Search Results - "Petsch, S. T"
-
1
C-Dead Living Biomass: Evidence for Microbial Assimilation of Ancient Organic Carbon During Shale Weathering
Published in Science (American Association for the Advancement of Science) (11-05-2001)“…Prokaryotes have been cultured from a modern weathering profile developed on a ~365-million-year-old black shale that use macromolecular shale organic matter…”
Get full text
Journal Article -
2
A biomarker record of Lake El'gygytgyn, Far East Russian Arctic: investigating sources of organic matter and carbon cycling during marine isotope stages 1–3
Published in Climate of the past (30-01-2013)“…Arctic paleoenvironmental archives serve as sensitive recorders of past climate change. Lake El'gygytgyn (Far East Russian Arctic) is a high-latitude crater…”
Get full text
Journal Article -
3
High-latitude environmental change during MIS 9 and 11: biogeochemical evidence from Lake El'gygytgyn, Far East Russia
Published in Climate of the past (01-01-2013)“…Marine isotope stages (MIS) 11 has been proposed as an analog for the present interglacial; however, terrestrial records of this time period are rare…”
Get full text
Journal Article -
4
Isotope fractionation and atmospheric oxygen : Implications for phanerozoic O2 evolution
Published in Science (American Association for the Advancement of Science) (03-03-2000)“…Models describing the evolution of the partial pressure of atmospheric oxygen over Phanerozoic time are constrained by the mass balances required between the…”
Get full text
Journal Article -
5
A field study of the chemical weathering of ancient sedimentary organic matter
Published in Organic geochemistry (01-05-2000)“…Weathering profiles developed on organic carbon-rich black shales were studied to examine the loss and degradation of organic matter (OM) during weathering and…”
Get full text
Journal Article Conference Proceeding -
6
Linking lithology and land use to sources of dissolved and particulate organic matter in headwaters of a temperate, passive-margin river system
Published in Geochimica et cosmochimica acta (01-09-2007)“…A number of rivers have been found to transport highly aged organic matter [OM]; however, the sources of this aged material remain a matter of debate. One…”
Get full text
Journal Article -
7
14C-Dead Living Biomass: Evidence for Microbial Assimilation of Ancient Organic Carbon during Shale Weathering
Published in Science (American Association for the Advancement of Science) (11-05-2001)“…Prokaryotes have been cultured from a modern weathering profile developed on a ∼365-million-year-old black shale that use macromolecular shale organic matter…”
Get full text
Journal Article -
8
Microbial transformations of organic matter in black shales and implications for global biogeochemical cycles
Published in Palaeogeography, palaeoclimatology, palaeoecology (11-04-2005)“…The various roles that microorganisms play in transformation of organic matter in geologic environments are yet to be fully revealed. Many of these roles…”
Get full text
Journal Article -
9
Isotope Fractionation and Atmospheric Oxygen: Implications for Phanerozoic O 2 Evolution
Published in Science (American Association for the Advancement of Science) (03-03-2000)“…Models describing the evolution of the partial pressure of atmospheric oxygen over Phanerozoic time are constrained by the mass balances required between the…”
Get full text
Journal Article -
10
The Sulfur Cycle and Atmospheric Oxygen
Published in Science (American Association for the Advancement of Science) (20-11-1998)“…Changes in isotopic carbon and sulfur ratios in rocks and sediments provides a record of global, geologic change. Specifically, the processes of photosynthesis…”
Get full text
Journal Article -
11
Modern isotope hydrology and controls on δD of plant leaf waxes at Lake El'gygytgyn, NE Russia
Published in Climate of the past (01-01-2013)“…Stable isotope data from lipid biomarkers and diatom silica recovered from lake sediment cores hold great promise for paleoclimate and paleohydrological…”
Get full text
Journal Article -
12
Isotope fractionation and atmospheric oxygen: implications for phanerozoic O(2) evolution
Published in Science (American Association for the Advancement of Science) (03-03-2000)“…Models describing the evolution of the partial pressure of atmospheric oxygen over Phanerozoic time are constrained by the mass balances required between the…”
Get full text
Journal Article -
13
Controls on the variability of organic matter and dissolved inorganic carbon ages in northeast US rivers
Published in Marine chemistry (01-12-2004)“…The use of natural 14C in aquatic and marine studies provides unique source, turnover and processing information with respect to local, regional and global…”
Get full text
Journal Article Conference Proceeding -
14
Mobility of rhenium, platinum group elements and organic carbon during black shale weathering
Published in Earth and planetary science letters (15-05-2002)“…This study investigates the effects of black shale weathering on the Re–Os isotope system, platinum group element concentrations and the degradation of organic…”
Get full text
Journal Article -
15
-
16
C-14-dead living biomass - Evidence for microbial assimilation of ancient organic carbon during shale weathering
Published in Science (American Association for the Advancement of Science) (11-05-2001)“…Prokaryotes have been cultured from a modern weathering profile developed on an about 365-million-year-old black shale that use macromolecular shale organic…”
Get full text
Journal Article -
17
14 C-Dead Living Biomass: Evidence for Microbial Assimilation of Ancient Organic Carbon During Shale Weathering
Published in Science (American Association for the Advancement of Science) (11-05-2001)“…Prokaryotes have been cultured from a modern weathering profile developed on a ∼365-million-year-old black shale that use macromolecular shale organic matter…”
Get full text
Journal Article -
18
Isotope Fractionation and Atmospheric Oxygen: Implications for Phanerozoic O2Evolution
Published in Science (American Association for the Advancement of Science) (03-03-2000)“…Models describing the evolution of the partial pressure of atmospheric oxygen over Phanerozoic time are constrained by the mass balances required between the…”
Get full text
Journal Article -
19
Isotope Fractionation and Atmospheric Oxygen: Implications for Phanerozoic [O.sub.2] Evolution
Published in Science (American Association for the Advancement of Science) (03-03-2000)“…Models describing the evolution of the partial pressure of atmospheric oxygen over Phanerozoic time are constrained by the mass balances required between the…”
Get full text
Journal Article -
20
Abundance, distribution and delta super(13)C analysis of microbial phospholipid-derived fatty acids in a black shale weathering profile
Published in Organic geochemistry (01-06-2003)“…Phospholipid ester-linked fatty acids [PFLA] were isolated from a weathering profile developed on Ohio Shale. PLFA distributions were used to describe the…”
Get full text
Journal Article