12/19/2013 03:06 EST | Updated 02/18/2014 05:59 EST

Global Warming Data Lost Over Time: UBC Study

VANCOUVER - A University of B.C. researcher was studying the effect of global warming on plants when she needed data that was about five decades old to compare with recently gathered information.

Lizzie Wolkovich wanted to determine how global warming was affecting plant populations but wasn't able to access some of the data three years ago.

Her experience illustrates the all-too-common loss of scientific data, which has now been examined in a study by University of B.C. researcher Tim Vines.

Vines, of UBC's zoology department, examined 516 international zoological studies archived in the school's biodiversity centre and found that the data was inaccessible because of faulty contact information and obsolete storage devices.

He said many professors list email addresses as their preferred method of contact, but they're often outdated within a few years.

Vines said the information is lost when the contact information becomes obsolete because professors are often the only ones keeping their data and that storage devices such as floppy disks become out of date.

It takes a lot of effort to retrieve information from obsolete devices, and it usually doesn't end up happening, he said.

"They’re not going to go through the length to get you the data, so the data’s effectively unavailable — it’s effectively lost."

The loss of scientific data is a huge waste of research funds and the information should be archived online to preserve it, he said.

In Wolkovich's case, she knew that one set of data spanning 15 years and collected by a U.S. Department of Agriculture researcher named Melvin McCarty would be valuable to her research.

But when Wolkovich tried getting hold of the man, she learned he'd died and that none of his colleagues or friends knew how to retrieve the valuable information.

The data he'd gathered was lost forever.

"I think there's been an issue," Wolkovich said, "of people not recognizing the value of data — especially back then."

"If only we had known, and people were trying harder to protect this data we'd have a lot more information on what's going on with global climate change."

Vines' study is published in the journal Current Biology.

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