Trials and Tribulations of Life on an Active Subduction Zone: Field Trips in and around Vancouver, Canada

This volume, prepared for the 126th GSA Annual Meeting in Vancouver, Canada, offers guides to trips in the Cascadia subduction zone. The active tectonism of the region has had a profound effect on the bedrock and surficial geology of the area, and on human interactions with the geologic environment. These themes are reflected in the trips associated with the meeting. Trip topics relate to bedrock geology, volcanism and Cordilleran glaciation and deglaciation, as well as human interaction with the natural environment. The trips that discuss human interaction cover archaeology, natural hazards and the urban environment, as well as the role that local geology and tectonism have played in shaping colonization of the region since the last glaciation. The field guide volume has something for everyone!
Mount Baker lahars and debris flows, ancient, modern, and future
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Published:January 01, 2014
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CiteCitation
David S. Tucker, Kevin M. Scott, Eric E. Grossman, Scott Linneman, 2014. "Mount Baker lahars and debris flows, ancient, modern, and future", Trials and Tribulations of Life on an Active Subduction Zone: Field Trips in and around Vancouver, Canada, Shahin Dashtgard, Brent Ward
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Abstract
The Middle Fork Nooksack River drains the southwestern slopes of the active Mount Baker stratovolcano in northwest Washington State. The river enters Bellingham Bay at a growing delta 98 km to the west. Various types of debris flows have descended the river, generated by volcano collapse or eruption (lahars), glacial outburst floods, and moraine landslides. Initial deposition of sediment during debris flows occurs on the order of minutes to a few hours. Long-lasting, down-valley transport of sediment, all the way to the delta, occurs over a period of decades, and affects fish habitat, flood risk, gravel mining, and drinking...
- absolute age
- bedload
- C-14
- carbon
- Cenozoic
- dates
- debris flows
- geologic hazards
- glaciers
- Holocene
- isotopes
- jokulhlaups
- lahars
- landslides
- Little Ice Age
- mass movements
- middle Holocene
- moraines
- Mount Baker
- natural hazards
- Neoglacial
- Quaternary
- radioactive isotopes
- road log
- sediments
- seismograms
- siltation
- stratovolcanoes
- turbidity
- United States
- upper Holocene
- volcanoes
- Washington
- Whatcom County Washington
- northwestern Washington
- Bellingham Bay
- Elbow Lake
- Nooksack River
- Deming Glacier
- Ridley Creek