Dating by physical and chemical seasonal variations and reference horizons / Claus U. Hammer.

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035 ## ‡aSPRI-96871
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100 1# ‡aHammer, Claus U.
245 10 ‡aDating by physical and chemical seasonal variations and reference horizons /‡cClaus U. Hammer.
260 ## ‡aChichester :‡bJohn Wiley & Sons,‡c1989.
300 ## ‡ap. 99-121 :‡bdiags., table.
490 0# ‡aPhysical, Chemical and Earth Sciences Research Reports ;‡v8
490 0# ‡aDahlem workshop reports
500 ## ‡aIn: The environmental record in glaciers and ice sheets : report of the Dahlem Workshop on The Environmental Record in Glaciers and Ice Sheets, Berlin 1988, March 13-18 / Hans Oeschger, Chester C. Langway, Jr, eds.
520 3# ‡aUsing stratigraphical methods, ice-core dating is now highly accurate, especially those methods based on isotopic composition of ice and seasonal variation of atmospheric trace substances. Various methods are described. Dating of pre-Holocene ice is still problematic. Use of reference horizons is discussed. Major problem of dating is related to rapid climatic changes observed in Greenland ice cores during past glacial period.
650 07 ‡a551.324.84 -- Land ice, impurities.‡2udc
650 07 ‡a550.93 -- Geochronology.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc
650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc
650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local
773 0# ‡7nnam ‡aHans Oeschger, Chester C. Langway, Jr, eds. ‡tEnvironmental record in glaciers and ice sheets : report of the Dahlem Workshop on The Environmental Record in Glaciers and Ice Sheets, Berlin 1988, March 13-18. ‡dChichester : John Wiley & Sons, 1989. ‡wSPRI-96864
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20230331