9 Result(s)

Article

Change in the sedimentary environment of Wanquan River Estuary, Hainan Island, China

²¹⁰Pb geochronology and sediment core profiles of organic carbon, total sulfur and organic carbon isotope (δ¹³C) values were used to reconstruct the local environmental history of the Shamei Lago...

Chendong Ge, O. Slaymaker, T. F. Pedersen in Chinese Science Bulletin (2003)

Chapter

Challenges of a Changing Earth: Past Perspectives, Future Concerns

Paleoclimatic research has revealed an astonishing picture of past changes in the earth system. Over the last 2 million years, climate has varied widely from ice ages to warm interglacials. Between these extre...

R. S. Bradley, K. Alverson, T. F. Pedersen in Paleoclimate, Global Change and the Future (2003)

Chapter

The Late Quaternary History of Biogeochemical Cycling of Carbon

The cycling of carbon between the atmosphere, ocean and continents controls the concentration of atmospheric CO₂(pCO₂), which in turn impacts the earth’s radiation balance. Correlations between the concentration ...

T. F. Pedersen, R. François, L. François… in Paleoclimate, Global Change and the Future (2003)

Chapter

Geochemical Behaviour of Submerged Pyrite-Rich Tailings in Canadian Lakes

Sulphide-rich mine tailings have been discharged to marine and lacustrine waters in many parts of the world for centuries, often with little regard for potential long-term chemical consequences. Somewhat fortu...

T. F. Pedersen, J. J. McNee, D. H. Flather, B. Mueller… in Acidic Mining Lakes (1998)

Article

Glacialá¤-interglacial changes in nutrient utilization in the equatorial Pacific Ocean

THE eastern equatorial Pacific Ocean (EEP) today sustains up to 30% of global marine productivity¹, and the region is one of the largest and most variable marine sources of CO₂ to the atmosphere². This variabilit...

J. W. Farrell, T. F. Pedersen, S. E. Calvert, B. Nielsen in Nature (1995)

Article

Laser surface modification of a 13.5% Cr, 0.6% C steel

A 13.5% Cr, 0.6% C steel, with an initial microstructure of chromium carbides in a ferrite matrix, was heat-treated by scanning a high-power laser beam over the surface. The aim was to compare the physical and...

J. C. Ion, T. Moisio, T. F. Pedersen, B. Sørensen… in Journal of Materials Science (1991)

Article

Himidification of dry inspired gases

Dr. J. E. Boys, Dr. E. L. Marucs, G. Lewinsohn, R. Fudin… in Intensive Care Medicine (1989)

Chapter

Diagenetic Processes in Aquatic Mine Tailings Deposits in British Columbia

Mine wastes have been deposited in coastal or terrestrial aquatic systems for at least two millenia, historically without regard for the biological, chemical or physical consequences of such disposal. The rise...

T. F. Pedersen, A. J. Losher in Chemistry and Biology of Solid Waste (1988)