NCAR/NSF C-130 Chemistry Peroxides Data
https://data.eol.ucar.edu/dataset/87.007

Summary
The gas phase peroxide data reported herein were obtained using the method
described in Lee et al., J. Atmos. Ocean. Tech., 1995, flown on board the NCAR
C-130 platform during the RICO, Rain in Cumulus over the Ocean, experiment
between December 3, 2004, and January 27, 2005, based out of Antigua. Hydrogen
peroxide is symbolically represented by H2O2. Methylhydroperoxide is
symbolically given by CH3OOH. The measurements are given as molecular mixing
ratios; molecules of specific gas per molecules of whole air times
1,000,000,000,000. or ppt-v. The partial pressure of a specific gas can be
calculated by: P(H2O2) = MixingRatio(pptv) * P(air) /1,000,000,000,000. The
goal of RICO was a detailed understanding of rain formation in shallow "warm"
cumulus clouds over the ocean. Objectives included following the number
density distributions and chemical evolution of aerosol, cloud condensation
nuclei, cloud droplets, and precipitation. Sulfur gas and partcile chemistry
leading to sulfate was consider a key process and the measurements of
peroxides are directly related to particulate sulfate formation. Updated on
2006/01/03 with revised data files: correct lag time errors in CVI to
air_sample changes in sample mode (and vice versa). Remove H2O2 data during
noted periods of inlet condensation; primarily during initial decent after 1st
high altitude circle at 5km and 1/2 way through first lower altitude circle.
Corrected limit of detection of methylhydroperoxide (15 -> 30 ppt) and its
estimated uncertainty

Identifiers
 * Local archive identifier: 87.007
 * doi:10.26023/HKAK-11RZ-YE10
   https://doi.org/10.26023/HKAK-11RZ-YE10

Versions
  1.0

Citation
 Heikes, B., Heikes, B. 2006. RICO: NCAR/NSF C-130 Chemistry Peroxides Data.
 Version 1.0. UCAR/NCAR - Earth Observing Laboratory.
 https://doi.org/10.26023/HKAK-11RZ-YE10 Accessed 26 Apr 2024.

Additional citation styles can be generated by entering the DOI
at CrossCite (https://citation.crosscite.org/).

Acknowledgement
In addition to the citation reference and any other acknowledgements,
please acknowledge NCAR/EOL in your publications with text such as:

  Data provided by NCAR/EOL under the sponsorship of
  the National Science Foundation.
  https://data.eol.ucar.edu/

Related projects
 * RICO: Rain in Cumulus Over the Ocean
   https://data.eol.ucar.edu/project/RICO

Additional information
 * Spatial Type: unknown
 * Frequency: no set schedule
 * Language: English

Categories
 * Aircraft
 * Chemistry

Platforms
 * NSF/NCAR C-130

Instruments
 * High-Performance Liquid Chromatograph - HPLC

GCMD Science Keywords
 * EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > HYDROGEN COMPOUNDS > HYDROPEROXY

Documentation
 * URI_peroxides_readme.txt [4 KiB]
   https://data.eol.ucar.edu/file/download/3FB69B8/URI_peroxides_readme.txt

Related links
 * homepage: RICO Homepage
   https://www.eol.ucar.edu/field_projects/rico
 * info: RICO Data Policy
   https://www.eol.ucar.edu/content/rico-data-policy
 * info: RICO Missions
   http://catalog.eol.ucar.edu/rico/catalog/missions.html

Temporal coverage
 * Begin datetime: 2004-12-03 00:00:00 
 * End datetime: 2005-01-27 23:59:59 

Spatial coverage
 * Maximum (North) Latitude: 21.00
 * Minimum (South) Latitude: 15.00
 * Minimum (West) Longitude: -72.00
 * Maximum (East) Longitude: -55.00

Primary contact information
 * pointOfContact: EOL Data Support <datahelp@eol.ucar.edu>
   https://data.eol.ucar.edu/contact/show/1

Additional contact information
 * author: Brian Heikes <bheikes@gso.uri.edu>
   https://data.eol.ucar.edu/contact/show/633
 * originator: Brian Heikes <bheikes@gso.uri.edu>
   https://data.eol.ucar.edu/contact/show/633
 * principalInvestigator: Brian Heikes <bheikes@gso.uri.edu>
   https://data.eol.ucar.edu/contact/show/633

Alternate metadata formats
 * DataCite: https://data.eol.ucar.edu/dataset/87.007?format=datacite
 * ISO/TC 211: https://data.eol.ucar.edu/dataset/87.007?format=isotc211