Assessing the contribution of combustion-derived contaminants to a remote subarctic environment from traffic on the Tibbitt to Contwoyto winter road (Northwest Territories, Canada)
Diamond mining in the Northwest Territories, Canada, is supported by a winter road.
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We measured metals and PACs in snow, water, and sediment from winter road lakes.
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Study lakes along the winter road spanned the treeline ecotone.
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The highest PAC concentrations were measured in boreal lakes.
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Forest fires, not traffic, are an important source of PACs to winter road lakes.
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