Publications

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Larsen, N. K., Find, J., Kristensen, A., Bjork, A. A., Kjeldsen, K. K., Odgaard, B. V., Olsen, J. & Kjaer, K. H. (2016). Holocene ice marginal fluctuations of the Qassimiut lobe in South Greenland. Scientific Reports, 6, Artikel 22362. https://doi.org/10.1038/srep22362

Larsen, N. K., Levy, L. B., Strunk, A., Søndergaard, A. S., Olsen, J. & Lauridsen, T. L. (2019). Local ice caps in Finderup Land, North Greenland, survived the Holocene Thermal Maximum. Boreas, 48(3), 551-562. https://doi.org/10.1111/bor.12384

Larsen, N. K., Søndergaard, A. S., Levy, L. B., Olsen, J., Strunk, A., Bjørk, AA. & Skov, D. (2020). Contrasting modes of deglaciation between fjords and inter-fjord areas in eastern North Greenland. Boreas, 49(4), 903-917. https://doi.org/10.1111/bor.12475

Larsen, N. K., Søndergaard, A. S., Levy, L. B., Laursen, C. H., Bjørk, A. A., Kjeldsen, K. K., Funder, S., Strunk, A., Olsen, J. & Kjær, K. H. (2021). Cosmogenic nuclide inheritance in Little Ice Age moraines - A case study from Greenland. Quaternary Geochronology, 65, Artikel 101200. https://doi.org/10.1016/j.quageo.2021.101200

Larsen, N. K., Søndergaard, A. S., Levy, L. B., Strunk, A., Skov, D. S., Bjørk, A., Khan, S. A. & Olsen, J. (2022). Late glacial and Holocene glaciation history of North and Northeast Greenland. Arctic, Antarctic, and Alpine Research, 54(1), 294-313. https://doi.org/10.1080/15230430.2022.2094607

Larsen, J. K., Nielsen, N. H. & Olsen, J. (2024). Fuel use in medieval iron production in central Jutland, Denmark. Archaeological and Anthropological Sciences, 16(11), Artikel 177. https://doi.org/10.1007/s12520-024-02087-1

Larsen, N. K., Siggaard-Andersen, M. L., Buylaert, J. P., Murray, A. S., Olsen, J., Ruter, A., Kjeldsen, K. K., Bjørk, A. A., Mikkelsen, N. & Kjær, KH. (2025). Increased aeolian activity linked to Neoglacial cooling and glacier advance in southern Greenland. Boreas, 54(3), 382-394. https://doi.org/10.1111/bor.12688

Lange, K., Frydendall, J., Cordua, K. S., Hansen, T. M., Melnikova, Y. & Mosegaard, K. (2012). A Frequency Matching Method: Solving Inverse Problems by Use of Geologically Realistic Prior Information. Mathematical Geosciences, 44(7), 783-803. https://doi.org/10.1007/s11004-012-9417-2

Kveiborg, J. & Olsen, J. (2023). Targeted radiocarbon dating of animal bones from ritual wetland depositions in early Iron Age (Denmark). Journal of Archaeological Science: Reports, 47, Artikel 103766. https://doi.org/10.1016/j.jasrep.2022.103766

Kuppens, S., Madsen, R. B. & Hansen, T. M. (2018). When is McMC feasible for AVO inversion?. Abstract fra 80th EAGE Conference and Exhibition, Copenhagen, Danmark.

Kudsk, S. G. K., Olsen, J., Nielsen, L. N., Fogtmann-Schulz, A., Knudsen, M. F. & Karoff, C. (2018). What Is the Carbon Origin of Early-Wood? Radiocarbon, 60(5), 1457-1464. https://doi.org/10.1017/RDC.2018.97

Kudsk, S. G. K., Olsen, J., Hodgins, G. W. L., Molnár, M., Lange, T. E., Nordby, J. A., Jull, A. J. T., Varga, T., Karoff, C. & Knudsen, M. F. (2021). An intercomparison project on ¹⁴C from single-year tree rings. Radiocarbon, 63(5), 1445-1452. https://doi.org/10.1017/RDC.2021.75

Krogh, P. H., Petersen, C. T., Olsen, J. & Jørgensen, P. R. (2026). Earthworm Burrows in Glacial Till Soils: Spatial Distribution and Macropore Function. Ecohydrology, 19(1), 1-10. Artikel e70168. https://doi.org/10.1002/eco.70168

Kristiansen, S. M., Yde, J. C., Barcena, T. G., Jakobsen, B. H., Olsen, J. & Knudsen, N. T. (2013). Geochemistry of groundwater in front of a warm-based glacier in Southeast Greenland. Geografiska Annaler: Series A, Physical Geography, 95(2), 97-108. https://doi.org/10.1111/geoa.12003

Knudsen, M. F., Henderson, G. M., Frank, M., Mac Niocaill, C. & Kubik, P. W. (2008). In-phase anomalies in Beryllium-10 production and palaeomagnetic field behaviour during the Iceland Basin geomagnetic excursion. Earth and Planetary Science Letters, 265, 588-599. https://doi.org/10.1016/j.epsl.2007.10.051

Knudsen, M. F., Riisager, P., Donadini, F., Snowball, I., Muscheler, R., Korhonen, K. & Pesonen, L. J. (2008). Variations in the geomagnetic dipole moment during the Holocene and the past 50 kyr. Earth and Planetary Science Letters, 272, 319-329.

Knudsen, M. F., Riisager, P., Jacobsen, B. H., Muscheler, R., Snowball, I. & Seidenkrantz, M.-S. (2009). Taking the pulse of the Sun during the Holocene by joint analysis of ¹⁴C and ¹⁰Be. Geophysical Research Letters, 36(L16701). https://doi.org/10.1029/2009GL039439

Knudsen, M. F. & Riisager, P. (2009). Is there a link between Earth's magnetic field and low-latitude precipitation? Geology, 37(1), 71-74. https://doi.org/10.1130/G25238A.1

Knudsen, M. F., Holm, P. M. & Abrahamsen, N. (2009). Paleomagnetic results from a reconnaissance study of Santiago (Cape Verde Islands): Identification of cryptochron C2r.2r-1. Physics of the Earth and Planetary Interiors, 173(3-4), 279-289. https://doi.org/10.1016/j.pepi.2009.01.009

Knudsen, M. F., Mac Niocaill, C. & Henderson, G. (2006). High-resolution data of the Iceland Basin geomagnetic excursionfrom ODP sites 1063 and 983: Existence of intense fluxpatches during the excursion? Earth and Planetary Science Letters, 251(1-2), 18-32. https://doi.org/10.1016/j.epsl.2006.08.016

Knudsen, M. F., Abrahamsen, N. & Riisager, P. (2003). Paleomagnetic evidence from Cape Verde Islands basalts for fully reversed excursions in the Brunhes Chron. Earth and Planetary Science Letters, 206(1-2), 199-214. https://doi.org/10.1016/S0012-821X(02)01061-0

Knudsen, M. F. & Abrahamsen, N. (2000). Magnetostratigraphy of Young Pliocene Volcanics at Santo Antão, Cape Verde Islands: The Escabecada and Chã de Morte Profiles. Physics and Chemistry of the Earth (Print), 25(5), 461-467.

Knudsen, M. F., Henderson, G., Mac Niocaill, C. & West, J. (2007). Seven thousand year duration for a geomagnetic excursion constrained by TH-230(xs). Geophysical Research Letters, 34(22, L22302). https://doi.org/10.1029/2007GL031090

Knudsen, M. F., Abrahamsen, N. & Riisager, P. (2005). A rock- and palaeomagnetic study of geologically recent lavas and 1995 volcanic glass on Fogo (Cape Verde Islands). Bulletin of the Geological Society of Denmark, 52(1), 39-52.

Knudsen, M. F., Seidenkrantz, M.-S., Jacobsen, B. H. & Kuijpers, A. (2011). Tracking the Atlantic Multidecadal Oscillation through the last 8,000 years. Nature Communications, 2(Article number 178). https://doi.org/10.1038/ncomms1186

Knudsen, M. F., Jacobsen, B. H., Riisager, P., Olsen, J. & Seidenkrantz, M.-S. (2012). Evidence of Suess solar-cycle bursts in Holocene speleothem d18O records. The Holocene, 22(5), 597-602. https://doi.org/10.1177/0959683611427331

Knudsen, M. F., Jacobsen, B. H., Seidenkrantz, M.-S. & Olsen, J. (2014). Evidence for external forcing of the Atlantic Multidecadal Oscillation since termination of the Little Ice Age. Nature Communications, 5, Artikel 3323. https://doi.org/10.1038/ncomms4323

Knudsen, M. F., Egholm, D. L., Jacobsen, B. H., Larsen, N. K., Jansen, J., Andersen, J. L. & Linge, H. C. (2015). A multi-nuclide approach to constrain landscape evolution and past erosion rates in previously glaciated terrains. Quaternary Geochronology, 30(A), 100-113. Artikel 722. https://doi.org/10.1016/j.quageo.2015.08.004

Knudsen, M. F. & Egholm, D. L. (2018). Constraining Quaternary ice covers and erosion rates using cosmogenic ²⁶Al/¹⁰Be nuclide concentrations. Quaternary Science Reviews, 181, 65-75. https://doi.org/10.1016/j.quascirev.2017.12.012

Knudsen, M. F., Egholm, D. L. & Jansen, J. D. (2019). Time-integrating cosmogenic nuclide inventories under the influence of variable erosion, exposure, and sediment mixing. Quaternary Geochronology, 51, 110-119. https://doi.org/10.1016/j.quageo.2019.02.005

Knudsen, M. F., Nørgaard, J., Grischott, R., Kober, F., Egholm, D. L., Hansen, T. M. & Jansen, J. D. (2020). New cosmogenic nuclide burial-dating model indicates onset of major glaciations in the Alps during Middle Pleistocene Transition. Earth and Planetary Science Letters, 549, Artikel 116491. https://doi.org/10.1016/j.epsl.2020.116491

Knudsen, M. F. (2021). Tree rings capture an unruly Sun. Nature Geoscience, 14, 2-3. https://doi.org/10.1038/s41561-020-00676-y

Klein, M., Heinemeier, J., Gottdang, A., Mous, D. J. W. & Olsen, J. (2014). Extension of the HVE 1 MV multi-element AMS system for low background. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 331, 204-208. https://doi.org/10.1016/j.nimb.2013.11.036

Kjeldsen, H., Bedding, T. R., Arentoft, T., Butler, R. P., Dall, T. H., Karoff, C., Kiss, L. L., Tinney, C. G. & Chaplin, W. J. (2008). The amplitude of solar oscillations using stellar techniques. Astrophysical Journal, 682, 1370-1375. https://doi.org/10.1086/589142

Kjeldsen, H., Olsen, J. & Heinemeier, J. (2010). An integrated data-analysis and database system for AMS 14C. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 268, 980–984. https://doi.org/10.1016/j.nimb.2009.10.079

Kitagawa, K., Burger-Völlmecke, D., Brown, S., Olsen, J. & Riede, F. (2025). Paleolithic occupations in the Lahn Valley of Central Germany: New dating and ZooMS results from Wildscheuer, Wildweiberlei, and Wildhaus. Journal of Archaeological Science: Reports, 61, Artikel 104951. https://doi.org/10.1016/j.jasrep.2024.104951

Karoff, C., Rauer, H., Erikson, A., Voss, H., Kabath, P., Wiese, T., Deleuil, M., Moutou, C., Meunier, J. C. & Deeg, H. (2007). Identification of variable stars in COROT's first main observing field (LRc1). The Astronomical Journal, 134(2), 766-777.

Karoff, C. (2007). High-frequency interference peaks in solar-like stars. I G. Handler & G. Houdek (red.), Communications in Asteroseismology (Bind 150, s. 145-146). Austrian Academy of Sciences.

Karoff, C., Bruntt, H., Kjeldsen, H., Bedding, T. R. & Buzasi, D. (2007). Detection of p-mode oscillations in β Hydri from photometric observations with WIRE. I G. Handler & G. Houdek (red.), Communications in Asteroseismology (Bind 150, s. 147-148). Austrian Academy of Sciences.

Karoff, C. (2007). High-frequency modes in solar-like stars. Royal Astronomical Society. Monthly Notices, 381(3), 1001-1008.

Karoff, C., Arentoft, T., Glowienka, L., Coutures, C., Nielsen, T. B., Dogan, G., Grundahl, F., Kjeldsen, H. & Nielsen, T. B. (2008). SPB stars in the open SMC cluster NGC 371. Royal Astronomical Society. Monthly Notices, 386, 1085-1091. https://doi.org/10.1111/j.1365-2966.2008.13105.x

Karoff, C. & Kjeldsen, H. (2008). Evidence that solar flares drive global oscillations in the Sun. Astrophysical Journal, 678, L73-L76.

Karoff, C., Metcalfe, T. S., Chaplin, W. J., Elsworth, Y., Kjeldsen, H., Arentoft, T. & Buzasi, D. (2009). Sounding stellar cycles with Kepler - I. Strategy for selecting targets. Royal Astronomical Society. Monthly Notices, 399(2), 914-923. https://doi.org/10.1111/j.1365-2966.2009.15323.x

Karoff, C., Arentoft, T., Glowienka, L., Coutures, C., Nielsen, T. B., Dogan, G., Grundahl, F. & Kjeldsen, H. (2009). Massive B-type pulsators in low-metallicity environments. Communications in Asteroseismology, 174-178.

Karoff, C. (2009). On Flare-Driven Global Waves. Afhandling præsenteret på Solar-Stellar Dynamos as Revealed by Helio- and Asteroseismology: GONG 2008/SOHO 21, Boulder, Colorado, USA.

Karoff, C., Metcalfe, T. S., Chaplin, W. J., Frandsen, S., Grundahl, F., Kjeldsen, H., Buzasi, D., Arentoft, T. & Christensen-Dalsgaard, J. (2010). Sounding stellar cycles with Kepler - preliminary results from ground-based chromospheric activity measurements. Proceedings of the International Astronomical Union, 57-59. https://doi.org/10.1017/S1743921309992353

Karoff, C., Chaplin, W. J., Appourchaux, T., Elsworth, Y., Garcia, R. A., Houdek, G., Metcalfe, T. S., Molenda-Zakowicz, J., Monteiro, M. J. P. F. G., Thompson, M. J., Christensen-Dalsgaard, J., Gilliland, R. L., Kjeldsen, H., Basu, S., Bedding, T. R., Campante, T. L., Eggenberger, P., Fletcher, S. T., Gaulme, P. ... Ventura, R. (2010). Asteroseismology of solar-type stars with Kepler I: Data analysis. Astronomische Nachrichten, 331(9-10), 972-976. https://doi.org/10.1002/asna.201011438

Karoff, C. (2012). Temporal variations in the acoustic signal from faculae. Royal Astronomical Society. Monthly Notices, 421(4), 3170-3179. https://doi.org/10.1111/j.1365-2966.2012.20542.x

Karoff, C., Campante, T. L. & Chaplin, W. J. (2010). Automated Asteroseismic Analysis of Solar-type Stars. Astronomische Nachrichten. http://arxiv.org/abs/1003.4167

Karoff, C. & Molenda-Żakowicz et al., J. (2010). Asteroseismology of solar-type stars with Kepler: III. Ground-based data. Astronomische Nachrichten, 331(981).

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Revideret 27.04.2023