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Paleoclimate records from glacial Indian and Pacific oceans sediments document millennial-scale fluctuations of subsurface dissolved oxygen levels and denitrification coherent with North Atlantic temperature oscillations. Yet the mechanism of this...
2007 (iso8601)
A coupled climate-carbon cycle model and ice core CO2 data from the last glacial period are used to explore the impact of changes in ocean circulation on atmospheric CO2 concentrations on millennial time scales. In the model, stronger wind driven...
2007 (iso8601)
This thesis investigates the influence of early diagenesis on trace metal and molybdenum isotope behavior in marine and lacustrine environments. Chapter one is a synthesis of previous research in all the marine environments investigated, providing...
2008-06-27T15:09:05Z (iso8601)
Oceanic crust covers nearly 70% of the Earth's surface, of which, the upper, sediment layer is estimated to harbor substantial microbial biomass. Marine crust; however, extends several kilometers beyond this surficial layer, and includes the...
2008-06-26T19:29:35Z (iso8601)
Experiments were conducted with two strains of the coccolithophorid Emiliania huxleyi. Previous experiments with CCMP1742 and 372 at a light intensity of 60 µEin/m²-s showed that during five-day periods of continuous darkness, strain 1742 was...
2008-07-30T23:02:18Z (iso8601)
Due to the overwhelming concern for the current state of our oceans, The Pew Ocean Commission (2003) and the U.S. Commission on Ocean policy (2004), have both strongly recommended an increase in our society’s ocean literacy. An increase in ocean...
2008-06-16 (iso8601)
With 150 million people visiting accredited zoos and aquariums annually, these institutions have the unique opportunity to present conservation-oriented messages to a large and receptive audience. The purpose of this study was to explore the role...
2008-07-16T16:04:17Z (iso8601)
An innovative regional planning institution, the Northwest Power Planning Council, was created to plan for two conflicting water-related resources, fish and wildlife and electrical power. The Council is responsible for regional planning but...
1995-03-07 (iso8601)
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