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2025
Harning DJ, Sacco S, Raberg JH, Ardenghi N, Thordarson T, Sepúlveda J, Miller GH, Geirsdóttir Á. Ancient DNA and lipid biomarkers quantify the climate sensitivity of highland shrubification in Iceland. Preprint. https://doi.org/10.31223/X5S165
Davies J, Jennings A, Carter-Champion A, D’Andrea WJ, Fritz C, Gregory EE, Harning DJ, Kelleher R, Mix AC, Stelling K, Stoner JS, Walczak MH, Klotsko S, Hatfield RG, Reilly B. Linkages between modern benthic foraminiferal assemblages and environmental conditions at continental slope depths: From Baffin Bay to the Labrador Sea. Marine Micropaleontology 201, 102527, https://doi.org/10.1016/j.marmicro.2025.102527.
Jones MC, Anderson L, Caissie B, Harning DJ, Ager TA. Sea-level driven isolation of glacial plant refugia revealed by submerged lake sediment from the Bering Land Bridge and St. Matthew Island. Arctic, Antarctic, and Alpine Research 57, 2557062, https://doi.org/10.1080/15230430.2025.2557062.
Harning DJ, Sacco S, Raberg JH, Ardenghi N, Sepúlveda J, Shapiro B, Miller GH, Geirsdóttir Á. Both redox potential and climate control molecular proxies in Icelandic Holocene lake sediments. Communications Earth & Environment 6, 763. https://doi.org/10.1038/s43247-025-02701-7
Harning DJ, Jennings AE, Holman B, Kelleher RV, Feng S, Brooks NKS, Andrews JT, Marchitto T, Sepúlveda J. Spatiotemporal variability in the Holocene extent of Pikialasorsuaq (North Water Polynya), Baffin Bay. Paleoceanography and Paleoclimatology 40, e2025PA005153. https://doi.org/10.1029/2025PA005153
Harning DJ, Florian CF, Geirsdóttir Á, Thordarson T, Miller GH, Axford Y, and Ólafsdóttir S. High-resolution Holocene record based on detailed tephrochronology from Torfdalsvatn, north Iceland, reveals natural and anthropogenic impacts on terrestrial and aquatic environments. Climate of the Past 21, 795-815. https://doi.org/10.5194/cp-21-795-2025
2024
Goliber S, Coenen J, Fair H, Szesciorka A, Schulz K, Harning DJ…and Dryák-Vallies M. Postdoc perspectives on leadership and matters of equity and inclusion in polar science. Perspectives of Earth and Space Scientists 5, e2024CN000252. https://doi.org/10.1029/2024CN000252
Harning DJ, Raberg JH, McFarlin JM, Axford Y, Florian CR, Ólafsdóttir KB, Kopf S, Sepúlveda J, Miller GH, and Geirsdóttir Á. Spatiotemporal variation of modern lake, stream, and soil water isotopes in Iceland. Hydrology and Earth System Sciences 28, 4275-4293. https://doi.org/10.5194/hess-28-4275-2024
Harning DJ, and Sepúlveda J. Impact of non-thermal variables on hydroxylated GDGT distributions around Iceland. Frontiers in Earth Science 12, 1430441. https://doi.org/10.3389/feart.2024.1430441
Ardenghi N, Harning DJ, Raberg JH, Holman BR, Thordarson T, Geirsdóttir Á, Miller GH, and Sepúlveda, J. A Holocene history of climate, fire, landscape evolution, and human activity in Northeast Iceland. Climate of the Past 20, 1087-1123. https://doi.org/10.5194/cp-20-1087-2024
Picard M, Von Eggers J, Brasell KA, Yan D, Klaminder, J…Harning DJ…and Capo E, 2024. Using DNA archived in lake sediments to reconstruct past ecosystems. Encyclopedia of Quaternary Science, 3rd Edition. https://doi.org/10.1016/B978-0-323-99931-1.00171-9
Raberg J, Crump SE, de Wet G, Harning DJ, Miller GH, Geirsdóttir Á, and Sepúlveda J. BrGDGT lipids reflect summer soil temperature and seasonal soil water chemistry. Geochimica et Cosmochimica Acta 369, 111-125. https://doi.org/10.1016/j.gca.2024.01.034
Harning DJ, Thordarson T, Geirsdóttir Á, Miller GH, and Florian CR. Repeated Early Holocene eruptions of Katla volcano, Iceland, limit the temporal resolution of the Vedde Ash. Bulletin of Volcanology 86, 2. https://doi.org/10.1007/s00445-023-01690-9
2023
Harning DJ, Sacco S, Anamthawat-Jónsson K, Ardenghi N, Thordarson T, Sepúlveda J, Raberg JH, Geirsdóttir Á, Shapiro B, and Miller GH. Delayed postglacial colonization of Betula in Iceland and the circum North Atlantic. eLife 12, RP87749. https://doi.org/10.7554/eLife.87749.3
Harning DJ, Holman, B, Woelders, L, Jennings, AE, and Sepúlveda J. Biomarker characterization of the North Water Polynya, Baffin Bay: Implications for local sea ice and temperature proxies. Biogeosciences 20, 229-249. https://doi.org/10.5194/bg-20-229-2023
2021
Geirsdóttir Á, Miller GH, Harning DJ, Hannesdóttir H, Thordarson T, and Jónsdóttir I. Recurrent outburst floods and explosive volcanism during the Younger Dryas-Early Holocene deglaciation in South Iceland: evidence from a lacustrine record. Journal of Quaternary Science 37, 1006-1023. https://doi.org/10.1002/jqs.3344
Raberg JH, Harning DJ, Crump SE, de Wet G, Blumm A, Kopf S, Geirsdóttir Á, Miller GH, and Sepúlveda J. Revised fractional abundances and warm-season temperatures substantially improve brGDGT calibrations in lake sediments. Biogeosciences 18, 3579-3603. https://doi.org/10.5194/bg-18-3579-2021
Harning DJ, Jennings AE, Köseoğlu D, Belt ST, Geirsdóttir Á, and Sepúlveda J. Response of biological productivity to North Atlantic marine front migration during the Holocene. Climate of the Past 17, 379-396. https://doi.org/10.5194/cp-17-379-2021
2020
Geirsdóttir Á, Harning DJ, Miller GH, Andrews JT, Zhong Y, and Caseldine C. Holocene history of landscape instability in Iceland: Can we deconvolve the impacts of climate, volcanism and human activity? Quaternary Science Reviews 249, 106633. https://doi.org/10.1016/j.quascirev.2020.106633
Harning DJ, Curtin L, Geirsdóttir Á, D’Andrea WJ, Miller GH, and Sepúlveda J. Lipid biomarkers quantify Holocene summer temperature and ice cap sensitivity in Icelandic lakes. Geophysical Research Letters 47, e2019GL085728. https://doi.org/10.1029/2019GL085728
2019
Harning DJ, Thordarson T, Geirsdóttir Á, Ólafsdóttir S, and Miller GH. Marker tephra layers in Haukadalsvatn lake sediment: A key to the Holocene tephra stratigraphy of Northwest Iceland. Quaternary Science Reviews 219, 154-170. https://doi.org/10.1016/j.quascirev.2019.07.019
Harning DJ, Andrews JT, Belt ST, Cabedo-Sanz P, Geirsdóttir Á, Dildar N, Miller GH, and Sepúlveda J. Sea ice control on winter subsurface temperatures of the North Iceland Shelf during the Little Ice Age: A TEX86 calibration case study. Paleoceanography and Paleoclimatology 34, 1006-1021. https://doi.org/10.1029/2018PA003523
Geirsdóttir Á, Miller GH, Andrews JT, Harning DJ, Anderson LS, Larsen DJ, Florian C, and Thordarson T. Onset of Neoglaciation in Iceland and the 4.2 ka event. Climate of the Past 15, 25-40. https://doi.org/10.5194/cp-15-25-2019
2018
Anderson LS, Flowers GE, Jarosch AH, Aðalgeirsdóttir GTh, Geirsdóttir Á, Miller GH, Harning DJ, Þorsteinsson Þ, Magnússon E, and Pálsson F. Holocene glacier and climate variations in Vestfirðir, Iceland, from the modeling of Drangajökull ice cap. Quaternary Science Reviews 190, 39-56. https://doi.org/10.1016/j.quascirev.2018.04.024
Harning DJ, Geirsdóttir Á, and Miller GH. Punctuated Holocene climate of Vestfirðir, Iceland, linked to internal/external variables and oceanographic conditions. Quaternary Science Reviews 189, 31-42. https://doi.org/10.1016/j.quascirev.2018.04.009
Harning DJ, Geirsdóttir Á, Thordarson T, and Miller GH. Climatic control on Icelandic volcanic activity during the mid-Holocene: COMMENT. Geology 46, e443. https://doi.org/10.1130/G40179C.1
Harning DJ, Thordarson T, Geirsdóttir Á, Zalzal K, and Miller GH. Provenance, stratigraphy and chronology of Holocene tephra from Vestfirðir, Iceland. Quaternary Geochronology 46, 59-76. https://doi.org/10.1016/j.quageo.2018.03.007
2016
Harning DJ, Geirsdóttir Á, Miller GH, and Anderson L. Episodic expansion of Drangajökull, Vestfirðir, Iceland, over the last 3 ka culminating in its maximum dimension during the Little Ice Age. Quaternary Science Reviews 152, 118-131. https://doi.org/10.1016/j.quascirev.2016.10.001
Harning DJ, Geirsdóttir Á, Miller GH, and Zalzal K. Early Holocene deglaciation of Drangajökull, Vestfirðir, Iceland. Quaternary Science Reviews 153, 192-198. https://doi.org/10.1016/j.quascirev.2016.09.030
DR. David Harning 