PEM-West A Investigators

Principal Investigators and Measurements on DC-8 Aircraft

Principal Investigator(s) Institution Measurements
A. Bandy and
D. Thornton
Drexel University DMS, SO2, OCS, CS2
J. Barrick NASA Langley Research Center zenith and nadir UV Radiation
Eppley radiometer
J. Bradshaw and
S. Sandholm
Georgia Institute of Technology NOa, NO2, NOyb
E. Browell NASA Langley Research Center O3 vertical profiles,
Aerosol vertical profiles
G. Gregory NASA Langley Research Center O3, CO2 and Aerosol density
B. Heikes University of Rhode Island H2O2, H2O2, and CH3OOH
K. Kelly NOAA H2O
Y. Kondo Nagoya University NO, NOy
S. Rowland and
D. Blake
University of California, Irvine CFC-12, CFC-11, CFC-113, CFC-114, CH3CCl3, CH2Cl2, C2HCl3, CCl4, C2Cl4, Ethane, Ethene, Propane, Propene, i_butane, n_butane, Ethyne, 1_butene, i_pentane, n_pentane, n_hexane, Isoprene, Benzene,Toluene,
G. Sachse NASA Langley Research Center CO, N2O, CH4
H. Singh NASA Ames Research Center PAN, PPN, C2Cl4
R. Talbot University of New Hampshire HNO3, HCOOH, CH3COOH, CH3(CO)COOH, Chloride, Nitrate, Oxalate, Phosphate, Sulfate, Methylsulfonate, Ammonium, Sodium Potassium, Magnesium, Calcium, Aluminum. Vanadium, Be-7, Pb-210
DC-8 aircraft NASA Ames Research Center Aircraft ephemeris data, Surface temperature,
Dew point (2- and 3-stage frost pt. hygrometer)
a NO measurements archived for 1, 10, and 100 sec integration times
b Investigators have included comments files in the archives stating that their NOy values also reflect artifacts   associated with conversion of nonreactive nitrogen compounds.
c Vertical averaging interval equal to 300 m (nadir) and 600 m (zenith);
  horizontal averaging equal to 30 sec or ~170 km.
d Vertical sampling interval equal to 60 m;
  horizontal sampling interval equal to 1.8 s or ~4 km
e For total particle count >100 particles in 10 s.

Modeling and Meteorological Studies

Principal Investigator(s) Institution Study
S. C. Liua and
S. A. McKeen
Georgia Inst. of Tech.
NOAA Aeronomy Lab.
3-D photochemical model
J. Rodriguez and
D. Sze
Atmospheric Environ. Research, Inc. photochemical steady state box model (diurnal and pt-by-pt)
D. D. Davis a and
W. Chameides
Georgia Inst. of Tech. Photochemical box model
Zhou X. Academy of Meteorological Sciences 3-D regional, Eulerian model
J. T. Merill University of Rhode Island NMC global analysis for kinematic trajectories
R. E. Newellb Massachusetts Inst. of Technology physical process governing trace gas distributions
a Co-mission scientists.
b Mission Meteorologist.

Ground-Based Measurements During APARE/PEM-West A

Species/Parameter Location Principal Investigator Institution
Climate and Air Quality Taiwan Station (CATS)      
Aerosol composition
SO42-, NO3-, Cl-
Ken-Ting, Taiwan Gaston, J.C. Wu National Taiwan Normal University
C2H4, C2H6, C3H8, C4H10, C3H6, C4H8, C5H12, CO Ken-Ting, Taiwan Tai-Ly Tso National Tsing Hua University
C6H14, C6H6, C7H16, C7H8, C8H18, C8H10, SO2 Ken-Ting, Taiwan Jiunn-Guann Lo Nat'l Tsing Hua University
O3, NOx Ken-Tin, Taiwan Martin Buhr
Gloria Hsu
National Taiwan University
Surface meteorology Ken-Ting, Taiwan Chung-Ming Liu National Taiwan University
CO, O3 Oki, Japan Hajime Akimoto NIES
O3 Okinawa, Japan Hajime Akimoto NIES
O3 Tsushima, Japan Hajime Akimoto NIES
NO, NOy Oki, Japan Daniel Jaffee University of Alaska
China Station      
O3, SO2, NO, NOx, NOy, HNO3, NO3, SO4 Lin An, China Michael Rodgers Georgia Institute of Technology
SO2, O3, NO2, NOx, NOy
black carbon, surface meteorology
Lin An, China Zhou Xiuji Academy of Meteorological Sciences
PEM-West A      
Aerosol composition
Al, Br, Ca, Cl, Cu, I,Mg, Mn, Na, V
Cheju, Korea
Kat-O, Hong Kong
Ken-Tin, Taiwan
Richard Arimoto University of Rhode Island
Aerosol composition
Cl-, NO3-, SO4-, Na+, MSA, NH4+
Midway Island
Oahu, Hawaii
Okinawa, Japan
Shemya, Alaska
Joseph Prospero University of Miami
Halocarbons/RONO2 Mauna Loa, Hawaii Elliot Atlas NCAR
CN, nephelometer Mauna Loa, Hawaii Barry Bodhaine NOAA CMDL
CH2O Mauna Loa, Hawaii Teresa Campos NCAR
RO2 Mauna Loa, Hawaii Chris Cantrell
Jack Calvert
CH4 Mauna Loa, Hawaii Ed Dlugokencky NOAA CMDL
OH Mauna Loa, Hawaii Fred Eisele
David Tanner
Georgia Institute of Technology
Georgia Institute of Technology
CCl4, CFC-11, CFC-12,
CH3Cl3, N2O
Mauna Loa, Hawaii Jim Elkins NOAA CMDL
CO, NMHC Mauna Loa, Hawaii Jim Greenberg
Susan Schauffler
Formaldehyde, peroxide Mauna Loa, Hawaii Brian Heikes
Brian McCully
University of Rhode Island
University of Rhode Island
GC/MS Mauna Loa, Hawaii Deiter Helmig
Walt Pollock
Dew point, temperature, winds Mauna Loa, Hawaii Gary Hebert NOAA CMDL
Trajectories Mauna Loa, Hawaii Peter Hess
Kathy Mosher
Sasha Madronich
NOy, SO2 Mauna Loa, Hawaii Gerhard Hübler NOAA, CIRES
Peroxides (continuous HPLC) Mauna Loa, Hawaii Greg Kok
Thomas Staffelbach
HNO3, NO3 Mauna Loa, Hawaii John Lind
Teresa Campos
Dew point, temperature, winds Mauna Loa, Hawaii Denise Montzka
Jim Walega
coil method
Aldehyde cartridge method
Carbonyls in precipitation
Mauna Loa, Hawaii

X. Zhou
Y-N. Lee
K. Mopper

Brookhaven National Laboratory
Brookhaven National Laboratory
Washington State University
HNO3, NO3, Organic Acids Mauna Loa, Hawaii Dick Norton NOAA Aeronomy Laboratory
CO Mauna Loa, Hawaii Paul Novelli NOAA CMDL
O3 Mauna Loa, Hawaii Sam Oltmans NOAA CMDL
MN, PAN Mauna Loa, Hawaii Brian Ridley NCAR
NO, NO2, O3 Mauna Loa, Hawaii Brian Ridley
Jim Walega
j(NO2) actinometer
j(NO2) radiometer
j(O3) actinometer
UV biometer
Mauna Loa, Hawaii Rick Shetter
Chris Cantrell
CO2 Mauna Loa, Hawaii Pieter Tans NOAA CMDL
CH2O, HOOH Mauna Loa, Hawaii Gervase Mackay
Dave Karecki
Eppley UV radiometer Mauna Loa, Hawaii Jim Walega NCAR
Radon, thoron Mauna Loa, Hawaii Stewart Whittlestone ANSTO
NOAA: National Oceanic and Atmospheric Administration
NIES: National Institute for Environmental Sciences
NCAR: National Center for Atmospheric Research
CIRES: Cooperative Institute for Research in Environmental Sciences
ANSTO: Australian Nuclear Science and Technology Organization