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Application of biomarker compounds as tracers for sources and fates of natural and anthropogenic organic matter in the environment

Creator:

Oros, Daniel R.

Abstract:

Determination of the source and fate of natural (higher plant lipids, marine lipids, etc.) and anthropogenically (e.g., petroleum, coal emissions) derived hydrocarbons and oxygenated compounds in the environment was accomplished using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) to characterize or identify molecular biomarkers to be utilized as tracers....

Resource Type:

Dissertation
Geochemical cycling in a Pacific Northwest estuary (Tillamook Bay, Oregon, USA)

Creator:

Colbert, Debbie L.

Abstract:

This thesis investigates the behavior of major inorganic nutrients (P, N, Si), trace metals (Mn, Fe), and alkaline-earth metals (Ba) within Tillamook Bay over seasonal cycles and under a range of river discharge conditions from October 1997 through December 1999. Located in the Pacific Northwest region, Tillamook Bay is an...

Resource Type:

Dissertation

Full Text:

, Tillamook Bay is an ideal system for evaluating biogeochemical cycling along the river-estuary- ocean
Geochemical equilibria and primary productivity in natural lakes

Creator:

Welch, E. B. (Eugene B.), Spyridakis, Dimitri E., Christman, R. F. (Russell F.), 1936-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington

Abstract:

The objectives for year have been the gathering of existing information, initiation of monitoring water quality, evaluation of analytical methods and procedures for measuring nutrient regeneration in the sediment-water interface, and the study of growth-environment correlations in Findley Lake, Chester Morse Reservoir, and Lakes Sammamish and Washington. Progress was made...

Resource Type:

Technical Report