@incollection{fdi:010063841, title = {{E}stimation of inherent optical properties using in-situ hyperspectral radiometer and {MODIS} data along the east coast of {N}ew {C}aledonia}, author = {{M}urakami, {H}. and {D}upouy, {C}{\'e}cile and {R}{\¨o}ttgers, {R}. and {F}rouin, {R}.}, editor = {}, language = {{ENG}}, abstract = {{H}yperspectral remote sensing reflectance ({R}rs) was measured by a {T}ri{OS} radiometer system along the {E}ast {C}oast of {N}ew {C}aledonia during the {R}/{V} {A}lis 03-13 {O}ctober 2011 {CALIOPE} cruise. {T}he {T}ri{OS} system consists of radiance and irradiance sensors measuring in the spectral range 320-950 nm, at a spectral resolution of about 10 nm (sampled by every 3.3 nm), and within a 7-degree field-of-view for the radiance sensor. {T}he method developed by {F}roidefond and {O}uillon (2005) was used to determine {R}rs, i.e., the radiance sensor was mounted on a small raft to measure upwelling radiance just below the surface, and {R}rs was calculated by normalizing water-leaving radiance with downward solar irradiance measured on the ship deck. {I}nherent {O}ptical {P}roperties ({IOP}s), i.e., absorption coefficients of phytoplankton and detritus+dissolved substances (aph and adg, respectively), and particulate backscattering coefficient (bbp) were estimated from the hyperspectral {R}rs data by applying linear matrix inversion ({H}oge and {L}yon, 1996). {T}he {IOP} inversion algorithm was adapted to {MODIS} data and applied to {L}evel 1b imagery at 500 m resolution to demonstrate the feasibility of regular {IOP} monitoring from space in the study area. {L}ocal characteristics of the {IOP} spectra were used for the candidate spectra in the algorithm. {T}he estimated {MODIS} {R}rs and {IOP}s were evaluated using {T}ri{OS} {R}rs and in-situ {IOP} measurements obtained concomitantly during the cruise.}, keywords = {{CAMPAGNE} {OCEANOGRAPHIQUE} ; {TELEDETECTION} {SPATIALE} ; {DONNEES} {SATELLITE} ; {REFLECTANCE} ; {PHYTOPLANCTON} ; {PARTICULE} ; {MATIERE} {ORGANIQUE} {DISSOUTE} ; {CALIOPE} ; {PROPRIETE} {OPTIQUE} ; {MODIS} ; {NOUVELLE} {CALEDONIE}}, booktitle = {{R}emote sensing of the marine environment {II}}, volume = {8525}, numero = {85250{F}}, pages = {1--9}, address = {{B}ellingham {WA}}, publisher = {{SPIE}}, series = {{P}roceedings of {SPIE}}, year = {2012}, DOI = {10.1117/12.979245}, ISSN = {0277-786{X}}, URL = {https://www.documentation.ird.fr/hor/fdi:010063841}, }