Øyvind Hammer

• Hammer, Øyvind; Nakrem, Hans Arne; Little, Crispin T.S.; Hryniewicz, Krzysztof; Sandy, Michael R.; Hurum, Jørn Harald; Druckenmiller, Patrick et al. (2011). Hydrocarbon seeps from close to the Jurassic-Cretaceous boundary, Svalbard. Palaeogeography, Palaeoclimatology, Palaeoecology.  ISSN 0031-0182.  306(1-2), s 15- 26 . doi: 10.1016/j.palaeo.2011.03.019
• Wierzbowski, Andrzej; Hryniewicz, Krzysztof; Hammer, Øyvind; Nakrem, Hans Arne & Crispin T.S., Little (2011). Ammonites from hydrocarbon seep carbonate bodies from the uppermost Jurassic – lowermost Cretaceous of Spitsbergen and their biostratigraphical importance.. Neues Jahrbuch für Geologie und Palaontologie - Abhandlungen.  ISSN 0077-7749.  262(3), s 267- 288
• Galster, Federico; Guex, Jean & Hammer, Øyvind (2010). Neogene biochronology of Antarctic diatoms: A comparison between two quantitative approaches, CONOP and UAgraph. Palaeogeography, Palaeoclimatology, Palaeoecology.  ISSN 0031-0182.  285(3-4), s 237- 247 . doi: 10.1016/j.palaeo.2009.11.015
• Gradstein, Felix M; Anthonissen, Erik Darren; Brunstad, Harald; Charnock, Mike; Hammer, Øyvind; Hellem, Terje & Lervik, Kjell Sigve (2010). Norwegian Offshore Stratigraphic Lexicon (NORLEX). Newsletters on stratigraphy.  ISSN 0078-0421.  44(1), s 73- 86 . doi: 10.1127/0078-0421/2010/0005
• Hammer, Øyvind; Dysthe, Dag Kristian & Jamtveit, Bjørn (2010). Travertine terracing: patterns and mechanisms. Geological Society Special Publication.  ISSN 0305-8719.  336, s 345- 355 . doi: 10.1144/SP336.18
• Hammer, Øyvind & Webb, Karen Elizabeth (2010). Piston coring of Inner Oslofjord pockmarks, Norway: constraints on age and mechanism. Norsk Geologisk Tidsskrift.  ISSN 0029-196X.  90(1-2), s 79- 91
• Sharma, Prabha; Uniyal, Prem Lal & Hammer, Øyvind (2010). Two New Species of Ephedra (Ephedraceae) from the Western Himalayan Region . Systematic Botany.  ISSN 0363-6445.  35(4), s 730- 735 . doi: 10.1600/036364410X539817
• Webb, Karen Elizabeth; Hammer, Øyvind; Lepland, Aivo & Gray, John Stuart (2009). Pockmarks in the Inner Oslofjord, Norway. Geo-Marine Letters.  ISSN 0276-0460.  29(2), s 111- 124 . doi: 10.1007/s00367-008-0127-1
• de Mahiques, MM; Wainer, IKC; Burone, L; Nagai, R; Sous, SHDE; Figueira, RCL; da Silveira, ICA et al. (2009). A high-resolution Holocene record on the Southern Brazilian shelf: Paleoenvironmental implications. Quaternary International.  ISSN 1040-6182.  206, s 52- 61 . doi: 10.1016/j.quaint.2008.09.010
• Hammer, Øyvind (2009). New statistical methods for detecting point alignments. Computers & Geosciences.  ISSN 0098-3004.  35(3), s 659- 666 . doi: 10.1016/j.cageo.2008.03.012
• Hammer, Øyvind; Webb, Karen Elizabeth & Depreiter, Davy (2009). Numerical simulation of upwelling currents in pockmarks, and data from the Inner Oslofjord, Norway. Geo-Marine Letters.  ISSN 0276-0460.  29(4), s 269- 275 . doi: 10.1007/s00367-009-0140-z
• Kruglikova, Svetlana B.; Bjørklund, Kjell Rasmus; Hammer, Øyvind & Anderson, O. Roger (2009). Endemism and speciation in polycystine radiolarian genus Actinomma in the Arctic Ocean: Descrition of two new species Actinomma georgii n. sp. and A. turidae n. sp.. Marine Micropaleontology.  ISSN 0377-8398.  72(1-2), s 26- 48 . doi: 10.1016/j.marmicro.2009.02.004
• Svensen, Henrik; Hammer, Øyvind; Mazzini, Adriano; Onderdonk, Nathan Washburn; Polteau, Stephane; Planke, Sverre & Podladtchikov, Iouri (2009). Dynamics of hydrothermal seeps from the Salton Sea geothermal system (California, USA) constrained by temperature monitoring and time series analysis. Journal of Geophysical Research - Solid Earth.  ISSN 0148-0227.  114 . doi: 10.1029/2008JB006247
• Hammer, Øyvind; Hammer, O; Dysthe, DK; Lelu, B; Lund, Hanne; Lund, Halvor; Meakin, P et al. (2008). Calcite precipitation instability under laminar, open-channel flow. Geochimica et Cosmochimica Acta.  ISSN 0016-7037.  72(20), s 5009- 5021 . doi: 10.1016/j.gca.2008.07.028
• Hammer, Øyvind (2007). Spectral analysis of a Plio-Pleistocene multispecies time series using the Mantel periodogram. Palaeogeography, Palaeoclimatology, Palaeoecology.  ISSN 0031-0182.  243, s 373- 377
• Hammer, Øyvind; Dysthe, Dag Kristian & Jamtveit, Bjørn (2007). The dynamics of travertine dams. Earth and Planetary Science Letters.  ISSN 0012-821X.  256(1-2), s 258- 263 . doi: 10.1016/j.epsl.2007.01.033
• Hammer, Øyvind & Bucher, Hugo (2006). Generalized ammonoid hydrostatics modelling, with application to Intornites and intraspecific variation in Amaltheus. Paleontological Research.  ISSN 1342-8144.  10, s 91- 96
• Hurum, Jørn Harald; Milàn, Jesper; Hammer, Øyvind; Midtkandal, Ivar; Amundsen, Hans E. Foss & Sæther, Bjørn (2006). Tracking polar dinosaurs - new finds from the Lower Cretaceous of Svalbard. Norsk Geologisk Tidsskrift.  ISSN 0029-196X.  86, s 397- 402
• Jamtveit, Bjørn; Hammer, Øyvind; Anderson, C; Dysthe, Dag Kristian; Heldmann, J. & Vogel, Michael (2006). Travertines from the Troll thermal springs, Svalbard. Norsk Geologisk Tidsskrift.  ISSN 0029-196X.  (86), s 387- 395
• Hammer, Øyvind & Bucher, Hugo (2005). Buckman's first law of covariation - a case of proportionality. Lethaia: an international journal of palaeontology and stratigraphy.  ISSN 0024-1164.  38, s 67- 72
• Hammer, Øyvind & Bucher, Hugo (2005). Models for the morphogenesis of the molluscan shell. Lethaia: an international journal of palaeontology and stratigraphy.  ISSN 0024-1164.  38, s 111- 122
• Hammer, Øyvind; Jamtveit, Bjørn; Benning, L & Dysthe, Dag Kristian (2005). Evolution of fluid chemistry during travertine formation in the Troll thermal springs, Svalbard, Norway. Geofluids.  ISSN 1468-8115.  5, s 140- 150
• Hammer, Øyvind (2004). Allometric field decomposition - an attempt at morphogenetic morphometrics, In  Morphometrics - applications in biology and paleontology.  Springer.  Kap..  s 55 - 66
• Hammer, Øyvind (2004). Biodiversity curves for the Ordovician of Baltoscandia. Lethaia: an international journal of palaeontology and stratigraphy.  ISSN 0024-1164.  36, s 305- 313
• Hammer, Øyvind (2004). Trilobite biodiversity in the Ordovician of Baltica, In B.D. Webby (ed.),  The Great Ordovician Biodiversification Event.  Columbia University Press.
• Hammer, Øyvind (2003). A 12-14 million year faunal diversity cycle in the Ordovician of Western Baltica. Norsk Geologisk Tidsskrift.  ISSN 0029-196X.  83, s 79- 84
• Hammer, Øyvind (2003). A database of fossil ocurrences in the Ordovician of Baltoscandia. Bulletin of the Geological Society of Denmark.  ISSN 0011-6297.  50, s 5- 9
• Hammer, Øyvind (2002). Imaging fossils using reflectance transformation and interactive manipulation of virtual light sources. Palaeontologia Electronica.  ISSN 1094-8074.  4(3)
• Hammer, Øyvind (2001). PAST: Paleontological statistics software package for education and data analysis. Palaeontologia Electronica.  ISSN 1094-8074.  4(1)
• Hammer, Øyvind & Barrett, Natascha (2001). Spatio-temporal distribution of animal vocalizations in two neo-tropical rain forests.. Bioacoustics.  ISSN 0952-4622.  12, s 21- 35
• Hammer, Øyvind & Harper, David A.T. (2001). Ordovician biodiversity changes across Baltica: A Baltoscandian database. PaleoBios.  21
• Hammer, Øyvind; Harper, David A.T. & Ryan, P.D. (2001). PAST: Paleontological statistics software for education and data analysis. Palaeontologia Electronica.  ISSN 1094-8074.  4(1)
• Hammer, Øyvind (2000). A theory for the formation of commarginal ribs in mollusc shells by regulative oscillation. Journal of molluscan studies.  ISSN 0260-1230.  66, s 383- 391
• Hammer, Øyvind (2000). Lateral inhibition in the astogeny of conical multistiped graptolites. Lethaia: an international journal of palaeontology and stratigraphy.  ISSN 0024-1164.  33, s 39- 45
• Hammer, Øyvind (2000). Spatial organisation of tubercles and terrace lines in Paradoxides forchhammeri - evidence of lateral inhibition.. Acta Palaeontologica Polonica.  ISSN 0567-7920.  45, s 251- 270
• Hammer, Øyvind (1999). Computer-aided study of growth patterns in tabulate corals, exemplified by Catenipora heintzi from Ringerike, Oslo Region. Norsk Geologisk Tidsskrift.  ISSN 0029-196X.  79, s 219- 226
• Hammer, Øyvind (1999). The development of ammonoid septa: An epithelial invagination process controlled by morphogens?. Historical Biology.  ISSN 0891-2963.  13, s 153- 171
• Hammer, Øyvind & Bucher, Hugo (1999). Reaction-diffusion processes: Application to the morphogenesis of ammonoid ornamentation. Geobios.  ISSN 0016-6995.  32, s 841- 852
• Hammer, Øyvind (1998). Computer simulation of the evolution of foraging strategies: Application to the ichnological record. Palaeontologia Electronica.  ISSN 1094-8074.  1(2)
• Hammer, Øyvind (1998). Diffusion and direct signaling models are numerically equivalent. Journal of Theoretical Biology.  ISSN 0022-5193.  192, s 129- 130
• Hammer, Øyvind (1998). Regulation of astogeny in halysitid tabulates. Acta Palaeontologica Polonica.  ISSN 0567-7920.  43(4), s 635- 651

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• Hammer, Øyvind & Harper, David A.T. (2006). Paleontological Data Analysis. Blackwell Verlag.  ISBN 1405115440.  352 s.

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• Hammer, Øyvind; Nakrem, Hans Arne; Little, Crispin T.S.; Hryniewicz, Krzysztof; Sandy, Michael R.; Hurum, Jørn Harald; Druckenmiller, Patrick et al. (2011). Hydrocarbon seeps from close to the Jurassic/Cretaceous boundary, Svalbard..
• Hryniewicz, Krzysztof; Little, Crispin T.S.; Nakrem, Hans Arne & Hammer, Øyvind (2011). Chemosymbiotic bivalves from the Jurassic-Cretaceous hydrocarbon seeps of Svalbard.
• Hurum, Jørn Harald; Nakrem, Hans Arne; Hammer, Øyvind; Knutsen, Espen Madsen; Hryniewicz, Krzysztof; Rousseau, Julie; Høyberget, Magne et al. (2011). The Upper Jurassic to Lower Cretaceous of Svalbard – a palaeontological bonanza..
• Nakrem, Hans Arne; Bockelie, Johan Fredrik; Bruton, David; Dahlgren, Sven & Hammer, Øyvind (2011). Forskning, formidling og vern – ja takk, alt sammen! Lansering av en ny unik geologisk forekomst i Oslofeltet..
• Hammer, Øyvind & Nakrem, Hans Arne (2010). Carbon isotope chemostratigraphy of the Upper Jurassic of Svalbard, Norway.. NGF Abstracts and Proceedings of the Geological Society of Norway.  (1), s 61- 62
• Hammer, Øyvind & Nakrem, Hans Arne (2010). Clastic dykes from the Upper Jurassic of Svalbard, Norway.. NGF Abstracts and Proceedings of the Geological Society of Norway.  1, s 61- 61
• Hurum, Jørn Harald; Nakrem, Hans Arne; Hammer, Øyvind & Madsen Knutsen, Espen (2010, 28. oktober). Øglene på Svalbard. [TV].  Schrødinger spesial NRK1.
• Nakrem, Hans Arne & Hammer, Øyvind (2010). Fossilfauna dominert av blekkspruter.. Geo.  ISSN 1500-8371.  13(7), s 20- 24
• Nakrem, Hans Arne; Hammer, Øyvind; Hurum, Jørn Harald & Little, Crispin T.S. (2010). A hydrocarbon seep fauna from the uppermost Jurassic of Spitsbergen, Svalbard. IPCG.  s 291- 291
• Nakrem, Hans Arne; Hammer, Øyvind; Hurum, Jørn Harald & Little, Crispin T.S. (2010). Hydrocarbon seeps from the uppermost Jurassic, Western Spitsbergen, Svalbard. NGF Abstracts and Proceedings of the Geological Society of Norway.  (1), s 133- 133
• Nakrem, Hans Arne; Hammer, Øyvind & Hurum, Jørn Harald (2009). Upper Jurassic hydrocarbon seeps (‘cold seeps’) from Western Spitsbergen, Svalbard.. NGF Abstracts and Proceedings of the Geological Society of Norway.  1, s 83- 83
• Hammer, Øyvind (2007). Natural pattern formation: Molecules or Mechanics - Turing or Thompson?.
• Hammer, Øyvind; Dysthe, Dag Kristian & Lelu, Bastien (2007). Calcite precipitation instability under open-channel flow.
• Hammer, Øyvind; Dysthe, Dag Kristian & Lelu, Bastien (2007). Calcite precipitation instability under open-channel flow. Geophysical Research Abstracts.  ISSN 1029-7006.  9
• Jamtveit, Bjørn; Jettestuen, Espen; Hammer, Øyvind & Podladtchikov, Iouri (2006). Growth of complex carbonate surfaces.
• Hammer, Øyvind (2005). Constructional complexity and the auxotype.
• Jamtveit, Bjørn; Hammer, Øyvind; Buchanan, Mark; Villiers, A. S. de; Dysthe, Dag Kristian & Feder, Jens (2005). Travertine formation and other pattern forming processes on sloping surfaces.. Geochimica et Cosmochimica Acta.  ISSN 0016-7037.  69(10), s A482- A482
• Dysthe, Dag Kristian & Hammer, Øyvind (2004). Ice and travertine pattern formation under shallow water flow.
• Hammer, Øyvind (2004). Extinction levels and LIP events - robust association.
• Hammer, Øyvind (2004). PAST (Paleontological Statistics) - Comprehensive teaching and research package for paleontological data analysis.
• Hammer, Øyvind & Dysthe, Dag Kristian (2004). Pattern formation in travertine and ice under shallow water flow.
• Hammer, Øyvind; Jamtveit, Bjørn & Dysthe, Dag Kristian (2004). Arctic hot-springs and self-organized rimstone terraces at Spitsbergen..
• Hammer, Øyvind; Jamtveit, Bjørn; Dysthe, Dag Kristian & Benning, L (2004). Arctic hot-springs and self-organized rimstone terraces at Spitsbergen. Geochimica et Cosmochimica Acta.  ISSN 0016-7037.  68, s A149- A149
• Olsen, Lars-Henrik & Hammer, Øyvind (2004). A 6-7 ka climatic cycle during the last 50,000 years.
• Benning, LG; Phoenix, V; Yee, N & Hammer, Øyvind (2003). Bacterial-silica interactions: Affinity or fate?. Abstract of Papers of the American Chemical Society.  ISSN 0065-7727.  226, s U590- U590
• Hammer, Øyvind (2003). PAST - Data Analysis Software for Palaeontology and Geology.
• Hurum, Jørn Harald; Hammer, Øyvind; Amundsen, Hans E. Foss; Sæther, Bjørn & Flatås, Sindre (2003). Dinosaurs in the snow.
• Hammer, Øyvind (2002). A Database of the Ordovician of Baltoscandia .
• Hammer, Øyvind (2002). PAST - Palaeontological Statistics .
• Hammer, Øyvind (2001). Da Oslo var åpent hav - fauna og klima i Ordovicium. Naturen.  ISSN 0028-0887.  125, s 259- 265
• Hammer, Øyvind (2000). Lateral inhibition models in developmental palaeobiology..
• Lyså, Per Åge; Greving, Atle; Selsjord, Marianne; Laane, Carl Morten Motzfeldt; Barrett, Natascha; Kvinnsland, Bjarne; Heitmann, Øyvind et al. (2000). Embryonics.

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