321 results on '"Bjerrum, Christian J."'
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2. Comparing two ocean biogeochemical models of Chesapeake Bay with and without the sulfur cycle instead highlights the importance of particle sinking, burial, organic matter, nitrification and light attenuation
3. Petrographic carbon in ancient sediments constrains Proterozoic Era atmospheric oxygen levels
4. Late Triassic paleowinds from lacustrine wave ripple marks in the Fleming Fjord Group, central East Greenland
5. The modern phosphorus cycle informs interpretations of Mesoproterozoic Era phosphorus dynamics
6. Constructing a model including the cryptic sulfur cycle in Chesapeake Bay requires judicious choices for key processes and parameters
7. A Mesoproterozoic iron formation
8. Quantifying early marine diagenesis in shallow-water carbonate sediments
9. Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
10. A new correlation of Triassic–Jurassic boundary successions in NW Europe, Nevada and Peru, and the Central Atlantic Magmatic Province: A time-line for the end-Triassic mass extinction
11. Cold spells in the Nordic Seas during the early Eocene Greenhouse
12. REPLY TO PLANAVSKY ET AL. : Strong evidence for high atmospheric oxygen levels 1,400 million years ago
13. Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion
14. Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): Towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
15. Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): Towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
16. Constructing a model including the cryptic sulfur cycle in Chesapeake Bay requires judicious choices for key processes and parameters
17. Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project):Towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
18. Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion
19. Sufficient oxygen for animal respiration 1,400 million years ago
20. Orbital forcing of climate 1.4 billion years ago
21. Tracing euxinia by molybdenum concentrations in sediments using handheld X-ray fluorescence spectroscopy (HHXRF)
22. Towards a quantitative understanding of the late Neoproterozoic carbon cycle
23. Translating an open-ocean biogeochemistry code with cryptic sulfur cycling to Chesapeake Bay requires considering the impacts of burial, dissolved organic matter, and optics
24. The Ca and Mg isotope record of the Cryogenian Trezona carbon isotope excursion
25. No climate paradox under the faint early Sun
26. Redox element record shows that environmental perturbations associated with the t-oae were of longer duration than the carbon isotope record suggests – the aubach section, sw germany
27. Redox element record shows that environmental perturbations associated with the T-OAE were of longer duration than the carbon isotope record suggests – the Aubach section, SW Germany
28. The Ca and Mg isotope record of the Cryogenian Trezona carbon isotope excursion
29. Minimum levels of atmospheric oxygen from fossil tree roots imply new plant−oxygen feedback
30. Ocean productivity before about 1.9 Gyr ago limited by phosphorus adsorption onto iron oxides
31. Minimum levels of atmospheric oxygen from fossil tree roots imply new plant−oxygen feedback
32. Rosing, Bird, Sleep & Bjerrum reply
33. Development of Iron Speciation Reference Materials for Palaeoredox Analysis
34. Stratigraphically controlled silicification in Danian chalk and its implications for reservoir properties, southern Danish Central Graben
35. Timing environmental perturbations across the Cretaceous – Paleogene boundary in the Boreal Realm (N. Denmark)
36. Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event
37. An early diagenetic deglacial origin for basal Ediacaran “cap dolostones”
38. Cold spells in the Nordic Seas during the early Eocene Greenhouse
39. Stratigraphically controlled silicification in Danian chalk and its implications for reservoir properties, southern Danish Central Graben
40. Cold spells in the Nordic Seas during the early Eocene Greenhouse
41. Development of Iron Speciation Reference Materials for Palaeoredox Analysis
42. Tectonic controls on deposition of Middle Jurassic strata in a retroarc foreland basin, Utah-Idaho trough, western interior, United States
43. Paleoenvironmental proxies and what the Xiamaling Formation tells us about the mid‐Proterozoic ocean
44. An early diagenetic deglacial origin for basal Ediacaran “cap dolostones”
45. Paleoenvironmental proxies and what the Xiamaling Formation tells us about the mid-Proterozoic ocean
46. Disentangling the record of diagenesis, local redox conditions, and global seawater chemistry during the latest Ordovician glaciation
47. Sea level, climate, and ocean poisoning by sulfide all implicated in the first animal mass extinction
48. Bioturbation and directionality in Earth's carbon isotope record across the Neoproterozoic-Cambrian transition
49. Sea level, climate, and ocean poisoning by sulfide all implicated in the first animal mass extinction
50. A mesoproterozoic iron formation
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