On the variability of the bare soil albedo different solar zenith angles and aerosol optical depths

A. J. Chen, G. R. Liu, C. H. Liu

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Due to the angular anisotropy of the reflection properties of natural surfaces, bidirectional reflectance factor (BRF) and hemispherical reflectance (albedo) are dependent of solar zenith angle as well as the distribution of hemispheric irradiation. By using the results of Pinty et al (1989) to describe BRF's of bare soil in NOAA7/8 satellite AVHRR band 1 and 2, and the results of LOWTRAN 7 as the description of hemispherical irradiation, the variation of albedo and errors inferring from all viewing directions of BRF under changing solar zenith angles and aerosol optical depths is discussed in this paper. This paper also shows that the optimal view angle of bare soil used to infer the albedo from a single observation under solar zenith angle from 25° to 45°, and atmospheric conditions from clear sky to hazy sky for both AVHRR bands is about 50° off-nadir and about 80° relative azimuthal angle. Furthermore, their errors are no more than 1%.

原文???core.languages.en_GB???
主出版物標題International Geoscience and Remote Sensing Symposium (IGARSS)
編輯Sadao Fujimura
發行者Publ by IEEE
頁面1294-1296
頁數3
ISBN(列印)0780312406
出版狀態已出版 - 1993
事件Proceedings of the 13th Annual International Geoscience and Remote Sensing Symposium - Tokyo, Jpn
持續時間: 18 8月 199321 8月 1993

出版系列

名字International Geoscience and Remote Sensing Symposium (IGARSS)
3

???event.eventtypes.event.conference???

???event.eventtypes.event.conference???Proceedings of the 13th Annual International Geoscience and Remote Sensing Symposium
城市Tokyo, Jpn
期間18/08/9321/08/93

指紋

深入研究「On the variability of the bare soil albedo different solar zenith angles and aerosol optical depths」主題。共同形成了獨特的指紋。

引用此