Paleotemperature Changes in the Upper and Middle Pleistocene

Abstract

Abstract. By the combination of land and sea data the author came to the conclusion that the duration of the Middle and Upper Pleistocene glacial ages was of the same order of magnitude. The temperature of the glacial ages was not exactly the same, but each younger glacial age was a little colder than the preceding one. Similarly, each younger interglacial age was a little cooler than the preceding one. Bringing together all known data the complex Pleistocene generalized paleotemperature curve is constructed showing the main trend of the temperature evolution from Mindel glacial until now, spanning the time of about 400,000 years.

Past, present and future suitable areas for the relict tree Pterocarya fraxinifolia (Juglandaceae): Integrating fossil records, niche modeling, and phylogeography for conservation

“…The role of Pterocarya become significant in the pollen floras of Neogene period (Miocene and Pliocene), thus indicating the common occurrence of the wingnut in the wetland vegetation of Europe in this epoch. During the Pleistocene, pollen grains of Pterocarya were found in NE, WE, CE and EE in all interglacial phases, until the Holsteinian (Binka et al 2003;Hrynowiecka and Winter 2016;Krupinski 1995;Nitychoruk 1994;Segota 1967;Stachowicz-Rybka et al 2017;Winter 2001). In Southern Europe, Pterocarya pollen was found in most profiles, ranging from very low frequencies, from less than 2% to even more than 50% in the Middle Pleistocene site of Riano (Follieri 1962), where also macroremains of wingnut were discovered (Follieri 1958).…”

Arquitectura bioclimática y geodiseño; nuevos paradigmas

“…Esta era se presentó en distintas partes del mundo. La expansión del Glaciar de Würm data aproximadamente de hace 48,000 años, mientras que su recesión se dio hace 12,000 años (Segota, 1967). Esta era glacial en Norteamérica se conoce como la glaciación de Wisconsin comprendida entre hace 25,000 y 10,000 años (Clayton, 2006).…”