@article{fdi:010078157, title = {{S}and-spit evolution and inlet dynamics derived from space-borne optical imagery : is the {S}enegal-river inlet closing ?}, author = {{B}ergsma, {E}. {W}. {J}. and {S}adio, {M}. and {S}akho, {I}. and {A}lmar, {R}afa{\¨e}l and {G}arlan, {T}. and {G}osselin, {M}. and {G}auduin, {H}.}, editor = {}, language = {{ENG}}, abstract = {{W}ith the majority of the world' population living in urbanised coastal zones, regional-scale coastal monitoring is a paramount tool to assess the risk exposure of local areas. {A}t {S}t. {L}ouis, {S}enegal the coast experienced a recent acceleration in coastal erosion. {A}dditionally, the sand-spit {S}outh of {S}t. {L}ouis is highly dynamic with one of the largest migration rates worldwide. {I}n this study we showcase the use of satellite imagery to assess the morphological change of the {S}t. {L}ouis inlet position over more than 3 decades. {T}he {S}enegal river inlet was artificially opened in 2003 {N}orthward of its natural position. {T}he effect of this opening is measured through local shoreline erosion and use of satellite data to predict the next closure of the {S}enegal-river inlet. {S}ince the artificial breach coastal erosion at the fishmarket of {S}t. {L}ouis was measured, while the sand-spit initially accreted. {S}outherly sand-spit migration rates that varied from 475 m per year (before an artificial breach in 2003) to 590 m per year after the breach. {W}ith these migration rates and assuming limited changes in, for example, river run-off and wave environment, the inlet will close again around 2050 and 2055.}, keywords = {{S}horeline change ; sand-spit ; {S}t. {L}ouis ; {S}enegal ; coastal ; {SENEGAL} ; {SENEGAL} {COURS} {D}'{EAU} ; {SAINT} {LOUIS}}, booktitle = {}, journal = {{J}ournal of {C}oastal {R}esearch}, numero = {{N}o sp{\'e}cial 95}, pages = {372--376}, ISSN = {0749-0208}, year = {2020}, DOI = {10.2112/si95-072.1}, URL = {https://www.documentation.ird.fr/hor/fdi:010078157}, }