The periglacial climate and environment in northern Eurasia during the Last Glaciation
نویسندگان
چکیده
منابع مشابه
Freshwater forcing of abrupt climate change during the last glaciation.
Large millennial-scale fluctuations of the southern margin of the North American Laurentide Ice Sheet occurred during the last deglaciation, when the margin was located between about 43 degrees and 49 degrees N. Fluctuations of the ice margin triggered episodic increases in the flux of freshwater to the North Atlantic by rerouting continental runoff from the Mississippi River drainage to the Hu...
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A multitracer study of a small aquifer in northern Switzerland indicates that the atmosphere in central Europe cooled by at least 5 degreesC during the last glacial period. The relation between oxygen isotope ratios (delta18O) and recharge temperatures reconstructed for this period is similar to the present-day one if a shift in the delta18O value of the oceans during the ice age is taken into ...
متن کاملLaurentide Ice Sheet meltwater and abrupt climate change during the last glaciation
[1] A leading hypothesis to explain abrupt climate change during the last glacial cycle calls on fluctuations in the margin of the North American Laurentide Ice Sheet (LIS), which may have routed fresh water between the Gulf of Mexico (GOM) and the North Atlantic, affecting North Atlantic Deep Water variability and regional climate. Paired measurements of dO and Mg/Ca of foraminiferal calcite f...
متن کاملEvidence of long-term seasonal climate forcing in rhizolith isotopes during the last glaciation
[1] High density carbonate rhizoliths were found from a loess-paleosol succession from the late Wisconsin period (21–11 ka) in Illinois. Their morphology shows that they formed in a close contact with living and decomposing roots, suggesting a root/microbial respiration origin. Carbon (dC) and oxygen (dO) isotopic analyses were performed on 36 and 37 individual rhizoliths of two separate 10 cm ...
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in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.
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ژورنال
عنوان ژورنال: Quaternary Science Reviews
سال: 2004
ISSN: 0277-3791
DOI: 10.1016/j.quascirev.2003.12.012