@article{fdi:010057079,
  title = {{B}e-10-derived {H}imalayan denudation rates and sediment budgets in the {G}anga basin},
  author = {{L}upker, {M}. and {B}lard, {P}. {H}. and {L}ave, {J}. and {F}rance-{L}anord, {C}. and {L}eanni, {L}aetitia and {P}uchol, {N}. and {C}harreau, {J}. and {B}ourl{\`e}s, {D}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he {H}imalayas represent the archetype of mountain building due to active continental collision and are considered in many studies as the locus of intense interactions between climate, denudation and tectonics. {E}stimates of modern denudation rates across the entire range remain, however, relatively sparse. {I}n this study, in situ-produced cosmogenic {B}e-10 concentrations were measured in detritic quartz in order to determine basin-scale denudation rates for the central part of the {H}imalayan range. {R}iver sand was sampled over several years in the main trans-{H}imalayan rivers, from the {H}imalayan front to the {G}anga outlet in {B}angladesh. {T}he calculated {B}e-10 denudation rates of the trans-{H}imalayan river basins range from 0.5 to 2.4 mm yr(-1) (average 1.3 mm yr(-1)) and vary by up to a factor of 3 between sampling years. {T}hese denudation rates strongly contrast with the 0.007 mm yr(-1) denudation rate of southern tributary basins draining the {I}ndian craton. {T}his work also shows that in the {G}anga basin, no systematic evolution of average {B}e-10 concentrations is observed during floodplain transfer, implying that distal samples can be used to estimate the integrated denudation rate of the whole central {H}imalayan range. {S}amples from the {G}anga in {B}angladesh display remarkably low variability in {B}e-10 concentration, implying an average {H}imalayan denudation rate of 1.0-1.1 mm yr(-1). {H}owever, within the floodplain, several samples suggest a recent perturbation of sediment transport dynamics with a recent increase in the relative sediment contribution from southern tributaries. {T}he {H}imalayan sediment flux, deduced from the {B}e-10 denudation rate of the range, is 610 +/- 230 {M}t yr(-1). {T}his flux is consistent, within uncertainty, with sediment fluxes derived from sediment gauging. {T}he similarity of the two flux estimates suggests that {H}imalayan erosion fluxes have remained stable over the last centuries, even if the large uncertainties associated with each method hamper more precise assessments.},
  keywords = {{G}anga basin ; {H}imalaya ; {B}e-10 ; cosmogenic ; denudation rates ; sediment flux},
  booktitle = {},
  journal = {{E}arth and {P}lanetary {S}cience {L}etters},
  volume = {333},
  numero = {},
  pages = {146--156},
  ISSN = {0012-821{X}},
  year = {2012},
  DOI = {10.1016/j.epsl.2012.04.020},
  URL = {https://www.documentation.ird.fr/hor/fdi:010057079},
}