Sentences with phrase «ocean basins at»

Even similar environments, such as distinct ocean basins at similar latitudes, can harbour very different microbial species.

Although global ocean temperatures are rising, a layer of fresher water immediately below the sea ice is thought to act as a buffer between the ice and the warmer Atlantic waters flowing into the Arctic Ocean basin at a lower level.

Not exact matches

Álvaro Corral of the Centre for Mathematical Research in Barcelona, Spain, and colleagues looked at records of hurricanes from four ocean basins around the world between 1966 and 2007.

«Numerous changes in climate have been observed at the scales of continents or ocean basins.

«Though humpback whales are found in all oceans of the world, the North Pacific humpback whales should probably be considered a sub-species at an ocean - basin level — based on genetic isolation of these populations on an evolutionary time scale,» said Scott Baker, associate director of the Marine Mammal Institute at Oregon State University's Hatfield Marine Science Center and lead author on the paper.

Monash University geoscientist Associate Professor Wouter Schellart, and his colleague Professor Wim Spakman from Utrecht University, have discovered how the floor of an entire ocean basin that was destroyed 70 to 50 million years ago off the North coast of New Guinea is currently located at 800 - 1200 km depth below Central and South - eastern Australia.

Using supercomputers, the researchers found that this dense piece of ocean floor material (called a lithospheric slab) is slowly sinking into the Earth's mantle and is responsible for the formation of the Lake Eyre Basin, one of the Earth's largest internally drained basins and home to the lowest point in Australia at 15m below sea level, as well as the Murray - Darling Basin, home to the largest river system in Australia.

At a first glance, the Witwatersrand basin, the largest known gold resource on our planet, is not automatically related to ocean research.

The new find confirms that the ancient lavas formed at midocean ridges and found throughout deep ocean basins are by volume the largest ecosystem on Earth, scientists say.

Each December, six months before the start of hurricane season, the now 75 - year - old Gray and his team issue a long - range prediction of the number of major tropical storms that will arise in the Atlantic Ocean basin, as well as the number of hurricanes (with sustained winds of 74 miles per hour or more) and intense hurricanes (with winds of at least 111 mph).

The upper part of the modern Arctic Ocean is flushed by North Atlantic currents while the Arctic's deep basins are flushed by salty currents formed during sea ice formation at the surface.

Warming occurs at most latitudes in all three of the ocean basins.

In both ocean basins, nesting abundances at local beaches may vary by an order of magnitude.

The LAB coordinates the international LIDO (http://listentothedeep.com) programme that monitors ocean noise at basin and regional scales and offers services to the offshore industries through its spinoff company SONSETC.com.

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The model also shows that the presence of seafloor anoxia, as suggested by black - shale deposition in the proto - North Atlantic Ocean before the event, might be the result of the silled shape and lack of deep - water formation of this basin at the Late Cretaceous.

# 8220; This multi-year Pacific Decadal Oscillation «cool» trend can intensify La Niña or diminish El Niño impacts around the Pacific basin,» said Bill Patzert, an oceanographer and climatologist at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «The persistence of this large - scale pattern [in 2008] tells us there is much more than an isolated La Niña occurring in the Pacific Ocean.»

I agree the OHC data are incompatible with a predominately internal contribution (although I'm sure Judith would argue those data are too uncertain, though I don't think anyone has argued OHC decreasing over the last half - century, at least not at the ocean basins / depths that communicate with the atmosphere on the relevant timescales).

At some places there would be heating of the ocean, in other places, cooling of the ocean (generally, the cooling goes on at high latitudes, warming in the tropics, but there is a lot of variation associated with the shape of the basins, the thermohaline circulation etc.At some places there would be heating of the ocean, in other places, cooling of the ocean (generally, the cooling goes on at high latitudes, warming in the tropics, but there is a lot of variation associated with the shape of the basins, the thermohaline circulation etc.at high latitudes, warming in the tropics, but there is a lot of variation associated with the shape of the basins, the thermohaline circulation etc.).

2) the Antarctic ice forms at the margins of a largely glaciated continent surrounded by a powerful circular ocean current, whereas the Arctic ice forms at the margins of a ocean basin largely surrounded by continental landmasses; and that

Steffen et al concede that «not all Earth system processes included in the PB have singular thresholds at the global / continental / ocean basin level.»

They observe an accumulation of fresh water in the entire column of the sub-polar ocean basins, especially at intermediate depths.

These are large rotating masses of water, in each ocean basin, where ocean currents converge at their centre and are forced downwards, taking warm surface water with them.

The massive water system is thought to stretch for 3,700 miles across the Amazon basin with an average width of about 200 miles, flowing west to east into the Atlantic Ocean at a rate of 350 feet a year.

The best example I know tis the ~ 3.75 year Rossby / Kelvin wave in the North Pacific, for which that ocean basin is resonant at that period.

Looking at each ocean basin, and the global data, the long - term variations for the three depths in each basin are basically the same, as are the variations in the global data for the three depths.

100 years of 0.5 W / m2 energy imbalance can only raise ocean basin temperature 0.2 C which can not raise air temperature more than 0.2 C. Temperature rise can be temporarily higher in the ocean's surface if energy is being added faster at the surface than it can diffuse downward to the ocean floor.

Ocean basin temperature, according to best Bedwetter Bandwagon estimate of energy imbalance at top of atmosphere, is only going to rise by 0.2 C over the next century.

So this idea of circa 75y repetition with a harmonic at half that, plus 60y repetition in Atlantic may characterise those ocean basins.

At high latitudes, they sink deep into the ocean basins.

The resulting Common Water, also called Antarctic Circumpolar water, flows northward at depth into the three ocean basins (primarily the Pacific and Indian Oceans).

We show that the influx of water into the volume created by this subsidence produces a sea - level fall at locations distant from these margins — indeed over the major ocean basins — that is comparable in amplitude to the syphoning mechanism isolated by Mitrovica and Peltier (1991).»

They argued that water migrated away from far - field equatorial ocean basins in order to fill space vacated by collapsing forebulges at the periphery of previously glaciated regions.

At issue are the potential hydraulic connections between glacial Lake Agassiz and the Atlantic Ocean during, and after, the Younger Dryas, because a readvance would fill the western Superior basin with ice and prohibit eastern Lake Agassiz drainage.

The Antarctic ice sheet reached the coastline for the first time at ca. 33.6 Ma and became a driver of Antarctic circulation, which in turn affected global climate, causing increased latitudinal thermal gradients and a «spinning up» of the oceans that resulted in: (1) increased thermohaline circulation and erosional pulses of Northern Component Water and Antarctic Bottom Water; (2) increased deep - basin ventilation, which caused a decrease in oceanic residence time, a decrease in deep - ocean acidity, and a deepening of the calcite compensation depth (CCD); and (3) increased diatom diversity due to intensified upwelling.

I don't take exception with what you're saying about warming, etc, but that limits the dynamics that could be at play, including changes in the ocean basins, tectonics, etc..

The recent papers looking at ocean ingress into the basin is also a worry when we look at the SST's of those waters in Fram and Bering.

However the additional over burden of water, fresh and salt to each part of any ocean or extremely large body of water causes the deflection of the bottom of that basin to some extant as well as presenting as a rise in seal level at that area.

In all of the world's ocean basins, the warming predicted by the models for the upper 700 meters (2,300 feet) of the ocean corresponded to actual measurements obtained at sea, with confidence exceeding 95 percent... The immediate conclusion is that human influences are largely responsible for the warming signal,» the authors write.

States that a significant increase in salinity has been observed in recent decades in the 20N — 50N latitude band of the Atlantic ocean, although changes at sub ‐ polar latitudes of the Atlantic, and in other ocean basins, are not found to be significant compared to modeled internal variability

Runoff is collected over geographically realistic river basins and mixed into the ocean at the appropriate river mouths.

My understanding of Richard Seager's point is that even without a Gulf - Stream - like current, the eastern side of middle latitude ocean basins will be warmer than their western flanks and continental Europe would be warmer than North America at the same latitude.

I'm overdue for another SST model - data comparison, but looking at the most recent one, the only ocean basins that are «cooperating» with the models are the North Atlantic and the Arctic: http://bobtisdale.wordpress.com/2013/02/28/cmip5-model-data-comparison-satellite-era-sea-surface-temperature-anomalies/

This will only warm the entire ocean basin, if it's sustained at that level, by 0.2 C / century.

Coastal marine fog, a characteristic feature of climates generated at the eastern boundaries of ocean basins worldwide, evokes different feelings in those who experience it (see Figure 1).

That's how unlikely it is that six different ocean basins would have these increases in hurricane intensity at the same time unless there is some common cause.

After in fact stating the rising trend in Hurricane frequency in the Indian ocean Hoarau asks at the end of the article if there is a connection between global warming and the growing number of tropical cyclones in various ocean basins.

This implies that at some point within the next decade, there is the risk that the intensity of North Atlantic hurricanes could increase rapidly to the global average (with possibly a concurrent decrease in another ocean basin).

I am looking at ARGO data for the Indian Ocean basin.