@inproceedings{fdi:010091467, title = {{A}coustic backscattering strength of plankton predicted from in-situ digital holographic microscopy in an {E}ast {B}order upwelling [r{\'e}sum{\'e}]}, author = {{G}uo, {L}.{X}. and {H}ermand, {J}.{P}. and {P}errot, {Y}anick and {R}oubaud, {F}abrice and {S}arr{\'e}, {A}. and {B}rehmer, {P}atrice}, editor = {}, language = {{ENG}}, abstract = {{O}cean planktonic organisms are diverse in species, versatile in time and space. {I}n-situ observations are acoustical and optical methods, but the difficulties exist on the consistency of these two methods. {I}n this paper, a survey trial microorganism results, off the {S}enegal coast, combined the acoustic (scientific echosounder {EK}60) and optical ({H}olo{F}low@{S}ea digital holography microscope {DHMH}olo{F}low@{S}ea) present the information about the horizontal and vertical profile, size of objects,theobjects, the classes of microorganisms. {F}or the identified objects through {DHM}, equivalent size of each kinds classes are used to process the acoustic backscatter strength according to scattering theory. {A}ssuming the same observation value of {EK}60 scientific echosounder, prediction of backscatter strength is applied via integrated volume scatter. {T}rial results show that prediction method makes the combined use of acoustical and optical observation a promising way to reveal the fine and micro scale pattern of the zooplankton.}, keywords = {{SENEGAL} ; {ATLANTIQUE}}, numero = {}, pages = {65}, booktitle = {{PREFACE}-{PIRATA}-{CLIVAR} {T}ropical {A}tlantic {V}ariability {C}onference}, year = {2015}, URL = {https://www.documentation.ird.fr/hor/fdi:010091467}, }