Výsledky vyhledávání - "Charles T. Schafer"

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Monitoring in Coastal Environments Using Foraminifera and Thecamoebian Indicators

Autor: David B. Scott, Franco S. Medioli, Charles T. Schafer

Foraminifera and thecamoebians are highly sensitive to environmental stress (natural or anthropogenic). This feature means that they can be used to biologically characterize a variety of freshwater and coastal marine environments. Due to their small

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Sediment fill of Baffin Island fjords: Architecture and rates

Autor: Jaia Syvitski, John T. Andrews, Charles T. Schafer, Jay A. Stravers

Publikováno v: Quaternary Science Reviews. 284:107474

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d70f56f885d8c3faece58a2c92e28b64
https://doi.org/10.1016/j.quascirev.2022.107474

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Seafloor and sediment characteristics of pulp mill waste discharges in the 20th century: Framework data for Boat Harbour, Nova Scotia, remediation projects and for baseline surveys of new pulp waste outfall installations in Northumberland Strait

Autor: Charles T. Schafer

Publikováno v: Proceedings of the Nova Scotian Institute of Science (NSIS). 51:127

During the 20th century, contamination of marine environments by Canadian pulp and paper mill effluent (PPE) resulted in the imposition of federal government regulations in 1971 that were revised and strengthened in 1992. This report reviews seafloor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97134e64957fff9805007b4e4340bbb9
https://doi.org/10.15273/pnsis.v51i1.10736

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Perspective on warm climate intervals and their history: How might coastal Canada adapt to an ocean-related and potentially negative impact of predicted warmer conditions?

Autor: Charles T. Schafer

Publikováno v: Proceedings of the Nova Scotian Institute of Science (NSIS). 49:205

Past warm intervals lasting from decades to centuries can be observed throughout the late Holocene geologic record using various proxy physical, chemical and fossil indices, in conjunction with seasonal information such as the timing of the first flo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::540be8962354fabed581c0a7c3e4b15d
https://doi.org/10.15273/pnsis.v49i2.8160

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Pilot study of fossil evidence of onshore-directed storm events in estuarine sediments: Chezzetcook Inlet, Nova ScotiaNatural Resources Canada Climate Change Impacts and Adaptation Program SST 20090027

Autor: Charles T. Schafer, Franco S. Medioli

Publikováno v: Canadian Journal of Earth Sciences. 46:193-205

Sediment cores collected from the landward side of a baymouth barrier in a lower estuarine environment of Chezzetcook Inlet contain proxy “signals” of onshore-directed storms that are manifested by the sudden appearance of benthic and planktic Fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c393515d5e15790916441bb6b40bc8c
https://doi.org/10.1139/e09-015

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Sedimentation, bioturbation, and Hg uptake in the sediments of the estuary and Gulf of St. Lawrence

Autor: John N. Smith, Charles T. Schafer

Publikováno v: Limnology and Oceanography. 44:207-219

Sedimentation rates and mixing depths have been estimated from the application of a two-layer biodiffusion model to 210 Pb profiles in sediment cores collected in the Laurentian Trough in the Estuary and Gulf of St. Lawrence. Sedimentation rates decr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fc5dec73d60d1d1352218c7613a0f49
https://doi.org/10.4319/lo.1999.44.1.0207

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Evidence for an earthquake-triggered basin collapse in Saguenay Fjord, Canada

Autor: James P. M. Syvitski, Charles T. Schafer

Publikováno v: Sedimentary Geology. 104:127-153

On February 5, 1663, perhaps the largest earthquake ever witnessed in eastern North America struck the Saguenay Fjord basin with such force that landslides and submarine slides were triggered over a wide region. Over 3 km 3 of clayey Holocene sedimen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d12d875a9ca68ce8c179fa0c4ac88e0c
https://doi.org/10.1016/0037-0738(95)00125-5

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Temporal variations of benthic foraminiferal assemblages under or near aquaculture operations; documentation of impact history

Autor: D. C. Younger, David B. Scott, Charles T. Schafer, C. Honig

Publikováno v: The Journal of Foraminiferal Research. 25:224-235

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e5789b54a7f49bd3f875bdb0d272877
https://doi.org/10.2113/gsjfr.25.3.224

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Survey of living Foraminifera and polychaete populations at some Canadian aquaculture sites; potential for impact mapping and monitoring

Autor: C. Honig, P. Pocklington, Charles T. Schafer, F. E. Cole, G. V. Winters, David B. Scott

Publikováno v: The Journal of Foraminiferal Research. 25:236-259

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31eaecee674a7dca5c04c1485d4be4ae
https://doi.org/10.2113/gsjfr.25.3.236

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Relationship of Foraminifera and thecamoebian distributions to sediments contaminated by pulp mill effluent: Saguenay Fiord, Quebec, Canada

Autor: Charles T. Schafer, John N. Smith, Eric S. Collins

Publikováno v: Marine Micropaleontology. 17:255-283

Gravity cores and grab samples collected in the Saguenay Fiord between 1976 and 1988 contain the record of a 20th century benthic marine environment contaminated primarily by organic matter discharges from several local pulp and paper mills.Spiroplec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5674054fd002a662fbdc0669dfc01b15
https://doi.org/10.1016/0377-8398(91)90016-y

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