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Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , |
| In: | Journal of Geophysical Research: Atmospheres, 107, 2002, D18 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. |
|---|---|
| author |
Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. |
| spellingShingle |
Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. Journal of Geophysical Research: Atmospheres Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan 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 |
zhao, y. |
| spelling |
Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. 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/10.1029/2001jd000748 <jats:p>Tropospheric column amounts and mixing ratios of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN were retrieved from ground‐based infrared solar spectra using a vertical profile retrieval algorithm (SFIT2). The spectra were recorded with high spectral resolution Fourier transform infrared (FTIR) spectrometers at Moshiri (44.4°N) and Rikubetsu (43.5°N) in northern Japan from May 1995 to June 2000. The retrievals show significant seasonal variations in the tropospheric content of the four molecules over northern Japan with maxima in winter‐spring (February–April) for CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> and in summer (May–July) for HCN. Good correlations between CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> indicated that they had similar sources and underwent similar dilution processes. Deviation of HCN relative to its seasonal mean value (ΔHCN) is correlated with the similar deviation of CO (ΔCO), indicating that enhancements of CO and HCN above the mean levels were probably due to the same sources. Linear trends in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> from May 1995 to June 2000 (excluding 1998) were (−2.10 ± 0.30), (−2.53 ± 0.30), and (−3.99 ± 0.57)%/yr, respectively, while the trend of (−0.93 ± 0.49)%/yr in HCN was relatively small. Abnormally high tropospheric amounts of the four molecules were recorded in 1998. HCN amounts were found to be much higher than its seasonal mean value throughout 1998 with a 65% maximum increase in August 1998. Significant increases of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> took place in August–October 1998. Trajectory calculations, global fire maps, and satellite smoke images revealed that biomass burning in eastern Siberia from mid‐July to early October 1998 was the major cause of the elevated levels in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN observed in northern Japan in 1998.</jats:p> Spectroscopic measurements of tropospheric CO, C<sub>2</sub>H<sub>6</sub>, C<sub>2</sub>H<sub>2</sub>, and HCN in northern Japan Journal of Geophysical Research: Atmospheres |
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10.1029/2001jd000748 |
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Online Free |
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Technik Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik |
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American Geophysical Union (AGU), 2002 |
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American Geophysical Union (AGU), 2002 |
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2002 |
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American Geophysical Union (AGU) |
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Journal of Geophysical Research: Atmospheres |
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| title |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_unstemmed |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_full |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_fullStr |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_full_unstemmed |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_short |
Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_sort |
spectroscopic measurements of tropospheric co, c<sub>2</sub>h<sub>6</sub>, c<sub>2</sub>h<sub>2</sub>, and hcn in northern japan |
| 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/10.1029/2001jd000748 |
| publishDate |
2002 |
| physical |
|
| description |
<jats:p>Tropospheric column amounts and mixing ratios of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN were retrieved from ground‐based infrared solar spectra using a vertical profile retrieval algorithm (SFIT2). The spectra were recorded with high spectral resolution Fourier transform infrared (FTIR) spectrometers at Moshiri (44.4°N) and Rikubetsu (43.5°N) in northern Japan from May 1995 to June 2000. The retrievals show significant seasonal variations in the tropospheric content of the four molecules over northern Japan with maxima in winter‐spring (February–April) for CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> and in summer (May–July) for HCN. Good correlations between CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> indicated that they had similar sources and underwent similar dilution processes. Deviation of HCN relative to its seasonal mean value (ΔHCN) is correlated with the similar deviation of CO (ΔCO), indicating that enhancements of CO and HCN above the mean levels were probably due to the same sources. Linear trends in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> from May 1995 to June 2000 (excluding 1998) were (−2.10 ± 0.30), (−2.53 ± 0.30), and (−3.99 ± 0.57)%/yr, respectively, while the trend of (−0.93 ± 0.49)%/yr in HCN was relatively small. Abnormally high tropospheric amounts of the four molecules were recorded in 1998. HCN amounts were found to be much higher than its seasonal mean value throughout 1998 with a 65% maximum increase in August 1998. Significant increases of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> took place in August–October 1998. Trajectory calculations, global fire maps, and satellite smoke images revealed that biomass burning in eastern Siberia from mid‐July to early October 1998 was the major cause of the elevated levels in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN observed in northern Japan in 1998.</jats:p> |
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| author | Zhao, Y., Strong, K., Kondo, Y., Koike, M., Matsumi, Y., Irie, H., Rinsland, C. P., Jones, N. B., Suzuki, K., Nakajima, H., Nakane, H., Murata, I. |
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| description | <jats:p>Tropospheric column amounts and mixing ratios of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN were retrieved from ground‐based infrared solar spectra using a vertical profile retrieval algorithm (SFIT2). The spectra were recorded with high spectral resolution Fourier transform infrared (FTIR) spectrometers at Moshiri (44.4°N) and Rikubetsu (43.5°N) in northern Japan from May 1995 to June 2000. The retrievals show significant seasonal variations in the tropospheric content of the four molecules over northern Japan with maxima in winter‐spring (February–April) for CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> and in summer (May–July) for HCN. Good correlations between CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> indicated that they had similar sources and underwent similar dilution processes. Deviation of HCN relative to its seasonal mean value (ΔHCN) is correlated with the similar deviation of CO (ΔCO), indicating that enhancements of CO and HCN above the mean levels were probably due to the same sources. Linear trends in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> from May 1995 to June 2000 (excluding 1998) were (−2.10 ± 0.30), (−2.53 ± 0.30), and (−3.99 ± 0.57)%/yr, respectively, while the trend of (−0.93 ± 0.49)%/yr in HCN was relatively small. Abnormally high tropospheric amounts of the four molecules were recorded in 1998. HCN amounts were found to be much higher than its seasonal mean value throughout 1998 with a 65% maximum increase in August 1998. Significant increases of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> took place in August–October 1998. Trajectory calculations, global fire maps, and satellite smoke images revealed that biomass burning in eastern Siberia from mid‐July to early October 1998 was the major cause of the elevated levels in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN observed in northern Japan in 1998.</jats:p> |
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| imprint | American Geophysical Union (AGU), 2002 |
| imprint_str_mv | American Geophysical Union (AGU), 2002 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229 |
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| physical | |
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| spelling | Zhao, Y. Strong, K. Kondo, Y. Koike, M. Matsumi, Y. Irie, H. Rinsland, C. P. Jones, N. B. Suzuki, K. Nakajima, H. Nakane, H. Murata, I. 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/10.1029/2001jd000748 <jats:p>Tropospheric column amounts and mixing ratios of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN were retrieved from ground‐based infrared solar spectra using a vertical profile retrieval algorithm (SFIT2). The spectra were recorded with high spectral resolution Fourier transform infrared (FTIR) spectrometers at Moshiri (44.4°N) and Rikubetsu (43.5°N) in northern Japan from May 1995 to June 2000. The retrievals show significant seasonal variations in the tropospheric content of the four molecules over northern Japan with maxima in winter‐spring (February–April) for CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> and in summer (May–July) for HCN. Good correlations between CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> indicated that they had similar sources and underwent similar dilution processes. Deviation of HCN relative to its seasonal mean value (ΔHCN) is correlated with the similar deviation of CO (ΔCO), indicating that enhancements of CO and HCN above the mean levels were probably due to the same sources. Linear trends in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> from May 1995 to June 2000 (excluding 1998) were (−2.10 ± 0.30), (−2.53 ± 0.30), and (−3.99 ± 0.57)%/yr, respectively, while the trend of (−0.93 ± 0.49)%/yr in HCN was relatively small. Abnormally high tropospheric amounts of the four molecules were recorded in 1998. HCN amounts were found to be much higher than its seasonal mean value throughout 1998 with a 65% maximum increase in August 1998. Significant increases of CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, and C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub> took place in August–October 1998. Trajectory calculations, global fire maps, and satellite smoke images revealed that biomass burning in eastern Siberia from mid‐July to early October 1998 was the major cause of the elevated levels in tropospheric CO, C<jats:sub>2</jats:sub>H<jats:sub>6</jats:sub>, C<jats:sub>2</jats:sub>H<jats:sub>2</jats:sub>, and HCN observed in northern Japan in 1998.</jats:p> Spectroscopic measurements of tropospheric CO, C<sub>2</sub>H<sub>6</sub>, C<sub>2</sub>H<sub>2</sub>, and HCN in northern Japan Journal of Geophysical Research: Atmospheres |
| spellingShingle | Zhao, Y., Strong, K., Kondo, Y., Koike, M., Matsumi, Y., Irie, H., Rinsland, C. P., Jones, N. B., Suzuki, K., Nakajima, H., Nakane, H., Murata, I., Journal of Geophysical Research: Atmospheres, Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan, 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 | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_full | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_fullStr | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_full_unstemmed | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_short | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| title_sort | spectroscopic measurements of tropospheric co, c<sub>2</sub>h<sub>6</sub>, c<sub>2</sub>h<sub>2</sub>, and hcn in northern japan |
| title_unstemmed | Spectroscopic measurements of tropospheric CO, C2H6, C2H2, and HCN in northern Japan |
| 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/10.1029/2001jd000748 |