Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N)

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N). / Bendtsen, Jørgen; Mortensen, John; Lennert, Kunuk; Ehn, Jens K.; Boone, Wieter; Galindo, Virginie; Hu, Yu Bin; Dmitrenko, Igor A.; Kirillov, Sergei A.; Kjeldsen, Kristian Kjellerup; Kristoffersen, Yngve; Barber, David G.; Rysgaard, Søren.

In: Scientific Reports, Vol. 7, 4941, 10.07.2017.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Bendtsen, J, Mortensen, J, Lennert, K, Ehn, JK, Boone, W, Galindo, V, Hu, YB, Dmitrenko, IA, Kirillov, SA, Kjeldsen, KK, Kristoffersen, Y, Barber, DG & Rysgaard, S 2017, 'Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N)', Scientific Reports, vol. 7, 4941. https://doi.org/10.1038/s41598-017-05089-3

APA

Bendtsen, J., Mortensen, J., Lennert, K., Ehn, J. K., Boone, W., Galindo, V., ... Rysgaard, S. (2017). Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N). Scientific Reports, 7, [4941]. https://doi.org/10.1038/s41598-017-05089-3

Vancouver

Bendtsen J, Mortensen J, Lennert K, Ehn JK, Boone W, Galindo V et al. Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N). Scientific Reports. 2017 Jul 10;7. 4941. https://doi.org/10.1038/s41598-017-05089-3

Author

Bendtsen, Jørgen ; Mortensen, John ; Lennert, Kunuk ; Ehn, Jens K. ; Boone, Wieter ; Galindo, Virginie ; Hu, Yu Bin ; Dmitrenko, Igor A. ; Kirillov, Sergei A. ; Kjeldsen, Kristian Kjellerup ; Kristoffersen, Yngve ; Barber, David G. ; Rysgaard, Søren. / Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N). In: Scientific Reports. 2017 ; Vol. 7.

Bibtex

@article{fa9c383885494e2ca9943f8e6417454e,
title = "Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N)",
abstract = "Rising temperatures in the Arctic cause accelerated mass loss from the Greenland Ice Sheet and reduced sea ice cover. Tidewater outlet glaciers represent direct connections between glaciers and the ocean where melt rates at the ice-ocean interface are influenced by ocean temperature and circulation. However, few measurements exist near outlet glaciers from the northern coast towards the Arctic Ocean that has remained nearly permanently ice covered. Here we present hydrographic measurements along the terminus of a major retreating tidewater outlet glacier from Flade Isblink Ice Cap. We show that the region is characterized by a relatively large change of the seasonal freshwater content, corresponding to ∼2 m of freshwater, and that solar heating during the short open water period results in surface layer temperatures above 1 °C. Observations of temperature and salinity supported that the outlet glacier is a floating ice shelf with near-glacial subsurface temperatures at the freezing point. Melting from the surface layer significantly influenced the ice foot morphology of the glacier terminus. Hence, melting of the tidewater outlet glacier was found to be critically dependent on the retreat of sea ice adjacent to the terminus and the duration of open water.",
author = "J{\o}rgen Bendtsen and John Mortensen and Kunuk Lennert and Ehn, {Jens K.} and Wieter Boone and Virginie Galindo and Hu, {Yu Bin} and Dmitrenko, {Igor A.} and Kirillov, {Sergei A.} and Kjeldsen, {Kristian Kjellerup} and Yngve Kristoffersen and Barber, {David G.} and S{\o}ren Rysgaard",
year = "2017",
month = "7",
day = "10",
doi = "10.1038/s41598-017-05089-3",
language = "English",
volume = "7",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "nature publishing group",

}

RIS

TY - JOUR

T1 - Sea ice breakup and marine melt of a retreating tidewater outlet glacier in northeast Greenland (81°N)

AU - Bendtsen, Jørgen

AU - Mortensen, John

AU - Lennert, Kunuk

AU - Ehn, Jens K.

AU - Boone, Wieter

AU - Galindo, Virginie

AU - Hu, Yu Bin

AU - Dmitrenko, Igor A.

AU - Kirillov, Sergei A.

AU - Kjeldsen, Kristian Kjellerup

AU - Kristoffersen, Yngve

AU - Barber, David G.

AU - Rysgaard, Søren

PY - 2017/7/10

Y1 - 2017/7/10

N2 - Rising temperatures in the Arctic cause accelerated mass loss from the Greenland Ice Sheet and reduced sea ice cover. Tidewater outlet glaciers represent direct connections between glaciers and the ocean where melt rates at the ice-ocean interface are influenced by ocean temperature and circulation. However, few measurements exist near outlet glaciers from the northern coast towards the Arctic Ocean that has remained nearly permanently ice covered. Here we present hydrographic measurements along the terminus of a major retreating tidewater outlet glacier from Flade Isblink Ice Cap. We show that the region is characterized by a relatively large change of the seasonal freshwater content, corresponding to ∼2 m of freshwater, and that solar heating during the short open water period results in surface layer temperatures above 1 °C. Observations of temperature and salinity supported that the outlet glacier is a floating ice shelf with near-glacial subsurface temperatures at the freezing point. Melting from the surface layer significantly influenced the ice foot morphology of the glacier terminus. Hence, melting of the tidewater outlet glacier was found to be critically dependent on the retreat of sea ice adjacent to the terminus and the duration of open water.

AB - Rising temperatures in the Arctic cause accelerated mass loss from the Greenland Ice Sheet and reduced sea ice cover. Tidewater outlet glaciers represent direct connections between glaciers and the ocean where melt rates at the ice-ocean interface are influenced by ocean temperature and circulation. However, few measurements exist near outlet glaciers from the northern coast towards the Arctic Ocean that has remained nearly permanently ice covered. Here we present hydrographic measurements along the terminus of a major retreating tidewater outlet glacier from Flade Isblink Ice Cap. We show that the region is characterized by a relatively large change of the seasonal freshwater content, corresponding to ∼2 m of freshwater, and that solar heating during the short open water period results in surface layer temperatures above 1 °C. Observations of temperature and salinity supported that the outlet glacier is a floating ice shelf with near-glacial subsurface temperatures at the freezing point. Melting from the surface layer significantly influenced the ice foot morphology of the glacier terminus. Hence, melting of the tidewater outlet glacier was found to be critically dependent on the retreat of sea ice adjacent to the terminus and the duration of open water.

UR - http://www.scopus.com/inward/record.url?scp=85022335302&partnerID=8YFLogxK

U2 - 10.1038/s41598-017-05089-3

DO - 10.1038/s41598-017-05089-3

M3 - Journal article

C2 - 28694490

AN - SCOPUS:85022335302

VL - 7

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

M1 - 4941

ER -

ID: 181384284