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  1. In-Depth Newsletter

Fall 2011

National Ice Core Lab intern Mick Sternberg measures the final section of ice core from the WAIS Divide project

Getting to the Bottom: NICL Team Processes Deepest Ice from WAIS Divide Project

By Peter Rejcek, Antarctic Sun Editor
Courtesy: The Antarctic Sun, U.S. Antarctic Program

Mick Sternberg had literally made the same measurement a thousand times before. But this meter-long ice core was perhaps just a little more special.

A contractor welds the liquid return line that allows the NICL freezer to be cooled by either one of the two new evaporative condenser units

NICL Update - Evaporative Condenser Unit

By Betty Adrian, Acting Technical Director, NICL

On October 20, 2011 the NICL refrigeration system was officially cooled using the new backup evaporative condenser unit (ECU-2).

CPS logo

CH2M HILL Polar Services Wins Arctic Contract

On 28 September 2011, NSF awarded CH2M HILL the Arctic Research Support and Logistics Contract to provide research support and logistics services for NSF-sponsored research in the Arctic.

Diagram of the sonde for the DISC Drill's replicate coring system

Replicate Ice Coring System

By Joe Souney, Ice Drilling Program Office

Replicate coring is the act of deviating out of an existing borehole to collect additional ice samples from depth intervals of particular interest.

The U.S. National Ice Core Laboratory (NICL) houses approximately 17,000 meters of ice cores recovered from Greenland and Antarctica that are available for study

NICL Use and Ice Core Access

The U.S. National Ice Core Laboratory (NICL) houses approximately 17,000 meters of ice cores recovered from Greenland and Antarctica that are available for study.

Photo of Mark Twickler

Message from the Director - Fall 2011

By Mark Twickler, NICL-Science Management Office, University of New Hampshire

2011, what a remarkable year for U.S ice coring. WAIS Divide reached a milestone at 3,331 meters depth, creating the deepest ice core ever drilled by the U.S. and the second deepest ice core ever drilled by any group.

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Operated by US Geological Survey USGS logo

This material is based upon work supported by the National Science Foundation through an Interagency Agreement (NSF-1822953) to the U.S. Geological Survey. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or the U.S. Geological Survey.

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