Øyvind Hammer
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Earth Sciences Biology
Why Is Øyvind Hammer Influential?
(Suggest an Edit or Addition)Øyvind Hammer's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- PAST: PALEONTOLOGICAL STATISTICAL SOFTWARE PACKAGE FOR EDUCATION AND DATA ANALYSIS (2001) (17755)
- PAST - PAlaeontological STatistics (2001) (667)
- PAST - PAlaeontological STatistics, ver. 1.34 (2005) (335)
- Rapid magma emplacement in the Karoo Large Igneous Province (2012) (278)
- The Carboniferous Period (2019) (87)
- Hydrocarbon seeps from close to the Jurassic-Cretaceous boundary, Svalbard (2011) (82)
- Developing a strategy for accurate definition of a geological boundary through radio-isotopic and biochronological dating: The Early–Middle Triassic boundary (South China) (2015) (71)
- Sculpting of Rocks by Reactive Fluids (2012) (67)
- Numerical simulation of upwelling currents in pockmarks, and data from the Inner Oslofjord, Norway (2009) (62)
- IMAGING FOSSILS USING REFLECTANCE TRANSFORMATION AND INTERACTIVE MANIPULATION OF VIRTUAL LIGHT SOURCES (2002) (58)
- The Silurian Period (2020) (57)
- New statistical methods for detecting point alignments (2009) (54)
- Astronomically forced cyclicity in the Upper Ordovician and U–Pb ages of interlayered tephra, Oslo Region, Norway (2015) (53)
- Biodiversity curves for the Ordovician of Baltoscandia (2003) (52)
- A climatic trigger for the giant Troll pockmark field in the northern North Sea (2017) (49)
- The dynamics of travertine dams (2007) (45)
- Buckman's first law of covariation–a case of proportionality (2005) (45)
- Integrating subsurface and outcrop data of the Middle Jurassic to Lower Cretaceous Agardhfjellet Formation in central Spitsbergen (2018) (44)
- A high-resolution Holocene record on the Southern Brazilian shelf: Paleoenvironmental implications (2009) (43)
- Pockmarks in the inner Oslofjord, Norway (2009) (42)
- Norwegian Offshore Stratigraphic Lexicon (NORLEX) (2010) (42)
- Calcite precipitation instability under laminar, open-channel flow (2008) (41)
- Models for the morphogenesis of the molluscan shell (2005) (40)
- High-resolution organic carbon–isotope stratigraphy of the Middle Jurassic–Lower Cretaceous Agardhfjellet Formation of central Spitsbergen, Svalbard (2016) (39)
- Ammonites from hydrocarbon seep carbonate bodies from the uppermost Jurassic – lowermost Cretaceous of Spitsbergen and their biostratigraphical importance (2011) (37)
- Evolution of fluid chemistry during travertine formation in the Troll thermal springs, Svalbard, Norway (2005) (35)
- Constraints on the dynamics of pockmarks in the SW Barents Sea: Evidence from gravity coring and high-resolution, shallow seismic profiles (2014) (34)
- Experimental investigation of the hydrodynamics in pockmarks using particle tracking velocimetry (2014) (33)
- Are Early Triassic extinction events associated with mercury anomalies? A reassessment of the Smithian/Spathian boundary extinction (2019) (31)
- The Slottsmøya marine reptile Lagerstätte: depositional environments, taphonomy and diagenesis (2015) (30)
- Organic carbon isotope chemostratigraphy and cyclostratigraphy in the Volgian of Svalbard (2012) (30)
- Travertine terracing: patterns and mechanisms (2010) (28)
- Reaction-diffusion processes: Application to the morphogenesis of Ammonoid ornamentation (1999) (28)
- Dynamics of hydrothermal seeps from the Salton Sea geothermal system (California, USA) constrained by temperature monitoring and time series analysis (2009) (27)
- An arctic lagerstätte – the slottsmøya member of the Agardhfjellet formation (Upper Jurassic – Lower Cretaceous) of Spitsbergen (2012) (27)
- Discrete Biochronological Time Scales (2015) (25)
- 3D characterization of porosity and authigenic cementation in Triassic conglomerates/arenites in the Edvard Grieg field using 3D micro-CT imaging (2019) (25)
- Statistical confidence intervals for relative abundances and abundance-based ratios: Simple practical solutions for an old overlooked question (2019) (25)
- The nature of Ordovician limestone-marl alternations in the Oslo-Asker District (Norway): witnesses of primary glacio-eustasy or diagenetic rhythms? (2016) (25)
- Sediment mapping and long-term monitoring of currents and sediment fluxes in pockmarks in the Oslofjord, Norway (2013) (25)
- Biostratigraphy and carbon and nitrogen geochemistry of the SPICE event in Cambrian low-grade metamorphic black shale, Southern Norway (2017) (25)
- Neogene biochronology of Antarctic diatoms: A comparison between two quantitative approaches, CONOP and UAgraph (2010) (24)
- The development of ammonoid septa: An epithelial invagination process controlled by morphogens? (1999) (23)
- The palaeoecology of the latest Jurassic–earliest Cretaceous hydrocarbon seep carbonates from Spitsbergen, Svalbard (2015) (23)
- A THEORY FOR THE FORMATION OF COMMARGINAL RIBS IN MOLLUSC SHELLS BY REGULATIVE OSCILLATION (2000) (22)
- High-resolution 3D seismic study of pockmarks and shallow fluid flow systems at the Snøhvit hydrocarbon field in the SW Barents Sea (2018) (22)
- Pattern formation: Watch your step (2008) (21)
- A new age model for the Ordovician (Sandbian) K-bentonites in Oslo, Norway (2019) (20)
- Tracking polar dinosaurs-new finds from the Lower Cretaceous of Svalbard (2007) (19)
- Large Onychites (Cephalopod Hooks) from the Upper Jurassic of the Boreal Realm (2012) (18)
- A new high-resolution stratigraphic and palaeoenvironmental record spanning the End-Permian Mass Extinction and its aftermath in central Spitsbergen, Svalbard (2020) (18)
- Endemism and speciation in the polycystine radiolarian genus Actinomma in the Arctic Ocean: Description of two new species Actinomma georgii n. sp. and A. turidae n. sp. (2009) (17)
- Beak and skull shapes of human commensal and non-commensal house sparrows Passer domesticus (2013) (16)
- Travertines from the Troll thermal springs, Svalbard (2006) (16)
- Spatial organization of tubercles and terrace lines in Paradoxides forchhammeri - evidence of lateral inhibition (2000) (15)
- Formation of Si-Al-Mg-Ca-rich zoned magnetite in an end-Permian phreatomagmatic pipe in the Tunguska Basin, East Siberia (2017) (15)
- Linking Geology and Microbiology: Inactive Pockmarks Affect Sediment Microbial Community Structure (2014) (14)
- Tracing the origin of thermogenic hydrocarbon signals in pockmarks from the southwestern Barents Sea (2013) (13)
- COMPUTER SIMULATION OF THE EVOLUTION OF FORAGING STRATEGIES: APPLICATION TO THE ICHNOLOGICAL RECORD (1998) (13)
- Late Jurassic–Early Cretaceous hydrocarbon seep boulders from Novaya Zemlya and their faunas (2015) (13)
- The theropod that wasn't: an ornithopod tracksite from the Helvetiafjellet Formation (Lower Cretaceous) of Boltodden, Svalbard (2016) (12)
- Computer-aided study of growth patterns in tabulate corals, exemplified by Catenipora heintzi from Ringerike, Oslo Region (1999) (12)
- Precipitation dendrites in channel flow (2013) (11)
- Inter- and intraspecific morphological variation of four-shelled Actinomma taxa (Radiolaria) in polar and subpolar regions (2014) (11)
- Stratigraphic guide to the Cromer Knoll, Shetland and Chalk Groups, North Sea and Norwegian Sea (2016) (10)
- Regulation of astogeny in halysitid tabulates (1998) (10)
- STABILITY OF DISSOLUTION FLUTES UNDER TURBULENT FLOW (2011) (10)
- Progressive Growth of the Cerro Bayo Cryptodome, Chachahuén Volcano, Argentina—Implications for Viscous Magma Emplacement (2019) (9)
- Stratigraphy and age of the Grippia niveau bonebed, Lower Triassic Vikinghøgda Formation, Spitsbergen (2018) (9)
- Piston coring of Inner Oslofjord pockmarks, Norway: constraints on age and mechanism (2010) (9)
- Stratigraphic guide to the Rogaland Group, Norwegian North Sea (2013) (9)
- Brachiopods from Late Jurassic-Early Cretaceous hydrocarbon seep deposits, central Spitsbergen, Svalbard. (2014) (9)
- TECHNIQUES FOR STUDYING THE SPATIO-TEMPORAL DISTRIBUTION OF ANIMAL VOCALIZATIONS IN TROPICAL WET FORESTS (2001) (8)
- The history of exploration and stratigraphy of the Early to Middle Triassic vertebrate-bearing strata of Svalbard (Sassendalen Group, Spitsbergen) (2018) (8)
- Section 7. Hierarchical Fracturing During Weathering and Serpentinisation (2012) (8)
- Body size trends in the Ordovician to earliest Silurian of the Oslo Region (2016) (7)
- Spectral analysis of a Plio-Pleistocene multispecies time series using the Mantel periodogram (2007) (7)
- Two New Species of Ephedra (Ephedraceae) from the Western Himalayan Region (2010) (6)
- Sedimentary environments in the south-western Barents Sea during the last deglaciation and the Holocene: a case study outside the Ingøydjupet trough (2016) (6)
- New late Smithian (Early Triassic) ammonoids from the Lusitandiadalan Member, Vikinghøgda Formation, Svalbard (2017) (6)
- Agderia – a postglacial lost land in the southern Norwegian North Sea (2016) (5)
- Decrypting Magnetic Fabrics (AMS, AARM, AIRM) Through the Analysis of Mineral Shape Fabrics and Distribution Anisotropy (2021) (5)
- Virtual whitening of fossils using polynomial texture mapping (2013) (5)
- High-rank polycystine radiolarian taxa as temperature proxies in the Nordic Seas (2010) (5)
- Perfect Shape Spiral Stories (2016) (5)
- Discussion: The development of ammonoid septa: An epithelial invagination process controlled by morphogens or by viscous fingering? (2000) (4)
- Structure and function of respiratory turbinates in phocid seals (2020) (4)
- New late jurassic teleost remains from the agardhfjellet formation, Spitsbergen, Svalbard (2018) (4)
- Understanding thermogenic degassing in large igneous provinces: Inferences from the geological and statistical characteristics of breccia pipes in the western parts of the Karoo Basin (2020) (4)
- Comment on ‘Redox conditions, productivity, and volcanic input during deposition of uppermost Jurassic and Lower Cretaceous organic-rich siltstones in Spitsbergen, Norway’ by Rakociński et al. (2018) (2019) (3)
- Pattern formation by local amplification and lateral inhibition: Examples from biology and geology (2009) (3)
- Travertine terracing: patterns and mechanisms Geological Society, London, Special Publications (2010) (3)
- Norwegian Offshore Stratigraphic Lexicon (2005) (3)
- High rank taxa of Polycystina (Radiolaria) as environmental bioindicators (2011) (3)
- Allometric field decomposition — an attempt at morphogenetic morphometrics (2004) (3)
- Palaeoecology and palaeoenvironments of the Middle Jurassic to lowermost Cretaceous Agardhfjellet Formation (Bathonian–Ryazanian), Spitsbergen, Svalbard (2019) (3)
- Morphometrics in Past: Integrating Morphometrics with General Data Analysis Software (2010) (2)
- Travertine formation and other pattern forming processes on sloping surfaces (2005) (2)
- Carbon dioxide diffuse emission at the Tolhuaca hydrothermal system (Chile) controlled by tectonics and topography (2021) (2)
- The Perfect Shape (2016) (2)
- Carboniferous Cyclic Sedimentation and Micropaleontology of Bear Island, Arctic Norway (2013) (2)
- Lateral inhibition in the astogeny of conical multistiped graptolites (2000) (2)
- Mesozoic marine reptiles from Spitsbergen and their ecosystems (2019) (2)
- The middle Smithian (Early Triassic) ammonoid Arctoceras blomstrandi: conch morphology and ornamentation in relation to stratigraphy (2020) (1)
- The radiolarian fauna during the Younger Dryas–Holocene transition in Andfjorden, northern Norway (2019) (1)
- Response of macrobenthic trace maker community to the end-Permian mass extinction in Central Spitsbergen, Svalbard (2021) (1)
- New late Smithian ( Early Triassic ) ammonoids from the Lusitaniadalen Member , Vikinghøgda Formation , Svalbard Introduction (2017) (1)
- Section 5. Replacement Processes (2012) (1)
- Corrigendum to “Astronomically forced cyclicity in the Upper Ordovician and U–Pb ages of interlayered tephra, Oslo Region, Norway” [Palaeogeogr. Palaeoclimatol. Palaeoecol.: 418C (2015) 150–159] (2015) (1)
- Foraminiferal stratigraphy and palaeoenvironment of a storm-influenced marine shelf: upper Aptian – lower Albian, Svalbard, Arctic Norway (2021) (1)
- Beak and skull shapes of human commensal and non-commensal house sparrows Passer domesticus (2013) (1)
- The Ordovician of Scandinavia: A revised regional stage classification (2022) (1)
- The Golden Spiral Silliness (2016) (0)
- Bivalve-barnacle pseudoplanktonic colonisation of wood from the Toarcian, Lower Jurassic, Strawberry Bank Lagerstätte, Somerset UK (2023) (0)
- The Daemon Beavers of Nebraska (2016) (0)
- Section 3. Free Surface Growth in Stagnant Fluids (2012) (0)
- Curls of Green (2016) (0)
- The Quest for the Sublime Spiral (2016) (0)
- Unfortunate Moths and Lopsided Falcons (2016) (0)
- Fossils From the Arctic in the Collections of the Natural History Museum in Oslo, Norway (2023) (0)
- Constraints on the Dynamics of Seabed Pockmarks: an Integrated Sedimentological, Biostratigraphic, Geophysical, Oceanographic and Experimental Approach (2015) (0)
- When Television Was Spiral (2016) (0)
- Now It Gets Complex (2016) (0)
- The Spiral from the Depth of Time (2016) (0)
- The Labyrinths of History (2016) (0)
- Shaligram-Shilas and the Hands of Vishnu (2016) (0)
- Geochemistry of pockmark sediments from the inner Oslofjord (2013) (0)
- The Great Spiral in the Sky (2016) (0)
- Nature Red in Blood and Claw (2016) (0)
- Calibrating Biochronological Zones with Geochronology (2016) (0)
- Table 1) Pairwise distances between sample locations (2013) (0)
- Interval Graphs and Stratigraphic Contradictions (2016) (0)
- Lower Jurassic Radiolarian Biochronology and Evolutionary Rates (2016) (0)
- Section Supplementary Information (2012) (0)
- The Bothriolepis (Placodermi, Antiarcha) material from the Valentia Slate Formation of the Iveragh Peninsula (middle Givetian, Ireland): Morphology, evolutionary and systematic considerations, phylogenetic and palaeogeographic implications (2023) (0)
- Gnomons, a Miracle, and Charles Babbage (2016) (0)
- Earliest Triassic ichthyosaur fossils push back oceanic reptile origins (2023) (0)
- Travertine terracing : patterns and mechanisms . In : Tufas and Speleothems : Unravelling the Microbial and Physical Controls (2010) (0)
- Section 2. Review & Historical Perspectives (2012) (0)
- The Longyearbyen CO2 Lab Project: Lessons Learned From A Decade Of Characterizing An Unconventional Reservoir-Caprock System (2018) (0)
- Age of the J/K boundary using Re-Os geochronology of black shale from Central Spitsbergen, Svalbard (2021) (0)
- A Delightful Nuclear Missile Disaster (2016) (0)
- An Interlude at the Beach (2016) (0)
- High-resolution 3 D seismic study of pockmarks and shallow fluid flow systems 1 at the Snøhvit hydrocarbon field in the SW Barents Sea 2 3 (2018) (0)
- Section 8. Growth in Pores (2012) (0)
- Gas and Water Geochemistry of Seeps from the Salton Sea Geothermal System (California, USA) and the Implications for Seep Processes (2008) (0)
- Statistical Pseudo-improvements of the UA Method (2016) (0)
- The Lost Sea of Spirals (2016) (0)
- The Killer Spiral (2016) (0)
- Section 4. Free Surface Growth and Dissolution Under Flow (2012) (0)
- Gas migration and carbon capture in one of the World's largest pockmark fields, the Norwegian Sea (2013) (0)
- Propelling, the Archimedean Way (2016) (0)
- Biostratigraphy , Geochemistry and Paleoenvironment of Brucebyen Beds , basal Tyrellfjellet Member , Svalbard (2013) (0)
- The Spiral of the Bird Priests (2016) (0)
- Ropes and Rifles (2016) (0)
- Spirals of the Abyss (2016) (0)
- Section 9. In situ Mineral Carbonation of ultra mafic rocks (2012) (0)
- A Note on Toilet Paper (2016) (0)
- Quantifying the crystal cargo of the Cerro Bayo cryptodome, Argentina; A window into pre-emplacement magma processes and storage conditions (2018) (0)
- The Case of the Staircase (2016) (0)
- Bivalve beds reveal rapid changes in ocean oxygenation in the Boreal Middle Triassic – a case study from Svalbard, Norway (2023) (0)
- The Mystery of the Twisted Tree (2016) (0)
- Thou Shalt Love Thy Neighbour (2016) (0)
- Structure and function of respiratory turbinates in phocid seals (2020) (0)
- Spirals of the Mind (2016) (0)
- Sculptures of the Sea (2016) (0)
- Table 2) Visual core descriptions (2013) (0)
- The Late Jurassic world of the high Arctic, Spitsbergen, Svalbard (2018) (0)
- Linking the Lusi mud eruption dynamics with regional and global seismic activity: a statistical analysis. (2017) (0)
- Section 6. Pattern Formation Through Reactive Transport in porous media (2012) (0)
- A Very Funny Fish (2016) (0)
- How to Grab a Can of Beer (2016) (0)
- The Spiral of the Ancient Mariner (2016) (0)
- The Pendulum and the Galaxy (2016) (0)
- Under the Mistletoe (2016) (0)
- Double Spirals, Twice the Fun (2016) (0)
- Squaring the Circle (2016) (0)
- A new age model for the Late Ordovician bentonites in Oslo, Norway (2017) (0)
- Spiral Jetty, Tatlin’s Tower (2016) (0)
- Problems of Datums Diachronism and Comparison Between UAgraph and the Program Conop (2016) (0)
- A database of fossil occurrences in the Ordovician of Baltoscandia (2003) (0)
- Transgressive-Regressive Cycles and Benthic Foraminifera (2016) (0)
- Hydrocarbon Seepage during the Boreal Base Cretaceous Hot Shale Event (2014) (0)
- The UA Method and the UAgraph Program (2016) (0)
- Dürer’s Dirty Secret (2016) (0)
- Palaeontologia PAST: PALEONTOLOGICAL STATISTICS SOFTWARE PACKAGE FOR EDUCATION AND DATA ANALYSIS (0)
- The Jurassic of Svalbard, Sedimentology, Stratigraphy and Paleontology (2014) (0)
- The Spiral Zoo (2016) (0)
- Mimetic Dynamics (1998) (0)
- The origin of Telemarkites from the Mesoproterozoic of Telemark, Norway (2018) (0)
- Global carbon isotope signal in the Middle Triassic on Svalbard (2021) (0)
- Position and characteristics of sample sites (2013) (0)
- Treasures in the Mud (2016) (0)
- Section 10. Perspectives (2012) (0)
- A Bearded Man in a Bathtub (2016) (0)
- Coffee, Kepler and Crime (2016) (0)
- Precipitation dendrites in turbulent pipe flows (2013) (0)
- Linking warming, environmental changes, and volcanic ash falls from onset to recovery of the PETM: new insights from the island of Fur, Denmark (2018) (0)
- Table 3) Combined chemistry data from the different measurements done on the Oslofjord samples (2013) (0)
- The King of Snails (2016) (0)
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What Schools Are Affiliated With Øyvind Hammer?
Øyvind Hammer is affiliated with the following schools:
