(The Canadian Press)

Collapse of Nunavut ice shelf ‘like losing a good friend:’ glaciologist

The ice shelf on the northwestern edge of Ellesmere Island has shrunk 43 per cent

A team of scientists placed research instruments into the Milne Ice Shelf in Nunavut last July, with plans to return to collect them this summer and study how the stability of the structure had changed.

The COVID-19 pandemic put that trip on hold. Then a week ago, the last remaining intact ice shelf in the Canadian arctic broke apart.

“And so we’ve lost not only the equipment, which is now drifting away in the Arctic Ocean, but also the information that it recorded over the time that it was out,” Carleton University glaciologist Derek Mueller said Friday.

The Canadian Ice Service said the ice shelf on the northwestern edge of Ellesmere Island has shrunk 43 per cent to 106 square kilometres from 187 square kilometres.

The calving event, captured by satellite, was not a surprise, Mueller said.

The ice shelf sits in a fjord sheltered by tall cliffs, so it had not melted as quickly as others.

While it managed to stay together until last week, Mueller said he had observed worsening cracks and rifts since he first started studying the area in 2004.

“It certainly has been changing — there’s no doubt. And, to me, it wasn’t really a question of if this breakup would happen. It was a question of when it would happen,” Mueller said.

“But still it hits home. It’s sort of like losing a good friend in a way.”

The ice shelf collapse also set adrift research into marine organisms, such as sponges and sea anemones, discovered in water pockets within the ice.

“We’re not sure what these consequences are for these animals. And certainly they won’t be where we were studying them, because that piece has drifted away from the shore,” Mueller said.

“If we find these kinds of animals again, I think it will be a stroke of luck.”

At the turn of the 20th century, 8,600 square kilometres of ice stretched along the northern coast of Ellesmere Island. By 2000, it was reduced to 1,000 and now it’s half that, Mueller said.

University of Ottawa glaciologist Luke Copland said in a news release that the temperature has been up to 5 C warmer this summer than the average between 1981 and 2010.

The region has been warming at two to three times the global rate, he added.

“This drastic decline in ice shelves is clearly related to climate change,” Copland said.

“The Milne and other ice shelves in Canada are simply not viable any longer and will disappear in the coming decades.”

Mueller said the ice shelf collapse should be a wake-up call.

“These ice shelves are well out of balance with the climate and I think their demise is inevitable,” he said.

“But, having said that, it’s not too late to make changes to the way we live and our carbon footprint.”

Lauren Krugel, The Canadian Press

Like us on Facebook and follow us on Twitter.

Want to support local journalism? Make a donation here.

Climate change

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

Thief steals ice cream bars from Oak Bay Dairy Queen

Oak Bay resident out nearly $10,000 as CRA scam strikes again

Lamborghini driver slapped with nearly $1,000 in fines while speeding in Central Saanich

Vehicle impounded by Central Saanich police, 11 points issued

West Shore RCMP arrives just in time thanks to tip

Officers remind of resources after mental health call Monday morning

Victoria police seek suspects in series of bear spray attacks

Police responded to several calls Saturday evening

Man arrested after speeding to Victoria court date for driving offence

West Shore RCMP remind drivers to be mindful of construction zones

Weekend sees 267 cases, 3 deaths in B.C.; Dr. Henry says events leading to COVID spread

There are currently 1,302 active cases in B.C., while 3,372 people are under public health monitoring

Shawnigan Lake’s Kubica gets 25 to life for murder in California

Former Shawnigan Lake man convicted of killing woman in 1990

Is it time to start thinking about greener ways to package cannabis?

Packaging suppliers are still figuring eco-friendly and affordable packaging options that fit the mandates of Cannabis Regulations

Join Black Press Media and Do Some Good

Pay it Forward program supports local businesses in their community giving

Police seek help in naming Cowichan farm stand theft suspect

Video captured man prying cash box out of stand on Norcross Road

She warned her son about toxic drugs, then he was dead

Donna Bridgman’s son died at the age of 38 in Vancouver

Duration of Tour de Rock stop in Chemainus much shorter than usual

Four alumni riders don’t get to come for breakfast in COVID year

B.C. VOTES 2020: Echoes of HST in B.C. debate over sales tax

Cannabis, tobacco, luxury cars still taxed in B.C. Liberal plan

B.C. food and beverage producers set record sales in 2019

Farmed salmon again leads international exports

Most Read