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|a Glacier Mass Balance and Regime |h [electronic resource] |b Data of Measurements and Analysis |y English. |
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|a Occasional Paper No. 55. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a This is the most complete data set of parameters of glacier regime have ever been compiled and published before. Data presented in appendixes include annual mass balances and related variables of mountain and subpolar glaciers outside the two major ice sheets. All available sources of information, such as publications, archived data, personal communications have been collected and include timeseries of about 280 glaciers. Only observational data have been used over the period since the beginning of measurements started in 1945/46 and until 1998. Data have been digitized, quality checked, all errors found were eliminated. These all enhanced our knowledge on the modern glacier states, particularly:
1. The rate of annual melt-water production (ablation) by glaciers has been increasing, and comprised of about 1.7 m/yr in water equivalent for the period.
2. The annual accumulation (winter balance) rate has also been increasing with the average value of about 1.5 m/yr in water equivalent.
3. Annual volume change has been 90 km3/yr adding about 15-20% (0.25±0.11 mm/yr) to sea-level rise over the period.
4. The equilibrium-line altitude has risen by 200 m (square root error is about 100 m).
5. Accumulation area ratio decreased from about 60 % in 1968 to 50% in 1998 (square root error is about 5%).
6. The mass balance sensitivity with respect to air temperature has changed at the end of 1980’s and reached – 700 mm per degree °C. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|t Glacier Mass Balance and Regime |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15061987/00001 |y Click here for full text |
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|3 Host material |u https://instaar.colorado.edu/other/download/OP55_glaciers.pdf |y Glacier Mass Balance and Regime |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/19/87/00001/FI15061987thm.jpg |
