Continuous measurements of hydrogen peroxide, formaldehyde, calcium and ammonium concentrations along the new GRIP ice core from Summit, Central Greenland

Fuhrer, Katrin; Neftel, Albrecht; Anklin, Martin; Maggi, Valter (1993). Continuous measurements of hydrogen peroxide, formaldehyde, calcium and ammonium concentrations along the new GRIP ice core from Summit, Central Greenland. Atmospheric environment. Part A, General topics, 27(12), pp. 1873-1880. Elsevier 10.1016/0960-1686(93)90292-7

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A new deep core drilling operation started in 1990 central Greenland and in 1992 reached the bottom at a depth of 3028 m.b. surface. Taking advantage of recent developments in the analytical technique of chemical trace species, continuous high resolution measurements of H2O2, HCHO, NH4+ and Ca2+ concentrations were performed directly on the ice core in the field. During the 1991 season all four components were measured simultaneously between 1300 m.b. surface and 2300 m.b. surface, corresponding to the time interval between 8000 and 38,000 years B.P. In this paper an overview of the results and our first interpretations in terms of climatic changes are given.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Physics Institute > Climate and Environmental Physics

Subjects:

500 Science > 530 Physics

ISSN:

0960-1686

Publisher:

Elsevier

Language:

English

Submitter:

BORIS Import 2

Date Deposited:

15 Sep 2021 10:44

Last Modified:

15 Sep 2021 10:49

Publisher DOI:

10.1016/0960-1686(93)90292-7

URI:

https://boris.unibe.ch/id/eprint/158870

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