To gain insights into the mechanisms of abrupt climate change within interglacials, we have
examined the characteristics and spatial extent of a prominent, climatically induced …

The Medieval Climatic Optimum (also known as the Little Climatic Optimum, Medieval Warm
Period, or Medieval Warm Epoch) refers to a period of climatic history during which …

The Holocene epoch, which followed the last major pulse of glaciation (the Younger Dryas)
at the end of the last glaciation, encompasses a period before there was any substantial …

Background The lack of instrumental data before the mid-19th-century limits our
understanding of present warming trends. In the absence of direct measurements, we used …

The time span of the past few million years has been punctuated by many rapid climate
transitions, most of them on timescales of centuries to decades. The most detailed …

A frequent conclusion based on study of individual records from the so-called Medieval
Warm Period (∼ 1000-1300 AD) is that the present warmth of the 20 th century is not …

In the northeastern St. Elias Mountains in southern Yukon Territory and Alaska, C14-dated
fluctuations of 14 glacier termini show two major intervals of Holocene glacier expansion …

A data set of 180radiocarbon, tree-ring and archaeological dates obtained from sediment
sequences of 26 lakes in the Jura mountains, the northern French Pre-Alps and the Swiss …

The field of historical climatology is situated at the interface between climatology and
(environmental) history, and deals mainly with documentary evidence employing the …

Data on glacier, tree-line, tree-ring, pollen, and ice-core variations in North America,
Greenland, and Europe during the last 2000 yr (up to AD 1800) are compared in detail on …