Matches in SemOpenAlex for { <https://semopenalex.org/work/W1992093685> ?p ?o ?g. }
- W1992093685 endingPage "284" @default.
- W1992093685 startingPage "227" @default.
- W1992093685 abstract "Until 1985 most studies of CO2 in gas inclusions in pre-industrial ice indicated that CO2 concentrations (up to 2450 ppm) were higher than the current atmospheric level. After 1985, lower pre-industrial CO2 values were reported, and used as evidence for a recent man-made CO2 increase. The errors in these revised values, however, are of a similar magnitude to the apparent increase in atmospheric CO2 level. The assumptions used in estimating lower CO2 values in past atmospheres have been: no liquid phase in polar ice; younger age of air than of ice due to free gas exchange between deep firn and the atmosphere; and no change in composition of air inclusions. These assumptions are shown to be invalid. Liquid saline water exists in ice at low temperatures, even below −70°C; airtight ice layers are ubiquitous in Antarctic firn; and more than 20 physico-chemical processes operating in situ and in ice cores contribute to the alteration of the chemical composition of air inclusions. The permeable ice sheet with its capillary liquid network acts as a sieve which redistributes elements, isotopes, and micro-particles. Thirty-six to 100% of air recovered from old ice is contaminated by recent atmospheric air during field and laboratory operations. The value of ∼290 ppm, widely accepted from glacier studies for the pre-industrial atmospheric CO2 level, apparently results from: invalid assumptions; processes in ice sheets; artifacts in ice cores; and arbitrary rejection of high readings. To date, glaciological studies are not able to provide a reliable reconstruction of either the CO2 level in pre-industrial and ancient atmospheres or paleoclimates. Instead these studies have led to a widely accepted false dogma of man-made climatic warming. This dogma may have enormous negative impact on our common future." @default.
- W1992093685 created "2016-06-24" @default.
- W1992093685 creator A5023349623 @default.
- W1992093685 creator A5064973929 @default.
- W1992093685 creator A5082679770 @default.
- W1992093685 date "1992-04-01" @default.
- W1992093685 modified "2023-10-14" @default.
- W1992093685 title "Do glaciers tell a true atmospheric CO2 story?" @default.
- W1992093685 cites W132764443 @default.
- W1992093685 cites W143465670 @default.
- W1992093685 cites W1546233314 @default.
- W1992093685 cites W1631278632 @default.
- W1992093685 cites W1635428337 @default.
- W1992093685 cites W164180798 @default.
- W1992093685 cites W1669920440 @default.
- W1992093685 cites W1675251425 @default.
- W1992093685 cites W1675898785 @default.
- W1992093685 cites W181175356 @default.
- W1992093685 cites W1964534790 @default.
- W1992093685 cites W1965231855 @default.
- W1992093685 cites W1965323884 @default.
- W1992093685 cites W1965774011 @default.
- W1992093685 cites W1966118958 @default.
- W1992093685 cites W1966265779 @default.
- W1992093685 cites W1967526154 @default.
- W1992093685 cites W1970535152 @default.
- W1992093685 cites W1972872839 @default.
- W1992093685 cites W1973681973 @default.
- W1992093685 cites W1975968398 @default.
- W1992093685 cites W1978483496 @default.
- W1992093685 cites W1978928790 @default.
- W1992093685 cites W1979383490 @default.
- W1992093685 cites W1980182233 @default.
- W1992093685 cites W1982644532 @default.
- W1992093685 cites W1984189414 @default.
- W1992093685 cites W1985049759 @default.
- W1992093685 cites W1987399250 @default.
- W1992093685 cites W1988746272 @default.
- W1992093685 cites W1989457810 @default.
- W1992093685 cites W1992080130 @default.
- W1992093685 cites W1992695194 @default.
- W1992093685 cites W1992710207 @default.
- W1992093685 cites W1993013648 @default.
- W1992093685 cites W1995538662 @default.
- W1992093685 cites W1996064709 @default.
- W1992093685 cites W2002345996 @default.
- W1992093685 cites W2004838292 @default.
- W1992093685 cites W2006447055 @default.
- W1992093685 cites W2008265054 @default.
- W1992093685 cites W2012134665 @default.
- W1992093685 cites W2013341633 @default.
- W1992093685 cites W2016341099 @default.
- W1992093685 cites W2018275891 @default.
- W1992093685 cites W2022118037 @default.
- W1992093685 cites W2024795556 @default.
- W1992093685 cites W2026368463 @default.
- W1992093685 cites W2031877690 @default.
- W1992093685 cites W2034808289 @default.
- W1992093685 cites W2036772574 @default.
- W1992093685 cites W2041427028 @default.
- W1992093685 cites W2044657038 @default.
- W1992093685 cites W2047159918 @default.
- W1992093685 cites W2047957152 @default.
- W1992093685 cites W2053678543 @default.
- W1992093685 cites W2054179059 @default.
- W1992093685 cites W2056597093 @default.
- W1992093685 cites W2057548434 @default.
- W1992093685 cites W2059196076 @default.
- W1992093685 cites W2061365200 @default.
- W1992093685 cites W2065036178 @default.
- W1992093685 cites W2065828270 @default.
- W1992093685 cites W2067208738 @default.
- W1992093685 cites W2071829994 @default.
- W1992093685 cites W2072419365 @default.
- W1992093685 cites W2073289697 @default.
- W1992093685 cites W2074430415 @default.
- W1992093685 cites W2076922631 @default.
- W1992093685 cites W2083333642 @default.
- W1992093685 cites W2084795191 @default.
- W1992093685 cites W2086587155 @default.
- W1992093685 cites W2090194617 @default.
- W1992093685 cites W2091148946 @default.
- W1992093685 cites W2099687330 @default.
- W1992093685 cites W2114246775 @default.
- W1992093685 cites W2115512970 @default.
- W1992093685 cites W2162066053 @default.
- W1992093685 cites W2330716009 @default.
- W1992093685 cites W2484775622 @default.
- W1992093685 cites W2587268589 @default.
- W1992093685 cites W3021979978 @default.
- W1992093685 cites W40557404 @default.
- W1992093685 cites W41017675 @default.
- W1992093685 cites W4210865383 @default.
- W1992093685 cites W4233279065 @default.
- W1992093685 cites W4238419382 @default.
- W1992093685 cites W4240845625 @default.
- W1992093685 cites W4240942418 @default.
- W1992093685 cites W4243566455 @default.