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Diurnal effects in the composition of cirrus clouds
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| Zeitschriftentitel: | Geophysical Research Letters |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Geophysical Research Letters, 30, 2003, 10 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. |
|---|---|
| author |
Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. |
| spellingShingle |
Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. Geophysical Research Letters Diurnal effects in the composition of cirrus clouds General Earth and Planetary Sciences Geophysics |
| author_sort |
sassen, kenneth |
| spelling |
Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2003gl017034 <jats:p>Extended (7‐y) polarization lidar data, which are sensitive to ice crystal shape and orientation, are used to search for diurnal changes in cirrus clouds caused by solar heating. Average linear depolarization ratios are ∼0.02 lower during the day than night, minimizing at a 45° sun angle at ∼0.05 lower than the 0.350 nighttime average. Analysis of the diurnal pattern using scattering simulations suggests that plate crystals are more common during daylight, and that a feedback occurs between solar heating and the maintenance of horizontal plate orientations. This anisotropy also affects the cirrus solar albedo, representing an additional complication confronting climate modelers.</jats:p> Diurnal effects in the composition of cirrus clouds Geophysical Research Letters |
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10.1029/2003gl017034 |
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American Geophysical Union (AGU), 2003 |
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Geophysical Research Letters |
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Diurnal effects in the composition of cirrus clouds |
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Diurnal effects in the composition of cirrus clouds |
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Diurnal effects in the composition of cirrus clouds |
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Diurnal effects in the composition of cirrus clouds |
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Diurnal effects in the composition of cirrus clouds |
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Diurnal effects in the composition of cirrus clouds |
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diurnal effects in the composition of cirrus clouds |
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General Earth and Planetary Sciences Geophysics |
| url |
http://dx.doi.org/10.1029/2003gl017034 |
| publishDate |
2003 |
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|
| description |
<jats:p>Extended (7‐y) polarization lidar data, which are sensitive to ice crystal shape and orientation, are used to search for diurnal changes in cirrus clouds caused by solar heating. Average linear depolarization ratios are ∼0.02 lower during the day than night, minimizing at a 45° sun angle at ∼0.05 lower than the 0.350 nighttime average. Analysis of the diurnal pattern using scattering simulations suggests that plate crystals are more common during daylight, and that a feedback occurs between solar heating and the maintenance of horizontal plate orientations. This anisotropy also affects the cirrus solar albedo, representing an additional complication confronting climate modelers.</jats:p> |
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| author | Sassen, Kenneth, Liou, Kuo‐Nan, Takano, Yoshihide, Khvorostyanov, Vitaly I. |
| author_facet | Sassen, Kenneth, Liou, Kuo‐Nan, Takano, Yoshihide, Khvorostyanov, Vitaly I., Sassen, Kenneth, Liou, Kuo‐Nan, Takano, Yoshihide, Khvorostyanov, Vitaly I. |
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| description | <jats:p>Extended (7‐y) polarization lidar data, which are sensitive to ice crystal shape and orientation, are used to search for diurnal changes in cirrus clouds caused by solar heating. Average linear depolarization ratios are ∼0.02 lower during the day than night, minimizing at a 45° sun angle at ∼0.05 lower than the 0.350 nighttime average. Analysis of the diurnal pattern using scattering simulations suggests that plate crystals are more common during daylight, and that a feedback occurs between solar heating and the maintenance of horizontal plate orientations. This anisotropy also affects the cirrus solar albedo, representing an additional complication confronting climate modelers.</jats:p> |
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| imprint | American Geophysical Union (AGU), 2003 |
| imprint_str_mv | American Geophysical Union (AGU), 2003 |
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| series | Geophysical Research Letters |
| source_id | 49 |
| spelling | Sassen, Kenneth Liou, Kuo‐Nan Takano, Yoshihide Khvorostyanov, Vitaly I. 0094-8276 1944-8007 American Geophysical Union (AGU) General Earth and Planetary Sciences Geophysics http://dx.doi.org/10.1029/2003gl017034 <jats:p>Extended (7‐y) polarization lidar data, which are sensitive to ice crystal shape and orientation, are used to search for diurnal changes in cirrus clouds caused by solar heating. Average linear depolarization ratios are ∼0.02 lower during the day than night, minimizing at a 45° sun angle at ∼0.05 lower than the 0.350 nighttime average. Analysis of the diurnal pattern using scattering simulations suggests that plate crystals are more common during daylight, and that a feedback occurs between solar heating and the maintenance of horizontal plate orientations. This anisotropy also affects the cirrus solar albedo, representing an additional complication confronting climate modelers.</jats:p> Diurnal effects in the composition of cirrus clouds Geophysical Research Letters |
| spellingShingle | Sassen, Kenneth, Liou, Kuo‐Nan, Takano, Yoshihide, Khvorostyanov, Vitaly I., Geophysical Research Letters, Diurnal effects in the composition of cirrus clouds, General Earth and Planetary Sciences, Geophysics |
| title | Diurnal effects in the composition of cirrus clouds |
| title_full | Diurnal effects in the composition of cirrus clouds |
| title_fullStr | Diurnal effects in the composition of cirrus clouds |
| title_full_unstemmed | Diurnal effects in the composition of cirrus clouds |
| title_short | Diurnal effects in the composition of cirrus clouds |
| title_sort | diurnal effects in the composition of cirrus clouds |
| title_unstemmed | Diurnal effects in the composition of cirrus clouds |
| topic | General Earth and Planetary Sciences, Geophysics |
| url | http://dx.doi.org/10.1029/2003gl017034 |