USAP-DC

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US International Trans-Antarctic Scientific Expedition (US ITASE): GPR Profiles and Accumulation Mapping Data DOI: https://doi.org/10.7265/N5GH9FV6 Cite as Spikes, V. B., Arcone, S., Hamilton, G. S., Kaspari, S., & Mayewski, P. A. (2005) "US International Trans-Antarctic Scientific Expedition (US ITASE): GPR Profiles and Accumulation Mapping" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5GH9FV6. AMD - DIF Record(s) NSIDC-0269_1 Abstract Snow accumulation rates typically show high variability over short distances. This data set contains accumulation rates derived from ground-penetrating radar (GPR) used to detect isochronal layers in the firn in West Antarctica. These layers were then dated using results from ice core analyses. These data show that accumulation rates along this profile have decreased in recent decades. The radar profile extends between two ice core sites taken along one of the US-ITASE traverse routes. Creator(s): Spikes, Vandy Blue; Hamilton, Gordon S.; Mayewski, Paul A.; Arcone, Steven; Kaspari, Susan Date Created: 2005-04-06 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -123.993, East: -120.082, South: -78.0832, North: -77.6832 Temporal Extent(s) Start: 2000-12-01 - End: 2000-12-31 Award(s) NSF 0088035 NSF 0096299 NSF 0196441 NSF 0229573 Version: 1 Related Project(s) High Resolution Radar Profiling of the Snow and Ice Stratigraphy beneath the ITASE Traverses, West Antarctic Ice Sheet References Liu, H., K. Jezek, B. Li. 1999. Development of Antarctic digital elevation model by integrating cartographic and remotely sensed data: A geographic information system based approach. Journal of Geophysical Research 104: 23,199-23,213. (doi:10.1029/1999JB900224) Spikes, V., Hamilton, G., Arcone, S., Kaspari, S., & Mayewski, P. (2004). Variability in accumulation rates from GPR profiling on the West Antarctic plateau. Annals of Glaciology, 39, 238-244. (doi:10.3189/172756404781814393) Keywords Antarctica Glaciers/ice Sheet Glaciology GPR ITASE WAIS