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|Title:||Tower-based Radiometric Obervations at a Coastal Site in the Baltic Proper|
|Authors:||ZIBORDI GIUSEPPE; STROMBECK Niklas; MELIN FREDERIC; BERTHON JEAN-FRANCOIS|
|Citation:||ESTUARINE COASTAL AND SHELF SCIENCE vol. 69 p. 649-654|
|Publisher:||ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD|
|Type:||Articles in Journals|
|Abstract:||An autonomous above-water radiometer was operated during the summer of 2005 on the Gustaf Dalén Lighthouse Tower (GDLT) off the Swedish coast in the Baltic Proper. The normalized water leaving radiances, LWN, produced from measurements performed with the autonomous system at various center-wavelengths in the 412-675 nm spectral range, were applied within the context of water quality monitoring and satellite ocean color validation activities. Specifically these in situ radiometric data were used to determine the chlorophyll a concentration through a regional band-ratio algorithm and to assess LWN derived from top-of-atmosphere Moderate Resolution Imaging Spectroradiometer (MODIS) observations. The in situ measurements collected during the bloom occurring in July 2005 were also applied to investigate the spectral and small scale temporal-spatial variability of LWN in presence of cyanobacteria.|
|JRC Institute:||Institute for Environment and Sustainability|
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