Drill, Thermal

2018 Spring

Equipment Updates

Thermal Drill
Updated science requirements for IDDO's Thermal Drill were finalized at the end of February. A thermal or power limiting feature is being planned as part of the system upgrades, to help prevent premature heat ring failure. A benchtop testing procedure was initiated during the quarter and a number of thermal/power limiting options are under consideration. A manufacturer of suitable heat ring elements has been identified, and a core removal tool was designed and built making use of magnets to disengage the core dogs.

2017 Winter

Equipment Updates

Thermal Drill
IDDO engineers researched potential vendors for new heat rings, as the former model is now out of production. IDDO also worked with IDPO and community scientists (Rick Forster, Lora Koenig, Peter Neff, Eric Steig) to iterate on a Science Requirements document before planned modifications are made to extend the Thermal Drill's depth capability to 300 meters, as is called for in the Long Range Science Plan.

2015 Spring

Greenland Firn Aquifer Project Battles Tremendous Snowfall

In late March, IDDO engineer Josh Goetz deployed with the Greenland Firn Aquifer project science team (Forster, PI) to Kulusuk in Southeast (SE) Greenland. After issues with poor weather and with helicopter availability, the team made it into the icecap in SE Greenland and drilled the first of four planned holes into the firn aquifer layer. A thermistor string was placed in the borehole, and while the plan was to then move to a second site, an unusually heavy pair of storms descended upon the camp, dropping approximately 2.5 meters of snow in just five days, precluding movement to the second site. Shown in the photo below, snow has completely covered the drill winch and nearly half of the 3.2 meter tall drill tower. It is surmised that the first storm encountered was the remnant of a hurricane that formed off the coast of Newfoundland.

The thermal drill covered in snow in SE Greenland.

A spring storm brought ~2.5 m of snow to the Greenland Firn Aquifer project camp.

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Requesting Ice Drilling Support

If you are preparing a proposal that includes any kind of support from the IDPO-IDDO, you must contact IDPO ( IceDrill@Dartmouth.edu ) at least six weeks before you submit your proposal to obtain a Letter of Support and a Scope of Work document that MUST be included in your proposal.

Program Information

The U.S. Ice Drilling Program conducts integrated planning for the ice drilling science and technology communities, and provides drilling technology and operational support that enables the community to advance the frontiers of climate and environmental science.

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