@article{fdi:010092564, title = {{T}ides in the {C}asamance estuary : a modeling study}, author = {{N}dom, {B}. and {N}doye, {S}. and {S}ow, {B}. {A}. and {E}chevin, {V}incent}, editor = {}, language = {{ENG}}, abstract = {{T}he {C}asamance estuary, located in southern {S}enegal, is a region of remarkable ecological, tourist and economic significance. {I}t undergoes strong seasonal variations of salinity due to its reverse estuary nature during the dry season. {T}his study aims to characterize tidal dynamics in the western part of the {C}asamance estuary, spanning from the river mouth to the town of {Z}iguinchor, during the dry season. {U}tilizing a three-dimensional, non-linear model with a high spatial resolution, we focused on simulating the tidal elevations and currents and evaluating them with sea level and current measurements both within the estuary and at its mouth. {W}hereas modelled tidal elevations agreed with observations, revealing eastward tidal propagation within the estuary, tidal currents near the river mouth and into the estuary were underestimated. {T}he {E}ulerian residual circulation was mainly seaward whereas the {L}agrangian residual circulation was significantly weaker due to compensation by the {S}tokes drift. {T}his modeling study marks a crucial first step towards conducting comprehensive environmental impact assessments in the {C}asamance estuary, paving the way for a deeper understanding and preservation of this region.}, keywords = {{SENEGAL} ; {CASAMANCE} {COURS} {D}'{EAU}}, booktitle = {}, journal = {{C}ontinental {S}helf {R}esearch}, volume = {285}, numero = {}, pages = {105389 [15 ]}, ISSN = {0278-4343}, year = {2025}, DOI = {10.1016/j.csr.2024.105389}, URL = {https://www.documentation.ird.fr/hor/fdi:010092564}, }