-
Alkenones are long-chain
unsaturated methyl and
ethyl n-ketones
produced by a few
phytoplankton species of the
class Prymnesiophyceae.
Alkenones typically...
- compounds,
known as
alkenones, can be
found in
marine sediments long
after other soft
parts of the
organisms have decomposed.
Alkenones are most commonly...
-
isotopic composition of
alkenones often reflect the
isotopic enrichment or
depletion of the
surrounding environment, and δDs of
alkenones in
different regions...
- last 16,000
years from
records of
planktonic stable oxygen isotopes and
alkenone unsaturation ratios". Palaeogeography, Palaeoclimatology, Palaeoecology...
-
considerations (especially δ18O); the Mg/Ca
ratio of
foram tests, and
alkenones, are also useful. Often, many are used in
conjunction to get a multi-proxy...
- the
summer thermocline. and for its
production of
molecules known as
alkenones that are
commonly used by
earth scientists as a
means to
estimate past...
-
temperatures from the
presence or
absence of
certain lipids and long
chain alkenones, as
these molecules are very
sensitive to temperature. This
analysis provides...
- into the
icehouse climate.
Multiple proxies, such as
oxygen isotopes and
alkenones,
indicate that at the Eocene–Oligocene transition, the
atmospheric carbon...
-
Several geochemical proxy tools include long-chain
organic molecules (e.g.
alkenones),
stable and
radioactive isotopes, and
trace metals. Additionally, sediment...
-
bankruptcy in 2015. By 2015,
cultivation of
fatty acid
methyl esters and
alkenones from the algae, Isochrysis, was
under research. By 2016,
Thomas Brueck...
