Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1117/12.695398 |
Atmospheric correction of satellite ocean color data in turbid coastal waters | |
Ahn, Yu-Hwan; Shanmugam, Palanisamy; Ryu, Joo-Hyung | |
通讯作者 | Ahn, Yu-Hwan |
会议名称 | Conference on Remote Sensing of the Marine Environment |
会议日期 | NOV 15-17, 2006 |
会议地点 | Goa, INDIA |
英文摘要 | Geostationary Ocean Color Imager (GOCI) onboard its Communication Ocean and Meteorological Satellite (COMS) is scheduled for launch in 2008. GOCI includes the eight visible-to-near-infrared (NIR) bands, 0.5km pixel resolution, and a coverage region of 2500 x 2500km centered at 36N and 130E. GOCI has had the scope of its objectives broadened to understand the role of the oceans and ocean productivity in the climate system, biogeochernical variables, geological and biological response to physical dynamics and to detect and monitor toxic algal blooms of notable extension through observations of ocean color. To achieve these mission objectives, it is necessary to develop an atmospheric correction technique which is capable of delivering geophysical products, particularly for highly turbid coastal regions that are often dominated by strongly absorbing aerosols from the adjacent continental/desert areas. In this paper, we present a more realistic and cost-effective atmospheric correction method which takes into account the contribution of NIR radiances and include specialized models for strongly absorbing aerosols. This method was tested extensively on SeaWiFS ocean color imagery acquired over the Northwest Pacific waters. While the standard SeaWiFS atmospheric correction algorithm showed a pronounced overcorrection in the violet/blue or a complete failure in the presence of strongly absorbing aerosols (Asian dust or Yellow dust) over these regions, the new method was able to retrieve the water-leaving radiance and chlorophyll concentrations that were consistent with the in-situ observations. Such comparison demonstrated the efficiency of the new method in terms of removing the effects of highly absorbing aerosols and improving the accuracy of water-leaving radiance and chlorophyll retrievals with SeaWiFS imagery. |
英文关键词 | atmospheric correction ocean color SeaWiFS GOCI Northwest Pacific waters Korea |
来源出版物 | REMOTE SENSING OF THE MARINE ENVIRONMENT |
ISSN | 0277-786X |
出版年 | 2006 |
卷号 | 6406 |
ISBN | 978-0-8194-6513-9 |
出版者 | SPIE-INT SOC OPTICAL ENGINEERING |
类型 | Proceedings Paper |
语种 | 英语 |
国家 | South Korea |
收录类别 | CPCI-S |
WOS记录号 | WOS:000244435700043 |
WOS类目 | Instruments & Instrumentation ; Remote Sensing ; Imaging Science & Photographic Technology |
WOS研究方向 | Instruments & Instrumentation ; Remote Sensing ; Imaging Science & Photographic Technology |
资源类型 | 会议论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/296249 |
作者单位 | Korea Ocean Res & Dev Inst, Ocean Satellite Res Grp, POB 29, Seoul, South Korea |
推荐引用方式 GB/T 7714 | Ahn, Yu-Hwan,Shanmugam, Palanisamy,Ryu, Joo-Hyung. Atmospheric correction of satellite ocean color data in turbid coastal waters[C]:SPIE-INT SOC OPTICAL ENGINEERING,2006. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。