Articles | Volume 9, issue 2
https://doi.org/10.5194/essd-9-435-2017
https://doi.org/10.5194/essd-9-435-2017
12 Jul 2017
 | 12 Jul 2017

High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions

Andrew G. Fountain, Juan C. Fernandez-Diaz, Maciej Obryk, Joseph Levy, Michael Gooseff, David J. Van Horn, Paul Morin, and Ramesh Shrestha

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Cited articles

Bindschadler, R. A., Vornberger, P., Fleming, A., Fox, A. D., Mullins, J., Binnie, D., Paulsen, S., Granneman, B., and Gorodetzky, D.: The Landsat image mosaic of Antarctica, Remote Sens. Environ., 112, 4214–4226, https://doi.org/10.1016/j.rse.2008.07.006, 2008.
Bockheim, J. G., Campbell, I. B., and McLeod, M.: Permafrost distribution and active-layer depths in the McMurdo Dry Valleys, Antarctica, Permafrost. Periglac., 18, 217–227, https://doi.org/10.1002/ppp.588, 2007.
Brook, E. J., Kurz, M. D., Ackert Jr., R. P., Denton, G. H., Brown, E. T., Raisbeck, G. M., and Yiou, F.: Chronology of Taylor Glacier advances in Arena Valley, Antarctica, using in situ cosmogenic 3He and 10Be., Quaternary Res., 39, 11–23, 1993.
Cary, S. C., McDonald, I. R., Barrett, J. E., and Cowan, D. A.: On the rocks: the microbiology of Antarctic Dry Valley soils, Nat. Rev. Microbiol., 8, 129–138, https://doi.org/10.1038/nrmicro2281, 2010.
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We present detailed surface elevation measurements for the McMurdo Dry Valleys, Antarctica, and surroundings, derived from aerial lidar surveys flown in the austral summer of 2014–2015 as part of an effort to understand landscape changes over the past decade. Lidar return density varied from 2 to > 10 returns per square meter with an average of about 5 returns per square meter. vertical and horizontal accuracies are estimated to be 7 cm and 3 cm, respectively.
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