Bummer in the overheated Arctic: Measuring the water temperature can be hard when you need to "drill through 100 meters of ice" to do it

Again, a Glacier Downsizes - NYTimes.com

“Measuring the water temperature sounds easy enough, but not when you have to use a submarine to do it, or drill through 100 meters of ice,” Dr. Münchow said. “Not to mention just the expense of getting out there. I just bought a one-way ticket for $3,000.”