 | | Journal (article/letter/editorial) | | discharge to the Arctic Ocean is among the most important parameters influencing Arctic climate. It is...is clear that the evaluation of Arctic paleoclimate requires information on the paleodischarge of major...of river water into the Arctic Ocean. During the investigation of the Kara Sea in the framework of the...glacioisostatic movements in the marginal region of the former Kara ice sheet of late Valdai age on the cessation of...1134/S0016702907060079 INTRODUCTION The investigation of Arctic climate has long established four key processes |  | | Journal (article/letter/editorial) | | processes associated with the transition of opalA to opalCT. It is found that, generally, the rate of...resulted in a gradual sea level falling in the Arctic Ocean isolated from the World Ocean. This fact probably...Basin (Fig. 1a) was formed in the Cenozoic due to sea floor spreading. The thickness of sediments accumulated...trough at the continentāocean transition in the northern part of the Laptev Sea. The goal of the present...time, the Research Institute of Geology of the Arctic, NIIGA); by the Polar Marine Geological Expe |  | | Journal (article/letter/editorial) | | of Recent and Quaternary Sedimentation in the Arctic Ocean M. A. Levitan, K. V. Syromyatnikov, and T. G...some problems concerning the geologic activity of sea ice and icebergs, as well as the influence of continental...shelf glaciations on the sedimentation in the Arctic Ocean during Recent and Quaternary times. Seasonal...Quaternary sediments. Keywords: Arctic Ocean, modern sedimentation, sea ice, iceberg, cryosol, Quaternary...continental blocks were used by Lisitsyn [5] for the Ocean. This concerned also the glacial type of lithogenesis |  | | Journal (article/letter/editorial) | | variability and deglacial/Holocene change of central Arctic Ocean sea-ice cover: New insights from biomarker proxy...reconstruction of sea-ice variability, a biomarker approach which is based on (1) the determination of sea-ice diatom-speciļ¬c...central Arctic Ocean at water depth of 150 m and 1550 m and recording the seasonal variability of sea ice...1995/1996. These data indicate a predominantly permanent sea ice cover at the trap location between November 1995...situation with increased phytoplankton productivity and sea-ice algae input in July/ August 1996, and the start |  | | Journal (article/letter/editorial) | | 14, 2012 Pliocene palaeoceanography of the Arctic Ocean and subarctic seas Jens Matthiessen, Jochen...2008 REVIEW Pliocene palaeoceanography of the Arctic Ocean and subarctic seas B Y J ENS M ATTHIESSEN 1...glaciations on the circum-Arctic continents between 3.6 and 2.4 Ma. Since the Arctic Ocean is an almost land-locked... tectonic activity and sea-level ļ¬uctuations controlled the geometry of ocean gateways and continental...circulation and water mass characteristics in the Arctic Ocean. The effect of a water mass exchange restricted |  | | Journal (article/letter/editorial) | | variability of iron deposition in the Central Arctic Ocean (southern Mendeleev Ridge) over the last 130...Keywords: Arctic Ocean Sediments Extraction Fe (oxyhydr)oxides Sheet silicate-bound Fe Arctic Mn layers...features in Quaternary sediments of the central Arctic Ocean, but their paleoenvironmental signiļ¬cance is...a combination of enhanced Mn and Fe input from Arctic rivers and/or the erosion of shelf deposits, coupled...export during ice-free conditions in the Central Arctic Ocean. Consequently, the studied metal (oxyhydr)oxide-rich |  | | Journal (article/letter/editorial) | | GEOGRAPHICAL NOTES. 39 Explorations in the Kara Sea.āAccording to the Journal de-St. PĆ©tersbourg the...exploring the maritime route to Siberia through the Arctic Ocean, has recently returned to St. Petersburg. It...survey of the banks of the Kara Sea from the Yougorski-Schar to the river Kara. In exploring the Vaigatch...proved that the great depths shown on maps of the Kara Sea are inaccurate. Captain Warnek has also measured...Channel. It is said that the exploration of the Kara Sea will be continued next year, and will probably |  | | Journal (article/letter/editorial) | | bottom water redox conditions in the Central Arctic Ocean (IODP Expedition 302) Christian MƤrz a,ā, Christoph...online 4 October 2011 Editor: P. DeMenocal Keywords: arctic geochemistry mineralogy trace metals Ce anomaly...r a c t In 2004, Integrated Ocean Drilling Program Expedition 302 (Arctic Coring Expedition, ACEX) to...the Lomonosov Ridge drilled the ļ¬rst Central Arctic Ocean sediment record reaching the uppermost Cretaceous...the Arctic trace metal pool was renewed continuously by water mass exchange with the world ocean, so |  | | Journal (article/letter/editorial) | | formed in a deeper-water environment of the shallow sea. Further, both Pb isotopic data and chemical discrimination...Ukraine, and south along the west side of the Black Sea into Bulgaria (Fig. 1). This belt contains the largest...centers, together with manganocalcite, rhodochrosite, opal, and ferrous montmorillonite. 3. SAMPLES AND ANALYTICAL... around Elazig, Turkey, Mn:Fe = ~1 for modern deep-ocean hydrogenetic deposits (varies from ~0.5-2 for modern...to Pacific Ocean, Atlantic Ocean, and Southern Ocean seawater, Pacific and Southern Ocean Deep Waters |  | | Journal (article/letter/editorial) | | Rise and the Continental Slope of the East Siberian Sea M. A. Levitana, K. V. Syromyatnikova, I. A. Roshchinaa...analysis for the region of the Mendeleev Rise (Arctic Ocean). The contributions of sedimentation and diagenetic...chemical composition, color, bottom sediments, Arctic Ocean, glaciations, interglacial periods, diagenesis...1134/S0016702914030045 INTRODUCTION It is known that the Arctic Ocean comprises wide spread horizontally bedded sequences...evidence on the geochemistry of diagenesis in the Arctic Ocean [11, 12]. Nonetheless, it is very likely that |  | | Journal (article/letter/editorial) | | branched GDGTs are likely transported to the coastal ocean via rivers (e.g., Kim et al., 2007; De Jonge et...and Polyak (2009) found branched GDGTs in central Arctic sediments, which was attributed to ice transportation...branched GDGTs in dust samples in the Atlantic Ocean, which was likely transported from Northwest Africa...knowledge of the abundance of branched GDGTs in the ocean water column and offshore marine sediments is...Organic carbon, calcium carbonate, and biogenic opal fluxes began to increase in February/early March |  | Demina, Liudmila L., Dara, Olga, Aliev, Ramiz, Alekseeva, Tatiana, Budko, Dmitry, Novichkova, Ekaterina, Politova, Nadezhda, Solomatina, Aleksandra, Bulokhov, Anton (2020) Elemental and Mineral Composition of the Barents Sea Recent and Late PleistoceneāHolocene Sediments: A Correlation with Environmental Conditions. Minerals, 10 (7) 593 doi:10.3390/min10070593 | Journal (article/letter/editorial) | | Elemental and Mineral Composition of the Barents Sea Recent and Late PleistoceneāHolocene Sediments: A...of sediments from different areas of the Barents Sea was performed. Sediment cores were sampled in the...concentration growth in bottom water. Keywords: Barents Sea; sediment cores; radionuclides; grain-size and mineral...trace elements; proxies 1. Introduction The Barents Sea is one of the key areas for investigating the post-glacial...into the Arctic is almost completed, while an interaction of the Barents Sea and the Arctic waters takes |  | Bonatti, Enrico, Fisher, D.E., Joensuu, Oiva, Rydell, H.S. (1971) Postdepositional mobility of some transition elements, phosphorus, uranium and thorium in deep sea sediments. Geochimica et Cosmochimica Acta, 35 (2) 189-201 doi:10.1016/0016-7037(71)90057-3 | Journal (article/letter/editorial) | | elements, phosphorus, uranium and thorium in deep sea sediments ENRICO BONATTI, D. E. FISHER, OIVA JOENSUU...accepted in revised form 22 September 1970) Ah&act-Deep sea hemipelagic sediments from the east Pacific show...of elements in deep sea sediments are: (1) The average elemental content of deep sea sediment, generally...postdepositional mobility of Mn, Ni and Co. INTRODUCTION DEEP sea sediment cores from various hemipelagic environments...1960); Baltic Sea (Manheim, 1965); Arctic Sea (LI et aE., 1969); Barentz and Kara Sea (BRUJEVICZ, 1938) |  | | Journal (article/letter/editorial) | | coldclimate shelves and estuaries, and in deeper ocean basins (Pauly 1963; Suess et al. 1982; Kennedy et...hedgehogs, jarrowite, opal pineapples, pseudogaylussite, thinolite, and White Sea hornlets, have also ...include Mars, where an ancient, cold, alkali-rich ocean is postulated to have been conducive to the formation...California Mono Lake, California Arctic Canada Arctic Canada Arctic Canada Arctic Alaska Hokkaido Island, Japan...England Sea of Othotsk Sea of Othotsk Sea of Othotsk Sea of Othotsk Sea of Othotsk Sea of Othotsk Sea of Othotsk |  | Levitan, M. A., Alekseev, A. S., Badulina, N. V., Girin, Yu. P., Kopaevich, L. F., Kubrakova, I. V., Tyutyunnik, O. A., Chudetsky, M. Yu. (2010) Geochemistry of Cenomanian/Turonian boundary sediments in the mountainous part of Crimea and the northwestern Caucasus. Geochemistry International, 48 (6) 534-554 doi:10.1134/s0016702910060029 | Journal (article/letter/editorial) | | northern, and eastern Europe; in the Atlantic Ocean; Western Africa; Central America and the northern...of India; the Naturalist Plateau in the Indian Ocean; and the Pacific region. In the eastern part of...OF CENOMANIAN/TURONIAN BOUNDARY SEDIMENTS 535 Sea of Azov Crimea K32 Aksu Dere Selbukhra Belaya Sevastopol...Sevastopol Novorossiisk Krasnodar Caucasus K35 Black Sea Fig. 1. Sampling sites of the examined CenomanianāTuronian...to the basins of the Black Sea and the eastern part of the Mediterranean Sea. It is often believed that |  | Belt, Simon T., Smik, Lukas, KƶseoÄlu, Denizcan, Knies, Jochen, Husum, Katrine (2019) A novel biomarker-based proxy for the spring phytoplankton bloom in Arctic and sub-arctic settings ā HBI T25. Earth and Planetary Science Letters, 523. 115703 doi:10.1016/j.epsl.2019.06.038 | Journal (article/letter/editorial) | | proxy for the spring phytoplankton bloom in Arctic and sub-arctic settings ā HBI T25 Simon T. Belt a,ā , Lukas...Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geosciences, UiT The Arctic University...Keywords: spring bloom phytoplankton proxy HBI diatoms Arctic a b s t r a c t The spring phytoplankton bloom...distributions in surface sediments from the Barents Sea and neighbouring regions with a range of oceanographic...proxy-based reconstructions, including estimates of past sea ice cover, which is well-known to inļ¬uence primary |  | | Journal (article/letter/editorial) | | samples from the Atlantic, Southern, Pacific, and Arctic Oceans. The results reveal, for the first time...from the Atlantic (ā¼0.3 nmol/kg) to the Pacific Ocean (ā¼0.9 nmol/kg). This indicates that the biomass...biomass, which is remineralized in the deeper ocean, is also characterized by a very constant Cd isotope composition...from four major ocean basins and depth profiles from the North Pacific and Arctic Ocean display large and...profiles collected in the North Pacific and in the Arctic Ocean, and additional surface and deep-water samples |  | OliviĆ©-Lauquet, Gwenaelle, Allard, Thierry, Bertaux, Jacques, Muller, Jean-Pierre (2000) Crystal chemistry of suspended matter in a tropical hydrosystem, Nyong basin (Cameroon, Africa) Chemical Geology, 170 (1) 113-131 doi:10.1016/s0009-2541(99)00244-2 | Journal (article/letter/editorial) | | phytoliths and diatom frustules composed of biogenic opal. In the colloidal fraction, complexation of Fe 3q...are characteristic of polymerised SiO 2 , such as opal ŽGraetsch et al., 1994.. Such bands are also present...various shapes ŽFig. 6B.. These particles Žcomposed of opal. explain the amorphous pattern observed by XRD on...particulate fraction, Si is then mainly in biogenic opal andror quartz. In the colloidal fractions of clear...are observed in the colloidal fraction, except for opal which may have been artificially precipitated Žsee |  | | Report (volume) | | (geogenesis) Continental drift (Includes plate tectonics, sea-floor spreading, and subduction zones) 311.1 Conferences...Diamonds 482 Sapphires 483 Rubies 483.5 Emeralds 484 Opal, garnet 485 Agate 486 Jade 20 490 487 Tourmaline...02 Oceanographic instrumentation 530.1 Atlantic Ocean, North and Baltic Seas 530.2 Mediterranean and Black...Gulf of Mexico and Caribbean Sea 530.4 South Atlantic Ocean 530.5 Pacific Ocean 530.6 Eastern Pacific and...530.7 Indian Ocean, Bay of Bengal, and Red Sea 530.8 Arctic Ocean 530.9 Antarctic Ocean Ocean currents Tides |  | | Report (chapter) | | any area of sea floor is controlled by the primary production rate in the surface ocean and the depth...marine deposits. The modern sediments of the Black Sea, a widely-used analogue of the environment of black...in areas where the oxygen minimum intersects the sea floor is shown to be one of coincidence and understandable...black shales recovered by drilling in the deep ocean areas, in oceanic oxygen minima. The prevailing...organic matter in the ocean Primary organic production by photosynthesis in the ocean is limited by nutrient |  | | Report (issue) | | the United Nations Convention on the Law of the Sea Technical Study No. 5 NonāLiving resources of the...the United Nations Convention on the Law of the Sea PAGE | II A GEOLOGICAL MODEL OF POLYMETALLIC NODULE...in the ClarionāClipperton Fracture Zone, Pacific Oceanā. ISA TECHNICAL STUDY: NO. 6 International Seabed...communities and bacterial processes after they reach the sea floor, processes that remove the organic materials...of PaleoāPleistocene and Late Miocene ages. The ocean floor is a hilly plain ā plateau, crossed by a strictly |  | Rudmin, Maxim, Ruban, Aleksey, Savichev, Oleg, Mazurov, Aleksey, Dauletova, Aigerim, Savinova, Olesya (2018) Authigenic and Detrital Minerals in Peat Environment of Vasyugan Swamp, Western Siberia. Minerals, 8 (11) 500 doi:10.3390/min8110500 | Journal (article/letter/editorial) | | jarosite), iron oxides (goethite), aragonite, calcite, opal-A, halite, etc. [3,7,9,10,13ā16]. To date, there...Bakchar to the river Chaya to the river Ob to the Kara Sea). The peat deposit (or peat layer, peat sediments...described for the bottom sediments within the Nile deep-sea fan [33] with fixed methane emissions through these...pockmarks of the Nile deep-sea fan (eastern Mediterranean Sea). Deep Sea Res. Part II Top. Stud. Oceanogr...barite: Recorder of variations in ocean export productivity. Deep Sea Res. Part II Top. Stud. Oceanogr |  | | Journal (article/letter/editorial) | | difference between two systems is that in the Black Sea polysulfides are not in the equilibrium with particulate...most abundant polysulfide species. In the Baltic Sea polysulfides are close to the equilibrium with particulate...Many ocean island basalts (OIBs) show variable 3He/4He ratios higher than those of MORBs (Mid-ocean ridge...we have developed a tank simulating the Archean ocean in which the strains grow in continuous culture...Neoproterozoic carbonates: An isotopic archive of ocean acidification? A comparative analysis of gas hydrates |  | | Journal (article/letter/editorial) | | trap deployments from the Eastern Mediterranean Sea. Data clearly reveal Rayleigh type isotope fractionation...distinctive isotopic signatures for diļ¬erent N-pools: deep sea nitrate has a d15N of 5& (Sigman et al., 2000),...highly volatile and as remineralization in deep sea sediments can proceed over millennia. Prokopenko...early diagenesis. In suspended matter 423 from sea surface (which should correspond to freshly primary...in the S1 sapropel in the Eastern Mediterranean Sea. Sapropels are organic-rich sediment layers that |  | | Journal (article/letter/editorial) | | are supported by observations in the modern Black Sea, Orca Basin, and Eļ¬ngham Inlet. FeT/Al ratios are...Such dilution eļ¬ects are well expressed in Black Sea basinal turbidites and rapidly accumulating muds...(shelf) to sink (ocean basin) areal ratio, suggesting that iron proxies can also record ocean-scale paleoenvironmental...redox shuttle model. As for the iron data, the Black Sea, Orca Basin, and Eļ¬ngham Inlet show enrichments in...and scavenging and burial in the basin. The Black Sea data reveal iron and manganese enrichment across |
|
