Sentences with phrase «carbon than previous estimates»

From 2000 - 2013 China produced 2.9 gigatonnes less carbon than previous estimates of its cumulative emissions.

Not exact matches

By looking at the chemistry of rocks deposited during that time period, specifically coupled carbon and sulfur isotope data, a research team led by University of California, Riverside biogeochemists reports that oxygen - free and hydrogen sulfide - rich waters extended across roughly five percent of the global ocean during this major climatic perturbation — far more than the modern ocean's 0.1 percent but much less than previous estimates for this event.

Adding up the carbon found in different soil types he says, yields an initial new estimate of 1894 billion metric tons of carbon locked into permafrost across the Arctic, 13 % more than the previous estimate.

Scientists found global climate is more sensitive to carbon dioxide than most previous estimates.

The researchers believe that American tropical forests store around 118 billion tons of carbon, a fifth more than previous estimates.

This paper was widely covered in the global media because it estimated a 1.5 C carbon budget that was far larger than previous estimates.

Building on earlier research showing the carbon payback time of biofuel crops grown on certain types of land, the new study uses «a new, geographically detailed database of crop locations and yields, along with updated vegetation and soil biomass estimates, to provide carbon payback estimates that are more regionally specific than those in previous studies,» write the authors.

EFFECT OF NATURAL IRON FERTILIZATION ON CARBON SEQUESTRATION IN THE SOUTHERN OCEAN Nature, Vol 446 26 April 2007 doi: 10.1038 / nature05700 The efficiency of fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experiCARBON SEQUESTRATION IN THE SOUTHERN OCEAN Nature, Vol 446 26 April 2007 doi: 10.1038 / nature05700 The efficiency of fertilization, defined as the ratio of the carbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition expericarbon export to the amount of iron supplied, was at least ten times higher than previous estimates from short - term blooms induced by iron - addition experiments.

If cost constraints aren't considered, the authors suggest that emissions savings could be as high as 23.8 billion tonnes of carbon dioxide equivalent per year, 30 % more than previous estimates had projected.

The team found that during exceptionally dry summers as much as 90 % of total annual carbon emitted from peatlands is likely lost from runoff — significantly higher than the previous estimates of 50 %.