Title :
Validation of MODIS FLH Algorithm using Satellite Imagery
Author :
Hlaing, S. ; Dyer, R. ; Borrero, J. ; Zhou, J. ; Gilerson, A. ; Gross, B. ; Moshary, F. ; Ahmed, S.
Author_Institution :
City Coll., Dept. of Electr. Eng., City Univ. of New York, New York, NY
Abstract :
Chlorophyll Fluorescence Line Height [FLH] is analyzed based on the spatial similarity between MODIS [Chl] and FLH maps. FLH and [Chl] data of areas with high degree of spatial similarity were extracted from the whole scene and compared with the simple theoretical model of the expected variations of fluorescence magnitude with variations in chlorophyll concentration, absorption of non-algal particles, photosynthetically available radiation as well as solar zenith and viewing angles. Extracted data show good agreement with the model. Based on the model and satellite FLH data, fluorescence quantum yield is estimated.
Keywords :
feature extraction; geophysical techniques; geophysics computing; image processing; oceanography; remote sensing; Chlorophyll Fluorescence Line Height; MODIS FLH algorithm; chlorophyll concentration; fluorescence magnitude variations; fluorescence quantum yield; nonalgal particles absorption; photosynthetically available radiation; satellite imagery; sensor viewing angle; solar zenith angle; Algorithm design and analysis; Data mining; Fluorescence; Image analysis; MODIS; Optical sensors; Remote sensing; Satellites; Sea measurements; Water; Chlorophyll; FLH; MODIS; remote sensing; satellite imaging;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2008. IGARSS 2008. IEEE International
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-2807-6
Electronic_ISBN :
978-1-4244-2808-3
DOI :
10.1109/IGARSS.2008.4779874
