The evolution and extinction of life are tied intimately to the oxygen state of the ocean, and
particularly to the presence of anoxic and H2S-containing (euxinic) water on a global scale …

Various types of abrupt/millennial-scale climate variability such as Dansgaard/Oeschger and
Heinrich Events characterized the last glacial period. Over the last decade, a number of …

Biomarkers are compounds found in crude oil with structures inherited from once-living
organisms. They persist in oil spills, refinery products and archaeological artifacts, and can …

An Introduction to Organic Geochemistry explores the fate of organic matter of all types,
biogenic and man-made, in the Earth System. investigates the variety of pathways and …

The intensity, duration and frequency of coastal hypoxia (oxygen concentration< 63 μM) are
increasing due to human alteration of coastal ecosystems and changes in oceanographic …

Over the last years a novel group of branched glycerol dialkyl glycerol tetraether (GDGT)
membrane lipids has been discovered in peat bogs and soils. They consist of components …

The second edition of The Biomarker Guide is a fully updated and expanded version of this
essential reference. Now in two volumes, it provides a comprehensive account of the role …

Enrichments in reactive iron occur under euxinic marine conditions, that is, where dissolved
sulfide is present in the water column. These enrichments result primarily from the export of …

Abstract The Palaeocene/Eocene thermal maximum,∼ 55 million years ago, was a brief
period of widespread, extreme climatic warming,,, that was associated with massive …

An abrupt transition from oxic to anoxic–sulfidic (euxinic) marine bottom waters occurred in
the Cariaco Basin in response to increasing productivity resulting from the late Pleistocene …