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AGU journal highlights -- Jan. 13, 2012

The following highlights summarize research papers that have been recently published in Journal of Geophysical Research-Oceans (JGR-C), Journal of Geophysical Research-Planets (JGR-E), Journal of Geophysical Research- Biogeosciences (JGR-G), and Geophysical Research Letters (GRL).

In this release:

  1. Variability of North Atlantic heat transport observed from instrument data
  2. Methane exceeds nitrous oxide in rivers' contribution to warming
  3. Waste recycling primary source of energy in deep ocean
  4. Record Arctic ozone depletion could occur again
  5. Traveling supraglacial lakes observed on Antarctic ice shelf
  6. Lunar images alter understanding of impact history

Anyone may read the scientific abstract for any already-published paper by clicking on the link provided at the end of each Highlight. You can also read the abstract by going to and inserting into the search engine the full doi (digital object identifier), e.g. 10.1029/2011GL049801. The doi is found at the end of each Highlight below.

Journalists and public information officers (PIOs) at educational or scientific institutions who are registered with AGU also may download papers cited in this release by clicking on the links below. Instructions for members of the news media, PIOs, and the public for downloading or ordering the full text of any research paper summarized below are available at

1. Variability of North Atlantic heat transport observed from instrument data

The Atlantic meridional overturning circulation (AMOC), which transports warm water northward and cold water back southward, redistributes energy throughout the North Atlantic Ocean. Some mo

Contact: Mary Catherine Adams
American Geophysical Union

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