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Firn depth and bubble density for Siple Ice Core and other sites Data DOI: https://doi.org/10.15784/601746 Cite as Spencer, M. (2023) "Firn depth and bubble density for Siple Ice Core and other sites" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601746. Abstract This data set consists of bubble-number densities in glacier ice, in units of bubbles per cubic centimeter, based on firn densification and grain-growth modeling under steady-state climate conditions. Creator(s): Spencer, Matthew Date Created: 2023-10-18 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -149, East: -149, South: -81, North: -81 Temporal Extent(s) Start: 2007-10-01 - End: 2008-07-31 Award(s) NSF 0917509 Version: 1 Related Project(s) Collaborative Research: Combined Physical Property Measurements at Siple Dome References Spencer, M.K., Alley, R.B., Fitzpatrick, J.J., (2006): Developing a bubble number-density paleoclimatic indicator for glacier ice. Journal of Glaciology, vol.52, no. 178, pp. 358-364 (doi:10.3189/172756506781828638 ) Fegyveresi, J.M., R.B. Alley, M.K. Spencer, J.J. Fitzpatrick, E.J. Steig, J.W.C. White, J.R. McConnell, and K.C. Taylor, (2011), Late-Holocene Climate evolution at the WAIS Divide site, West Antarctica: bubble number-density estimates. Journal of Glaciology. Vol 57 , Issue 204, pp. 629 - 638 (doi:10.3189/002214311797409677 ) Keywords Antarctica Density Firn Glaciers/ice Sheet Ice Core Ice Core Data Siple Dome Snow/ice