Johnny Ryan
Johnny Ryan
Assistant Professor of Geography, University of Oregon
Verificeret mail på uoregon.edu - Startside
Citeret af
Citeret af
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
Human alteration of global surface water storage variability
SW Cooley, JC Ryan, LC Smith
Nature 591, 78–81, 2021
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 2020, 1-35, 2020
Arctic‐Boreal lake dynamics revealed using CubeSat imagery
SW Cooley, LC Smith, JC Ryan, LH Pitcher, TM Pavelsky
Geophysical Research Letters 46 (4), 2019
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
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
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
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
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
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
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
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
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
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
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
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
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
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, ...
Cryosphere Discussions 8 (2), 2243-2275, 2015
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
Storage and export of microbial biomass across the western Greenland Ice Sheet
TDL Irvine-Fynn, A Edwards, IT Stevens, AC Mitchell, P Bunting, JE Box, ...
Nature Communications 12, 2021
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