| Carbon isotopes and the rise of atmospheric oxygen JA Karhu, HD Holland Geology 24 (10), 867-870, 1996 | 614 | 1996 |
| The implication of the oxygen isotope records in coexisting cherts and phosphates J Karhu, S Epstein Geochimica et Cosmochimica Acta 50 (8), 1745-1756, 1986 | 301 | 1986 |
| Chemostratigraphy of the Paleoproterozoic Duitschland Formation, South Africa: implications for coupled climate change and carbon cycling A Bekker, AJ Kaufman, JA Karhu, NJ Beukes, QD Swart, LL Coetzee, ... American Journal of Science 301 (3), 261-285, 2001 | 244 | 2001 |
| Paleoproterozoic evolution of the carbon isotope ratios of sedimentary carbonates in the Fennoscandian Shield. JA Karhu | 206 | 1996 |
| Chemostratigraphy of Paleoproterozoic carbonate successions of the Wyoming Craton: tectonic forcing of biogeochemical change? A Bekker, JA Karhu, KA Eriksson, AJ Kaufman Precambrian Research 120 (3-4), 279-325, 2003 | 175 | 2003 |
| Carbon isotope record for the onset of the Lomagundi carbon isotope excursion in the Great Lakes area, North America A Bekker, JA Karhu, AJ Kaufman Precambrian Research 148 (1-2), 145-180, 2006 | 173 | 2006 |
| Evidence for Paleoproterozoic cap carbonates in North America A Bekker, AJ Kaufman, JA Karhu, KA Eriksson Precambrian Research 137 (3-4), 167-206, 2005 | 155 | 2005 |
| Chemostratigraphy of carbonates from the Minas Supergroup, Quadrilátero Ferryífero (Iron Quadrangle), Brazil: A stratigraphic record of early proterozoic atmospheric … A Bekker, AN Sial, JA Karhu, VP Ferreira, CM Noce, AJ Kaufman, ... American Journal of Science 303 (10), 865-904, 2003 | 117 | 2003 |
| Regional and seasonal trends in the oxygen and hydrogen isotope ratios of Finnish groundwaters: a key for mean annual precipitation NM Kortelainen, JA Karhu Journal of Hydrology 285 (1-4), 143-157, 2004 | 114 | 2004 |
| Collection of radiocarbon dates on the mammoths (Mammuthus primigenius) and other genera of Wrangel Island, northeast Siberia, Russia SL Vartanyan, KA Arslanov, JA Karhu, G Possnert, LD Sulerzhitsky Quaternary Research 70 (1), 51-59, 2008 | 110 | 2008 |
| MIS 3 mammoth remains from Sweden—implications for faunal history, palaeoclimate and glaciation chronology P Ukkonen, L Arppe, M Houmark-Nielsen, KH Kjær, JA Karhu Quaternary Science Reviews 26 (25-28), 3081-3098, 2007 | 92 | 2007 |
| Multiple sulfur isotopes of sulfides from sediments in the aftermath of Paleoproterozoic glaciations D Papineau, SJ Mojzsis, CD Coath, JA Karhu, KD McKeegan Geochimica et Cosmochimica Acta 69 (21), 5033-5060, 2005 | 92 | 2005 |
| Nitrogen isotopic composition of ammoniated phyllosilicates: case studies from Precambrian metamorphosed sedimentary rocks D Papineau, SJ Mojzsis, JA Karhu, B Marty Chemical Geology 216 (1-2), 37-58, 2005 | 89 | 2005 |
| Oxygen isotope values of precipitation and the thermal climate in Europe during the middle to late Weichselian ice age L Arppe, JA Karhu Quaternary Science Reviews 29 (9-10), 1263-1275, 2010 | 87 | 2010 |
| Nurmes paragneisses in eastern Finland, Karelian craton: provenance, tectonic setting and implications for Neoarchaean craton correlation A Kontinen, A Käpyaho, H Huhma, J Karhu, DI Matukov, A Larionov, ... Precambrian Research 152 (3-4), 119-148, 2007 | 60 | 2007 |
| Tracing the decomposition of dissolved organic carbon in artificial groundwater recharge using carbon isotope ratios NM Kortelainen, JA Karhu Applied Geochemistry 21 (4), 547-562, 2006 | 51 | 2006 |
| Field, petrophysical and carbon isotope studies on the Lapland Granulite Belt: implications for deep continental crust T Korja, P Tuisku, T Pernu, J Karhu Terra Nova 8 (1), 48-58, 1996 | 51 | 1996 |
| Implications for the Late Pleistocene climate in Finland and adjacent areas from the isotopic composition of mammoth skeletal remains LM Arppe, JA Karhu Palaeogeography, Palaeoclimatology, Palaeoecology 231 (3-4), 322-330, 2006 | 36 | 2006 |
| Correlation of the stratigraphic cover of the Pilbara and Kaapvaal cratons recording the lead up to Paleoproterozoic Icehouse and the GOE A Bekker, B Krapež, JA Karhu Earth-Science Reviews 211, 103389, 2020 | 35 | 2020 |
| A short-term, post-Lomagundi positive C isotope excursion at c. 2.03 Ga recorded by the Wooly Dolomite, Western Australia A Bekker, B Krapež, SG Müller, JA Karhu Journal of the Geological Society 173 (4), 689-700, 2016 | 34 | 2016 |
