An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier. Since the ice forms from the incremental buildup...

height about 200,000 years ago. Several tephra layers encountered in ice cores at Mount Waesche and Byrd Station have been attributed to Mount Takahe...

intensification of the Little Ice Age. Early evidence of large eruption in 1450–1460 came from a massive sulfate spike recorded in ice cores in Antarctica with dating...

The Greenland Ice Core Project (GRIP) was a research project organized through the European Science Foundation (ESF). The project ran from 1989 to 1995...

temperature on Earth of −89.2 °C (−128.6 °F; 184.0 K). Research includes ice core drilling and magnetometry. Vostok (Russian for 'east') was named after...

past, proxy data can be used for example from tree rings, corals, and ice cores. Observing the rising GST over time is one of the many lines of evidence...

possible composition from traditional stony/iron, to ice or to fluid metallic hydrogen. Gas giant cores are proportionally much smaller than those of terrestrial...

1628 BCE. The Greenland ice core chronology offset was independently confirmed by other teams and adopted into Greenland Ice Core Chronology 2021 (GICC21)...

mentioned gases are now able to be seen with the new ice core samples from the European Project for Ice Coring in Antarctica (EPICA) Dome C in Antarctica over...

Dye 3 is an ice core site and previously part of the DYE section of the Distant Early Warning (DEW) line, located at (65°11′N 43°49′W / 65.183°N 43.817°W...

1458 sulfate spike was incorrectly assigned to be 1452 because previous ice core work had poor time resolution. The exact location of this eruption is uncertain...

West Antarctic ice cores with the Greenland Ice Sheet Project Two GISP2; they suggested a synchronous global cooling. An ocean sediment core from the eastern...

difficult to compare the details from continent to continent (see picture of ice core data below for differences). The most recent cooling, the Younger Dryas...

The European Project for Ice Coring in Antarctica (EPICA) is a multinational European project for deep ice core drilling in Antarctica. Its main objective...

upper boundary). The proposed section is the North Greenland Ice Core Project ice core 75° 06' N 42° 18' W. The lower boundary of the Pleistocene Series...

Britain it has been called the Loch Lomond Stadial. In the Greenland Summit ice core chronology, the Younger Dryas corresponds to Greenland Stadial 1 (GS-1)...

toolmaking Core sample, in Earth science, a sample obtained by coring Ice core Core, the central part of a galaxy; see Mass deficit Core (anticline)...

contexts. Examples of proxies include stable isotope measurements from ice cores, growth rates in tree rings, species composition of sub-fossil pollen...

Foundation Ice Core Facility (NSF-ICF), known as the National Ice Core Laboratory (NICL) before 2018, is the primary repository for ice cores collected...

the Greenland ice cores, which only go back to the end of the last interglacial, the Eemian interglacial (about 115,000 years ago). Ice core evidence from...

in the Camp Century 1963 core recurred in the Renland 1985 ice core. The Renland ice core from East Greenland apparently covers a full glacial cycle from...

site of the North Greenland Ice Core Project (NGRIP or NorthGRIP) is near the center of Greenland (75.1 N, 42.32 W, 2917 m, ice thickness 3085). Drilling...

Mountain glaciers and the polar ice caps/ice sheets provide much data in paleoclimatology. Ice-coring projects in the ice caps of Greenland and Antarctica...

winter") or impact events (meteorite or comet). In 2015, revision of polar ice core chronologies dated sulfate deposits and a cryptotephra layer to the exact...

Geologists working in different regions are studying sea levels, peat bogs, and ice-core samples, using a variety of methods, with a view toward further verifying...

led to ice coring drills being developed in the 1950s and 1960s, and there are now many different coring drills in use. For obtaining ice cores from deep...

regularly shed ice in what is known as ice calving. Sediment released from calved and melting ice sinks accumulates on the seafloor, and sediment cores from places...

first used to drill in ice in the 1890s, and thermal drilling, with a heated drillhead, began to be used in the 1940s. Ice coring began in the 1950s, with...

methanogenesis. In paleosciences, 18O:16O data from corals, foraminifera and ice cores are used as a proxy for temperature. It is defined as the deviation in...

Greenlandic ice cores, though some of the instability inferred from Greenland ice core project records may be a result of mixing of Last Interglacial ice with...