Description of the Convair580 data collected during the HIWC project in Cayenne, May 2015

date data prepared: 2017-05-18
two types of file are included

Convair_1sAvg_BulkData_YYMMDD[am|pm].csv:

time (s)                            seconds since start of day of takeoff. (date in file name)
									time signifies then endpoint of the 1s averaging 
Air Temperature  (C)                Convair580 geoid altitude
Pressure (mb)                       AIMMS20 
True airspeed (m/s)                 AIMMS20 
Altitude (C)                        AIMMS20 
Vertical Wind Speed (m/s)           AIMMS20 
Horizontal Wind Speed (m/s)         AIMMS20 
Horizontal Wind Direction (deg T)   AIMMS20 
Latitude(deg N)                     AIMMS20 
Longitude(deg E)                    AIMMS20 
Roll (deg)                          AIMMS20 
Pitch (deg)                         AIMMS20
Heading(deg T)                      AIMMS20
Ice detector frequency(Hz)          Rosemount Icing Detector 
Robust TWC (g/m3)                   Robust Probe: bias offset is NOT removed, collection efficiency is not applied 
IKP TWC (g/m3)                      Licor background humidity used when available. (May 25-27)
                                    May 10-23 calculated based on the assumption that the air in ice clouds is saturated
                                    with respect to ice i.e. Tfrost=Tair. Negative values removed.
FSSP Concentration (#/cm3)          Forward Scattering Spectrometer Probe operated in the size range 2-47um during flights on10-20May 
FSSP LWC (g/cm3)                    operated in the size range 2-32um during flights on 23-27May
CDP Concentration (#/cm3)           DMT Cloud Droplet Probe
CDP LWC (g/cm3) 
IWC-2D (g/cm3)                      Total mass calculated from Dmax size distribution from 2DS and PIP Optical array probes
									Using constant size to mass relationship from Brown&Francis 1995
Conc-2D (#/cm3)                     Total concentration calculated from Dmax size distribution from 2DS and PIP
MMDmax-2D (um)                      Median mass diameter calculated from Dmax size distribution from 2DS and PIP
									Size to mass parametrization for MMD from Leroy et al. 2016 Journal of Atmospheric and Oceanic Technology

Convair_1sAvg_SizeDist_Dmax_YYMMDD[am|pm].csv:

time(s)                             seconds since start of day of takeoff. (date in file name)
XX (#/L/um)                         particle concentration at bin size XX, normalized by bin size
                                    Distributions are composites of measurements from SPEC 2DS and DMT PIP optical array probes
                                    when either probe was malfunctioning, NAN is shown for all bin sizes.

NOTE: Flight on May14th 2015 was not included due to poor data quality.
									
Contact information: 
Alexei Korolev
Environment and Climate Change Canada/ Government of Canada
4905 Dufferin St, Toronto
Ontario, M3H 5T4, Canada
alexei.korolev@canada.ca /Tel: (416) 739-5716