Arctic Boreal Vulnerability Experiment ABo VE 2017 ABo

Arctic Boreal Vulnerability Experiment (ABo. VE) 2017 ABo. VE Airborne Campaign National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pr el im in ar y 7 June 2017 (DOY 158) ATM-C: Inuvik – Fairbanks Charles Miller, Deputy Science Lead Jet Propulsion Laboratory, California Institute of Technology and the ABo. VE Science Team JPL Proprietary Information For Hank Margolis, Eric Kasichke, Bruce Tagg NASA HQ Summer 2017

7 June 2017/DOY 158 Inuvik – Fairbanks CARVE Assets Deployed: Inuvik – ATM-C/Mooney (N 617 DH)/Atmospheric CO 2, CH 4, CO Daily Summary: • All sensors operating nominally 2017 ABo. VE Airborne Campaign 2 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

7 June 2017/DOY 158 72 -Hour Look Ahead CARVE All plans weather dependent Thursday 8 June 2017 (DOY 159): • Fairbanks – Bethel – Nome Friday 9 June 2017 (DOY 160): • Nome – Barrow – Deadhorse – Fairbanks Saturday 10 June 2017 (DOY 161): • Rest 2017 ABo. VE Airborne Campaign 3 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

7 June 2017/DOY 158 Inuvik – Fairbanks HRPT NIR CARVE HRPT IR HRPT Polar NIR (left) and IR (right) show clear to partly cloudy conditions from the Mackenzie Delta through the Yukon Flats to Fairbanks 2017 ABo. VE Airborne Campaign 4 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

7 June 2017/DOY 158 Inuvik – Fairbanks CARVE Stevens Village The lakes and wetlands of the Mackenzie Delta, Old Crow Flats and the Yukon Flats 2017 ABo. VE Airborne Campaign 5 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

7 June 2017/DOY 158 Inuvik – Fairbanks CARVE Flight Plan: Inuvik – Old Crow – Fort Yukon – Fairbanks Inuvik Fort Yukon Old Crow Fairbanks 2017 ABo. VE Airborne Campaign 6 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

1 May 2017/DOY 122 Nome – North Slope – Fairbanks 2017 ABo. VE Airborne Campaign 7 Arctic Boreal Vulnerability Experiment CARVE ATM-C Circuit #2 June 2017

6 June 2017/DOY 157 Yellowknife – Daring Lake – Inuvik CARVE CO 2, CH 4, CO, H 2 O profiles vs altitude and latitude (left) and longitude (right) • Small near surface (Z < 1 km) CO 2 and CH 4 enhancements in all locations • Largest near surface H 2 O observed 64 -66 N and 165 W (furthest south and west) 2017 ABo. VE Airborne Campaign 8 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017

1 May 2017/DOY 122 Nome – North Slope – Fairbanks 2017 ABo. VE Airborne Campaign 9 Arctic Boreal Vulnerability Experiment CARVE ATM-C Circuit #2 June 2017

7 June 2017/DOY 158 Inuvik – Fairbanks CARVE CO 2 v CH 4 and CO 2 v CO tracer-tracer correlation plots with colors showing pressure altitude (top) and H 2 O (bottom) • Near surface CO 2 v CH 4 show evidence of both C release and C uptake • Largest CO 2 depletions correlate with H 2 O > 0. 70% • Largest CH 4 enhancements tied less strongly to max H 2 O 2017 ABo. VE Airborne Campaign 10 Arctic Boreal Vulnerability Experiment ATM-C Circuit #2 June 2017