Bae 146 adient flight summaries publication goals and future plans
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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

  • 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


Bae 146 adient flight summaries publication goals and future plans

13 December 2007

18 December 2007


Bae 146 adient flight summaries publication goals and future plans

19 December 2007

2 April 2008


Bae 146 adient flight summaries publication goals and future plans

16 April 2007

10 May 2008


Bae 146 adient flight summaries publication goals and future plans

18 September 2008

19 September 2008


Bae 146 adient flight summaries publication goals and future plans

23 September 2008

24 September 2008


Bae 146 adient flight summaries publication goals and future plans

23 September 2008


Bae 146 adient flight summaries publication goals and 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 adient flight summaries publication goals and future plans

Bae-146 data status/summary

(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: 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


Bae 146 adient flight summaries publication goals and future plans

Sources of aerosol sizing information on the -146.

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)


Bae 146 adient flight summaries publication goals and future plans

Single particle soot photometer

Schwarz et al. [2006], JGR


Bae 146 adient flight summaries publication goals and future plans

Incandescence channel: Measure 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


Example of similar analysis

Example of similar analysis

From Schwarz et al. [2008], GRL


Ratio of sp 2 scatter volume neph scattering during eucaari

Ratio of SP-2 scatter volume / neph scattering during EUCAARI


Clear altitude dependence b366

Clear altitude dependence (B366)


Bae 146 adient flight summaries publication goals and future plans

ADIENT June 2009 flying period


Adient june 2009 flying period

ADIENT June 2009 flying period

  • 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

  • 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

  • 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

  • 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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