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Earth System Science Data The Data Publishing Journal
doi:10.5194/essd-2016-63
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
05 Jan 2017
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This discussion paper is under review for the journal Earth System Science Data (ESSD).
High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica and surrounding regions
Andrew G. Fountain1, Juan C. Fernandez-Diaz2, Joseph Levy3, Michael Gooseff4, David J. Van Horn5, Paul Morin6, and Ramesh Shrestha2 1Department of Geology Portland State University, Portland, OR 97201, USA
2National Center for Airborne Laser Mapping, University of Houston, Houston, TX 77204, USA
3University of Texas, Institute for Geophysics, Jackson School of Geosciences, Austin, TX 78758, USA
4Institute of Arctic & Alpine Research, University of Colorado, Boulder, CO, 80309
5Department of Biology, University of New Mexico, Albuquerque, NM 87131
6Polar Geospatial Center, University of Minnesota, St. Paul, MN 55108, USA
Abstract. We present detailed surface elevation measurements for the McMurdo Dry Valleys, Antarctica derived from aerial lidar surveys flown in the austral summer of 2014–2015 as part of an effort to understand geomorphic changes over the past decade. Lidar return density varied from 2 to > 10 returns m−2 with an average of about 5 returns m−2. vertical and horizontal accuracies are estimated to be 7 cm and 3 cm, respectively. In addition to our intended targets, other ad hoc regions were also surveyed including the Pegasus flight facility and two regions on Ross Island, McMurdo Station, Scott Base (and surroundings), and the coastal margin between Cape Royds and Cape Evans. These data are included in this report and data release. The combined data is freely available at doi:10.5069/G9D50JX3.

Citation: Fountain, A. G., Fernandez-Diaz, J. C., Levy, J., Gooseff, M., Van Horn, D. J., Morin, P., and Shrestha, R.: High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica and surrounding regions, Earth Syst. Sci. Data Discuss., doi:10.5194/essd-2016-63, in review, 2017.
Andrew G. Fountain et al.
Andrew G. Fountain et al.

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2014–2015 lidar survey of the McMurdo Dry Valleys, Antarctica
A. G. Fountain, J. C. Fernandez-Diaz, M. Obryk, J. Levy, M. Gooseff, D. J. Van Horn, P. Morin, and R. Shrestha
doi:10.5069/G9D50JX3
Andrew G. Fountain et al.

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Short summary
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.
We present detailed surface elevation measurements for the McMurdo Dry Valleys, Antarctica and...
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