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...

evidence, going back millions of years. More recently, information from ice cores covers the period from 800,000 years before the present time until now...

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...

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...

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...

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

Greenland ice cores provide estimates for the start and end of the Younger Dryas. The analysis of Greenland Summit ice cores, as part of the Greenland Ice Sheet...

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...

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...

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...

comparing the details from continent to continent difficult (see picture of ice core data below for differences). Around 12,800 years ago, the Younger Dryas...

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

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...

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

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...

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...

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...

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)...

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

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...

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...

data from Greenland ice cores showed evidence of individual solar particle events, including the Carrington Event. More recent ice core work, however, casts...

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...

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...

Biscayarfonna in Svalbard. Glacier Iceberg Ice cap climate Ice core Ice shelf List of glaciers in Russia Sea ice Benn, Douglas; Evans, David (1998). Glaciers...

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...

sky, like thunder. Ice core chronology and tree ring dating allows extremely precise dating to the exact calendar year of any ice depth in the Common...

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