Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Roman, J."'
Publikováno v:
Journal of Glaciology, Vol 67, Pp 204-218 (2021)
The recently-advancing Taku Glacier is excavating subglacial sediments at high rates over multi-decadal timescales. However, sediment redistribution over shorter timescales remains unquantified. We use a variety of methods to study subglacial and pro
Externí odkaz:
https://doaj.org/article/3a6c44ad943e44e2b01954e601632912
Autor:
Jason M. Amundson, Christian Kienholz, Alexander O. Hager, Rebecca H. Jackson, Roman J. Motyka, Jonathan D. Nash, David A. Sutherland
Publikováno v:
Journal of Glaciology, Vol 66, Pp 577-590 (2020)
Ice mélange has been postulated to impact glacier and fjord dynamics through a variety of mechanical and thermodynamic couplings. However, observations of these interactions are very limited. Here, we report on glaciological and oceanographic data t
Externí odkaz:
https://doaj.org/article/a6957052ff05490297aae7e9a9423256
Autor:
CHRISTIAN KIENHOLZ, JASON M. AMUNDSON, ROMAN J. MOTYKA, REBECCA H. JACKSON, JOHN B. MICKETT, DAVID A. SUTHERLAND, JONATHAN D. NASH, DYLAN S. WINTERS, WILLIAM P. DRYER, MARTIN TRUFFER
Publikováno v:
Journal of Glaciology, Vol 65, Pp 195-211 (2019)
We present a workflow to track icebergs in proglacial fjords using oblique time-lapse photos and the Lucas-Kanade optical flow algorithm. We employ the workflow at LeConte Bay, Alaska, where we ran five time-lapse cameras between April 2016 and Septe
Externí odkaz:
https://doaj.org/article/9fe0fd4389f14ef6b160ac48b7455bc6
Autor:
ROMAN J. MOTYKA, RYAN CASSOTTO, MARTIN TRUFFER, KRISTIAN K. KJELDSEN, DIRK VAN AS, NIELS J. KORSGAARD, MARK FAHNESTOCK, IAN HOWAT, PETER L. LANGEN, JOHN MORTENSEN, KUNUK LENNERT, SØREN RYSGAARD
Publikováno v:
Journal of Glaciology, Vol 63, Pp 288-308 (2017)
We assess ice loss and velocity changes between 1985 and 2014 of three tidewater and five-land terminating glaciers in Godthåbsfjord (Nuup Kangerlua), Greenland. Glacier thinning accounted for 43.8 ± 0.2 km3 of ice loss, equivalent to 0.10 mm eusta
Externí odkaz:
https://doaj.org/article/760060607439430c8694dae951c7fff6
Publikováno v:
Journal of Glaciology. 67:204-218
The recently-advancing Taku Glacier is excavating subglacial sediments at high rates over multi-decadal timescales. However, sediment redistribution over shorter timescales remains unquantified. We use a variety of methods to study subglacial and pro
Autor:
Jonathan D. Nash, Jason M. Amundson, A. Hager, Roman J. Motyka, R. H. Jackson, C. Kienholz, David A. Sutherland
Publikováno v:
Journal of Glaciology. 66:577-590
Ice mélange has been postulated to impact glacier and fjord dynamics through a variety of mechanical and thermodynamic couplings. However, observations of these interactions are very limited. Here, we report on glaciological and oceanographic data t
Autor:
Dylan Winters, Jonathan D. Nash, W. P. Dryer, Martin Truffer, Jason M. Amundson, David A. Sutherland, C. Kienholz, John B. Mickett, R. H. Jackson, Roman J. Motyka
Publikováno v:
Journal of Glaciology. 65:195-211
We present a workflow to track icebergs in proglacial fjords using oblique time-lapse photos and the Lucas-Kanade optical flow algorithm. We employ the workflow at LeConte Bay, Alaska, where we ran five time-lapse cameras between April 2016 and Septe
Akademický článek
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Akademický článek
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Publikováno v:
Journal of Glaciology; Apr2021, Vol. 67 Issue 262, p204-218, 15p