Sentences with phrase «deep ocean cores»

Proxy records of sea level are preserved in a variety of marine and terrestrial settings, such as sediments and organisms in deep ocean cores or once - submerged shorelines, and uplifted fossil reefs.

Not exact matches

Just as an anchor plunges deep to the ocean floor to secure a ship, the scriptures pull people's minds deep into the core of their being to experience focused prayer.
Under slightly less pressure, the outer core — a 1,400 - mile - deep, 8,000 - degree ocean of iron and nickel — is still hot enough to be fluid.
Morgan asked the International Ocean Discovery Program (IODP), a global collaboration of marine research, for more than $ 100 million to collect six 2 - mile - deep cores from around the crater's center to better understand peak ring formation and the impact's environmental effects.
And so a team of marine sediment experts has set up shop on the Nathaniel B. Palmer, hoping to sink great hollow cores deep into the ocean off Antarctica.
Now, using two deep cores collected at two Ocean Drilling Program sites in the Southern Ocean, Jaccard and colleagues have reconstructed ocean records of productivity and vertical overturning reaching back a million years, through multiple glacial - interglacial cyOcean Drilling Program sites in the Southern Ocean, Jaccard and colleagues have reconstructed ocean records of productivity and vertical overturning reaching back a million years, through multiple glacial - interglacial cyOcean, Jaccard and colleagues have reconstructed ocean records of productivity and vertical overturning reaching back a million years, through multiple glacial - interglacial cyocean records of productivity and vertical overturning reaching back a million years, through multiple glacial - interglacial cycles.
Bierman and four colleagues — from UVM, Boston College, Lawrence Livermore Laboratory, and Imperial College London — studied deep cores of ocean - bottom mud containing bits of bedrock that eroded off of the east side of Greenland.
But much of what is known about this time period's climate comes from cores drilled deep in the ocean, Hren says.
The team believes a shallow global ocean, perhaps only a mile deep, lies between Enceladus» rocky core and its 30 - mile - thick icy crust.
The finding, in combination with evidence from previous studies, suggests that these molten regions deep below, near the core - mantle boundary of the Earth, may cause basaltic ocean island chains to form along the surface.
Analysing new data from marine sediment cores taken from the deep South Atlantic, between the southern tip of South America and the southern tip of Africa, the researchers discovered that during the last ice age, deep ocean currents in the South Atlantic varied essentially in unison with Greenland ice - core temperatures.
As for Dione, the new study finds it harbors a deep ocean between its crust and core.
The ocean is several tens of kilometers deep and surrounds a large rocky core.
Now, new evidence from a marine sediment core from the deep Pacific points to warmer ocean waters around Antarctica (in sync with the Milankovitch cycle)-- not greenhouse gases — as the culprit behind the thawing of the last ice age.
Most of Earth's magnetic field is generated deep within the outer core by an ocean of superheated molten iron.
Field observations of microbes recovered from deep drill cores, deep mines, and the ocean floor, coupled with laboratory investigations, reveal that microbial life can exist at conditions of extreme temperatures (to above 110ºC) and pressures (to > 10,000 atmospheres) previous thought impossible.
Furthermore, by knowing the mass of a planet from radial velocity measurements and the radius of a planet based on how much starlight it blocked, it is a simple calculation to determine a planet's density, which can tell astronomers whether that planet is rocky or gaseous in nature, or whether it has a small core and a thick atmosphere, or whether it has a large core covered in deep oceans.
However, foraminifera data are limited and difficult to obtain by deep - sea sediment coring, and the shells are not perfect proxies for ocean conditions.
About 104 stages of these cold and temperate cycles have been recognised in deep ocean marine sediment cores (Figure 1)[1].
Marine bacteria in deep Arctic and Antarctic ice cores: a proxy for evolution in oceans over 300 million generations.
Donnelly's team examined cores of sediment sampled from two of the salt pond's deepest points, searching for layers that were deposited when storms violently washed ocean sand into the 65 - acre waterway.
The ocean is several tens of kilometres deep and surrounds a large rocky core.
Station is (at it's core) a game about about an underwater expedition; taking place deep in the Arctic Ocean, it follows a survey crew sent by the ARC Corporation to search for exploitable natural resources... a survey crew that just stumbled upon something horrible.
The PSP - 2000 was made available in Piano Black, Ceramic White, Ice Silver, Mint Green, Felicia Blue, Lavender Purple, Deep Red, Matte Bronze, Metallic Blue and Rose Pink as standard colors (not all colors were available in all countries), and had several special edition colored and finished consoles for games including Final Fantasy VII: Crisis Core (Ice silver engraved), Star Ocean: First Departure (Felicia Blue engraved), Gundam (Red gloss / matte black), and Monster Hunter Freedom (Gold silkscreened) PSPs in Japan, Star Wars (Darth Vader silkscreened) and God of War: Chains of Olympus (Kratos silkscreened) PSPs in North America, a The Simpsons (bright yellow with white buttons, analog and UMD drawer) PSP in Australia and New Zealand, and Spider - Man (Red gloss / matte black), and Final Fantasy VII: Crisis Core (Ice silver engraved) PSPs in Europe.
Suppl., HR: 1340h AN: OS53B - 1101 Holocene Paleoceanography of the Chukchi Sea / Alaskan Margin, Western Arctic Ocean «A multi-proxy approach to the analysis of deep - sea sediment cores has been used to investigate paleoceanographical changes in the western Arctic.»
In my briefings to the Association of Small Island States in Bali, the 41 Island Nations of the Caribbean, Pacific, and Indian Ocean (and later circulated to all member states), I pointed out that IPCC had seriously and systematically UNDERESTIMATED the extent of climate change, showing that the sensitivity of temperature and sea level to CO2 clearly shown by the past climate record in coral reefs, ice cores, and deep sea sediments is orders of magnitude higher than IPCC's models.
SO just HOW can we justify that that the outflow in the computer MUST be less than inflow for the 250 years of the computer run, when clearly the daily temperature cycle will reestablish the equilibrium (at least for the atmosphere & ground — not sure about deep ocean equilibrium, BUT I also know that there is MUCH MUCH MORE energy stored in the Land (eg solid iron core of earth) than in the ocean & the GCMs do NOT address this either).
The competing theories are (there was / is no theory competition) are: 1) The «late veneer theory» (the late veneer theory is connected with the fossil fuel theory, where a tiny amount of CO2 is recycled in the upper mantle) vs / or 2) The deep core CH4 theory (See the late Nobel prize winnings, Astrophysics» Thomas Gold's book «Deep Hot Biosphere: The Myth of Fossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crude deep core CH4 theory (See the late Nobel prize winnings, Astrophysics» Thomas Gold's book «Deep Hot Biosphere: The Myth of Fossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crude Deep Hot Biosphere: The Myth of Fossil Fuels», where there is a large continuous input of CH4 and CO2 into the biosphere from CH4 that is extrude from the core of the earth as it solidifies, which explains Humlum et al's CO2 phase analysis result paradox and roughly 50 different geological paradoxes / anomalies) as to the origin of the earth's atmosphere, oceans, and «natural» gas / crude oil.
While part of the tidal energy is dissipated on the coasts, another part turns into the circumpolar current and is ultimitely dissipated on the ocean floor, and that current could be reduced or eliminated if the Strait of Magellan froze deep, reducing the rate of deceleration and allowing the core to catch up a little (in its deceleration).
Avery also disputes the scientific consensus on global warming, ascribing the warming to «sunspots,» purportedly based on information about ice cores and deep ocean sediment deposits.
Loutre and Berger's 2002/3 papers were soon followed by another landmark paper by Lisieki and Raymo (Paleoceanography, 2005), an exhaustive look at 57 globally distributed deep Ocean Drilling Project (and other) cores (paywalled here: http://onlinelibrary.wiley.com/doi/10.1029/2004PA001071/full):
If the earth core is somewhere in the 5,000 to 10,000 deg C range; and the surface / lower troposphere is 15 deg C; and you say that the deep oceans are at 4 deg C; and are sucking in «heat» from the warm surface waters; where the hell is all that heat piling up down there.
A few additions: — While coastal ice cores reflect the temperatures of the nearby Southern Ocean (via dD and d18O proxies), the deep inland, high altitude, ice cores of Vostok and Epica Dome C reflect the ocean temperatures for near the wholOcean (via dD and d18O proxies), the deep inland, high altitude, ice cores of Vostok and Epica Dome C reflect the ocean temperatures for near the wholocean temperatures for near the whole SH.
The principal dataset we use is the temporal variation of the oxygen isotope ratio (δ18O relative to δ16O; figure 1a right - hand scale) in the shells of deep - ocean - dwelling microscopic shelled animals (foraminifera) in a near - global compilation of ocean sediment cores [4].
The temporal variation of the GHG plus surface albedo climate forcing closely mimics the temporal variation of either the deep ocean temperature (figure 6) or Antarctic temperature [5,31] for the entire 800000 years of polar ice core data.
This paper, cosignated by Bard as last author, seems to be the paper too much, too much, trop trop trop for him; it has a smell of pine tree (or coffin) as that of the «scientific» carrier of M.Mann It looks a bit bizarre to me that it would be revolutionnary that temperatures of Northern Atlantic and tropical environments do not lag that of polar environments and ice, while the sun irradiates more the poles to the detriment of tropical latitudes; really, as long, as they do not demonstrate that CO2 does not lag temperature in ice cores, there is nothing new; and if they do, we are waiting for the explanations of vice président Jouzel to find the source of CO2 before the deep polar oceans started to moove
Reconstruction of millennial changes in dust emission, transport and regional sea ice coverage using the deep EPICA ice cores fromthe Atlantic and Indian Ocean sector of Antarctica.
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