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The Arctic: An AGU Joint Special Collection

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Last updated:
8 February 2018
The Arctic has become the focus of many new investigations and studies across a number of disciplines. In many cases, this research is integrating diverse new data sets, observations, and modeling, and making connections among and across the biosphere, oceans, atmospheres, space, and geophysical environments. These papers include historical and new research on the Arctic and represent the following AGU journals: Earth’s Future, Earth and Space Science, Geochemistry Geophysics Geosystems (G-Cubed), Geophysical Research Letters, Global Biogeochemical Cycles, JAMES (Journal of Advances in Modeling Earth Systems), JGR: Oceans, JGR: Atmospheres, JGR: Solid Earth, JGR: Space Physics, JGR: Biogeosciences, JGR: Earth’s Surface, Reviews of Geophysics, Space Weather, and Water Resources Research.

Excess CO2

Published:
1 March 2001
This issue of Global Biogeochemical Cycles contains a remarkable set of papers, which critically evaluate a variety of model- and observation-based approaches addressing the oceanic distribution, storage, and transport of CO2

Global Nutrient Export From Watersheds

Published:
1 March 2006
An overview of the first spatially explicit, multielement (N, P, and C), multiform (dissolved inorganic: DIN, DIP; dissolved organic: DOC, DON, DOP; and particulate: POC, PN, PP) predictive model system of river nutrient export from watersheds (Global Nutrient Export from Watersheds (NEWS)) is presented. NEWS models estimate export from 5761 watersheds globally as a function of land use, nutrient inputs, hydrology, and other factors; regional and global scale patterns as of 1995 are presented here.

The Role of Diatom Production and Si Flux and Burial in the Regulation of Global Cycles

Published:
1 September 2007
The present GBC special section arose from an American Geophysical Union Chapman Conference held 22“26 September 2 3 on the Greek Island of Paros. Studies of the cycling of the major nutrients (N, P, Si) are an essential step toward assessing the role of biogeochemical processes in global change through, for example CO2 uptake and draw down.

1988 Global Change Expedition/Coordinated Air-Sea Experiment/Western Atlantic Ocean Experiment

Published:
1 December 1990
"The 1988 Global Change Expedition/Coordinated Air-Sea Experiment/Western Atlantic Ocean Experiment (GCE/CASE/WATOX) represents a coupled observational effort to understand the agents responsible for the atmospheric transfer of components from the continents to the oceans and the exchange of components betweenm arine air and the sea."