USAP-DC

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Siple Dome Glaciology and Ice Stream History 1994, 1996 Data DOI: https://doi.org/10.7265/N5Z31WJQ Cite as Jacobel, R. (1999) "Siple Dome Glaciology and Ice Stream History 1994, 1996" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5Z31WJQ. AMD - DIF Record(s) NSIDC-0085_1 Abstract The Siple Dome Glaciology and Ice Stream History project was part of Western Divide West Antarctic Ice Cores (WAISCORES), an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and analyzed ice cores from the Siple Dome, in the Siple Coast region, West Antarctica. This project supported glaciological studies of Siple Dome and its surroundings between Ice Streams C and D, via two major goals. First, it sought to characterize the dynamic environment and ice stratigraphy of Siple Dome and its surroundings, with the specific mission of assessing Siple Dome as a potential deep core site; and second, to determine whether the configuration of ice stream flow in the region has changed over time. Both goals are relevant to understanding the dynamics of the West Antarctic Ice Sheet (WAIS), its history, and potential future behavior. This project was a collaboration between Saint Olaf College, the University of Washington, and the National Snow and Ice Data Center at the University of Colorado. It included studies of satellite imagery and acquisition and analysis of field data from GPS, firn cores and snow pits, and ground-based ice-penetrating radar. Data in this collection were obtained during two Antarctic field seasons in 1994–95 and 1996–97. The data set is available via FTP as Microsoft Excel Spreadsheet (.xls) and ASCII tab delimited (.txt) files. Related notes are available as a Microsoft Word (.doc) or text (.txt) file. Related images and charts are available as Graphics Interchange Format (.gif) and Joint Photographic Experts Group (.jpg) files. Creator(s): Jacobel, Robert Date Created: 1999-01-01 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -155, East: -145, South: -83, North: -81 Temporal Extent(s) Start: 1994-11-01 - End: 1995-02-28 Start: 1996-11-01 - End: 1997-02-28 Award(s) NSF 9316338 Version: 1 Related Project(s) Siple Dome Glaciology and Ice Stream History References Nereson, N.A., C.F. Raymond, R.W. Jacobel, and E.D. Waddington. 2000. The accumulation pattern across Siple Dome, West Antarctica, inferred from radar-detected internal layers. Journal of Glaciology. 46(152), 75-87. (doi:10.3189/172756500781833449) Gades, A. M., C. F. Raymond, H. Conway, and R. W. Jacobel. 2000. Bed properties of Siple Dome and adjacent ice streams, West Antarctica, inferred from radio echo-sounding measurements. Journal of Glaciology 46, 88-94., Jacobel, R., T. Scambos, C. Raymond, and A. Gades. 1996. Changes in the configuration of Ice Stream flow from the West Antarctic Ice Sheet. Journal of Geophysical Research 101, 5499-5504. (doi:10.3189/172756500781833467) Anandakrishnan, S., R.B. Alley, R.W. Jacobel and H. Conway, 2001. The flow regime of ice stream C and hypotheses concerning its recent stagnation, in The West Antarctic Ice Sheet: Behavior and Environment, R.B. Alley and R.A. Bindschadler, Ed.'s, AGU Antarctic Research Series 77, 283-294. Jacobel, R. W., T. A. Scambos, N. A. Nereson and C. F. Raymond, 2000. Changes in the margin of Ice Stream C, Antarctica, Journal of Glaciology. 46(152), 102-110. (doi:10.3189/172756500781833485) Jacobel, R. W., T. A. Scambos, C. F. Raymond and A. M. Gades. 1996. Changes in the Configuration of Ice Stream Flow From the West Antarctic Ice Sheet. Journal of Geophysical Research, vol. 101: B3. 5499. (doi:10.1029/95JB03735) Nereson, N., Raymond, C., Waddington, E., & Jacobel, R. (1998). Migration of the Siple Dome ice divide, West Antarctica. Journal of Glaciology, 44(148), 643-652. (doi:10.3189/S0022143000002148) Jacobel, R. W., A. M. Gades, D. L. Gottschling, S. M. Hodge and D. L. Wright. 1993. Interpretation of radar-detected internal layer folding in West Antarctic ice streams. Journal of Glaciology, 39(133), 528–537. (doi:10.3189/S0022143000016427) Keywords Antarctica Geology/Geophysics - Other Glaciers/ice Sheet Glaciology Sample/collection Description Siple Dome Siple Dome Ice Core