NAST-IERNAST-IERNPOESS Airborne Sounder TestbedNPOESS Airborne Sounder Testbed
July 10-11, 2003July 10-11, 2003NASA LaRC, Hampton, VANASA LaRC, Hampton, VA
Stephen A. MangoStephen A. Mango
Chief ScientistChief ScientistNPOESS Integrated Program OfficeNPOESS Integrated Program Office
National Polar-orbiting Environmental Operational Satellite System (NPOESS)
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Why this Meeting ?Why this Meeting ?
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS• Needs an Airborne Sounding
- Testbed for Risk Reduction - Calibration/Validation System
i.e. a NAST !!!• Needs a NAST for the Duration of the Program (~2025) to
accomplish Cal/Val Requirements !!![to help accomplish Pre-Launch Risk Reduction/Verification of Concepts and the Post-Launch immediate intensive Cal/Val activities, the intermittent and the sustaining Cal/Val activities throughout the mission]
• Present NAST System- Probably CAN NOT- Realistically SHOULD NOT
“make it through” 2025 !!!
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS Airborne Sounder Testbed [NAST]
OBJECTIVESSimulate Candidate Spaceborne Instruments
- (CrIS, ATMS, IASI)• Evaluate Key EDR Algorithms• Preview High Resolution Products (Spectral & Spatial)• Under Flight Calibration/Validation•
INSTRUMENTS [NAST-I & NAST-M]NAST-I: IR Interferometer [FTS] Sounder
• NAST-M: Microwave Sounder*• Co-Boresighted IR and Microwave• IR Interferometer [FTS] Sounder 3.5 – 16 µm
- High Spectral Resolution (1000 < du / u < 2000)- High Sensitivity in a cold scene
• 0.10 K NEDT @ 14.9 µm (250K)• 0.15 K NEDT @ 8.2 µm (250K)• 0.20 K NEDT @ 4.7 µm (250K)
• Microwave Sounder[3 Bands, 16 Channels] 54, 118, 183 GHz
NAST on ER-2
20 km ALTITUDENADIR 2.6 km IFOV± 23 km GROUND COVERAGE± 48 o Scan
*Hurricane BonnieCross-Section
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEMNNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
DMSP
POES
NPOESS
DMSP/POES to NPOESS DMSP/POES to NPOESS Convergence / Evolution of Satellite SystemsConvergence / Evolution of Satellite Systems
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEMNNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS Preparatory NPOESS Preparatory Project [NPP] [NPP] “Bridge from EOS to NPOESS”“Bridge from EOS to NPOESS”
NPP
NPOESSEOS
AQUA LTAN 1330
“Bridges EOS & NPOESS Climate Measurement
Missions”
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
CY 99 00 11 12 13 14 15 16 17 1803 08 09 1001 02 0704 05 06
Local Eq
uato
rial C
rossin
g T
ime
Deliveries
As of: 15 DEC 2002
Satellite Transition ScheduleSatellite Transition SchedulePOES/DMSP/WindSat/Terra/Aqua/NPP/NPOESSPOES/DMSP/WindSat/Terra/Aqua/NPP/NPOESS
FY 99 00 11 12 13 14 15 16 17 1803 08 09 1001 02 0704 05 06
1330 POES
EOS-Aqua
NPOESSC2N’N16
Earliest Availability
0530 DMSP
0730 - 1030
NPOESSC3F20
NPOESSDMSP
POES
EOS-Terra
METOP
NPOESSF16
17
F17 F19
F15 F18 C1 C4
C5
C6
Most probable launch dateEarliest Probable Launch Date(s)
WindSat/Coriolis
------------------10 Year Mission Life------------------
NPP
• FY04 President’s Budget National Launch Forecast
• Slopes indicate 10-90% need
CVWG EB – Meeting 6/12/03Slopes indicate 10-90% need) - - Slopes indicate 10-90% need) - - Projected End of Life based on 50% Need
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEMNNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS Status/Overview
• Contract was awarded on August 23, 2002 to TRW (now Northrop Grumman ST) for $4.5B
• Contract consists of:- 6 satellites (3 Orbits-one satellite + a replacement /orbit) - Taking over all government instrument contracts- Buying all “leveraged” instruments- Integrating GFE instruments (ADCS and SARSAT)- Building and deploying all ground systems
• C3 and data retrieval• Data processing hardware and software
- Software for worldwide users• Operating system through IOC (2011)
- with option to 2019 ~2018 + 7 yr Lifetime = ~ 2025
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEMNNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
CMIS - μwave imager/sounderVIIRS - vis/IR imagerCrIS - IR sounderATMS - μwave sounder OMPS - ozone mapper/profilerGPSOS - GPS occultation ADCS - data collectionSESS - space environmentAPS - aerosol polarimeterSARSAT - search & rescueTSIS - solar irradianceERBS - Earth radiation budgetALT - altimeter
NPOESS Satellite System
Single satellite design with common sensor locations
CMIS
VIIRS
CrIS
ATMS
ERBSOMPS
NPOESS 1330 LAN Configuration
1330 1730 2130VIIRS X X XCMIS X X XCrIS X X ATMS X XSESS XGPSOS XOMPS X ADCS X XSARSAT X X XERBS XSS X X XALT XTSIS X
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS Single Satellite SolutionNPOESS Single Satellite Solution
• Common spacecraft design for all three planes
• Common sensors in the same place for efficient integration and re-configuration
1330 LTAN1330 LTAN 1730 LTAN1730 LTAN2130 LTAN2130 LTAN
Sun Sun
Sun
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Satellite has room for growth, but considerations are needed for FOV, area, etc.
= Available real estate
+Xs/c
(VELOCITY)
SESS EUVLIMB IMAGER
+Ys/c
(ANTI-SUN)
GPSOSGVA
VIIRS
SESS UVDISK IMAGER
ATMS
CrIS
HRDANTENNA
OMPS
CMIS
SESSBEACON
SS
ADCSANTENNA - TX
ERBS
SESSLEPS
TSIS
SARSAT/ADCSANTENNA - RX
SMD ANTENNA
SS
LRDANTENNA
SARSATANTENNA - TX
APS
NADIRS-BAND
ATMS
CrIS
+Xs/c
(VELOCITY)
+Xs/c
(VELOCITY)
+Ys/c
(ANTI-SUN)
+Ys/c
(ANTI-SUN)
1.8m2
(19ft2)
1.8m2
(19ft2)
3.5m2
(38ft2)
1330 1730 2130GPSOSGAVA
NPOESS SatelliteNPOESS Satellite
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Environmental Data Records (EDRs) with Key Performance Parameters
Cloud Top Pressure Cloud Top Temperature Downward Longwave Radiance (Sfc) Downward Shortwave Radiance(Sfc) Electric FieldElectron Density ProfileEnergetic Ions Geomagnetic Field Ice Surface TemperatureIn-situ Plasma Fluctuations In-situ Plasma Temperature Ionospheric ScintillationMedium Energy Charged Particles Land Surface Temperature Net Heat FluxNet Solar Radiation (TOA) Neutral Density Profile Color/ChlorophyllOcean Wave Characteristics Outgoing Longwave Radiation (TOA) Ozone - Total Column/Profile
Precipitable Water Precipitation Type/Rate Pressure (Surface/Profile) Sea Ice CharacterizationSea Surface Height/Topography Snow Cover/Depth Solar Irradiance Supra-Thermal-Auroral ParticlesSurface Type Wind Stress Suspended Matter Total Water Content Vegetation Index
Atmospheric Vertical Moisture ProfileAtmospheric Vertical Temp ProfileImagerySea Surface TemperatureSea Surface WindsSoil MoistureAerosol Optical ThicknessAerosol Particle SizeAerosol Refractive IndexAlbedo (Surface)Auroral BoundaryAuroral Energy DepositionAuroral ImageryCloud Base HeightCloud Cover/LayersCloud Effective Particle SizeCloud Ice Water Path Cloud Liquid Water Cloud Optical ThicknessCloud Particle Size/Distribution Cloud Top Height
NPOESS/NPP Data ProductsRaw Data Records (RDRs)
Similar to Level 1A for CEOS/NASA.~ 150 giga bytes per day (similar to Terra or Aqua).
Sensor Data Records (SDRs)Similar to CEOS/NASA Level 1B
Environmental Data Records (EDRs)Similar to CEOS/NASA Level 2.
NPP Provides 25 of 55 NPOESS EDRs.
VIIRS
OMPS CrIS/ATMS CMIS SES
GPSOS
ERBS
TSIS ALTFlight on NPP
Flight on NPOESS
12 Mbps 3 Mbps
VIIRS (23)CMIS (19)CrIS/ATMS (3)OMPS (1)SES (13)GPSOS (2)ERBS (5)TSIS (1)ALTIMETER (3)APS (4)
APS
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
“NAST” Multiplicities
• What is done for NAST/NAST-IER must be Mission-Driven
- Must plan NAST Missions to be able to consider NAST-IER
- Not necessarily a “Zero-Sum Gain”
i.e.,
NAST Missions plus NAST-IER Development /Missions not necessarily a “constant”
# Sounders# Sounders # Platforms# Platforms# Complements
of Other Sensors# Complements
of Other SensorsIssues, $Issues, $X X =
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Possible NAST-IER Scenario
• Ready for NPP Launch (~ early 2007)• Necessary Steps in NAST-IER Development/Shakedown• Implies 4 years of FY Funding, FY04-FY07, at best• What Missions must be accomplished with present system
during this 4-year period ???????(consistent with “Mission Driven Principle”)
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPOESS/NPP Airborne Calibration and Science Validation Program
CY: 98 99 00 01 02 03 04 05 06 07 08 09 10
Wallops 98CAMEX-3
WintexWallops99
Cloud-IOP/Terra Cal-Val & CART WV-IOP
NPP(CrIS, ATMS, VIIRS)
NPOESS(CrIS, ATMS, VIIRS)
Key:- past field missions - near term field missions - candidate future field missions - space-based sensors to be validated
CAMEX-4 /Pre-CRYSTAL
CRYSTAL
EOS-Terra (AM)
(CERES, MODIS, MOPITT)
EOS-Aqua(PM)(AIRS, AMSU, CERES, MODIS)
Satellite Under Flights of Opportunity
METOP(AMSU, GOME, HIRS, IASI, MHS)
CHEM(HIRDLS, MLS, OMI, TES)
ER-2 Proteus
EO-3 GIFTS
PICASSO-CENACloudSat
NPP Calibration & Science Validation [IPO, NASA, NOAA, DoD, DOE, NSF]
?????
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NAST-I or S-HIS : Scanning Michelson InterferometerNAST-I or S-HIS : Scanning Michelson Interferometer• 9000 or 4500 Spectral Channels: 3.5 – 16, or 25, microns “for CrIS”“for CrIS”• 45 km swath (2.5 km nadir resolution from 65 kft)
NAST-M : 16 Channel Microwave SpectrometerNAST-M : 16 Channel Microwave Spectrometer• 50-60 GHz,113 -119, 183 GHz ( 1640-6000 microns) “for ATMS”“for ATMS”• 65 km continuous swath (2.5 km resolution from 65 kft)
MIR: Millimeter Imaging RadiometerMIR: Millimeter Imaging Radiometer• 6 Spectral Channels (89, 150, 184, 186, 190, 220 Ghz) “for ATMS”“for ATMS”• Spatially Scanning ( 50 km Swath/1.2 km nadir res. from 65 kft)
AMPR : Advanced Microwave Precipitation RadiometerAMPR : Advanced Microwave Precipitation Radiometer• 4 Channels (10.7, 19.35, 37.1, 85.5 GHz) “for “for ATMS/CrIS”ATMS/CrIS”• Spatially Scanning ( 30 Km Swath/0.6-2.8 km res. From 65 kft)
MAS : MODIS Airborne SimulatorMAS : MODIS Airborne Simulator• 50 Spectral Channels (0.55 – 14.2 Microns); 25 SW, 25 IR “for VIIRS”“for VIIRS”• Spatially Scanning ( 40 km Swath/50 m res. from 65 kft)
CLS : Cloud LIDAR SystemCLS : Cloud LIDAR System• 2 Spectral Channels (0.532 and 1.064 Microns) “for Sounders, Clouds & “for Sounders, Clouds & • Nadir Viewing (20 m horizontal resolution from 65 kft) Aerosols”Aerosols”
NPOESS/NPPCalibration & Science Validation
[Nominal ER-2 Payloads][Nominal ER-2 Payloads]
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NPP Calibration & Science Validation NPP Calibration & Science Validation on Proteuson Proteus
Performance:Performance:• Ceiling 65-80 Kft (50.5Kft demonstrated to date)• Airspeed 300 ktas• Endurance 22 hrs (15.8 hrs demonstrated to date)• Operating Altitude: 100 to 65000 ft (Can Profile) Maximum Payload:Maximum Payload: > 4500 lbsRunway RequiredRunway Required: 3000 ft by 50 ftSeatsSeats: pilot, co-pilot, and scientist / sensor operator; cabin pressurized to 7000 ft
NAST-I : Scanning Michelson InterferometerNAST-I : Scanning Michelson Interferometer• 3.5 - 16 microns (spectral resolution = 0.25 cm-1)• 45 km 13 element swath (2.5 km resolution from 65 Kft)NAST-M : 16 Channel Microwave SpectrometerNAST-M : 16 Channel Microwave Spectrometer• 50-60 GHz and 113 -119 GHz ( 2300-6000 microns)• 65 km continuous swath (2.5 km resolution from 65 Kft)FIRSC : Far Infrared Michelson InterferometerFIRSC : Far Infrared Michelson Interferometer• Far IR (75-125 microns & 285-1000 microns @ 0.1 cm-1)• Nadir along track viewing ( 1.0 km resolution from 65 Kft) MicroMaps : Gas Filter Correlation RadiometerMicroMaps : Gas Filter Correlation Radiometer• 4.6 micron, CO profiling• Nadir along track viewing ( 1.0 km resolution from 65 Kft)
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
NAST-I Vs Raob, AERI/GOES, Raman LIDAR
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Strawman NAST-IER Mid-IR RequirementsSpectral Limits (SL): 3.5 to 15 m
Spectral Resolution (SR): Selectable from 0.25 to 1.25 cm-1 Field of Regard (FOR): 2 km from 20 km flight altitude
Ground Resolution (GR): Contiguous at 500 meters from 20 km flight altitude within a single FOR
Cross-track Scan Coverage (CTSC): Selectable from 2.0 km to 20 km, depending on spectral resolution, from 20 km flight altitudefor an aircraft speed of 400 kts
Along-track Scan Coverage (ATSC): FOR contiguity at 20 km for an aircraft speed of 400 kts
Noise Equivalent Temperature (NedT): Spectrally random brightness temperature error 0.25K @ 0.25 cm-1 spectral resolution within the spectral range of 4.5 to 14 m for a scene temperature of 260 K
. Absolute Error (AE): Absolute brightness temperature error 0.5K within the spectral range of 4.5 to 14 m for scene temperatures
within the 200-300 K range.
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Strawman NAST-IER Mid-IR Requirements (cont.)Scan Angle Coverag (SAC): Selectable over a range from Zenith
(180) to Horizontal (at either + or - 90) to any combinationof a set of viewing angle steps which together provide contiguous coverage over a range from 50 degrees about Nadir (0).
Calibration Sources: Warm Blackbody, Ambient Blackbody, Zenith Sky View
Lifetime: 10 years through parts replacement over time
Design type: Modular to allow for detector, spatial and spectral resolution,
and data system upgrades as technology matures throughout the lifetime of the NASTER
Operational Requirements: Command Uplink/Data Downlink via over-the-horizon communications
Aircraft Compatibility: ER-2 (20 km), Proteus (17 km), Global Hawk (20 km), WB-57 (18 km),and, if feasible, the new SCI space plane “Spaceship 1” (55 km).
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
Sensor Specifications/Requirements[Spectral, Spatial, Temporal, etc]
CrIS NAST-I NAST-IER S-HIS
Reqt 1
Reqt 2
Reqt 3
…
Reqt N
NNATIONAL ATIONAL PPOLAR-ORBITING OLAR-ORBITING OOPERATIONAL PERATIONAL EENVIRONMENTAL NVIRONMENTAL SSATELLITE ATELLITE SSYSTEMYSTEM
“ “ Let the Discussion Begin ”Let the Discussion Begin ”