1 / 34

With contributions from:

ARCTAS P-3B Overview: Goals, Payload, Flights, and Example Results. Phil Russell and Tony Clarke P-3B Platform Scientists. With contributions from:

fritz-moran
Download Presentation

With contributions from:

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ARCTAS P-3B Overview: Goals, Payload, Flights, and Example Results Phil Russell and Tony Clarke P-3B Platform Scientists With contributions from: Jens Redemann, John Livingston, Yohei Shinozuka, Steve Howell, Cam McNaughton, Eike Bierwirth, Sebastian Schmidt, Ralph Kahn, Charles Gatebe, Alexei Lyapustin, Thanos Nenes, Terry Lathem, Rich Ferrare, Chris Hostetler, Ed Eloranta, Norm O’Neill, Omar Torres, Pepijn Veefkind, Ben Veihelmann … ARCTASScience Team Meeting27-30 Jan 2009Virginia Beach, VA

  2. P-3B in ARCTAS • Overall Goal • Measurements and analyses to address ARCTAS science • Theme 3:Aerosol Radiative Forcing • including indirect aerosol forcing via clouds • Theme 2: Boreal Forest Fires • while also contributing to ARCTAS’s • Theme 1: Long-Range Transport of Pollution to the Arctic • Theme 4: Chemical Processes

  3. P-3B in ARCTAS • Science objectives (long list) required: • - Measuring • -- Aerosol chemical, physical & optical properties • -- Aerosol radiative effects • -- Arctic surface albedo & bidirectional reflectance • -- ++ • Testing, interpreting, & extending satellite retrievals • Testing & refining chemical transport models (CTMs) • Approach • Fly a balanced suite of radiometric & in situ instruments on a single platform. This enabled: • All the above • Climate forcing assessment in terms of emissions and/or mitigation strategies

  4. P-3B in ARCTAS: Payload  Flux↑,↓(l), albedo(l) •  AOD • Ext • H2O vapor  Flux↑,↓, albedo • Cavity Ringdown ext (2l) • Reciprocal Neph sca (2, RH )  Radiance, BRDF • Nenes CCN • PVM cloud drop reff, vol • TECO O3 COBALT:CO

  5. ARCTAS Spring P-3 Tracks, 31 Mar-10 Apr 2008 AOD, 0Z,7/8 Barrow Thule Fair- banks Yellowknife 8 flights (61 hrs) Wallops Moffett

  6. ARCTAS Summer P-3 Tracks, 24 Jun-12 Jul 2008 AOD, 0Z,7/8 Cold Lake 14 flights (87 hrs) SF See Clarke et al. CARB flight poster Wallops Also Nenes talk and/or Lathem poster LA

  7. P-3 Science/Transit Flights in ARCTAS Spring http://www.espo.nasa.gov/arctas/flightDocs.php

  8. Presentations showing P-3B ARCTAS results • 2Bierwirth et al., Spectral surface albedo and aerosol forcing during ARCTAS - Implications of surface heterogeneity and SSFR measurement uncertainty • 2Clarke et al., Combustion aerosol in the Arctic: models, size-resolved microphysics, chemistry, and relationships to CCN variability • 2Clarke et al., California Coastal Aerosol during ARCTAS-CARB: • Ships, Wildfires and Background Air • 2Ferrare et al., HSRL measurements of smoke during ARCTAS • 2Gatebe et al., Simultaneous retrieval of aerosol and surface properties over snow • 2Howell et al., Arctic aerosol chemistry and spectral optical characteristics: mixtures of major ions with black, brown and organic carbon • 2Kahn et al.: ARCTAS Snow Albedo Experiment • 2Lathem et al.: Closure and growth kinetics of ARCTAS CCN measurements • 1EOS Aura 2008 Science Team meeting, Columbia, MD, 27-30 Oct 2008 • 2ARCTAS Science Team Meeting, Virginia Beach, 27-30 Jan 2009 Cont’d

  9. Presentations showing P-3B ARCTAS results (cont’d) • 2Lyapustin et al.:Snow anisotropy from CAR: Analysis of LSRT, MRPV, and AART BRF models • 2Nenes et al., CCN measurements during ARCTAS • 1Livingston et al., Comparison of Airborne Sunphotometer and OMI Retrievals of Aerosol Optical Depth during MILAGRO/INTEX-B and ARCTAS • 2Podolske et al., CO measurements from the P3-B during ARCTAS • 2Redemann et al., Airborne sunphotometer (AATS-14) measurements in ARCTAS - first insights into their combined use with satellite observations to study Arctic aerosol radiative effects • 2Shinozuka et al., Aerosol optical properties measured from aircraft, satellites and the ground during ARCTAS summer - their relationship to aerosol chemistry and smoke type • 1EOS Aura 2008 Science Team meeting, Columbia, MD, 27-30 Oct 2008 • 2ARCTAS Science Team Meeting, Virginia Beach, 27-30 Jan 2009 • 1EOS Aura 2008 Science Team meeting; October 27-30, 2008; Columbia , MD • 2ARCTAS Science Team Meeting, Virginia Beach, 27-30 Jan 2009

  10. P-3B in ARCTAS Example Science Results- 2 Spring Flights- 2 Summer Flights(See also other talks & posters)

  11. P-3 Science/Transit Flights in ARCTAS Spring (cont’d)

  12. P3 Data Flight #9, 15 Apr 2008 AOD, 0Z,7/8 • Accomplishments: • Comparison w NOAA WP-3D under B-200 • Radiation stack with NOAA WP-3D under B-200 (with sufficient AOD & no hi/mid clouds) • Cascade impactor sample during 1, 2 for Raman & SEM analysis • Radiation leg along CALIPSO track (before overpass) • Albedo & BRDF measurements at Elson Lagoon over surface-based albedo & snow collection measurements • Zero ozone over open leads N & W of Elson Lagoon (2x) • Overflights of special albedo sites F1, B3, G4(x2), B4, F4, L1 (with variety of cloud conditions) • Extra radiation legs along return to Fairbanks Elson Lagoon 6 5 7 Albedo sites 4 CALIPSO track 8 P-3 B-200 1,2,3 WP-3D Fairbanks

  13. See Bierwirth Talk Solar Spectral Flux Radiometers (SSFRs) on NASA & NOAA P-3s under B-200 Wing tip by wing tip comparison NOAA and NASA P-3 SSFR on three flight legs Wing by wing in layer Wing by wing above layer NASA P-3below layer, NOAA P-3 above downward Irradiance [W m-2 nm-1] upward Flying over snow patches / tundra – this will be an excellent case to study surface albedo heterogeneity. UTC [h] Bierwirth, Schmidt, Pilewskie, Gore, …

  14. Barrow 15 April 22:30 UTC MISR Path 079 Orbit 44293 Blocks 32-38; Lat 71.3˚ Lon -156.7; SZA 61.1˚ Zero ozone over open leads X2 Elson Lagoon 4/15 23:52 UTC See Kahn Talk Special Albedo Sites 4/15 23:00 UTC P-3 Flight Path Barrow AERONET Site See Gatebe talk & Lyapustin poster re snow anisotropy retrieved from CAR measurements on P-3 at Elson Lagoon near Barrow Ground Measurements

  15. See Bierwirth Talk Surface albedo spectra from SSFR on NASA P-3 15 Apr 2008 Albedo G – Coastal Plain sites; elevation ~10m B – Tundra with many lakes; elevation ~25m F – Dissected Plateau; elevation ~160m L – Mountainous; elevation ~1.5 km, very variable Wavelength [nm] Bierwirth, Schmidt, Pilewskie, Gore, …

  16. P-3 Science/Transit Flights in ARCTAS Spring http://www.espo.nasa.gov/arctas/flightDocs.php

  17. P3b Fairbanks –Thule Flight6 4/8/08 Airmass chemistry-optics, DC-8 comparison, Calipso, BRDF surface- albedo and model validation STEM model AOD - Carmichael Preliminary AMS data N. America Eureka Calipso Spiral Asian Aerosol Mass Spectrometer reveals different mix of aerosol chemistry for Asian and North American Pollution P3b-DC8 Intercomp CAR BRDF Circles Nenes, Lathem re CCN Podolske re CO Antony Clarke Steve Howell Cam McNaughton Steffen Freitag See Howell Talk

  18. April 8, 2008 Eureka PEARL CIMEL (500 nm) N. O’Neill E. Eloranta light cloud b [m-1 sr-1] Ed Eloranta's AHSRL profiles (532 nm) 4/8 18:00 UTC Pearl 08 April 20:41 UTC MISR Path 062 Orbit 44190 Block 22; Lat 80.05˚ Lon -86.42; SZA 75.2˚ Pearl AERONET Site P-3 Flight Path See Kahn Talk 4/8 17:00 UTC 4/8 16:28 UTC 4/8 17:24 UTC

  19. Profile over the PEARL lab AERONET site in Eureka PRELIMINARY See Shinozuka Talk Shinozuka, Redemann, Clarke, O’Neill, …

  20. P-3 Science/Transit Flights in ARCTAS Summer (cont’d)

  21. ARCTAS P-3 Data Flight #19, 3 Jul 2008 Characterized physics, chemistry and optics of local and long-distance plume in Terra MISR & MODIS footprints PRELIMINARY Typical P-3 maneuvers in ARCTAS 220 km HiGEAR- in situ scattering AATS- AOD profile

  22. Aerosol Radiative Forcing Efficiency by combining SSFR Irradiance with AATS Aerosol Optical Thickness 499 nm Slope is aerosol radiative forcing efficiency See Bierwirth Talk high absorption layer low absorption layer Net Irradiance [W m-2 nm-1] 3 Jul 2008 Aerosol Optical Thickness Bierwirth, Schmidt, Redemann, Livingston, …

  23. P-3 Science/Transit Flights in ARCTAS Summer (cont’d)

  24. NRL COAMPS PREDICTED SMOKE FROM ATHABASKA FIRES(courtesy Jeff Reid) 18 Z 9 Jul 2008 GEOS5 - Weak Siberia biomass burning plume between 1-6 km in central Canada, Courtesy Mian Chin - Similar features in some other models. CALIPSO Track Turnaround Point P-3B B200

  25. HSRL/AATS-14 Aerosol Optical Thickness (AOT) Comparison See Ferrare Talk • Comparison of AOT derived from HSRL (B200) and derived from AATS-14 Airborne Sun Photometer (P-3B) while P-3B spiraled up below B200 (AATS14 data courtesy of Jens Redemann) • Large variability in AOT associated with smoke plume Extinction Smoke layer Optical Thickness Preliminary

  26. HSRL/CALIPSO/AATS/In situ Aerosol Comparison See Ferrare Talk Ferrare, Hostetler, Winker, Redemann, Clarke et al. Extinction Good agreement in and above the smoke! CALIPSO slightly lower Smoke layer Preliminary

  27. MODIS CALIPSO OMI

  28. Comparison of AATS, OMI, and MODIS AOD spectra See Redemann Talk Preliminary J. Redemann, J. Livingston, Torres, Veihelmann, Veefkind

  29. ARCTAS P-3B Summary & Future AOD, 0Z,7/8 • 8 flights (61 hrs) in Spring, • 14 flights (87 hrs) in Summer. • Highly successful. • 2. The rich data set links air, surface, & space measurements and addresses all P-3B goals • - linking variations in atmospheric radiation to microphysics and chemistry of haze & smoke aerosols + Arctic surfaces. • Needed for • --reliable interpretations of satellite inversions • --refining model products • --assessing climate forcing in terms of emissions and/or mitigation strategies. • 3. See other talks & posters • 4. ARCTAS Special Sessions: AGU Fall 2009 Special thanks to the P-3B staff for excellent preparation, maintenance, & flying

  30. AOD, 0Z,7/8 END OF PRESENTATION REMAINING SLIDES ARE BACKUP

  31. P-3B in ARCTAS • Approach • Use a common platform to link variations in • atmospheric radiation to microphysics and chemistry of aerosol + Arctic surfaces • Such linked measurements are needed for: • Reliable interpretations of satellite inversions • Refining model products  • Climate forcing assessment in terms of emissions and/or mitigation strategies

  32. Pearl 08 April 19:03 UTC MISR Path 046 Orbit 44189 Block 25; Lat 80.05˚ Lon -86.42; SZA 73.0˚ Eureka 4/8 17:00 UTC 4/8 18:00 UTC 4/8 16:28 UTC 4/8 17:24 UTC Pearl AERONET Site P-3 Flight Path Pearl 08 April 20:41 UTC MISR Path 062 Orbit 44190 Block 22; Lat 80.05˚ Lon -86.42; SZA 75.2˚ 4/8 18:00 UTC See Kahn Talk 4/8 17:00 UTC 4/8 16:28 UTC 4/8 17:24 UTC

  33. Pearl 08 April 20:41 UTC MISR Path 062 Orbit 44190 Block 22; Lat 80.05˚ Lon -86.42; SZA 75.2˚ Eureka See Kahn Talk P-3 Flight Path 4/8 18:00 UTC 4/8 17:00 UTC 4/8 16:28 UTC 4/8 17:24 UTC

  34. April 8, 2008 PEARL CIMEL (500 nm) N. O’Neill Arctic haze skullduggery? light cloud b [m-1 sr-1] Ed Eloranta's AHSRL profiles (532 nm) d [%] E. Eloranta

More Related