Mission: Larsen D (priority: low)
This flight was first flown in 2014, designed to map elevation change in the area of the Larsen-D Ice Shelf, between the southern end of the Larsen-C and the northwestern Ronne ice shelves. It is designed primarily along ICESat tracks, supplemented by a 2002 NASA-Chilean line along the Peninsula's ridgeline and a new extension to the south. This mission is a condensed version of the three missions designed for this area for the 2012 OIB campaign but not flown until 2014.
The forecast today favored only a couple of low-priority missions, but Larsen D was most promising for this last flight of the deployment. Weak winds resulted in some short stretches of low clouds, limiting ATM/FLIR/CAMBOT/DMS data collection, but otherwise weather was as forecast with a persistent but high-altitude layer. ATM estimates 90% data collection along total flight track. ATM T5 was also turned on and was stable during the first half of the flight, but its pulse stability degraded noticeably during the second half. T6 performed well throughout. Large patches of blue ice were observed, including some along the cols and flanks of numerous nunataks. Multi-year sea ice was also observed and surveyed in the Weddell along the southwestern limits of the survey. A successful end to OIB’s 2016 Antarctic surveys.
All instruments performed well overall. MCoRDS data recording failed for about 20 minutes during the flight.
We conducted a ramp pass at 1500' on departure from PUQ.
Attached images are:
1. Map of today's flight
2. DC-8 shadow on a mountain in the Antarctic Peninsula (NASA / Maria-José Viñas)
3. Dirty blue ice, Antarctic Peninsula (NASA DMS / Dennis Gearhardt).
4. A canyon in shadow, Antarctic Peninsula (NASA DMS / Dennis Gearhardt).
|From:||SCCI - PUnta Arenas||To:||SCCI - Punta Arenas|
|Start:||11/18/16 13:57 Z||Finish:||11/19/16 01:04 Z|
|Flight Time:||11.1 hours|
|Log Number:||178010||PI:||Nathan Kurtz|
|Funding Source:||Bruce Tagg - NASA - SMD - ESD Airborne Science Program|
|Purpose of Flight:||Science|
|Comments:||An excellent final science flight of the 2016 DC-8 OIB campaign. All science instruments reported good data capture except for some degraded performance on ATM T5. About 10% of the targets were clouded. The aircraft returned in good shape. These flight lines were first flown in 2014, designed to map elevation change in the area of the Larsen-D Ice Shelf, between the southern end of the Larsen-C and the northwestern Ronne ice shelves. . Large patches of blue ice were observed, including some along the cols and flanks of numerous nunataks. Multi-year sea ice was also observed and surveyed in the Weddell along the southwestern limits of the survey. A successful end to OIB’s 2016 Antarctic surveys.|
|Flight Hours Approved in SOFRS||300|
|178010 Flight Reports|
|Date||Flt #||Purpose of Flight||Duration||Running Total||Hours Remaining|
|10/14/16 - 10/15/16||1140||Science||10.9||31.5||268.5|
|10/15/16 - 10/16/16||1141||Science||11.8||43.3||256.7|
|10/17/16 - 10/18/16||1142||Science||11.8||55.1||244.9|
|10/20/16 - 10/21/16||1143||Science||11.4||66.5||233.5|
|10/24/16 - 10/25/16||1145||Science||11.5||89||211|
|10/25/16 - 10/26/16||1146||Science||11.3||100.3||199.7|
|10/26/16 - 10/27/16||1147||Science||12.1||112.4||187.6|
|10/27/16 - 10/28/16||1148||Science||11.5||123.9||176.1|
|10/28/16 - 10/29/16||1149||Science||11||134.9||165.1|
|10/31/16 - 11/01/16||1150||Science||11||145.9||154.1|
|11/02/16 - 11/03/16||1151||Science||11.2||157.1||142.9|
|11/03/16 - 11/04/16||1152||Science||11.5||168.6||131.4|
|11/04/16 - 11/05/16||1153||Science||11.1||179.7||120.3|
|11/05/16 - 11/06/16||1154||Science||11.7||191.4||108.6|
|11/07/16 - 11/08/16||1155||Science||11.2||202.6||97.4|
|11/09/16 - 11/10/16||1156||Science||11.7||214.3||85.7|
|11/11/16 - 11/12/16||1158||Science||11.3||236.5||63.5|
|11/12/16 - 11/13/16||1159||Science||11.1||247.6||52.4|
|11/15/16 - 11/16/16||1161||Science||11.6||270.1||29.9|
|11/17/16 - 11/18/16||1162||Science||11.1||281.2||18.8|
|11/18/16 - 11/19/16||1163||Science||11.1||292.3||7.7|
Flight Reports began being entered into this system as of 2012 flights. If there were flights flown under an earlier log number the flight reports are not available online.