@article{fdi:010048362, title = {{S}ea-tide effects on flows in the lower reaches of the {A}mazon {R}iver}, author = {{K}osuth, {P}. and {C}all{\`e}de, {J}acques and {L}araque, {A}lain and {F}ilizola, {N}. and {G}uyot, {J}ean-{L}oup and {S}eyler, {P}atrick and {F}ritsch, {J}ean-{M}arie and {G}uimaraes, {V}.}, editor = {}, language = {{ENG}}, abstract = {{T}he physical influence of sea tides on the lower reaches of the {A}mazon {R}iver can be identified more than 1000 km upstream from the sea. {A}nalysis of upstream tidal wave propagation on the {A}mazon {R}iver contributes to the understanding of the hydrodynamics of the lower reaches and to the quantification of the influence of sea level on sedimentation rates. {C}ontinuous over-the-year recording of water levels has been undertaken at eight locations along the lower reaches of the {A}mazon {R}iver and flow measurement campaigns have been organized for different river discharge rates (100000 m(3) s(-1), 190 000 m(3), s(-1) and 250 000 m(3) s(-1)) and sea-tide amplitudes (2-3.5 m). {D}amping, time-delay and deformation of the tidal wave signals, depending on water regimes and distances from the sea, have been analyzed. {T}he physical processes of wave propagation and cyclic water storage and release have been investigated both through data analysis and the application of mathematical hydrodynamic models. {T}he impact of tidal pulses on sediment transport to the sea has been assessed.}, keywords = {{A}mazon {R}iver ; {B}razil ; hydrology ; tidal effects ; sediment transport ; {BRESIL} ; {AMAZONIE}}, booktitle = {}, journal = {{H}ydrological {P}rocesses}, volume = {23}, numero = {22}, pages = {3141--3150}, ISSN = {0885-6087}, year = {2009}, DOI = {10.1002/hyp.7387}, URL = {https://www.documentation.ird.fr/hor/fdi:010048362}, }