@article{fdi:010075114, title = {{A} new remote predictor of wave reflection based on runup asymmetry}, author = {{A}lmar, {R}afa{\¨e}l and {B}lenkinsopp, {C}. and {A}lmeida, {L}. {P}. and {C}atalan, {P}. {A}. and {B}ergsma, {E}. and {C}ienfuegos, {R}. and {V}iet, {N}. {T}.}, editor = {}, language = {{ENG}}, abstract = {{R}eflected waves account for a significant part of the nearshore energy budget and influence incoming waves, nearshore circulation and sediment transport. {T}he use of swash parameters to estimate wave reflection is investigated at three different beaches ranging from highly reflective to dissipative. {I}t is observed that it is essential to account for swash processes when estimating reflection, in particular at intermediate and reflective beaches with a steep beachface. {O}ur results show that runup asymmetry in uprush/backwash can be used as a proxy for dissipation in the swash zone: larger asymmetry values indicating greater dissipation. {I}n our dataset, a reflection predictor based on runup asymmetry has better skill in comparison to empirical predictors based on surf similarity, because runup is a process that integrates both surf and swash zone wave transformation. {R}unup asymmetry behaves as a swash similarity parameter and reflects an equilibrium between swash period, slope and dissipation.}, keywords = {nearshore ; {V}ideo imagery ; {R}unup asymmetry ; {S}wash dissipation ; {R}eflection ; {CHILI} ; {BENIN} ; {VIET} {NAM} ; {MATAQUITO} ; {NHA} {TRANG} ; {GRAND} {POPO}}, booktitle = {}, journal = {{E}stuarine {C}oastal and {S}helf {S}cience}, volume = {217}, numero = {}, pages = {1--8}, ISSN = {0272-7714}, year = {2019}, DOI = {10.1016/j.ecss.2018.10.018}, URL = {https://www.documentation.ird.fr/hor/fdi:010075114}, }