Decrease in the CO 2 Uptake Capacity in an Ice-Free Arctic Ocean Basin

Author:

Cai Wei-Jun1,Chen Liqi2,Chen Baoshan1,Gao Zhongyong2,Lee Sang H.3,Chen Jianfang4,Pierrot Denis56,Sullivan Kevin56,Wang Yongchen1,Hu Xinping1,Huang Wei-Jen1,Zhang Yuanhui2,Xu Suqing2,Murata Akihiko7,Grebmeier Jacqueline M.8,Jones E. Peter9,Zhang Haisheng4

Affiliation:

1. Department of Marine Sciences, University of Georgia, Athens, GA 30602, USA.

2. Key Lab of Global Change and Marine Atmospheric Chemistry, Third Institute of Oceanography, SOA, Xiamen 361005, China.

3. Korea Polar Research Institute, Incheon 406-840, Republic of Korea.

4. Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, SOA, Hangzhou 310012, China.

5. Ocean Chemistry Division, National Oceanic and Atmospheric Administration–Atlantic Oceanographic and Meteorological Laboratory, Miami, FL 33149, USA.

6. Cooperative Institute of Marine and Atmospheric Sciences, University of Miami, Miami, FL 33149, USA.

7. Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa 237-0061, Japan.

8. Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, MD 20688, USA.

9. Department of Fisheries and Oceans, Ocean Sciences Division, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, Canada B2Y 4A2.

Abstract

Sinking in Slowly As the Arctic warms and its sea ice continues to melt, more of the ocean surface will be exposed, creating the potential for greater uptake of carbon dioxide from the atmosphere. Cai et al. (p. 556 , published online 22 July) present results from a series of Arctic Ocean transects that show that the amount of CO 2 in the surface waters has increased greatly recently. This will act as a barrier to future CO 2 uptake and suggests that the Arctic Ocean will not become the large CO 2 sink that some have predicted.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference25 articles.

1. S. Solomon et al . Climate Change 2007: The Physical Science Basis: Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (Cambridge Univ. Press Cambridge 2007).

2. Imminent ocean acidification in the Arctic projected with the NCAR global coupled carbon cycle-climate model

3. Aragonite Undersaturation in the Arctic Ocean: Effects of Ocean Acidification and Sea Ice Melt

4. A carbon budget for the Arctic Ocean

5. Air-sea CO2fluxes and the continental shelf pump of carbon in the Chukchi Sea adjacent to the Arctic Ocean

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