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DOI10.1364/OE.27.00A829
Global diffuse attenuation derived from vibrational Raman scattering detected in hyperspectral backscattered satellite spectra
Oelker, Julia1; Richter, Andreas1; Dinter, Tilman2; Rozanov, Vladimir V.1; Burrows, John P.1; Bracher, Astrid2
发表日期2019
ISSN1094-4087
卷号27期号:12页码:A829-A855
英文摘要

Underwater light field characterization is of importance for understanding biogeochemical processes and heat budget of the global oceans, which are impacting and reacting to climate change. Vibrational Raman Scattering (VRS) was retrieved from backscattered radiances measured by three different hyperspectral satellite sensors, SCIAMACHY, GOME-2, and OMI, using Differential Optical Absorption Spectroscopy (DOAS). Diffuse attenuation coefficient (K-d) in the blue spectral range (390 to 426 nm) was derived from the VRS signal via a look-up-table established through ocean-atmosphere coupled radiative transfer modeling. We processed one year of data, representative of the overlapping period of optimal operation for all three sensors. Resulting data sets were evaluated by comparison with K-d at 490 nm from Ocean Colour Climate Change Initiative (OC-CCI) which was first converted to K-d at 390 to 426 nm. Good agreement with the OC-CCI K-d product was achieved for all three sensors when K-d was limited to below 0.15 m(-1). Differences among the hyperspectral sensors and to OC-CCI were attributed to particular instrumental effects on the DOAS retrieval leading to temporal and spatial biases. This is in addition to the fact that the spatial and temporal resolution of the hyperspectral sensors data differ among themselves and are much lower then for the OC-CCI K-d-product. Further corrections (e.g., empirical) are necessary before these data sets can be merged in order to obtain a long-term K-d product for the blue spectral range. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement


WOS研究方向Optics
来源期刊OPTICS EXPRESS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/99046
作者单位1.Univ Bremen, Inst Environm Phys IUP, Bremen, Germany;
2.Helmholtz Ctr Polar & Marine Res, AWI, Bremerhaven, Germany
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GB/T 7714
Oelker, Julia,Richter, Andreas,Dinter, Tilman,et al. Global diffuse attenuation derived from vibrational Raman scattering detected in hyperspectral backscattered satellite spectra[J],2019,27(12):A829-A855.
APA Oelker, Julia,Richter, Andreas,Dinter, Tilman,Rozanov, Vladimir V.,Burrows, John P.,&Bracher, Astrid.(2019).Global diffuse attenuation derived from vibrational Raman scattering detected in hyperspectral backscattered satellite spectra.OPTICS EXPRESS,27(12),A829-A855.
MLA Oelker, Julia,et al."Global diffuse attenuation derived from vibrational Raman scattering detected in hyperspectral backscattered satellite spectra".OPTICS EXPRESS 27.12(2019):A829-A855.
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