NCAR Research Aviation Facility CSU visit 11-April-2007 Dave Rogers -

Airborne Research Outline U.S. Federal airborne science fleetU.S. Federal airborne science fleet NSF C-130 & HIAPERNSF C-130 & HIAPER Anatomy of RAFAnatomy of RAF PACDEXPACDEX Tour C-130 & G-VTour C-130 & G-V

Corporation of North American universities mission = advance national interests & capabilities in atmospheric & related sciences. UCAR NCAR NSF-funded research & development center - missions in research, facilities, education, tech transfer EOL Provides observing system tools for world-wide research UCAR Mesa Lab Boulder CO RAF Airborne research

Federal Airborne Science Fleet NOAA P-3 NASA ER-2 NASA DC-8 USN P-3 UND

Federal Airborne Science Fleet NASA WB-57 NASA Twin Otter NASA Proteus DOE G-1

Univ. Wyoming King-Air University Aircraft UND Citation S. Dakota T-28

EOL Systems: Partnerships NCAR Electra - retired NRL P-3 now carries NCAR Doppler radar

C130 Research Aircraft Atmospheric Boundary Layer Atmospheric Boundary Layer OceanographyOceanography Air/Sea InteractionAir/Sea Interaction Cloud PhysicsCloud Physics Tropospheric ProfilingTropospheric Profiling Radiometric MeasurementsRadiometric Measurements Atmospheric ChemistryAtmospheric Chemistry Aerosol MeasurementsAerosol Measurements 10 Hours Endurance Range 3100 nm Max Operating Altitude 26,000 ft 23,000 lb (13,000 with max fuel) Electrical Power – 115 Vac 400 Hz; – 115Vac 60 Hz; – 28Vdc

C-130 basic instruments basic instruments adjustable configurations adjustable configurations investigator instruments investigator instruments

Gulfstream-V Modifications 2003 – missions: ProgSci 2005, T-REX 2006, PACDEX 2007 HIAPER High-performance Instrumented Airborne Platform for Environmental Research

HIAPER - performance Endurance10 h Range6,000 nm Air speeds120 – 230 m/s Altitude Max51,000 ft Payload 3,400 lb Crew2 pilots + 8 sci Electrical Power – 115/208 vac 400 Hz; – 115 vac 60 Hz; – 5 28 vdc

RAF Strength: Great Staff

Field Project Support RAF staff of 35 people: project management scientistsproject management scientists software engineerssoftware engineers electrical & instrumentation engineerselectrical & instrumentation engineers aeronautical engineeraeronautical engineer instrument techniciansinstrument technicians aircraft mechanicsaircraft mechanics pilots & flight engineerspilots & flight engineers scientistsscientists administrationadministration

Data Systems, Software, Processing, and Archival tools for data display and analysis free! -

RAF Field Projects Earlier projects: 2000 TOPSE – Greenland to Manitoba 1999 MAPS – Italy-Austria-Switzerland 1999 INDOEX - Indian Ocean 1998 SHEBA - Alaska

PACDEX - tracking Asian dust plume

JAPAN Russian Airspace Hawaii 1 hr PACDEX Japan-Japan Flight Possible plume = step descent/ascent profiles deviating to sample clouds (See next figures) Get above plume During ferry to Sampling region Plume track determined by forecast (only one plume)

PACDEX - wing store instruments UHSAS = aerosol size distr nmUHSAS = aerosol size distr nm CDP = cloud droplet probe, µmCDP = cloud droplet probe, µm 2DC = cloud particle size distr & images ~ µm2DC = cloud particle size distr & images ~ µm SID-2H = cloud particle size distr & phase, µmSID-2H = cloud particle size distr & phase, µm RICE = supercooled cloud waterRICE = supercooled cloud water King = liquid water condensate (g m -3 )King = liquid water condensate (g m -3 ) video = forward lookingvideo = forward looking

PACDEX – cabin 2 – pilots 1 – mechanic 7 - science crew 9 - instrument racks

PACDEX - cabin instruments state parameters (T, P, humidity) + windsstate parameters (T, P, humidity) + winds water vaporwater vapor ozoneozone CO = carbon monoxideCO = carbon monoxide HARP = radiation (actinic flux + spectral irradiance ~ µm)HARP = radiation (actinic flux + spectral irradiance ~ µm) CVI = cloud condensate (> 5 µm, cloud particle residuals)CVI = cloud condensate (> 5 µm, cloud particle residuals) CFDC (CSU) = ice nucleating aerosol particlesCFDC (CSU) = ice nucleating aerosol particles CCN = cloud condensation nuclei (~0.2 – 1% ss)CCN = cloud condensation nuclei (~0.2 – 1% ss) SP-2 = soot particles (>100 nm size & conc)SP-2 = soot particles (>100 nm size & conc) streakers + impactor = aerosol particle collectors for SEM analysisstreakers + impactor = aerosol particle collectors for SEM analysis RDMA = aerosol size distribution (10 – 150 nm)RDMA = aerosol size distribution (10 – 150 nm) CN = total particle conc.CN = total particle conc. GNI = giant nuclei impactor ( > 2 µm)GNI = giant nuclei impactor ( > 2 µm) satcom = satellite telephone data communicationssatcom = satellite telephone data communications real-time display stations + Internet Relay chatreal-time display stations + Internet Relay chat more about PACDEX -

dynamic heating of air samples predictable from thermodynamics predictable from thermodynamics loss of volatile components from particles loss of volatile components from particles o

tour C-130 & HIAPER Photos of G-V’s green parts are not allowed. Otherwise, take all the pictures you want.

More information about RAF