An update on in situ cosmogenic 14C analysis at ETH Zurich

被引：29

作者：

Hippe, K. ^{[1
]}

Kober, F. ^{[2
]}

Wacker, L. ^{[3
]}

Fahrni, S. M. ^{[3
,4
]}

Ivy-Ochs, S. ^{[3
]}

Akcar, N. ^{[5
]}

Schluechter, C. ^{[5
]}

Wieler, R. ^{[1
]}

机构：

[1] ETH, Inst Geochem & Petrol, CH-8092 Zurich, Switzerland

[2] ETH, Inst Geol, CH-8092 Zurich, Switzerland

[3] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland

[4] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland

[5] Univ Bern, Inst Geol Sci, CH-3012 Bern, Switzerland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2013年 / 294卷

关键词：

In situ C-14; Cosmogenic nuclide; Data reduction; GLACIER; EROSION; MICADAS; COMPLEX; BE-10; RATES; RATIO;

D O I：

10.1016/j.nimb.2012.06.020

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present the improved performance of the modified in situ cosmogenic C-14 extraction system at ETH Zurich. Samples are now processed faster (2 days in total) and are measured with a high analytical precision of usually <2% using the gas ion source of the MICADAS AMS facility. Measurements of the PP-4 standard sample show a good reproducibility and consistency with published values. Procedural blanks are very low at currently similar to 4.0 x 10(4) C-14 atoms. Analyses of samples from a similar to 300 y old rock avalanche prove that we can successfully apply in situ C-14 exposure dating to very young surfaces. Additionally, we present a modified calculation scheme for in situ C-14 concentrations which differs from that used for conventional radiocarbon dating. This new approach explicitly accounts for the characteristics of in situ C-14 production. (C) 2012 Elsevier B.V. All rights reserved.

引用

下载

页码：81 / 86

页数：6

共 50 条

[41] Measurements of in situ produced 14C in terrestrial rocks
Yokoyama, Y
Caffee, MW
Southon, JR
Nishiizumi, K
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2004, 223 : 253 - 258
[42] Constraining processes of landscape change with combined in situ cosmogenic 14C-10Be analysis
Hippe, Kristina
QUATERNARY SCIENCE REVIEWS, 2017, 173 : 1 - 19
[43] Cosmogenic 44Ti in meteorites - a divergence with 14C and 10Be data
Ogurtsov, M. G.
ADVANCES IN SPACE RESEARCH, 2021, 68 (03) : 1519 - 1524
[44] Record of cosmogenic in situ produced 14C in Vostok and Taylor Dome ice samples:: Implications for strong role of wind ventilation processes
Lal, D
Jull, AJT
Donahue, DJ
Burr, GS
Deck, B
Jouzel, J
Steig, E
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2001, 106 (D23) : 31933 - 31941
[45] [14C]Dimethyltitanocene and [14C]Methyl(methyltrimethylsilyl) titanocene - Reagents for the [14C]olefination of carbonyl compounds: synthesis of [14C]Aprepitant
Wallace, M. A.
Dean, D. C.
Melillo, D. G.
JOURNAL OF LABELLED COMPOUNDS & RADIOPHARMACEUTICALS, 2009, 52 (11-12): : 514 - 517
[46] Radiocarbon analysis of the EPICA Dome C ice core:: no in situ 14C from the firn observed
de Jong, AFM
Alderliesten, C
van der Borg, K
van der Veen, C
van De Wal, RSW
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2004, 223 : 516 - 520
[47] Extractions of in-situ produced 14C in terrestrial quartz and measurements of 14C production rate using saturated quartz
Yokoyama, Y
Caffee, MW
Finkel, RC
Ryerson, FJ
Southon, JR
Nishizumi, K
GEOCHIMICA ET COSMOCHIMICA ACTA, 2002, 66 (15A) : A865 - A865
[48] Orally administered [14C]DPA and [14C]DHA are metabolised differently to [14C]EPA in rats
Kaur, Gunveen
Molero, Juan C.
Weisinger, Harrison S.
Sinclair, Andrew J.
BRITISH JOURNAL OF NUTRITION, 2013, 109 (03) : 441 - 448
[49] δ13C and 14C analysis of ceramics
Possnert, G
PROCEEDINGS OF THE VII NORDIC CONFERENCE ON THE APPLICATION OF SCIENTIFIC METHODS IN ARCHAEOLOGY, 1997, 11 : 39 - 40
[50] Optical-model analysis of 14C + 14C elastic scattering using deep potential
Shashi Verma
Raghuvir Singh
The European Physical Journal A - Hadrons and Nuclei, 2005, 23 : 265 - 269

← 1 2 3 4 5 →