HOME >> BIOLOGY >> NEWS
Scientists close in on missing carbon sink

BOULDER--Forests in the United States and other northern mid- and upper-latitude regions are playing a smaller role in offsetting global warming than previously thought, according to a study appearing in Science this week. The study, which sheds light on the so-called missing carbon sink, concludes that intact tropical forests are removing an unexpectedly high proportion of carbon dioxide from the atmosphere, partially offsetting carbon entering the air through industrial emissions and deforestation.

The Science article, "Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2," was written by an international team of scientists led by Britton Stephens of the National Center for Atmospheric Research (NCAR).

To study the global carbon cycle, Stephens and his colleagues analyzed air samples that had been collected by aircraft across the globe for decades but never before synthesized. The team found that some 40 percent of the carbon dioxide assumed to be absorbed by northern forests is instead taken up in the tropics.

"Our study will provide researchers with a much better understanding of how trees and other plants respond to industrial emissions of carbon dioxide, which is a critical problem in global warming," Stephens says. "This will help us better predict climate change and identify possible strategies for mitigating it."

The missing carbon

For years, one of the biggest mysteries in climate science has been the question of what ultimately happens to the carbon emitted by motor vehicles, factories, deforestation, and other sources. Of the approximately 8 billion tons of carbon emitted each year, about 40 percent accumulates in the atmosphere and about 30 percent is absorbed by the oceans. Scientists believe that terrestrial ecosystems, especially trees, take up the remainder.

To find this terrestrial carbon sink, scientists have turned to computer models th
'"/>


21-Jun-2007


Page: 1 2 3

Related biology news :

1. Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
2. Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
3. Scientists move closer to bio-engineered bladders
4. Scientists find stem cell switch
5. Scientists discover new way to study nanostructures
6. Scientists a step closer to understanding how anaesthetics work in the brain
7. Scientists to make news at Computational Biology Conference
8. Accident-prone? Scientists link brain function to knee injuries
9. Scientists take next step in understanding potential target for ovarian cancer treatment
10. Scientists find brown fat master switch
11. Scientists identify 2 distinct Parkinsons networks

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:5/8/2019)... ... May 08, 2019 , ... MMS Holdings – an award-winning, ... by Medrio , the leading provider of eClinical technology for small to ... collaborating to position high-quality CRO services with Medrio’s fast and easy-to-use eClinical products, ...
(Date:5/7/2019)... ... May 07, 2019 , ... Landsec and Spartan Bioscience ... the UK. , In May, Landsec will undertake trials using Spartan’s innovative Legionella ... operators to take corrective action within hours instead of weeks. This test, ...
(Date:5/2/2019)... BUDAPEST, Hungary and CAMBRIDGE, Mass. (PRWEB) , ... ... ... headquartered in Budapest with US offices in Cambridge, MA, announces today that Holotype ... the annual meeting of the European Federation for Immunogenetics (EFI) in ...
Breaking Biology News(10 mins):
(Date:4/18/2019)... ... April 18, 2019 , ... Taking a step closer to ... engineer at Worcester Polytechnic Institute (WPI) has developed a novel process using an ... isobutanol and other biofuels more economically. , Isobutanol, like ethanol, is an alcohol, ...
(Date:4/16/2019)... ... April 16, 2019 , ... Fulcrum Biometrics , ... that Bank South Pacific (BSP), the largest regionally owned bank in the South ... a contract to deliver a fingerprint-based Know Your Customer (KYC) banking solution that ...
(Date:4/12/2019)... ... 2019 , ... An upcoming episode of Advancements with Ted ... and devices being used to enhance cognitive skills. This episode is scheduled to ... Advancements will focus on Sound for Life, a neurotechnology company helping people to ...
(Date:4/10/2019)... ... ... After more than three months of renovation, Lajollacooks4u is set to reveal its ... modern lighting and fixtures, and will provide additional workspace for the many guests who ... the demand for our team-building events and cooking classes over the last eleven years,” ...
Breaking Biology Technology:
Cached News: