Atlantic Elevator

The acidification problem in both the United States and Canada grows in magnitude if episodic acidification (brief periods of low pH levels from snowmelt or heavy downpours) is taken into account. Lakes and streams throughout the United States, including high-elevation western lakes, are sensitive to episodic acidification. In the Mid-Appalachians, the Mid-Atlantic Coastal Plain, and the Adirondack Mountains, many additional lakes and streams become temporarily acidic during storms and snowmelt. Episodic acidification can cause large-scale fish kills. ... 

Malin G, Turner S, Liss P, Holligan P, Harbour D (1993) Dimethylsulfide and Dimethylsulphoniopropionate in the Northeast Atlantic During the Summer Coccolithophore Bloom. Deep-Sea Res Part I 40 1487-1508 Malin G, Wilson WH, Bratbak G, Liss PS, Mann NH (1998) Elevated production of dimethylsulfide resulting from viral infection of cultures of Phaeocystis pouchetii. Lim-nol Oceanogr 43 1389-1393... 

O2 can be used as a tracer to help identify the origin of water masses. The warm, saline intrusion into the Atlantic Ocean from the Mediterranean Sea is relatively O2 deficient. Alternatively, the waters down-welling from Polar Regions have elevated O2 concentrations. 

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