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Bae-146 ADIENT flight summaries, publication goals and future plans. Hugh Coe, Ellie Highwood, Gavin McMeeking, William Morgan and Megan Northway. Overview. Where/when we flew Data status/summary Publication goals High pressure characterisation Black carbon and mixing state

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Bae 146 adient flight summaries publication goals and future plans

Bae-146 ADIENT flight summaries, publication goals and future plans

Hugh Coe, Ellie Highwood, Gavin McMeeking, William Morgan and Megan Northway


Overview
Overview future plans

  • Where/when we flew

  • Data status/summary

  • Publication goals

    • High pressure characterisation

    • Black carbon and mixing state

    • Organics composition

    • Nitrate and its influences

    • Optical properties

    • Radiation case study

  • June flying plans


13 December 2007 future plans

18 December 2007


19 December 2007 future plans

2 April 2008


16 April 2007 future plans

10 May 2008


18 September 2008 future plans

19 September 2008


23 September 2008 future plans

24 September 2008


23 September 2008 future plans


Mean scattering coefficient (550 nm) for all low-level (<3000 feet) periods

DEC 07

Radiation flight(Ireland)

Baltic

SEP 08

APR 08

High pressure system


Bae-146 data status/summary (<3000 feet) periods

(http://personalpages.manchester.ac.uk/staff/gavin.mcmeeking/datastatussummary.html)

Instrument performance good, data in final form

Instrument performance good, data require processing

Instrument performance questionable

Instrument performance poor or installed

Data status table


Paper 1 characterisation of aerosol properties during the high pressure period of eucaari longrex
Paper 1: (<3000 feet) periods Characterisation of aerosol properties during the high pressure period of EUCAARI-LONGREX

  • Lead: Thomas Hamburger (DLR)

  • Summary: Describe meteorological conditions and aerosol physical properties during the high pressure system dominant 5-14 May (EUCAARI-LONGREX)

  • Combine PCASP, SMPS, CPC and OPC (sizing) data from the BAe-146 and the DLR Falcon


Sources of aerosol sizing information on the -146. (<3000 feet) periods

600

600

Example of re-processed SMPS data (B366).

“fixed”

AIM

“fixed”

AIM


Paper 2 measurements of black carbon and its mixing state over northern europe
Paper 2: Measurements of black carbon and its mixing state over northern Europe

  • Lead: Gavin McMeeking (Manchester)

  • Summary: Describe spatial and temporal distributions of black carbon measured by the SP-2 during ADIENT and EUCAARI-LONGREX.

  • Also examine extent of black carbon mixing state (coating thickness, number of coated particles) in the near-field and far-field regimes.

  • Status: Need final, re-processed SP-2 data (issues related to flow at high altitudes)


Single particle soot photometer over northern Europe

Schwarz et al. [2006], JGR


Incandescence channel: over northern EuropeMeasure of BC mass loading (and volume equivalent diameter if density is assumed).

Result: BC size distributions and mass/number concentrations (limited size range).

Scattering channel: Measure of aerosol size and coating thickness (for particles with BC core).

Result: “Scattering aerosol” size distribution and mass/number concentrations. Coating thickness!


Examples spatial distribution
Examples spatial distribution over northern Europe


Example of similar analysis
Example of similar analysis over northern Europe

From Schwarz et al. [2008], GRL





Adient june 2009 flying period
ADIENT June 2009 flying period EUCAARI

  • 26 May – 2 July 2009

  • ~50 hours

  • Operating in conjunction with:

    • VISURB: 12-15 hours

    • APPRAISE Clouds: 20 hours

    • Cirrus project: 15 hours

  • Have requested weekend flying, double crews to maximize flying in the window


General approach
General approach EUCAARI

  • Flexibility: “Fly the best mission for the conditions”

    • Round Britain (e.g., B406)

    • Coastal work in easterly or westerly conditions

  • M-25 special case study

  • Suitcase opportunities: short overnights to find clear sky conditions suitable for radiation flights


M 25 case study
M-25 case study EUCAARI

  • Work in tandem with a vehicle-based lidar moving (or not) along the M-25 (J. Haywood, MetOffice)


Important additions changes to aircraft payload
Important additions/changes to aircraft payload EUCAARI

  • Retrofitted PCASP (better flow monitoring and channel resolution/electronics)

  • Mini-lidar (?)

  • Upgraded SMPS software (built in flow and pressure corrections, real-time access during flights)

  • Upgraded cTOF-AMS software (Fast-MS mode)

  • SP-2 flow control fixed

  • More/better calibrations


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