Efficient meltwater drainage through supraglacial streams and rivers on the southwest Greenland ice sheet

Proceedings of the National Academy of Sciences of the United States of America

Volumn 112, Issue 4, 2015, Pages 1001-1006

  Smith, Laurence C ^a   Chu, Vena W ^a   Yang, Kang ^a   Gleason, Colin J ^a   Pitcher, Lincoln H ^a   Rennermalm, Asa K ^b   Legleiter, Carl J ^c   Behar, Alberto E ^d   Overstreet, Brandon T ^c   Moustafa, Samiah E ^b   Tedesco, Marco ^e   Forster, Richard R ^f   LeWinter, Adam L ^g   Finnegan, David C ^g   Sheng, Yongwei ^a   Balog, James ^h  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b RUTGERS UNIVERSITY   (United States)

^c UNIVERSITY OF WYOMING   (United States)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^e CITY COLLEGE OF NEW YORK   (United States)

^f UNIVERSITY OF UTAH   (United States)

^g Engineering Research and Development Center   (United States)

^h Earth Vision Trust   (United States)

Author keywords

Greenland ice sheet; Mass balance; Meltwater runoff; Remote sensing; Supraglacial hydrology

Indexed keywords

RUNOFF;

ARTICLE; GEOLOGY; GLACIER; GREENLAND; ICE SHEET; PRIORITY JOURNAL; RIVER; STREAM (RIVER); WATER SUPPLY;

EID: 84921801575     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1413024112     Document Type: Article

References (33)

1. van den Broeke M, et al. (2009) Partitioning recent Greenland mass loss. Science 326(5955):984-986.
2. Enderlin EM, et al. (2014) An improved mass budget for the Greenland ice sheet. Geophys Res Lett 41:866-872.
3. Liang Y-L, et al. (2012) A decadal investigation of supraglacial lakes in West Greenland using a fully automatic detection and tracking algorithm. Remote Sens Environ 123:127-138.
4. Colgan W, et al. (2011) An increase in crevasse extent, West Greenland: Hydrologic implications. Geophys Res Lett 38:1-7.
5. McGrath D, Colgan W, Steffen K, Lauffenburger P, Balog J (2011) Assessing the summer water budget of a moulin basin in the Sermeq Avannarleq ablation region, Greenland ice sheet. J Glaciol 57:954-964.
6. Joughin I, et al. (2013) Influence of ice-sheet geometry and supraglacial lakes on seasonal ice-flow variability. Cryosph 7:1185-1192.
7. Lampkin DJ, VanderBerg J (November 20, 2013) Supraglacial melt channel networks in the Jakobshavn Isbræ region during the 2007 melt season. Hydrol Process, 10.1002/ hyp.10085.
8. Arnold NS (2010) A new approach for dealing with depressions in digital elevation models when calculating flow accumulation values. Prog Phys Geogr 34:781-809.
9. Lewis SM, Smith LC (2009) Hydrologic drainage of the Greenland Ice Sheet. Hydrol Processes 23:2004-2011.
10. Banwell AF, Arnold NS, Willis IC, Tedesco M, Ahlstrom AP (2012) Modeling supraglacial water routing and lake filling on the Greenland Ice Sheet. J Geophys Res 117: F04012.
11. Bamber JL, Siegert MJ, Griggs JA, Marshall SJ, Spada G (2013) Paleofluvial mega-canyon beneath the central Greenland ice sheet. Science 341(6149):997-999.
12. Box JE, Ski K (2007) Remote sounding of Greenland supraglacial melt lakes: Implications for subglacial hydraulics. J Glaciol 53:257-265.
13. Selmes N, Murray T, James TD (2011) Fast draining lakes on the Greenland Ice Sheet. Geophys Res Lett 38:1-5.
14. Leeson AA, et al. (2013) A comparison of supraglacial lake observations derived from MODIS imagery at the western margin of the Greenland ice sheet. J Glaciol 59:1179-1188.
15. Fitzpatrick AAW, et al. (2014) A decade (2002-2012) of supraglacial lake volume estimates across Russell Glacier, West Greenland. Cryosph 8:107-121.
16. Catania GA, Neumann TA, Price SF (2008) Characterizing englacial drainage in the ablation zone of the Greenland ice sheet. J Glaciol 54:567-578.
17. Das SB, et al. (2008) Fracture propagation to the base of the Greenland Ice Sheet during supraglacial lake drainage. Science 320(5877):778-781.
18. Schoof C (2010) Ice-sheet acceleration driven by melt supply variability. Nature 468(7325):803-806.
19. Palmer S, Shepherd A, Nienow P, Joughin I (2011) Seasonal speedup of the Greenland Ice Sheet linked to routing of surface water. Earth Planet Sci Lett 302:423-428.
20. Sundal AV, et al. (2011) Melt-induced speed-up of Greenland ice sheet offset by efficient subglacial drainage. Nature 469(7331):521-524.
21. Phillips T, Rajaram H, Colgan W, Steffen K, Abdalati W (2013) Evaluation of cryohydrologic warming as an explanation for increased ice velocities in the wet snow zone, Sermeq Avannarleq, West Greenland. J Geophys Res Earth Surf 118:1241-1256.
22. Yang K, Smith LC (2013) Supraglacial streams on the Greenland Ice Sheet delineated from combined spectral - shape information in high-resolution satellite imagery. IEEE Geosci Remote Sens Lett 10:801-805.
23. Rignot E, Velicogna I, van den Broeke MR, Monaghan A, Lenaerts JTM (2011) Acceleration of the contribution of the Greenland and Antarctic ice sheets to sea level rise. Geophys Res Lett 38:1-5.
24. Alley RB, Clark PU, Huybrechts P, Joughin I (2005) Ice-sheet and sea-level changes. Science 310:456-60.
25. Fettweis X, et al. (2013) Estimating the Greenland ice sheet surface mass balance contribution to future sea level rise using the regional atmospheric climate model MAR. Cryosph 7:469-489.
26. Vizcaíno M, Lipscomb WH, Sacks WJ, van den Broeke M (2014) Greenland Surface Mass Balance as Simulated by the Community Earth System Model. Part II: Twenty-First-Century Changes. J Clim 27:215-226.
27. Hall DK, et al. (2013) Variability in the surface temperature and melt extent of the Greenland ice sheet from MODIS. Geophys Res Lett 40:1-7.
28. Tedesco M, et al. (2013) Evidence and analysis of 2012 Greenland records from spaceborne observations, a regional climate model and reanalysis data. Cryosph 7:615-630.
29. Legleiter CJ, Tedesco M, Smith LC, Behar E, Overstreet BT (2014) Mapping the bathymetry of supraglacial lakes and streams on the Greenland ice sheet using field measurements and high-resolution satellite images. Cryosph 8:215-228.
30. Rennermalm AK, et al. (2013) Evidence of meltwater retention within the Greenland ice sheet. Cryosph 7:1433-1445.
31. Andrews LC, et al. (2014) Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet. Nature 514(7520):80-83.
32. Zwally HJ, et al. (2002) Surface melt-induced acceleration of Greenland ice-sheet flow. Science 297(5579):218-222.
33. Sasgen I, et al. (2012) Timing and origin of recent regional ice-mass loss in Greenland. Earth Planet Sci Lett 333-334:293-303.