An improved method has been developed for the separation of the natural and bomb components of the radiocarbon in the ocean.The improvement involves the use of a very strong correlation between natural radiocarbon and dissolved silica.This method is applied to radiocarbon measurements made on samples collected during the Geochemical Ocean Sections Study (GEOSECS), Transient Tracers in the Ocean (TTO) and South Atlantic Ventilation Experiment (SAVE) expeditions.On the basis of this new separation we provide not only an estimate of the global inventory of bomb 14C at the time of the GEOSECS survey but also the distribution of bomb radiocarbon along four thermocline isopycnals in each ocean.We also document the evolution of the bomb 14C inventory and penetration along thermocline isopycnals in the North Atlantic Ocean between the times of the GEOSECS (1972–1973) and TTO (1980–1982) surveys and in the South Atlantic Ocean between the times of the GEOSECS (1973) and SAVE (1987–1989) surveys.

In addition, we show that the bomb tritium to bomb 14C ratio (expressed in the tritium unit (TU) 81 units/100‰) for waters entering the thermocline of the northern hemisphere is about 9 times higher than for those entering the southern hemisphere thermocline.This contrast offers long-term potential as an indicator of inter-hemispheric transport of upper ocean waters.Exploring Water as the Primary Thermal Battery for Rocket Mass HeatersProducts Marble Granite Soapstone Zodiaq® Caesar Stone© Silestone© Icestone© Fabrication - Sales - Installation Custom design your kitchen, countertops, fireplace, vanity, furniture and more!Let Atlantic Marble & Granite, Inc.bring natural beauty and elegance into your home.You will feel confident knowing that southern New England's foremost leader in stone fabrication is there to expertly handle every aspect of your project.Atlantic Marble & Granite, Inc., where craftsmanship and customer service are not just important they are "Rock Solid."

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