Search Results: "Marine environment" OR "sediment" OR "heavy metals" OR "metals" OR "mercury (Hg)" OR "lead (Pb)" OR "cadmium (Cd)"

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Illustration of water, sediment and nutrient cycling in estuaries Freshwater flows outward, transporting sediments, plankton and also contaminants Material that sinks into the inflowing seawater may be trapped in the estuary Illustration of water, sediment and nutrient cycling in estuaries Freshwater flows outward, transporting sediments, plankton and also contaminants Material that sinks into the inflowing seawater may [..]
Comparison of monthly water and suspended sediment loads to the Mackenzie Delta plain for the period 1974-1983 Comparison of monthly water and suspended sediment loads to the Mackenzie Delta plain for the period 1974-1983
Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines indicate the source function of PCBs Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines [..]
Latitudinal fluxes of sum-PCB in dated sediment cores from 25 locations including 13 Arctic locations (in Canada, Finland, and Alaska) Latitudinal fluxes of sum-PCB in dated sediment cores from 25 locations including 13 Arctic locations (in Canada, Finland, and Alaska)
Concentrations of Hg in Arctic marine sediment cores Concentrations of Hg in Arctic marine sediment cores
Lead and zinc in a sediment core sampled in 1991, 15 km from the Black Angel mine in West Greenland Lead and zinc in a sediment core sampled in 1991, 15 km from the Black Angel mine in West Greenland
Concentration (pg/g dw) profiles for octachlorodioxin (OCDD) and total PCDD/Fs in dated sediment cores from Arctic Canada and Finland Sum-PCDD/Fs = sum of 2,3,7,8-substituted tetra- to octachloro D/Fs plus non-2,3,7,8-substituted congeners Concentration (pg/g dw) profiles for octachlorodioxin (OCDD) and total PCDD/Fs in dated sediment cores from Arctic Canada and Finland Sum-PCDD/Fs = sum of 2,3,7,8-substituted tetra- to octachloro D/Fs [..]
Generalized marine food web Generalized marine food web
Global emissions of Pb to the atmosphere from various sources and source regions in 1989 Numbers under the columns are maximum estimates of the total emissions in tonnes Global emissions of Pb to the atmosphere from various sources and source regions in 1989 Numbers under the columns are maximum estimates of the total emissions in tonnes
Spatial distribution of global emissions of Hg in 1990 within a 1° x 1° grid The total emission inventory is 2144 tonnes Hg Spatial distribution of global emissions of Hg in 1990 within a 1° x 1° grid The total emission inventory is 2144 tonnes Hg
Contributions from different continents and from different sources to the global emissions of Hg to the atmosphere Contributions from different continents and from different sources to the global emissions of Hg to the atmosphere
Winter and summer surface water temperatures in the Arctic Ocean and adjacent seas Winter and summer surface water temperatures (°C) in the Arctic Ocean and adjacent seas
Winter and summer surface water salinity in the Arctic Ocean and adjacent seas Winter and summer surface water salinity in the Arctic Ocean and adjacent seas
Circulation and water mass structure in the Arctic Ocean and Nordic Seas Mixing processes, such as brine formation, result in denser water that is transported off the shelves and into the deep basin Circulation and water mass structure in the Arctic Ocean and Nordic Seas Mixing processes, such as brine formation, result in denser water that is transported off the shelves and into the deep basin
Schematic representation of the temperature and salinity structure of the upper Arctic Ocean and how the halocline layer is maintained by brine-rich water produced on the shelves Schematic representation of the temperature and salinity structure of the upper Arctic Ocean and how the halocline layer is maintained by brine-rich water produced on the shelves

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