@inproceedings{fdi:010072148, title = {{COASTVAR} : understanding the processes responsible for the observed large coastal variability and quantifying their impact [r{\'e}sum{\'e}]}, author = {{A}lmar, {R}afa{\¨e}l}, editor = {}, language = {{ENG}}, abstract = {{T}his project is an important step to not only improving our understanding of coastal dynamics in vulnerable and non-documented tropical environments, but more generally providing fundamental insight in the functioning of coastal zones. {I}t enable to validate 3{D} wave-current models and 2{D} morphological models in challenging conditions. {COASTVAR} has three key scientific objectives: 1) {B}ridging the knowledge gap in event-scale beach evolution and more specifically on hydro-sedimentary mechanisms linking the upper beachand surf-zone dynamics. {T}his includes the study of extreme events and crucial but mostly unknown beach recovery. 2) {I}dentifying the hydrodynamic processes involved in cross-shore exchanges between nearshore and shelf zones and the role of transient currents. {T}here is still no consensus on the origin and effect of these currents, on their 2{D} or 3{D} dynamics and their relation to the stratification of shelf waters. 3) {U}nderstanding the sources of coastal variability at various scales, in particular the link between short-term (event scale) and long-term evolution. {T}his includes determining the long-term impact of individual events (i.e., resilience?) and the coastal response to oceanic forcing with seasonal modulation of wave conditions or regional climatic modes.}, keywords = {{AFRIQUE} {DE} {L}'{OUEST} ; {ATLANTIQUE}}, numero = {}, pages = {148}, booktitle = {{I}nternational conference {ICAWA} 2016 : extended book of abstract : the {AWA} project : ecosystem approach to the management of fisheries and the marine environment in {W}est {A}frican waters}, year = {2017}, ISBN = {978-2-9553602-0-5}, URL = {https://www.documentation.ird.fr/hor/fdi:010072148}, }