Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMI

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Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMI. Royal Netherlands Meteorological Institute Ministry of Infrastructure and Environment. An update on the NO 2 sonde. ESA’s Innovation Triangle Innitiative. - PowerPoint PPT Presentation

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  • Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMIRoyal Netherlands Meteorological InstituteMinistry of Infrastructure and EnvironmentAn update on the NO2 sonde

  • ESAs Innovation Triangle InnitiativeProgramme to foster the introduction of breakthrough innovations and technologies for space applications.

    Purpose is to make the NO2 sonde ready for serial production:improve the calibration procedureimprove the designtransfer the knowledge to industryCooperation with GRAW radiosondes to produce the sondeDuration of this project: 15 monthsExternal reviewer/advisor: Michel Van Roozendael, BIRA Aim: user evaluation model end 2013, GRAW product end 2015

  • MAXDOAS retrievals 25 JunePicture from Folkard Wittrock, IUPBNO2 sonde 25 June

  • What happened after CINDI?

  • DISCOVER-AQ campaign 2011, USAaircraft and tethered balloon measurementsNO2 sonde CRDSprofile measured during aircraft descend, 20 Julythanks to: Russ Dickerson (UMD) and Richard Clark (Millersville Univ)

  • PEGASOS campaign May 2012, NetherlandsWeather balloonMarc and Ankie with 2 sondesZeppelin2 MAX-DOAS-sesNOx analyser

  • On-ground comparisons with NOx analyser (BLC)~500 m distanceside-by-side measurementRIVM NOx analyser NO2 sonde 1 min. average of NO2 sondedata: Lou Gast, RIVMbottle #2bottle #1#3Sensitivity of luminol increases with time

  • 500 m6:007:008:309:45AQ model (H. Elbern, Univ. Cologne)1200 m0 m27-5-2012

  • Comparing with modelsmodel data: Henk Eskes and Patricia Castellanos, KNMI

  • 24h backtracjectory 7 Dec, 8:00 UT, 1km NO2 above BL 6 Dec, 15:00 UT

    NO2 profiles along trajectorie

  • Next stepsWhat determines/affects sensitivity?Optimise designOptimise calibration procedureTransfer knowledge to GRAW radiosondes

    And also:Analyse DISCOVER-AQ and PEGASOS dataDemonstrate the use for: Model evaluationMAX-DOAS interpretationSatellite validation

  • Chasing the sondes during PEGASOS


Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMI

Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMI

Development of the NO2 sonde Wesley Sluis Ankie PitersMarc Allaart.

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Recommendation 5: Radiographs in Patients with UPIA study. Arthritis Rheum. 2004 Mar; 50(3):709-715 2) van Aken J, van Dongen H, le Cessie S, Allaart CF, Breedveld FC, Huizinga TW.

Recommendation 5: Radiographs in Patients with UPIA study. Arthritis Rheum. 2004 Mar; 50(3):709-715 2) van Aken J, van Dongen H, le Cessie S, Allaart CF, Breedveld FC, Huizinga TW.

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Ankie Piters, Marc Allaart, Wesley Sluis, Wytze Lenstra, KNMI Royal Netherlands Meteorological Institute Ministry of Infrastructure and Environment An.

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Plans to study horizontal NO 2 distribution Ankie Piters, Tim Vlemmix, KNMI data from: INTA, IUPB, JAMSTEC, KNMI, Leicester, NASA Objectives: –Satellite.

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