the sea floor. - Broecker and Peng (1982), Tracers in the Sea

meters, and SO forth. The members of the eleventh generation currently dot the surface (working from birth to death to keep their heads above the ever accumulating snow). - Broecker and Peng (1982), Tracers in the Sea

average lifetime of these colonists was 100 years. Thus over the 1000 years of occupation, about 100 people should have died and become buried in the snow on the site of his excavation. The first generation of pioneers lay in the lowest 30 meters of his excavation, the second in the overlying 30

partly depleted. The degree of depletion depends on the relationship between the biochemical demand and the ocean availability of the particular constituent. - Broecker and Peng (1982), Tracers in the Sea

along the equatorial belt in the Pacific, off the coast of Africa in the Atlantic, and in the northernmost Pacific. In all of these regions, surface waters are characterized by high nutrient content. - Broecker and Peng (1982), Tracers in the Sea

Broecker and Peng (1982), Tracers in the Sea

equatorward in surface water than do those of silicate). This difference must be the chemical imprint of high diatom productivity! - Broecker and Peng (1982), Tracers in the Sea