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Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Geophysical Research: Atmospheres, 102, 1997, D5, S. 6215-6226 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Harder, J. W. Jakoubek, R. O. Mount, G. H. Harder, J. W. Jakoubek, R. O. Mount, G. H. |
|---|---|
| author |
Harder, J. W. Jakoubek, R. O. Mount, G. H. |
| spellingShingle |
Harder, J. W. Jakoubek, R. O. Mount, G. H. Journal of Geophysical Research: Atmospheres Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
harder, j. w. |
| spelling |
Harder, J. W. Jakoubek, R. O. Mount, G. H. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/96jd03608 <jats:p>In August and September 1993 a comparative study of tropospheric long‐path absorption techniques with in situ methods was performed for both the hydroxyl radical and the other important trace species. Long‐path measurements were made over the 10.3 km path between Fritz Peak Observatory and Caribou Mine in the mountains 17 km west of Boulder, Colorado. At Caribou Mine, a 121 element, 1 m<jats:sup>2</jats:sup> retroreflector array folds the optical path to give a total path of 20.6 km. The in situ instruments were located at Idaho Hill 0.5 km northwest of Caribou Mine. The optical design and analysis techniques used to obtain the path‐integrated concentrations of O<jats:sub>3</jats:sub>, CH<jats:sub>2</jats:sub>O, SO<jats:sub>2</jats:sub>, and NO<jats:sub>2</jats:sub> will be presented. The spectrograph used in this study is a 1/4 m double, crossed Czerny‐Turner that employs a diode array detector allowing the acquisition of 40 nm spectral bands in the near UV and visible spectral regions. This system also utilizes automatic alignment and self‐adjusting time integration so the system will acquire data in an unattended mode. The spectral bands selected for this study permit the simultaneous measurement of O<jats:sub>3</jats:sub>, NO<jats:sub>2</jats:sub>, CH<jats:sub>2</jats:sub>O, and SO<jats:sub>2</jats:sub>; NO<jats:sub>2</jats:sub> and H<jats:sub>2</jats:sub>O; and NO<jats:sub>3</jats:sub> and H<jats:sub>2</jats:sub>O. The data analysis uses a nonlinear least squares regression procedure to deduce the concentration of each of the species present in the atmosphere and also provides an effective method for removing the influence of scattered solar light for daytime measurements. An estimate of the measurement precision can be found by comparing atmospheric spectra analyzed with two different <jats:italic>I<jats:sub>O</jats:sub></jats:italic> spectra; one measured through the atmosphere and the other a direct arc lamp spectrum.</jats:p> Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment Journal of Geophysical Research: Atmospheres |
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10.1029/96jd03608 |
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Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik |
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| title |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_unstemmed |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_full |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_fullStr |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_full_unstemmed |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_short |
Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_sort |
measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 oh photochemistry experiment |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/96jd03608 |
| publishDate |
1997 |
| physical |
6215-6226 |
| description |
<jats:p>In August and September 1993 a comparative study of tropospheric long‐path absorption techniques with in situ methods was performed for both the hydroxyl radical and the other important trace species. Long‐path measurements were made over the 10.3 km path between Fritz Peak Observatory and Caribou Mine in the mountains 17 km west of Boulder, Colorado. At Caribou Mine, a 121 element, 1 m<jats:sup>2</jats:sup> retroreflector array folds the optical path to give a total path of 20.6 km. The in situ instruments were located at Idaho Hill 0.5 km northwest of Caribou Mine. The optical design and analysis techniques used to obtain the path‐integrated concentrations of O<jats:sub>3</jats:sub>, CH<jats:sub>2</jats:sub>O, SO<jats:sub>2</jats:sub>, and NO<jats:sub>2</jats:sub> will be presented. The spectrograph used in this study is a 1/4 m double, crossed Czerny‐Turner that employs a diode array detector allowing the acquisition of 40 nm spectral bands in the near UV and visible spectral regions. This system also utilizes automatic alignment and self‐adjusting time integration so the system will acquire data in an unattended mode. The spectral bands selected for this study permit the simultaneous measurement of O<jats:sub>3</jats:sub>, NO<jats:sub>2</jats:sub>, CH<jats:sub>2</jats:sub>O, and SO<jats:sub>2</jats:sub>; NO<jats:sub>2</jats:sub> and H<jats:sub>2</jats:sub>O; and NO<jats:sub>3</jats:sub> and H<jats:sub>2</jats:sub>O. The data analysis uses a nonlinear least squares regression procedure to deduce the concentration of each of the species present in the atmosphere and also provides an effective method for removing the influence of scattered solar light for daytime measurements. An estimate of the measurement precision can be found by comparing atmospheric spectra analyzed with two different <jats:italic>I<jats:sub>O</jats:sub></jats:italic> spectra; one measured through the atmosphere and the other a direct arc lamp spectrum.</jats:p> |
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| author | Harder, J. W., Jakoubek, R. O., Mount, G. H. |
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| description | <jats:p>In August and September 1993 a comparative study of tropospheric long‐path absorption techniques with in situ methods was performed for both the hydroxyl radical and the other important trace species. Long‐path measurements were made over the 10.3 km path between Fritz Peak Observatory and Caribou Mine in the mountains 17 km west of Boulder, Colorado. At Caribou Mine, a 121 element, 1 m<jats:sup>2</jats:sup> retroreflector array folds the optical path to give a total path of 20.6 km. The in situ instruments were located at Idaho Hill 0.5 km northwest of Caribou Mine. The optical design and analysis techniques used to obtain the path‐integrated concentrations of O<jats:sub>3</jats:sub>, CH<jats:sub>2</jats:sub>O, SO<jats:sub>2</jats:sub>, and NO<jats:sub>2</jats:sub> will be presented. The spectrograph used in this study is a 1/4 m double, crossed Czerny‐Turner that employs a diode array detector allowing the acquisition of 40 nm spectral bands in the near UV and visible spectral regions. This system also utilizes automatic alignment and self‐adjusting time integration so the system will acquire data in an unattended mode. The spectral bands selected for this study permit the simultaneous measurement of O<jats:sub>3</jats:sub>, NO<jats:sub>2</jats:sub>, CH<jats:sub>2</jats:sub>O, and SO<jats:sub>2</jats:sub>; NO<jats:sub>2</jats:sub> and H<jats:sub>2</jats:sub>O; and NO<jats:sub>3</jats:sub> and H<jats:sub>2</jats:sub>O. The data analysis uses a nonlinear least squares regression procedure to deduce the concentration of each of the species present in the atmosphere and also provides an effective method for removing the influence of scattered solar light for daytime measurements. An estimate of the measurement precision can be found by comparing atmospheric spectra analyzed with two different <jats:italic>I<jats:sub>O</jats:sub></jats:italic> spectra; one measured through the atmosphere and the other a direct arc lamp spectrum.</jats:p> |
| doi_str_mv | 10.1029/96jd03608 |
| facet_avail | Online, Free |
| finc_class_facet | Geologie und Paläontologie, Geographie, Chemie und Pharmazie, Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft, Biologie, Allgemeine Naturwissenschaft, Physik, Technik |
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| imprint | American Geophysical Union (AGU), 1997 |
| imprint_str_mv | American Geophysical Union (AGU), 1997 |
| institution | DE-D161, DE-Zwi2, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1 |
| issn | 0148-0227 |
| issn_str_mv | 0148-0227 |
| language | English |
| last_indexed | 2024-03-01T15:31:30.653Z |
| match_str | harder1997measurementoftropospherictracegasesbylongpathdifferentialabsorptionspectroscopyduringthe1993ohphotochemistryexperiment |
| mega_collection | American Geophysical Union (AGU) (CrossRef) |
| physical | 6215-6226 |
| publishDate | 1997 |
| publishDateSort | 1997 |
| publisher | American Geophysical Union (AGU) |
| record_format | ai |
| recordtype | ai |
| series | Journal of Geophysical Research: Atmospheres |
| source_id | 49 |
| spelling | Harder, J. W. Jakoubek, R. O. Mount, G. H. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/96jd03608 <jats:p>In August and September 1993 a comparative study of tropospheric long‐path absorption techniques with in situ methods was performed for both the hydroxyl radical and the other important trace species. Long‐path measurements were made over the 10.3 km path between Fritz Peak Observatory and Caribou Mine in the mountains 17 km west of Boulder, Colorado. At Caribou Mine, a 121 element, 1 m<jats:sup>2</jats:sup> retroreflector array folds the optical path to give a total path of 20.6 km. The in situ instruments were located at Idaho Hill 0.5 km northwest of Caribou Mine. The optical design and analysis techniques used to obtain the path‐integrated concentrations of O<jats:sub>3</jats:sub>, CH<jats:sub>2</jats:sub>O, SO<jats:sub>2</jats:sub>, and NO<jats:sub>2</jats:sub> will be presented. The spectrograph used in this study is a 1/4 m double, crossed Czerny‐Turner that employs a diode array detector allowing the acquisition of 40 nm spectral bands in the near UV and visible spectral regions. This system also utilizes automatic alignment and self‐adjusting time integration so the system will acquire data in an unattended mode. The spectral bands selected for this study permit the simultaneous measurement of O<jats:sub>3</jats:sub>, NO<jats:sub>2</jats:sub>, CH<jats:sub>2</jats:sub>O, and SO<jats:sub>2</jats:sub>; NO<jats:sub>2</jats:sub> and H<jats:sub>2</jats:sub>O; and NO<jats:sub>3</jats:sub> and H<jats:sub>2</jats:sub>O. The data analysis uses a nonlinear least squares regression procedure to deduce the concentration of each of the species present in the atmosphere and also provides an effective method for removing the influence of scattered solar light for daytime measurements. An estimate of the measurement precision can be found by comparing atmospheric spectra analyzed with two different <jats:italic>I<jats:sub>O</jats:sub></jats:italic> spectra; one measured through the atmosphere and the other a direct arc lamp spectrum.</jats:p> Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment Journal of Geophysical Research: Atmospheres |
| spellingShingle | Harder, J. W., Jakoubek, R. O., Mount, G. H., Journal of Geophysical Research: Atmospheres, Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_full | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_fullStr | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_full_unstemmed | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_short | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| title_sort | measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 oh photochemistry experiment |
| title_unstemmed | Measurement of tropospheric trace gases by long‐path differential absorption spectroscopy during the 1993 OH Photochemistry Experiment |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/96jd03608 |