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GISP2 Ions: Deep (D) Core (Detailed)
GISP2 major ion concentrations in parts per billion (ppb) by mass. Blanks in chemical species represent samples below detection limits. Firn samples were cleaned in the freezer... -
GISP2 Oxygen Isotope Data (1 year averages)
The timescale includes revisions by D. A. Meese as of Sept 1994. Depths below 167 meters are those of the D core; above 167 meters the depths are those of the B core + 1.09... -
GISP2 Bidecadal Oxygen Isotope Data
The timescale includes revisions by D. A. Meese as of September 1994. The GISP2 depths below 167 meters are those of the D core; above 167 meters the core depths are those of... -
GISP2-D Temperature
Depth is true vertical depth. Sample spacing for the primary temp logs is 20 cm, accuracy is 4.5mK. The "uncorrected" data were obtained on 14June1995. Quality is insuff for... -
Oxygen isotope data from snowpit at GISP2 Site 73
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 57
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 51
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 37
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 31
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 15
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Oxygen isotope data from snowpit at GISP2 Site 13
Data from shallow cores recov. over a 150x150 km grid in central Greenland. Dating of samples based on seasonal variation in oxygen isotope stratigraphy, along with measurements... -
Vostok ice core deuterium data for 420,000 years
Deuterium data is from core 3G between 138 and 2083 meters below surface (mbs) (with one long missing section between 312 and 320 mbs), from core 4G between 8 and 138 mbs and... -
Age of the Vostok ice core
This dataset has no description
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Sodium cocentration versus time in the Vostok ice core
This dataset has no description
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Dust concentration in the Vostok ice core
This dataset has no description
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Methane and carbon dioxide measured on the Vostok ice core
CO2 and CH4 measurements have been performed using the methods and analytical procedures previously described (Barnola et al., 1987, Chappellaz et al, 1990). However, the CO2... -
Oxygen isotope ratios of trapped air in the Vostok ice core
This dataset has no description
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GRIP Oxygen-18 of Atmospheric Oxygen
This dataset has no description
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GRIP Ammonium Concentrations
Continuous melting technique, combined with continuous flow analysis (Sigg et al., 1994). A subcore with a cross section area of 18x18mm2 cut is used. -
Stable Isotope Data from Basal Ice, GRIP Core
Data are continuous averages for the average (midpoint) depths given.
