@article{PAR00008962, title = {{P}leistocene alluvial deposits dating along frontal thrust of {C}hanghua {F}ault in western {T}aiwan : the cosmic ray exposure point of view}, author = {{S}iame, {L}. {L}. and {C}hen, {R}. {F}. and {D}errieux, {F}. and {L}ee, {J}. {C}. and {C}hang, {K}. {J}. and {B}ourles, {D}. {L}. and {B}raucher, {R}. and {L}eanni, {L}aetitia and {K}ang, {C}. {C}. and {C}hang, {C}. {P}. and {C}hu, {H}. {T}.}, editor = {}, language = {{ENG}}, abstract = {{T}o tackle the history of active thrusts, it is necessary to open the observation window on time scales on the order of 10(4)-10(5) years by studying the surface morphologies resulting from their activities. {B}ecause fluvial systems are particularly sensitive to recent environmental changes, geomorphic features such as alluvial terraces are frequently used as markers to gauge tectonic deformation. {T}ogether with the measurement of cumulative displacements, the chronological framework of emplacement and abandonment of these geomorphic markers is thus fundamental to determine long-term fault slip-rates. {I}n {T}aiwan, the geomorphic features associated with fault activity have been studied in detail with a high level of resolution; however, the use of deformed and partially preserved alluvial terraces is often hampered by the absence of well-documented ages. {T}he purpose of this paper is two-fold. {F}irst, we take the opportunity to review the chronological constraints that have been published in {T}aiwan so far. {S}econd, we present how the cosmogenic dating method (in situ-produced {B}e-10) can be used to constraint the chronological framework of alluvial deposits over a {P}leistocene time scale. {T}hanks to a comparison of our cosmogenic-derived ages with existing data, we present a consistent regional chronological framework for the {P}akua-{T}adu area along the {C}hanghua {F}ault, one of the most active frontal thrusts in the {W}estern {F}oothills of the {T}aiwan mountain belt. {W}e also discuss its relationships with global eustatism and its tectonic implications for the timing of propagation of the deformation front during the last 450 kyr.}, keywords = {{C}osmogenic nuclides ; {A}lluvial deposits ; {A}ctive tectonics ; {S}eismic ; hazards}, booktitle = {}, journal = {{J}ournal of {A}sian {E}arth {S}ciences}, volume = {51}, numero = {}, pages = {1--20}, ISSN = {1367-9120}, year = {2012}, DOI = {10.1016/j.jseaes.2012.02.002}, URL = {https://www.documentation.ird.fr/hor/{PAR}00008962}, }