This week the NOAA Ship Fairweather is completing her 30-day hydrographic reconnaissance survey in the Arctic. The crew’s personal observations during this successful cruise brings home the importance of measuring ocean depths and updating nautical charts with precise and accurate modern data. Ensign Owen provides Fairweather’s last blog post for this project. – DF
by Lt. Madeleine Adler, NOAA, Navigation Officer, NOAA Ship Ferdinand R. Hassler
NOAA Ship Ferdinand R. Hassler recently submitted a multibeam echo sounder survey of two sunken World War I era battleships to the Office of Coast Survey. Hassler, which was commissioned earlier this summer, surveyed the site of these two wrecks while transiting through the area during test and evaluation operations in 2011, and has been using the resulting dataset for calibration purposes since then. Although the wreck locations were well known, they had never been surveyed with modern techniques.
The ships are USS New Jersey and USS Virginia, which were intentionally sunk during aerial bombing experiments in 1923. U.S. Army Colonel Billy Mitchell, a pioneer of military aviation, urged the Navy to investigate the effectiveness of aerial bombing against surface vessels. As part of a series of tests, the Navy anchored the two obsolete “White Fleet” battleships off Cape Hatteras in September 1923 to serve as targets. Bombers under Mitchell’s direction sank both ships in short order. The success of these tests had a significant influence on subsequent development of U.S. air power and air defense for naval vessels.
1200 hours, August 12, 2012: 70°38.7’N 162°06.6’W, approximately 22 miles north of Icy Cape, Alaska’s North Slope
In 1963, the town of Point Hope (68° 21’N 166°46’W) – a small, ancient, and archeologically-significant Inupiaq community on Alaska’s North Slope that remains at present a largely native village – narrowly avoided the creation of an artificial harbor by underwater hydrogen bombs. Part of “Project Plowshare,” the planned creation of a deepwater harbor by thermonuclear power was intended to demonstrate the peaceful use of nuclear power for construction purposes. It was opposed by Native American communities, scientists in the state, and the Episcopalian church across the United States. The protest has been credited as one of the first government projects successfully challenged on the grounds of its potential environmental impact.
NOAA’s Office of Coast Survey, Alaska, and the nation’s economic vitality have been intertwined for 145 years. We strengthen that bond on August 1, as NOAA Ship Fairweather begins a reconnaissance survey to the northernmost tip of the Alaska’s Arctic coast. Fairweather will check soundings along a 1,500 nautical mile coastal corridor from Dutch Harbor, Alaska, to the Canadian border. (At least, we hopeFairweather can go all the way to the Canadian border… The ice cover is a little stubborn this summer, and may not recede sufficiently for safe passage. CMDR Jim Crocker, the ship’s commanding officer and chief scientist of the party, will keep us updated through the coming weeks. Watch this blog site for Fairweather updates!)