@article{fdi:010063140,
  title = {{U}nstable ice stream in {G}reenland during the {Y}ounger {D}ryas cold event},
  author = {{R}interknecht, {V}. and {J}omelli, {V}. and {B}runstein, {D}. and {F}avier, {V}. and {M}asson-{D}elmotte, {V}. and {B}ourles, {D}. and {L}eanni, {L}aetitia and {S}chlappy, {R}.},
  editor = {},
  language = {{ENG}},
  abstract = {{P}ast, present, and future ice sheet stability is closely linked to the dynamic behavior of major draining ice streams and surrounding ice shelves. {W}hile short observational records document the recent variability and acceleration of ice streams, the long-term dynamics of ice streams remain poorly documented. {H}ere, we date the {P}jetursson's {M}oraine on {D}isko {I}sland, {G}reenland, to 12.2 +/- 0.6 ka and demonstrate that the {J}akobshavn {I}sbr ae ({JI}) ice stream collapsed during the middle of the {Y}ounger {D}ryas ({YD}) cold interval. {W}e suggest that this collapse was due to the incursion of warm subsurface water under the ice shelf fronting the {JI} ice stream, as well as increased surface-air temperature and sea-surface temperature seasonality starting at the beginning of the {YD} cold interval. {T}he triggered acceleration of the land-based {JI} and the delivery of icebergs into {D}isko {B}ugt potentially contributed to {H}einrich {E}vent 0 at the end of the {YD}. {T}he collapse of the {JI} ice stream 12.2 +/- 0.6 ka ago demonstrates that calving marine-based ice margins can respond rapidly to environmental changes. {I}t provides a new benchmark for marine-terminating ice stream models.},
  keywords = {{GROENLAND}},
  booktitle = {},
  journal = {{G}eology},
  volume = {42},
  numero = {9},
  pages = {759--762},
  ISSN = {0091-7613},
  year = {2014},
  DOI = {10.1130/g35929.1},
  URL = {https://www.documentation.ird.fr/hor/fdi:010063140},
}