Black Sea nitrogen cycling and the preservation of phytoplankton δ15N signals during the Holocene
The stable isotopic compositions of bulk, clay‐bound, organic, and compound‐specific
nitrogen were determined for mid to late Holocene Black Sea sediments from a set of box …
nitrogen were determined for mid to late Holocene Black Sea sediments from a set of box …
[图书][B] Stable isotope techniques in the study of biological processes and functioning of ecosystems
MJ Unkovich, JS Pate, A McNeill, J Gibbs - 2013 - books.google.com
In the last two decades technological advances in isotope ratio mass spectrometry have
been very rapid, opening up new possibilities for analysis of biological and environmental …
been very rapid, opening up new possibilities for analysis of biological and environmental …
Early diagenesis and organic matter preservation—a molecular stable carbon isotope perspective
SA Macko, MH Engel, Y Qian - Chemical Geology, 1994 - Elsevier
Through a new development in stable isotope capability, gas chromatography coupled to a
stable isotope ratio mass spectrometer (GC-C-IRMS), the reaction pathways of organic …
stable isotope ratio mass spectrometer (GC-C-IRMS), the reaction pathways of organic …
Historical shifts in oxygenation regime as recorded in the laminated sediments of lake Montcortès (Central Pyrenees) support hypoxia as a continental-scale …
Recent expansion of anoxia has become a global issue and there is potential for worsening
under global warming. At the same time, obtaining proper long-term instrumental oxygen …
under global warming. At the same time, obtaining proper long-term instrumental oxygen …
Organic biogeochemistry in the oxygen-deficient ocean: a review
SG Wakeham - Organic Geochemistry, 2020 - Elsevier
Oceanic oxygen-deficient zones (ODZs) encompass open ocean and coastal oxygen
minimum zones and euxinic marine basins. A primary goal of this review is to demonstrate …
minimum zones and euxinic marine basins. A primary goal of this review is to demonstrate …
2, 3, 6-/3, 4, 5-Trimethyl substituted diaryl carotenoid derivatives (Chlorobiaceae) in petroleums of the Belarussian Pripyat River Basin
DJ Clifford, JL Clayton, JSS Damsté - Organic Geochemistry, 1998 - Elsevier
Degradation products of the 2, 3, 6-/3, 4, 5-trimethyl substituted analog of isorenieratene
were characterized in Belarussian petroleums. Devonian oils of low maturity were found to …
were characterized in Belarussian petroleums. Devonian oils of low maturity were found to …
The response of water column and sedimentary environments to the advent of the Messinian salinity crisis: insights from an onshore deep-water section (Govone, NW …
During Messinian time, the Mediterranean underwent hydrological modifications culminating
5.97 Ma ago with the Messinian salinity crisis (MSC). Evaporite deposition and alleged …
5.97 Ma ago with the Messinian salinity crisis (MSC). Evaporite deposition and alleged …
Evidence for only minor contributions from bacteria to sedimentary organic carbon
WA Hartgers, JS Sinninghe Damsté, AG Requejo… - Nature, 1994 - nature.com
BECAUSE their molecular signatures are often prominent in extracts of sediments, bacteria
are thought to be important contributors to petroleum source beds1. It has been shown …
are thought to be important contributors to petroleum source beds1. It has been shown …
Cycling of dissolved and particulate nitrogen and carbon in the Framvaren Fjord, Norway: stable isotopic variations
DJ Velinsky, ML Fogel - Marine Chemistry, 1999 - Elsevier
The reaction pathways of nitrogen and carbon in the Framvaren Fjord (Norway) were
studied through stable isotope analysis (δ 15N and δ 13C) of dissolved inorganic and …
studied through stable isotope analysis (δ 15N and δ 13C) of dissolved inorganic and …
A 400-year record of environmental change in an euxinic fjord as revealed by the sedimentary biomarker record
A 400-year sedimentary record of the euxinic Kyllaren Fjord was investigated using organic
biogeochemical, geochemical and sedimentological approaches. Accumulation rates of a …
biogeochemical, geochemical and sedimentological approaches. Accumulation rates of a …