAP ≡ Environmental Mapping and Analysis Program- Germany's first imaging-spectroscopy satellite-based earth observation mission - Scientific Pathfinder mission for later operational services (CHIME, SBG) - Regular provision of high-quality calibrated image products (orthorectification and atmospheric corrections)- Observation of a wide range of ecosystem parameters, e.g. Soils, minerals, land degradation vegetation type and condition water qualityEnMAP Mission Consortium• The DLR Space Administration in Bonn is responsible for the overall project management• The ground segment is formed by the EOC and the GSOC in Oberpfaffenhofen• Core funding is provided by the Federal Ministry of Economics and Climate Policy • In addition: Extensive Scientific Exploitation preparation programEnMAP SpecificationsParameter ValueTarget Lifetime 04/2022-04/2027(currently in production phase)Satellite (Mass, Dimension) 1000 kg, 3.1 m × 2.0 m × 1.7 mOrbit (Type, Local Time at Equator, Inclination, Altitude, Repeat Cycle)Sun-synchronous, 11:00,98.0°, 653 km,398 orbits in 27 daysCoverage 74° N to 74° SRevisit ≤ 4 days (-30° to +30° across-track tilt)≤ 27 days (-5° to +5° across-track tilt)EnMAP Specifications© SpaceX1st of April 2022© SpaceXEnMAP Operation Phases Ground Control Center (GSOC),Oberpfaffenhofen- Launch and Early Orbit Phase(14.04.2022, 2w)- Commissioning Phase (6 m)- Routine Phase (5 y)- De-Commissioning Phase (3 m)GSOC-Station (TMTC),WeilheimDFD-Station (Data recieving station), NeustrelitzGerman SatelliteData Archive (D-SDA)und Web-InterfacesLevel 0 ProcessorTranscription and ScreeningLevel 1B ProcessorSystematic and Radiometric CorrectionLevel 1C ProcessorGeometric Correction OrthorectificationLevel 2A ProcessorAtmospheric Correction Land and WaterSpectral ChannelsOrbit andAttitudeProductsCalibration ProductsFully automaticprocess.Source: DLRLevel 0 ProcessorTranscription and ScreeningLevel 1B ProcessorSystematic and Radiometric CorrectionLevel 1C ProcessorGeometric Correction OrthorectificationLevel 2A ProcessorAtmospheric Correction Land and WaterSpectral ChannelsOrbit andAttitudeProductsCalibration ProductsFully automaticprocess.EnMAP Operation Phases • Data processing for standard products (DFD) • Instrument Calibration in Service (MF) • Quality control of standard products (DFD/MF) • Long-term archiving (DFD) • User Interfaces (DFD) for record orders and product accessGround Control Center (GSOC),Oberpfaffenhofen- Launch and Early Orbit Phase(14.04.2022, 2w)- Commissioning Phase (6 m)- Routine Phase (5 y)- De-Commissioning Phase (3 m)• Flight operations with planning and execution of mission operations as well as control and command (platform and instrument) (RB) • Provision of position and location products Planning and execution of orbit maneuvers (RB) • Mission planning using Reactive Planning (RB)Networks andS-Band Ground Stations(u.a. Weilheim)(für TMTC) (RB)Networks andX-Band Ground Station(Neustrelitz & Inuvik)(for data) (DFD)Source: DLRGSOC-Station (TMTC),WeilheimDFD-Station (Data recieving station), NeustrelitzGerman SatelliteData Archive (D-SDA)und Web-Interfaces• Development of a processing chain for• the systematic und radiometric correction(Level 1B)• orthorectification (Level 1C)• atmospheric correction (Level 2A)• Calibration of the instrument during operations,• Quality control of the products.Orthorectification Atmospheric CorrectionEnMAP Processor, Cal & QC SystemLevel 0 ProcessorTranscription and ScreeningLevel 1B ProcessorSystematic and Radiometric CorrectionLevel 1C ProcessorGeometric Correction OrthorectificationLevel 2A ProcessorAtmospheric Correction Land and WaterSpectral ChannelsOrbit andAttitudeProductsCalibration ProductsFully automaticprocess.EnMAP Water-related Ground Segment ProcessorsModular Inversion Processor (MIP) Fully physics-based processor for EnMAP AC correction over water, includes coupled AC-water retrievalEnMAP Water-related Ground Segment ProcessorsModular Inversion Processor (MIP) Fully physics-based processor for EnMAP AC correction over water, includes coupled AC-water retrievalSwathSunglitterSunglint avoidance algorithmMaximum coverage of areas affected by sunglint will be considered during acquisition planningEnMAP Users• Internal User• Mission• Charter• Category I• Based on science AO• With proposal• Category II• Based on Space  Administration• Without proposal• Background MissionYear opsQuota forCategory IQuota forCategory II1 80% 20%2 70% 30%3 70% 30%4 60% 40%5 60% 40%Data access via EOWEB@Geoportalfree and openData acquisition via  EnMAP Instrument Planning PortalWater Quality ApplicationWater Quality Application - Submerged Aquatic Vegetation Mapping Lake Starnberg (Airborne HyMAP Sensor)Seafloor coverage [%]100%shortvegetation100%sediment100%tallWater Quality Application - Submerged Aquatic Vegetation Mapping Lake Starnberg (Airborne HyMAP Sensor)Water Quality Application - Submerged Aquatic Vegetation Mapping Macrophyte speciesuncovered sedimentP.perfoliatus P.pectinatusC.contraria N. marinaLake Starnberg (Airborne HyMAP Sensor)RGB (46/28/10) Chlorophyll in µg/l Turbidity in NTUSecchi Depth in mWater Quality Application – Lake Starnberg, Germany, 24.07.2022EnMAPCommissioning phase data ©DLR 2022. All rights reservedChlorophyll in µg/l Secchi Depth in m Turbidity in NTUWater Quality Application – Largo di Garda, Italy, 28.07.2022RGB (46/28/10)EnMAP Commissioning phase data ©DLR 2022. All rights reservedRGB (46/28/10) Chlorophyll in µg/l Secchi Depth in m Turbidity in NTUWater Quality Application – Turkey, 04.05.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedWater Quality Application – Stettiner Haff (Oder), Germany, 24.07.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedRGB (46/28/10)Water Quality Application – Stettiner Haff (Oder), Germany, 24.07.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedChlorophyll in µg/l Water Quality Application – Stettiner Haff (Oder), Germany, 24.07.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedTurbidity in NTUWater Quality Application – Stettiner Haff (Oder), Germany, 24.07.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedBlue-green Algae ProbabilityRGB (46/28/10) Chlorophyll in µg/l Turbidity in NTUBlue-green Algae ProbabilityWater Quality Application – Stettiner Haff (Oder), Germany, 24.07.2022EnMAP Commissioning phase data ©DLR 2022. All rights reservedOutlookFuture operational hyperspectral sensors will in future support space-based services with:− more detectable species and environmental habitats− quantiative mapping of major phytoplankton species− improve legislative mapping (e.g. water frame directive (WRRL))− improve required assessments in times of climate and environmental changeswww.EnMAP.orgwww.enmap.orgFunded by©OHB/DLR Contact:Dr Nicole PinnelEmail: nicole.pinnel@dlr.dewww.DLR.deThank you for your attention!> Living Planet Symposium 2022 > Sebastian Fischer • EnMAP Mission Status > 2022-05-25

New insights into aquatic systems with hyperspectral data: The EnMAP satellite and it’s water-related ground segment processors

https://elib.dlr.de/190712/1/20221005_SDB_Waterdays_EoMAP_final.pdf

New insights into aquatic systems with hyperspectral data: The EnMAP satellite and it’s water-related ground segment processors

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