Sentences with phrase «much organic carbon»

«We are continuously asked, how much organic carbon and CO2 do gelatinous plankton sink worldwide, whether their export capacities are similar to phytoplankton and marine snow.

«There's so much organic carbon trapped in permafrost,» she said, «and we don't really know what's going to happen as the climate warms.»

Not exact matches

«We don't just look at total soil organic carbon, but also the components of soil that have stable pools of carbon — humic substances, which gives us a much more accurate and precise view of the stable, long - term storage of carbon in the soils.»

Certifications other than organic don't do much to reduce carbon footprint over conventional farming, suggesting that standards need to be modified to encourage footprint - lowering practices.

Tilling results in soil organic matter being broken down much more rapidly, and carbon is lost from the soil into the atmosphere.

The process of making organic capacitors does release a little carbon dioxide, but not nearly as much as would be emitted if you let the same quantity of material burn or decay, says Caroline Burgess Clifford at Penn State University.

Much of that carbon is frozen organic matter locked within permafrost.

If the carbon that makes up much of the organic matter remains stored in the soil, then it doesn't get into the atmosphere where it can contribute to climate change.

By comparing the amount of carbon 13 in the inorganic particles with the absence of carbon 13 in the organic matter, scientists can estimate how much oxygen was present in the atmosphere at that time.

«We need to understand where carbon goes, how much of it goes into the organic matter, how that affects the air - sea exchanges of CO2 and what happens to fossil fuel we have emitted from our tailpipes.»

The resultant clay then washes down to the sea and settles on the bottom, where the clay's chemical properties actively attract organic carbon and then absorb it, much like kitty litter.

As these more substantial microbes die, the researchers found they increase the flux of sinking organic carbon particles by as much as 35 percent.

But because their roots and soil are regularly washed by tides, much of this organic carbon leaches into the ocean.

Researchers led by Thorsten Dittmar of Florida State University in Tallahassee measured how much mangroves contribute to the organic carbon...

«These superdeep diamonds contained much less carbon - 13, which is most consistent with an origin in the organic component found in altered oceanic crust.»

Researchers have found that carbon particles released into the air from burning trees and other organic matter are much more likely than previously...

Much of the research has focused on microorganisms capable of immobilizing contaminants, such as uranium, after introducing organic carbon compounds, such as acetate, lactate and ethanol.

How much was organic (bound to carbon) vs. inorganic arsenic?

We also need to listen to authors such as Heather Rogers, who has undertaken a devastating critique of «ethical consumerism» and today's much - touted «green» solutions — carbon offsets, organic food, biofuels, and eco-friendly cars and homes — in her book, Green Gone Wrong.

There could be a lot of hydrate in Arctic sediments (it's not real well known how much there is), but there is also lot of carbon as organic matter frozen in the permafrost.

David, I havent been keeping up with all the PETM research, but I do recall that individual plankton recovered from Bass River, New Jersey show a single step CIE. Due to the high sedimentation rate of coastal fluvial systems, Bass River sediments are consistent with a much shorter duration of organic carbon release during the PETM (estimated as less than 500 years).

Not only are burning trees sending millions of tons of carbon into the atmosphere, perhaps even worse are the flames consuming peatland, a rich soil - like earth made up of decomposing organic material that can store as much as 3,300 tons of carbon per hectare.

Inthorn contemplates that enhanced and widespread downslope transport of organic carbon in cloudy water layers may have been much more vigorous at times when sea level was fluctuating and lower than today.

The carbon loss occurred first through the removal of the original vegetation, which stored much carbon in its leaves, stems and trunks; then through the oxidation of carbon in newly exposed soils; and finally through increased soil erosion, which carried away much of the organic - rich sediment during flooding.

To determine how much carbon is released by erosion, the researchers combined their soil organic carbon calculations with long - term erosion rates (the region loses a mean of 0.7 meters of coastline per year).

They measured the organic carbon content of the samples and determined how much of the soil volume was taken up by large bodies of ground ice.

The researchers estimate that the dissolved organic carbon released by melting glaciers will be an increase of half as much again on the current flow − the equivalent of about half the annual flow of dissolved carbon down the mighty Amazon River.

There are at least ~ 1500 billion tons of organic carbon in permafrost zone soils, almost twice as much as currently exists in the atmosphere.

This would mean there is much more BC in the atmosphere on average (also organic carbon, etc) than Bond used in their modeling.

Much carbon was sequestered as shells, peat, or other organic debris.

In fact, 10,000 medium - sized organic farms can store as much carbon in the soil as we would save if we took one million cars off the road.

The result is that the plots continue to have similar yields, with the organic plots performed much better in terms of building soil carbon and retaining nitrogen in the soil.

If all farmable fields in the world accumulated as much carbon as fast as the organic fields at Rodale Institute, we could store 40 percent of the world's annual global greenhouse gas emissions in the soil.

Meanwhile, according to the American Public Transportation Association, mass transit produces 95 percent less carbon monoxide, 90 percent less volatile organic compounds, and about half as much carbon dioxide as private vehicles.