Research output per year
Research output per year
Research output
- 16 results
Search results
-
2021
Batch processing of tree-ring samples for radiocarbon analysis
Fogtmann-Schulz, A., Kudsk, S. G. K., Adolphi, F., Karoff, C., Knudsen, M. F., Loader, N. J., Muscheler, R., Trant, P. L. K., Ostbo, S. M. & Olsen, J., Feb 2021, In: Radiocarbon. 63, 1, p. 77-89 13 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
9 Citations (Scopus) -
Changes in solar activity during the wolf minimum-new insights from a high-resolution 14c record based on danish oak
Fogtmann-Schulz, A., Baittinger, C., Karoff, C., Olsen, J. & Knudsen, M. F., Feb 2021, In: Radiocarbon. 63, 1, p. 91-104 14 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
6 Citations (Scopus) -
2020
New Single-Year Radiocarbon Measurements Based on Danish Oak Covering the Periods AD 692-790 and 966-1057
Gjødvad Kaiser Kudsk, S., Philippsen, B., Baittinger, C., Fogtmann-Schulz, A., Knudsen, M. F., Karoff, C. & Olsen, J., 1 Aug 2020, In: Radiocarbon. 62, 4, p. 969-987 19 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
10 Citations (Scopus) -
Studies of Cosmic-Ray Events and Grand Solar Minima using Radiocarbon in Tree Rings
Fogtmann-Schulz, A., 2020, Århus Universitet.Research output: Book/anthology/dissertation/report › Ph.D. thesis
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The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (0–55 cal kBP)
Reimer, P. J., Austin, W. E. N., Bard, E., Bayliss, A., Blackwell, P. G., Bronk Ramsey, C., Butzin, M., Cheng, H., Edwards, R. L., Friedrich, M., Grootes, P. M., Guilderson, T. P., Hajdas, I., Heaton, T. J., Hogg, A. G., Hughen, K. A., Kromer, B., Manning, S. W., Muscheler, R. & Palmer, J. G. & 22 others, , 1 Aug 2020, In: Radiocarbon. 62, 4, p. 725-757 33 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open AccessFile5057 Citations (Scopus)103 Downloads (Pure) -
2019
Variations in Solar Activity Across the Spörer Minimum Based on Radiocarbon in Danish Oak
Fogtmann-Schulz, A., Kudsk, S. G. K., Trant, P. L. K., Baittinger, C., Karoff, C., Olsen, J. & Knudsen, M. F., 2019, In: Geophysical Research Letters. 46, 15, p. 8617-8623 7 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open AccessFile16 Citations (Scopus)96 Downloads (Pure) -
Variations in Solar Activity Across the Sporer Minimum Based on Radiocarbon in Danish Oak (dataset)
Fogtmann-Schulz, A. (Producer), Gjødvad Kaiser Kudsk, S. (Producer), Trant, P. L. K. (Producer), Baittinger, C. (Producer), Karoff, C. (Producer), Olsen, J. (Producer) & Knudsen, M. F. (Producer), Jul 2019Research output: Non-textual form › Dataset › Research
Open Access -
2018
A better understanding of solar magnetic activity through annual radiocarbon measurements in tree rings
Fogtmann-Schulz, A., Gjødvad Kaiser Kudsk, S., Baittinger, C., Knudsen, M. F., Karoff, C., Olsen, J. & Dahl, M. B., 20 Jun 2018.Research output: Contribution to conference › Poster › Research
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New annual radiocarbon measurements based on oak from the Danish dendrochronology
Gjødvad Kaiser Kudsk, S., Fogtmann-Schulz, A., Philippsen, B., Baittinger, C., Knudsen, M. F., Karoff, C. & Olsen, J., Jun 2018.Research output: Contribution to conference › Conference abstract for conference › Research
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What Is the Carbon Origin of Early-Wood?
Kudsk, S. G. K., Olsen, J., Nielsen, L. N., Fogtmann-Schulz, A., Knudsen, M. F. & Karoff, C., 2018, In: Radiocarbon. 60, 5, p. 1457-1464 8 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
16 Citations (Scopus) -
2017
Annual radiocarbon on late-wood from Oak trees - Implications for the calibration curve
Gjødvad Kaiser Kudsk, S., Fogtmann-Schulz, A., Trant, P. L. K., Knudsen, M. F., Karoff, C. & Olsen, J., Jul 2017.Research output: Contribution to conference › Poster › Research
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Cosmic ray event in 994 C.E. recorded in radiocarbon from Danish oak
Fogtmann-Schulz, A., Østbø, S. M., Nielsen, S. G. B., Olsen, J., Karoff, C. & Knudsen, M. F., 28 Aug 2017, In: Geophysical Research Letters. 44, 16, p. 8621–8628 8 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
30 Citations (Scopus) -
2016
Observational evidence for enhanced magnetic activity of superflare stars
Karoff, C., Knudsen, M. F., De Cat, P., Bonanno, A., Fogtmann-Schulz, A., Fu, J., Frasca, A., Inceoglu, F., Olsen, J., Zhang, Y., Hou, Y., Wang, Y. & Shi, J., 24 Mar 2016, In: Nature Communications. 7, 11058.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
85 Citations (Scopus) -
2015
The lost sunspot cycle: New support from 10Be measurements
Karoff, C., Inceoglu, F., Knudsen, M. F., Olsen, J. & Fogtmann-Schulz, A., 2015, In: Astronomy & Astrophysics (A&A). 575, 7 p., A77.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
15 Citations (Scopus) -
2014
Accurate parameters of the oldest known rocky-exoplanet hosting system: Kepler-10 revisited
Fogtmann-Schulz, A., Hinrup, B., Van Eylen, V., Christensen-Dalsgaard, J., Kjeldsen, H., Silva Aguirre, V. & Tingley, B., 1 Feb 2014, In: Astrophysical Journal. 781, 2, p. 67Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
31 Citations (Scopus) -
Tracking the 11-year solar cycle with radiocarbon
Fogtmann-Schulz, A., Olsen, J., Knudsen, M. F., Karoff, C. & Inceoglu, F., 2014. 1 p.Research output: Contribution to conference › Poster › Research