NDLI: HICO L1 and L2 data processing: Radiometric recalibration, atmospheric correction and retrieval of water quality parameters

Content Provider	IEEE Xplore Digital Library
Author	Vicent, J. Sabater, N. Tenjo, C. Ruiz-Verdu, A. Delegido, J. Pena-Martinez, R. Moreno, J.
Copyright Year	2015
Description	Author affiliation: Image Process. Lab., Univ. of Valencia, Valencia, Spain (Vicent, J.; Sabater, N.; Tenjo, C.; Ruiz-Verdu, A.; Delegido, J.; Pena-Martinez, R.; Moreno, J.)
Abstract	The Hyperspectral Imager for the Coastal Ocean (HICO) is an imaging spectrometer designed with a very high signal-to-noise ratio to monitor coastal ocean and inland waters. The processing of Top-Of-Atmosphere radiance data down to surface reflectance is fundamental for the retrieval of water quality products. However, the current HICO processing chain does not provide atmospheric corrected data nor higher-level water quality products. This paper describes the algorithms implemented within an HICO data processing chain that includes image pre-processing, atmospheric correction and the retrieval of water quality parameters. The implemented algorithms have been validated over a set of HICO images showing a good match with in-situ surface reflectance data and correlation $(R^{2}$ = 0.95) between in-situ measured and retrieved Chl-a over a water body. It is expected that the presented algorithms will ease the processing of HICO data down to surface reflectance allowing to derive water quality parameters.
Starting Page	102
Ending Page	105
File Size	621833
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7325708
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lakes Atmospheric measurements Aerosols Radiometry Atmospheric modeling Optical surface waves Reflectivity water quality AUNAC atmospheric correction HICO hyperspectral ocean color
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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