Sentences with phrase «past water oceans»

But although some evidence points to past water oceans on Mars, only small amounts of carbonates have been found there — in Martian meteorites that landed on Earth and in atmospheric dust and bright soils on the planet.

Not exact matches

4) If we took ALL the water from the oceans, ALL the water from the ice, ALL the water contained in the atmosphere and ALL the water from the rocks (which has actually happened in the past), it STILL doesn't flood the Earth.

Co-author Dr Gerhard Kuhn, from the Alfred Wegener Institute in Germany, says: «Our results provide evidence that in the past WAIS retreat was also predominantly caused by melting through warm ocean water.

For example, the Antarctic icefish, a pale, near - transparent inhabitant of the frigid South Atlantic Ocean, has not only lost its ancestors» power to make oxygen - binding red hemoglobin (which it does not need in the cold oxygen - rich waters) but the two genes that code for hemoglobin have also gone extinct: one has disappeared, and the other remains as a non-coding «molecular fossil,» a useless remnant that hints at past use but still resides in the icefish DNA.

«While advances in science and technology and improved safety practices have significantly reduced the threat of oil spills in Canadian waters over the past few decades, much about the fate, environmental impacts and remediation of oil spills remain poorly understood,» said Kenneth Lee, the director of Oceans and Atmosphere, Commonwealth Scientific and Industrial Research Organization, Perth, Western Australia and chair of the seven - member panel.

«In the past, engineers have tended to make decisions as though every flood has just a single cause, for example unusually heavy rainfall or an extreme ocean water level,» says Dr Seth Westra, Senior Lecturer in the School of Civil, Environmental and Mining Engineering.

Ricke said: «Our results show that if we continue on our current emissions path, by the end of the century there will be no water left in the ocean with the chemical properties that have supported coral reef growth in the past.

Chemical signatures of the ocean water the organisms lived in are locked into the composition of their shells, and researchers can analyze them for evidence of past water temperatures and other oceanographic conditions.

The oceans will boil away and the atmosphere will dry out as water vapor leaks into space, and temperatures will soar past 700 degrees Fahrenheit, all of which will transform our planet into a Venusian hell - scape choked with thick clouds of sulfur and carbon dioxide.

This line marks a deep ocean channel that remained water - filled even during past ice ages, when sea levels saw channels between other islands in the region dry out.

Grant's study this past spring noted that pollution levels at Huntington Beach were consistently higher at high tide, and rain has long been considered a good predictor of troubled ocean waters.

Some scientists believe the dwarf planet harbored a subsurface ocean in the past and liquid water may still be lurking under its icy mantle.

If these glaciers retreat at a similar rate to what they did in the past decade, 30 of them would disconnect from warm ocean waters by the end of the century with that kind of travel distance, it says.

During the past 11,000 years, wind patterns have pushed warm waters from the deep ocean onto Antarctica's continental shelf

Gerhard Kuhn, co-author of the study, said, «Our results provide evidence that in the past, [West Antarctic Ice Sheet -RCB- retreat was also predominantly caused by melting through warm ocean water.»

The findings, published yesterday in the journal Nature, show that during the past 11,000 years, wind patterns have driven relatively warm waters from the deep ocean onto Antarctica's continental shelf, leading to significant and sustained ice loss.

Antarctic linkages to the deep water flow variability during the past 95000 years in the Indian sector ofthe Southern Ocean M C Manoj, Meloth Thamban, Rahul Mohan

«These results will have wider reaching implications, such as how we map the circulation of the world's oceans in the past, which are affected by how quickly the sea floor is moving up and down and blocking the path of water currents,» said Hoggard.

As to how a freshwater turtle migrated across a salty ocean; Tarduno points to the results of drilling by the Integrated Ocean Drilling Program's ACEX expedition that demonstrated episodes of unusually fresh surface waters in the past Arctic Oocean; Tarduno points to the results of drilling by the Integrated Ocean Drilling Program's ACEX expedition that demonstrated episodes of unusually fresh surface waters in the past Arctic OOcean Drilling Program's ACEX expedition that demonstrated episodes of unusually fresh surface waters in the past Arctic OceanOcean.

The research published in Nature Communications found that in the past, when ocean temperatures around Antarctica became more layered - with a warm layer of water below a cold surface layer - ice sheets and glaciers melted much faster than when the cool and warm layers mixed more easily.

South of Spitzbergen, the oceans have been ice free the past 2 winters, reason being, the warm waters from the Gulf Stream are travelling further north, and closer to the ocean surface, only 25 meters at the last measurement, The ocean temperature has been +2 C instead of -2 C.

-LSB-...] with hypotheses including that of a possible shared atmosphere between Pluto and Charon, to the possible existence of past liquid water oceans inside Charon billions of years ago.

Although many scientists believe that Venus may once have had oceans of water on its surface (in part because its ratio of deuterium to ordinary hydrogen is now measured to be around 150 times that of the Earth's), most of it has been lost the past five billion years.

If such findings were indeed to be uncovered on Charon, they would provide strong evidence for the existence of past liquid water oceans on the interior of the faraway frigid moon.

Tina van de Flierdt from the Department of Earth Science and Engineering at Imperial College London is an international leader in the use of geochemical proxies — particularly neodymium (Nd)-- for reconstructing past ocean circulation, water masses and weathering.

Between the evidence of past flowing water on Mars, Titan's hydrocarbon lakes, Europa's underground ocean, and Enceladus, it seems increasingly probable we'll find life somewhere else in the solar system.

While we see evidence of a 8 - 10 km deep ocean on Enceladus today, in the past the water supply might have been many more kilometers deep, or many less.

Detection of tremolite, a mineral created in the presence of water, could be used to ascertain how long any Venusian oceans lasted as a habitat for Earth - type life over the past 4.6 billion years of planetary history (more).

The deposits were formed over hundreds of thousands of years in the past, when the sea level was much lower and areas now under the ocean were exposed to rainfall which was absorbed into the underlying water table.

Scientists think that, in the past, water may have flowed across the surface in rivers and streams, and that vast oceans covered the planet.

It's a spectacular piece of work, from director James Cameron's plotting of the story between past and present (though not his direction of Billy Zane) to the stunning execution of the ship's slow descent into the frigid waters of the Atlantic Ocean.

Created some 250 million years ago by the power of water when this land was covered by the ocean, this makhtesh, the largest in the world, is a geological wonder which is a window into the past.

Above all else, however, Waikiki is about the water and there are numerous ocean activities where you can try some of the sports that have made Waikiki famous for the past 100 + years.

Competitors enjoy a 1.5 km ocean swim in the crystal clear, tranquil waters of Byron Bay; a 40 km cycle past cane fields, rainforest, coastal bush and the gently rolling farmland of Northern NSW; then they top it off with a run through the streets, under the picturesque Byron Bay Lighthouse.

Just past the edge of the coral reef system, water depths change drastically from fifty to seventy - thousand feet, introducing a wide array of ocean life and some of the best fishing on the planet.

To the west of Port Hardy past Nigei and Hope Islands is the Queen Charlotte Strait and the open waters of the Pacific Ocean.

Just past Apollo Bay, off the world famous Great Ocean Road, Marengo Reefs Marine Sanctuary protects 12ha of ocean waOcean Road, Marengo Reefs Marine Sanctuary protects 12ha of ocean waocean waters.

Along with her team of accredited instructors, Nancy and her surf coaches will teach you how to surf, the basics of form and technique, as well as water safety, ocean awareness, wave conditions and surf etiquette in the one simple surfing lesson that has set past champions on their path to success.

Even if we didn't I was still excited to get out on the water and motor out past the rugged Pacific coastline and fisherman to the open ocean.

Real scientists (as opposed to climate modellers) have long maintained that the decline in Arctic ice is caused not by warmer air — in the past year or two Arctic air temperatures have actually been falling — but by shifts in major ocean currents, pushing warmer water up into the Arctic Circle.

11) In Pacific Ocean Heat Content During The Past 10,000 Years Rosenthal 2013 found Pacific water masses that were ~ 0.65 ° warmer than in recent decades.

In Pacific Ocean Heat Content During The Past 10,000 Years Rosenthal 2013 found Pacific water masses that were ~ 0.65 ° warmer than in recent decades.

He gained widest fame for his warning, derived from studies of past climate fluctuations, that great flows of fresh water from melting ice sheets could disrupt Atlantic Ocean currents and cause regional cooling (such an idea was caricatured in the Hollywood disaster film «The Day After Tomorrow «-RRB-.

We don't have good information on the base of the food chain for most of the past — that's just «noise» but now that we start having ways to track trends in primary productivity — what's being made out of sunlight, water and CO2, by which organisms, and how fast do their populations change (remembering that some plankton populations turn over a new generation in a couple of weeks so relative numbers of different species can change that fast across the oceans).

In a recent (of Sept. 16, 2005) publication in Science, Hatun et al. find that record - high salinities have been observed over the past decade in the region where water from the Atlantic flows into the northern oceans.

In the past, water from the deeper ocean would have had time to mix, diluting the effect of the carbon dioxide.

Reefs: Natural temperature - limiting processes may prevent ocean surface waters from warming past levels dangerous to corals, at least in some important regions, according to a study being published in Geophysical Research Letters on Saturday.

Data from 3,000 scientific robots in the world's oceans show there has been slight cooling in the past five years, never mind that «80 % to 90 % of global warming involves heating up ocean waters,» according to a report by NPR's Richard Harris.

Ocean waters around Antarctica have warmed steadily for the past 50 years, but in addition to that, the region's shallow seas are also heating up, more quickly than others.

«The North Pacific ocean is very big and just below the surface the waters are brimming with CO2; because of this, we really need to understand how this region can change in the future, and looking into the past is a good way to do that.»