TY - JOUR AU1 - North, Gerald R AU2 - Kraucunas, Ian AU3 - AB - 34 Science Highlights: Open Section Paleoclimatic implications climatic changes, as well as peri- alyst for human evolution. In this The alternating wet and dry phas- ods of maximum eccentricity. The respect, the close link between la- es during the last 3 Ma correlate period between 2.7 and 2.5 Ma cor- custrine environments and sites of with numerous other humidity responds to the onset of Northern early hominin occupation is intrigu- paleoclimate indicators in East Af- Hemisphere Glaciation, the period ing. Based on these observations, rica, such as mammal assemblages, between 1.9 and 1.7 Ma corresponds we identify two important issues in fossil forest leaves, wood and pol- to a signifi cant shift in the Walker mammalian and hominin evolution len, as well as with Mediterranean Circulation, and the interval be- in East Africa. First, sustained peri- sapropels and dust. The most fas- tween 1.0 and 0.8 Ma corresponds to ods of amenable climatic and en- cinating phenomenon in this con- the initiation of the Mid-Pleistocene vironmental conditions lasting for text is the anti-correlation between Revolution. The phases of high lake- protracted periods on the order of 4 5 the East African lake levels and levels in the Ethiopian and TI - Surface temperature reconstructions for the last 2000 years JF - PAGES news DO - 10.22498/pages.14.2.34 DA - 2006-08-01 UR - https://www.deepdyve.com/lp/unpaywall/surface-temperature-reconstructions-for-the-last-2000-years-T8DZXafSUO DP - DeepDyve ER -