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Johnny Ryan
Johnny Ryan
Assistant Professor of Geography, University of Oregon
Verified email at uoregon.edu - Homepage
Title
Cited by
Cited by
Year
UAV photogrammetry and structure from motion to assess calving dynamics at Store Glacier, a large outlet draining the Greenland ice sheet
JC Ryan, AL Hubbard, JE Box, J Todd, P Christoffersen, JR Carr, TO Holt, ...
The Cryosphere 9, 1-11, 2015
2392015
Algae drive enhanced darkening of bare ice on the Greenland ice sheet
M Stibal, JE Box, KA Cameron, PL Langen, ML Yallop, RH Mottram, ...
Geophysical Research Letters 44 (22), 11,463-11,471, 2017
892017
Dark zone of the Greenland Ice Sheet controlled by distributed biologically-active impurities
JC Ryan, A Hubbard, M Stibal, TDL Irvine-Fynn, J Cook, LC Smith, ...
Nature Communications 9 (1), 2018
842018
GrSMBMIP: intercomparison of the modelled 1980–2012 surface mass balance over the Greenland Ice Sheet
X Fettweis, S Hofer, U Krebs-Kanzow, C Amory, T Aoki, CJ Berends, ...
The Cryosphere 14 (11), 3935-3958, 2020
822020
Human alteration of global surface water storage variability
SW Cooley, JC Ryan, LC Smith
Nature 591, 78–81, 2021
802021
Greenland Ice Sheet surface melt amplified by snowline migration and bare ice exposure
JC Ryan, LC Smith, D van As, SW Cooley, MG Cooper, LH Pitcher, ...
Science Advances 5 (3), 2019
802019
Arctic‐Boreal lake dynamics revealed using CubeSat imagery
SW Cooley, LC Smith, JC Ryan, LH Pitcher, TM Pavelsky
Geophysical Research Letters 46 (4), 2019
742019
Direct measurements of meltwater runoff on the Greenland ice sheet surface
LC Smith, K Yang, LH Pitcher, BT Overstreet, VW Chu, ÅK Rennermalm, ...
Proceedings of the National Academy of Sciences 114 (50), E10622-E10631, 2017
642017
A full‐Stokes 3‐D calving model applied to a large Greenlandic glacier
J Todd, P Christoffersen, T Zwinger, P Råback, N Chauché, D Benn, ...
Journal of Geophysical Research: Earth Surface 123 (3), 410-432, 2018
632018
Glacier algae accelerate melt rates on the south-western Greenland Ice Sheet
JM Cook, AJ Tedstone, C Williamson, J McCutcheon, AJ Hodson, A Dayal, ...
The Cryosphere 14, 309-330, 2020
542020
Derivation of high spatial resolution albedo from UAV digital imagery: application over the Greenland Ice Sheet
JC Ryan, A Hubbard, JE Box, S Brough, K Cameron, JM Cook, M Cooper, ...
Frontiers in Earth Science 5 (40), 2017
422017
How robust are in situ observations for validating satellite‐derived albedo over the dark zone of the Greenland Ice Sheet?
JC Ryan, A Hubbard, TD Irvine‐Fynn, SH Doyle, JM Cook, M Stibal, ...
Geophysical Research Letters 44 (12), 6218-6225, 2017
382017
Meltwater storage in low-density near-surface bare ice in the Greenland ice sheet ablation zone
MG Cooper, LC Smith, A Rennermalm, C Miège, LH Pitcher, K Yang, ...
The Cryosphere 12, 955-970, 2018
332018
Coldest Canadian Arctic communities face greatest reductions in shorefast sea ice
SW Cooley, JC Ryan, LC Smith, C Horvat, B Pearson, B Dale, AH Lynch
Nature Climate Change, 2020
322020
Global characterization of inland water reservoirs using ICESat-2 altimetry and climate reanalysis
JC Ryan, LC Smith, SW Cooley, LH Pitcher, TM Pavelsky
Geophysical Research Letters 47 (17), 2020
272020
Repeat UAV photogrammetry to assess calving front dynamics at a large outlet glacier draining the Greenland Ice Sheet
JC Ryan, AL Hubbard, J Todd, JR Carr, JE Box, P Christoffersen, TO Holt, ...
The Cryosphere Discuss 8 (2), 2243-2275, 2014
232014
High-endurance UAV for monitoring calving glaciers: Application to the Inglefield Bredning and Eqip Sermia, Greenland
G Jouvet, Y Weidmann, E van Dongen, M Luethi, A Vieli, JC Ryan
Frontiers in Earth Science 7, 2019
162019
Attribution of Greenland’s ablating ice surfaces on ice sheet albedo using unmanned aerial systems
JC Ryan, AL Hubbard, M Stibal, JE Box
The Cryosphere Discuss., 2016
152016
Supraglacial river forcing of subglacial water storage and diurnal ice sheet motion
LC Smith, LC Andrews, LH Pitcher, BT Overstreet, ÅK Rennermalm, ...
Geophysical Research Letters 48 (7), 2021
132021
Direct observation of winter meltwater drainage from the Greenland Ice Sheet
LH Pitcher, LC Smith, CJ Gleason, C Miège, JC Ryan, B Hagedorn, ...
Geophysical Research Letters 47 (9), 2020
122020
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