@article{fdi:010077363, title = {{L}arge impact of {S}tokes drift on the fate of surface floating debris in the {S}outh {I}ndian {B}asin}, author = {{D}obler, {D}. and {H}uck, {T}. and {M}aes, {C}hristophe and {G}rima, {N}. and {B}lanke, {B}. and {M}artinez, {E}lodie and {A}rdhuin, {F}.}, editor = {}, language = {{ENG}}, abstract = {{I}n the open ocean, floating surface debris such as plastics concentrate in five main accumulation zones centered around 30 degrees latitude, far from highly turbulent areas. {U}sing {L}agrangian advection of numerical particles by surface currents from ocean model reanalysis, previous studies have shown long-distance connection from the accumulation zones of the {S}outh {I}ndian to the {S}outh {P}acific oceans. {A}n important physical process affecting surface particles but missing in such analyses is wave-induced {S}tokes drift. {T}aking into account surface {S}tokes drift from a wave model reanalysis radically changes the fate of {S}outh {I}ndian particles. {T}he convergence region moves from the east to the west of the basin, so particles leak to the {S}outh {A}tlantic rather than the {S}outh {P}acific. {S}tokes drift changes the {S}outh {I}ndian sensitive balance between {E}kman convergence and turbulent diffusion processes, inducing either westward entrainment in the north of the accumulation zone, or eastward entrainment in the south.}, keywords = {{M}arine debris ; {M}icroplastics ; {S}tokes drift ; {I}ndian {O}cean ; {L}agrangian analysis ; {O}cean surface pathways ; {OCEAN} {INDIEN}}, booktitle = {}, journal = {{M}arine {P}ollution {B}ulletin}, volume = {148}, numero = {}, pages = {202--209}, ISSN = {0025-326{X}}, year = {2019}, DOI = {10.1016/j.marpolbul.2019.07.057}, URL = {https://www.documentation.ird.fr/hor/fdi:010077363}, }