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Photographs of natural jamming of boulders in canyon constrictions and slit dams.
Posted inEditors' Highlights

Good or Bad Jam? Modeling Boulders’ Fate at Constrictions

by Mikaël Attal 23 May 202219 May 2022

A new modeling framework to assess the likelihood of jamming at constrictions can be used to support the design of effective mitigation measures and reduce risk in debris flow prone areas.

Autonomous underwater vehicle being loaded onto a ship
Posted inNews

Groundwater Flow May Contribute to Submarine Permafrost Thaw

by Jack Lee 18 May 202218 May 2022

New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.

Conceptual diagram showing hydrological processes and biogeochemical and mineralogical reactions control mine-drainage behavior from a waste-rock pile.
Posted inEditors' Highlights

Predicting Discharge Chemistry in Mine-Waste Rocks

by Kamini Singha 23 March 202224 March 2022

Quantifying integrated hydrological processes, biogeochemical reactions, and mineralogical characteristics can help predict water quality and quantity for mine-waste rock piles.

This aerial image shows two researchers exploring a sunken spring in the middle of a gray and white icy landscape. One researcher, dressed in blue, crouches inside a circular hole in the ice while a second researcher, dressed in black, stands to the left taking a photo.
Posted inNews

Lipids from Europa’s Ocean Could Be Detectable on the Surface

by Kimberly M. S. Cartier 10 March 202210 March 2022

A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.

A sunset over the ocean is seen through rope netting on a ship
Posted inScience Updates

Mapping a River Beneath the Sea

by Sebastian Krastel and David C. Mosher 28 January 202220 May 2022

A recent expedition mapped one of the world’s longest submarine channels, revealing previously undiscovered physical features and raising questions about its unusual origin and shape.

The coastline of Nova Scotia in eastern Canada
Posted inResearch Spotlights

The Role of Magma in the Birth of the Atlantic Ocean

by Jack Lee 25 January 202225 January 2022

High-resolution seismic models of the Nova Scotia margin reveal a role for magmatism in continental breakup, even at magma-poor sections of the eastern North American margin.

Five Wabanaki wampum bead belts.
Posted inNews

WAMPUM: An Indigenous-Designed Path to Sea Level Rise Adaptation

by Jane Palmer 16 December 202121 March 2022

Northeastern and mid-Atlantic tribal nations lived sustainably on the coastline for centuries before colonization. How can their experiences inform strategies for sea level rise adaptation?

An aerial view of Vancouver
Posted inNews

Crowdsourced Science Helps Map Vancouver’s “Smellscape”

by Brittney J. Miller 14 December 202121 March 2022

Exposure to stinky odors can affect human health, but quantifying smells can be difficult.

An icy Arctic vista is seen from a slight elevation. The landscape contains patches of white ice and randomly positioned pools of meltwater. Four scientists, small and seen from a distance, stand on the ice on the right side of the image.
Posted inNews

Melting Arctic Sea Ice Strengthens Tides

by Kimberly M. S. Cartier 21 October 202124 January 2022

If climate change throws off the seasonal freeze-thaw cycle of Arctic sea ice, it could trigger a reinforcing cycle of sea ice melt in parts of the Canadian Arctic.

Photograph of The Great Unconformity visible in The Grand Canyon
Posted inEditors' Highlights

The Great Unconformities?

by P. van der Beek 3 August 20213 May 2022

New thermochronology data and thermal history modeling from the Canadian Shield show that the Great Unconformity formed there later than elsewhere in North America and may represent another event.

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