Analyses of Ice Core Data from Various Sites in Svalbard Glaciers from 1987 to 1999

For the purpose of clarification of the climate and environmental changes for the past 100 years in the Arctic, the Japanese Arctic Glaciological Expedition (JAGE) conducted a large number of ice corings on a number of glaciers from 1987 to 1999 (Watanabe and Fujii, 1988, 1990; Watanabe et al, 1993, 2000; Watanabe, 1996; Kamiyama et al, 2001; Motoyama et ai, 2001).
Ice core data from seven ice coring sites in Svalbard are compiled and reported here. There were ice core data of 85.6 m at Hoghetta Ice Dome in 1987, 83.9 m and 24.4 m at Snofjellafonna in 1992, 185 m and 41 m at Asgardfonna in 1993, 10 m at Br0ggerbreen in 1994, 211 m at Vestfonna in 1995, 118 m at Austfonna in 1998, 289 m at Austfonna in 1999. The drilling sites are shown in Fig. 1. The characteristics of drilling sites are summarized in Table 1. The tabulated items are the latitude, longitude, altitude, ice core drilling depth, glacier temperature at 10 m depth, and average ice density from surface to 10 m depth and from 10 m to 20 m depth, respectively.