Navigation Links
Melting tundra creating vast river of waste into Arctic Ocean
Date:1/11/2010

The increase in temperature in the Arctic has already caused the sea-ice there to melt. According to research conducted by the University of Gothenburg, Sweden, if the Arctic tundra also melts, vast amounts of organic material will be carried by the rivers straight into the Arctic Ocean, resulting in additional emissions of carbon dioxide.

Several Russian rivers enter the Arctic Ocean particularly in the Laptev Sea north of Siberia. One of the main rivers flowing into the Laptev Sea is the Lena, which in terms of its drainage basin and length is one of the ten largest rivers in the world. The river water carries organic carbon from the tundra, and research from the University of Gothenburg shows that this adds a considerable amount of carbon dioxide to the atmosphere when it is degraded in the coastal waters.

Increased temperatures

The increase in temperature in the Arctic, which has already made an impact in the form of reduced sea-ice cover during the summer, may also cause the permafrost to melt.

"Large amounts of organic carbon are currently stored within the permafrost and if this is released and gets carried by the rivers out into the coastal waters, then it will result in an increased release of carbon dioxide to the atmosphere," says Sofia Hjalmarsson, native of Falkenberg and postgraduate student at the Department of Chemistry.

Study of two areas

In her thesis, Sofia Hjalmarsson has studied the carbon system in two different geographical areas: partly in the Baltic Sea, the Kattegat and the Skagerrak, and partly in the coastal waters north of Siberia (the Laptev Sea, the East Siberian Sea and the Chukchi Sea). The two areas have in common the fact that they receive large volumes of river water containing organic carbon and nutrients, mainly nitrogen.


'/>"/>

Contact: Sofia Hjalmarsson
sofia@chem.gu.se
46-070-647-9442
University of Gothenburg
Source:Eurekalert  

Page: 1

Related biology news :

1. Spring agricultural fires have large impact on melting Arctic
2. UK robot sub searches for signs of melting 60 km into an Antarctic ice shelf cavity
3. Penguins exposed to DDT from melting glaciers
4. TAU professor finds global warming is melting soft coral
5. Peat and forests save permafrost from melting
6. Rare Antarctic fossils reveal extinction of tundra before full polar climate arrived
7. $2.8 million for research into the impact of climate change on tundra wildlife
8. VAI researchers find long awaited key to creating drought resistant crops
9. Forest deal at Copenhagen must avoid creating carbon refugees
10. Scientists are first to unlock the mystery of creating cultured pearls from the queen conch
11. Stimulus-funded university research addressing issues from climate change to cancer, creating jobs and training a new generation of scientists
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Melting tundra creating vast river of waste into Arctic Ocean
(Date:7/20/2017)... , July 20, 2017 Delta (NYSE: DAL ... board any Delta aircraft at Reagan Washington National Airport (DCA). ... Delta launches biometrics to ... Delta,s biometric ... Sky Club is now integrated into the boarding process to allow ...
(Date:6/14/2017)... PARIS , June 15, 2017  IBM (NYSE: IBM ... the international tech event dedicated to developing collaboration between startups ... on June 15-17. During the event, nine startups will ... deliver value in various industries. ... in the international market, with a 30 percent increase in ...
(Date:5/16/2017)... --  Bridge Patient Portal , an enterprise patient ... Systems , an electronic medical record solutions developer ... a partnership to build an interface between the ... products, including Centricity Practice Solution (CPS), Centricity Business ... integrations will allow healthcare delivery networks using GE ...
Breaking Biology News(10 mins):
(Date:8/16/2017)... and OXFORD, England , Aug. 16, ... consortium for biotech executive search and leadership development, and Virdis ... sectors, have created an exclusive alliance that enables clients to ... "For our clients here in the ... unparalleled access to a diverse population of leadership talent throughout ...
(Date:8/15/2017)... ... August 15, 2017 , ... Pittcon is ... for analytical and scientific instruments. This year’s symposium, organized by the Pittcon 2018 ... Spectrometry for Bioanalytical Applications.” This dynamic presentation will discuss novel ionization processes, high ...
(Date:8/15/2017)... ... August 15, 2017 , ... Coffea arabica ... biotic and abiotic factors. During this educational webinar, participants will learn about the ... as gain a better understanding of how genomics is important for coffee breeding ...
(Date:8/14/2017)... ... August 14, 2017 , ... The Conference Forum ... event, which will take place on September 6, 2017 at the Marriott Copley Place ... Head of Experimental Medicine, Informatics, and Regulatory Strategy, Pfizer Innovative Research Lab, Pfizer, who ...
Breaking Biology Technology: