Global Observations of Aerosol and Ozone from SAGE III ISS A First - PowerPoint PPT Presentation

Global Observations of Aerosol and Ozone from SAGE III ISS – A First Year Showcase 46 th Global Monitoring Annual Conference SAGE III ISS Global Perspective Kevin Leavor Kevin R. Leavor 1 SAGE Overview NDACC kevin.r.leavor@nasa.gov Contributions Suzan Kizer 1 , Travis Knepp 1 SAGE Wildfire Marilee Roell 2 , David Flittner 2 Observations Satellite Aerosol/Ozone 1 Science Systems and Applications, Inc. Conclusion 1 Enterprise Parkway, Suite 200 Hampton, Virginia 23666 Questions 2 NASA Langley Research Center 22 May 2018 1 / 12

SAGE III ISS Overview Sensor Instrument Control Assembly Electronics (SA) (ICE) Hexapod Hexapod Electronics Unit Mechanical SAGE III ISS (HEU) Assembly Global Perspective (HMA) Contamination Monitoring Package (CMP) Contamination Kevin Leavor Monitoring Package (CMP) SAGE Overview NDACC Contributions Interface Adapter Module Disturbance (IAM) Monitoring SAGE Wildfire Package ExPRESS (DMP) Payload Adapter Observations (ExPA) Satellite Aerosol/Ozone ◮ Stratospheric Aerosol and Gas Experiment III (SAGE III) is an external Conclusion payload that was launched on SpaceX CRS-10 on 19 February 2017 and Questions robotically installed on ELC-4. ◮ 67 profiles within 1000 km of Boulder, 18 within 500 km, and 9 within 500 km and 2 ◦ latitude as of 31 March 2018. 2 / 12

NDACC/SAGE Comparisons — Ozone SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite Aerosol/Ozone Conclusion Questions See Susan Kizer, “Validation of the Stratospheric Aerosol and Gas Experiment III on the International Space Station (SAGE III/ISS) Science Data Ozone Product: Preliminary Results,” P-51 at the Poster Session. 3 / 12

NDACC/SAGE Comparisons — Ozone SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite Aerosol/Ozone Conclusion See Travis Knepp, “Validation of the Stratospheric Aerosol and Gas Questions Experiment-III (SAGE-III) Aerosol Data Product,” P-50 at the Poster Session. 4 / 12

Pacific Northwest Wildfires/PyroCb Before Aerosol Extinction SAGE III ISS SAGE III ISS 756nm Aerosol Extinction at 20.0 km from June 2017 to August 2017 (km 1 ) 10 3 80°N Global Perspective 60°N Kevin Leavor 40°N SAGE Overview 20°N NDACC 10 4 0° Contributions SAGE Wildfire 20°S Observations 40°S Satellite Aerosol/Ozone 60°S 80°S 10 5 Conclusion 180° 180° 150°W 120°W 90°W 60°W 30°W 0° 30°E 60°E 90°E 120°E 150°E 180° 180° lat_binsize: 5.0 lon_binsize: 10.0 Questions ◮ Uniform stratospheric aerosol layer before summer wildfires. 5 / 12

Pacific Northwest Wildfires/PyroCb Concurrent Aerosol Extinction SAGE III ISS SAGE III ISS 756nm Aerosol Extinction at 20.0 km from August 2017 to September 2017 (km 1 ) 10 3 80°N Global Perspective 60°N Kevin Leavor 40°N SAGE Overview 20°N NDACC 10 4 0° Contributions SAGE Wildfire 20°S Observations 40°S Satellite Aerosol/Ozone 60°S 80°S 10 5 Conclusion 180° 180° 150°W 120°W 90°W 60°W 30°W 0° 30°E 60°E 90°E 120°E 150°E 180° 180° lat_binsize: 5.0 lon_binsize: 10.0 Questions ◮ Sparse observations of up to 10 × increase of aerosol extinction in layer. 5 / 12

Pacific Northwest Wildfires/PyroCb After Aerosol Extinction SAGE III ISS SAGE III ISS 756nm Aerosol Extinction at 20.0 km from October 2017 to December 2017 (km 1 ) 10 3 80°N Global Perspective 60°N Kevin Leavor 40°N SAGE Overview 20°N NDACC 10 4 0° Contributions SAGE Wildfire 20°S Observations 40°S Satellite Aerosol/Ozone 60°S 80°S 10 5 Conclusion 180° 180° 150°W 120°W 90°W 60°W 30°W 0° 30°E 60°E 90°E 120°E 150°E 180° 180° lat_binsize: 5.0 lon_binsize: 10.0 Questions ◮ Aerosol dispersed through Northern latitudes after fires ceased. 5 / 12

Zonal Mean Aerosol Extinction SAGE III ISS Zonal Mean Aerosol Extinction Aerosol Extinction (km 1 ) 07 June 2017 to 31 March 2018, 1021.2nm, 20.0km 60 N 4 3 × 10 SAGE III ISS Global Perspective 40 N Kevin Leavor 20 N 2 × 10 4 SAGE Overview Latitude 0 NDACC Contributions 20 S SAGE Wildfire Observations 40 S 10 4 Satellite Aerosol/Ozone 60 S Conclusion Questions Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr 2017 2017 2017 2017 2017 2017 2017 2018 2018 2018 2018 Date ◮ Clear injection of aerosols into stratosphere with latitudinal dispersion. 6 / 12

Aerosol Validation — OSIRIS, Co-Located SAGE 756nm to OSIRIS 750nm Relative Difference between SAGE 756nm and Aerosol Extinction Coefficient OSIRIS 750nm Aerosol Extinction Coefficient 45 SAGE III ISS: 2017-12-02 16:06, LL=(-37.57, -172.40) SAGE to OSIRIS: 2017-12-02 18:13, 59km OSIRIS: 2017-12-02 18:13, LL=(-37.32, -172.98), d=59km 40 SAGE III ISS Global Perspective 35 Kevin Leavor Geometric Altitude (km) 30 SAGE Overview NDACC 25 Contributions 20 SAGE Wildfire Observations 15 Satellite Aerosol/Ozone 10 Conclusion Questions 5 10 7 10 6 10 5 10 4 10 3 10 2 100 75 50 25 0 25 50 75 100 Aerosol Extinction Difference (% from SAGE) Aerosol Extinction Coefficient (km 1 ) ◮ Independent, nearly concurrent observations of an effectively aerosol-free layer in the stratosphere. 7 / 12

Aerosol Validation — Groundtracks, OMPS O 3 SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite Aerosol/Ozone Conclusion Questions ◮ Profiles intersect “Clean” filament to North. 8 / 12

Aerosol Validation — Groundtracks, OMPS O 3 SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite Aerosol/Ozone Conclusion Questions ◮ Profiles intersect “Clean” filament to North. 8 / 12

Ozone Validation — OSIRIS SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite Aerosol/Ozone Conclusion Questions ◮ Layer not present in the following OSIRIS profile to the Southwest. 9 / 12

Ozone Validation — ACE-FTS Comparison of the Average of all SAGE AerO 3 Average of All Relative Differences Between and ACE-FTS O 3 Coincident Profiles Coincident SAGE and ACE Profiles 60 SAGE III ISS 50 Global Perspective Kevin Leavor Geometric Altitude (km) 40 SAGE Overview NDACC Contributions 30 SAGE Wildfire Observations 20 Satellite Aerosol/Ozone Conclusion 10 10 10 10 11 10 12 10 13 20 15 10 5 0 5 10 15 20 Questions % Relative Difference [(SAGE - ACE) / SAGE * 100] Ozone Concentration (cm 3 ) ±0% Difference Average All SAGE Coincidences (N=69) ±5% Difference Average All ACE-FTS Coincidences (N=69) ±10% Difference ◮ SAGE and ACE compare to within 5% for most of the stratosphere. 10 / 12

Conclusions SAGE III ISS ◮ GMD offers significant opportunities for collaborative research and Global Perspective Kevin Leavor validation. ◮ NDACC ozonesondes and lidar already play a crucial role in validation and SAGE Overview NDACC explanatory efforts. Contributions ◮ SAGE III ISS’s first year has shown tremendous promise for the new SAGE Wildfire Observations instrument. Satellite Aerosol/Ozone ◮ Both ground and satellite coincident observations will be crucial in future Conclusion data releases. Questions 11 / 12

Questions? SAGE III ISS Global Perspective Kevin Leavor SAGE Overview NDACC Contributions SAGE Wildfire Observations Satellite More info at https://sage.nasa.gov / Aerosol/Ozone Data can be found at Conclusion https://eosweb.larc.nasa.gov/project/sageiii-iss/sageiii-iss_table . Questions 12 / 12