@article{fdi:010075161,
  title = {{I}maging the {G}alapagos mantle plume with an unconventional application of floating seismometers},
  author = {{N}olet, {G}. and {H}ello, {Y}ann and van der {L}ee, {S}. and {B}onnieux, {S}. and {R}uiz, {M}. {C}. and {P}azmino, {N}. {A}. and {D}eschamps, {A}. and {R}egnier, {M}. {M}. and {F}ont, {Y}vonne and {C}hen, {Y}. {J}. and {S}imons, {F}. {J}.},
  editor = {},
  language = {{ENG}},
  abstract = {{W}e launched an array of nine freely floating submarine seismometers near the {G}alapagos islands, which remained operational for about two years. {P} and {PKP} waves from regional and teleseismic earthquakes were observed for a range of magnitudes. {T}he signal-to-noise ratio is strongly influenced by the weather conditions and this determines the lowest magnitudes that can be observed. {W}aves from deep earthquakes are easier to pick, but the {S}/{N} ratio can be enhanced through filtering and the data cover earthquakes from all depths. {W}e measured 580 arrival times for different raypaths. {W}e show that even such a limited number of data gives a significant increase in resolution for the oceanic upper mantle. {T}his is the first time an array of floating seismometers is used in seismic tomography to improve the resolution significantly where otherwise no seismic information is available. {W}e show that the {G}alapagos {A}rchipelago is underlain by a deep (about 1900 km) 200-300 km wide plume of high temperature, with a heat flux very much larger than predicted from its swell bathymetry. {T}he decrease of the plume temperature anomaly towards the surface indicates that the {E}arth's mantle has a subadiabatic temperature gradient.},
  keywords = {{PACIFIQUE} ; {GALAPAGOS}},
  booktitle = {},
  journal = {{S}cientific {R}eports - {N}ature},
  volume = {9},
  numero = {},
  pages = {1326 [12 ]},
  ISSN = {2045-2322},
  year = {2019},
  DOI = {10.1038/s41598-018-36835-w},
  URL = {https://www.documentation.ird.fr/hor/fdi:010075161},
}