@article{fdi:010066847, title = {{H}ow do subduction processes contribute to forearc {A}ndean uplift ? {I}nsights from numerical models}, author = {{M}artinod, {J}. and {R}egard, {V}. and {L}etourmy, {Y}. and {H}enry, {H}. and {H}assani, {R}. and {B}aratchart, {S}. and {C}arretier, {S}{\'e}bastien}, editor = {}, language = {{ENG}}, abstract = {{W}e present numerical models to study how changes in the process of subduction may explain the observed {Q}uaternary uplift of the {A}ndean forearc region. {I}ndeed, most segments of the {S}outh {A}merican {P}acific coasts between 16 and 32 degrees {S} have been uplifting since the {L}ower {P}leistocene, following a period of stability of the forearc region. {M}odels confirm that local uplift is expected to occur above ridges, this phenomenon being predominant in central {P}eru where the {N}azca {R}idge is subducting. {W}e investigate the effects of slab pull, interplate friction and convergence velocity on the vertical displacements of the overriding plate. {W}e propose that the global tendency to coastal uplift is accompanying the deceleration of the {N}azca-{S}outh {A}merica convergence that occurred in the {P}leistocene. {I}n contrast, forearc subsidence may accompany increasing convergence velocities, as suggested by the subsidence history of the {S}outh {A}merica active margin.}, keywords = {{A}ndes ; {S}ubduction ; {F}orearc ; {U}plift ; {M}odeling ; {CHILI} ; {EQUATEUR} ; {PEROU} ; {ANDES} ; {PACIFIQUE}}, booktitle = {}, journal = {{J}ournal of {G}eodynamics}, volume = {96}, numero = {}, pages = {6--18}, ISSN = {0264-3707}, year = {2016}, DOI = {10.1016/j.jog.2015.04.001}, URL = {https://www.documentation.ird.fr/hor/fdi:010066847}, }