Sentences with phrase «lacustrine record»

Not exact matches

They write, «The occurrence of humid periods previously identified in lacustrine or speleothem records highlights the complexity and heterogeneity of the Arabian paleoclimate, and suggests that interior migration pathways through the Arabian Peninsula may have been viable approximately every 23,000 years since at least marine isotope state (MIS) 6,» about 191 thousand years ago.

New evidence of Holocene climate and atmospheric circulation variability, inferred from lacustrine stable isotope records from Gotland, southern Sweden Francesco Muschitiello, Dan Hammarlund, Barbara Wohlfarth

A 2100 - yr decadal - resolution salinity and aridity proxy record of lacustrine ostracode - shell Mg / Ca ratios from a closed - basin lake in the northern Great Plains shows statistically significant periodicities of ∼ 400, 200, 130, and 100 yr.

Additional stops highlight the strandline and sediment record of the youngest glacial lake phase (glacial Lake Duluth), including the inspection of Lake Superior sediment cores that are archived at the National Lacustrine Core Repository in Minneapolis.

Rapid lacustrine response to recent High Arctic warming: a diatom record from Sawtooth Lake, Ellesmere Island, Nunavut.

I assume the error bars are cumulative — i.e., tree rings have a certain error bar, and ice cores have their error bars, and so do corals and lacustrine cores (I hope I used the right term there), and all of them add or multiply together (multiply, if I understand it correctly) when homogenizing and compiling them into one record.

A similar negative trend is seen in most other Holocene paleoclimate records from northern Sweden, e.g. changes in tree - limit (Karlén 1976; Kullman 1995); pollen (Barnekow 1999); chironomids (Larocque and Bigler 2004); oxygen - isotopes in lacustrine biogenic silica (Shemesh et al. 2001) and in lacustrine carbonates (Hammarlund et al. 2002).