Identification of double‐bond positions in isomeric alkenones from a lacustrine haptophyte
JT Dillon, WM Longo, Y Zhang… - … in Mass Spectrometry, 2016 - Wiley Online Library
Rationale Measurements of alkenone unsaturation ratios are widely used for
paleotemperature reconstructions in ocean and lake environments. Previously, we reported …
paleotemperature reconstructions in ocean and lake environments. Previously, we reported …
Temperature calibration and phylogenetically distinct distributions for freshwater alkenones: Evidence from northern Alaskan lakes
Alkenones are a class of unsaturated long-chain ketone biomarkers that have been used to
reconstruct sea surface temperature and, more recently, continental temperature, by way of …
reconstruct sea surface temperature and, more recently, continental temperature, by way of …
Long chain alkenones in Greenland lake sediments: Low δ 13C values and exceptional abundance
WJ D'Andrea, Y Huang - Organic Geochemistry, 2005 - Elsevier
Long chain alkenones (LCAs) are a key class of biomarkers for certain members of the algal
class Prymnesiophyceae (ie, prymnesiophytes). They are ubiquitous in ocean sediments …
class Prymnesiophyceae (ie, prymnesiophytes). They are ubiquitous in ocean sediments …
Climatic and environmental controls on the occurrence and distributions of long chain alkenones in lakes of the interior United States
Long chain alkenones (LCA) are temperature-sensitive lipids with great potential for
quantitative reconstruction of past continental climate. We conducted the first survey for …
quantitative reconstruction of past continental climate. We conducted the first survey for …
Widespread occurrence of distinct alkenones from Group I haptophytes in freshwater lakes: Implications for paleotemperature and paleoenvironmental reconstructions
Alkenones are C 35–C 42 polyunsaturated ketone lipids that are commonly employed to
reconstruct changes in sea surface temperature. However, their use in coastal seas and …
reconstruct changes in sea surface temperature. However, their use in coastal seas and …
Production and temperature sensitivity of long chain alkenones in the cultured haptophyte Pseudoisochrysis paradoxa
The alkenone unsaturation index (U 37 K or U 37 K′) serves as a critical tool for
reconstructing temperature in marine environments. Lacustrine haptophyte algae are …
reconstructing temperature in marine environments. Lacustrine haptophyte algae are …
[HTML][HTML] Impact of saponification and silver-nitrate purification on lacustrine alkenone distributions and alkenone-based indices
A growing interest in lacustrine alkenones as a proxy for continental paleotemperature
reconstructions accompanied important methodological improvements over the past two …
reconstructions accompanied important methodological improvements over the past two …
Alkenone paleothermometry: Biological lessons from marine sediment records off western South America
FG Prahl, AC Mix, MA Sparrow - Geochimica et Cosmochimica Acta, 2006 - Elsevier
An empirical global core-top calibration that relates the alkenone unsaturation index
[Formula: see text] to mean annual SST (maSST) is statistically the same as that defined for …
[Formula: see text] to mean annual SST (maSST) is statistically the same as that defined for …
Optimizing chromatographic resolution for simultaneous quantification of long chain alkenones, alkenoates and their double bond positional isomers
We report here our latest attempt to optimize gas chromatographic (GC) separation of long
chain alkenones and alkenoates from haptophyte cultures and sediments. Building upon the …
chain alkenones and alkenoates from haptophyte cultures and sediments. Building upon the …
Phylogenetic diversity and evolutionary relatedness of alkenone-producing haptophyte algae in lakes: implications for continental paleotemperature reconstructions
Alkenones have been found in an increasing number of lakes around the world, making
them a promising new tool for continental paleoclimate reconstruction. However, individual …
them a promising new tool for continental paleoclimate reconstruction. However, individual …