The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols
Many relevant processes in tropospheric chemistry take place on rather small scales (e.g., tens to hundreds of meters) but often influence areas of several square kilometer. Thus, measurements of the involved trace gases with high spatial resolution are of great scientific interest. In order to iden...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2014-10-01
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| Series: | Atmospheric Measurement Techniques |
| Online Access: | http://www.atmos-meas-tech.net/7/3459/2014/amt-7-3459-2014.pdf |
| _version_ | 1828745434426769408 |
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| author | S. General D. Pöhler H. Sihler N. Bobrowski U. Frieß J. Zielcke M. Horbanski P. B. Shepson B. H. Stirm W. R. Simpson K. Weber C. Fischer U. Platt |
| author_facet | S. General D. Pöhler H. Sihler N. Bobrowski U. Frieß J. Zielcke M. Horbanski P. B. Shepson B. H. Stirm W. R. Simpson K. Weber C. Fischer U. Platt |
| author_sort | S. General |
| collection | DOAJ |
| description | Many relevant processes in tropospheric chemistry take place on rather small
scales (e.g., tens to hundreds of meters) but often influence areas of
several square kilometer. Thus, measurements of the involved trace gases with
high spatial resolution are of great scientific interest. In order to
identify individual sources and sinks and ultimately to improve chemical
transport models, we developed a new airborne instrument, which is based on
the well established Differential Optical Absorption Spectroscopy (DOAS)
method. The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) is a passive
imaging DOAS spectrometer, which is capable of recording horizontal and
vertical trace gas distributions with a resolution of better than 100 m.
Observable species include NO<sub>2</sub>, HCHO, C<sub>2</sub>H<sub>2</sub>O<sub>2</sub>,
H<sub>2</sub>O, O<sub>3</sub>, O<sub>4</sub>, SO<sub>2</sub>, IO, OClO and
BrO.
<br><br>
Here we give a technical description of the instrument including its
custom-built spectrographs and CCD detectors. Also first results from
measurements with the new instrument are presented. These comprise spatial
resolved SO<sub>2</sub> and BrO in volcanic plumes, mapped at Mt. Etna
(Sicily, Italy), NO<sub>2</sub> emissions in the metropolitan area of
Indianapolis (Indiana, USA) as well as BrO and NO<sub>2</sub>
distributions measured during arctic springtime in context of the BRomine,
Ozone, and Mercury EXperiment (BROMEX) campaign, which was performed 2012 in
Barrow (Alaska, USA). |
| first_indexed | 2024-04-14T04:01:55Z |
| format | Article |
| id | doaj.art-ce8e88805c574b20ae6bbf09b4533686 |
| institution | Directory Open Access Journal |
| issn | 1867-1381 1867-8548 |
| language | English |
| last_indexed | 2024-04-14T04:01:55Z |
| publishDate | 2014-10-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Measurement Techniques |
| spelling | doaj.art-ce8e88805c574b20ae6bbf09b45336862022-12-22T02:13:31ZengCopernicus PublicationsAtmospheric Measurement Techniques1867-13811867-85482014-10-017103459348510.5194/amt-7-3459-2014The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosolsS. General0D. Pöhler1H. Sihler2N. Bobrowski3U. Frieß4J. Zielcke5M. Horbanski6P. B. Shepson7B. H. Stirm8W. R. Simpson9K. Weber10C. Fischer11U. Platt12Institute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyPurdue University, Dept. of Chemistry, West Lafayette, IN, USAPurdue University, Dept. of Aviation Technology, West Lafayette, IN, USADepartment of Chemistry and Biochemistry, University of Alaska, Fairbanks, AK, USAUniversity of Applied Sciences, Environmental Measurement Techniques, Düsseldorf, GermanyUniversity of Applied Sciences, Environmental Measurement Techniques, Düsseldorf, GermanyInstitute of Environmental Physics, University of Heidelberg, Heidelberg, GermanyMany relevant processes in tropospheric chemistry take place on rather small scales (e.g., tens to hundreds of meters) but often influence areas of several square kilometer. Thus, measurements of the involved trace gases with high spatial resolution are of great scientific interest. In order to identify individual sources and sinks and ultimately to improve chemical transport models, we developed a new airborne instrument, which is based on the well established Differential Optical Absorption Spectroscopy (DOAS) method. The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) is a passive imaging DOAS spectrometer, which is capable of recording horizontal and vertical trace gas distributions with a resolution of better than 100 m. Observable species include NO<sub>2</sub>, HCHO, C<sub>2</sub>H<sub>2</sub>O<sub>2</sub>, H<sub>2</sub>O, O<sub>3</sub>, O<sub>4</sub>, SO<sub>2</sub>, IO, OClO and BrO. <br><br> Here we give a technical description of the instrument including its custom-built spectrographs and CCD detectors. Also first results from measurements with the new instrument are presented. These comprise spatial resolved SO<sub>2</sub> and BrO in volcanic plumes, mapped at Mt. Etna (Sicily, Italy), NO<sub>2</sub> emissions in the metropolitan area of Indianapolis (Indiana, USA) as well as BrO and NO<sub>2</sub> distributions measured during arctic springtime in context of the BRomine, Ozone, and Mercury EXperiment (BROMEX) campaign, which was performed 2012 in Barrow (Alaska, USA).http://www.atmos-meas-tech.net/7/3459/2014/amt-7-3459-2014.pdf |
| spellingShingle | S. General D. Pöhler H. Sihler N. Bobrowski U. Frieß J. Zielcke M. Horbanski P. B. Shepson B. H. Stirm W. R. Simpson K. Weber C. Fischer U. Platt The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols Atmospheric Measurement Techniques |
| title | The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols |
| title_full | The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols |
| title_fullStr | The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols |
| title_full_unstemmed | The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols |
| title_short | The Heidelberg Airborne Imaging DOAS Instrument (HAIDI) – a novel imaging DOAS device for 2-D and 3-D imaging of trace gases and aerosols |
| title_sort | heidelberg airborne imaging doas instrument haidi a novel imaging doas device for 2 d and 3 d imaging of trace gases and aerosols |
| url | http://www.atmos-meas-tech.net/7/3459/2014/amt-7-3459-2014.pdf |
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