Canada: projects/activities

Directory entires that have specified Canada as the primary or lead country for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. To see the full list of countries, see the countries list. The specified country may not be the geographic region where the activity is taking place - to select a geographic region, see the list of regions.

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Displaying: 1 - 5 of 5
1. Quantifying and reducing uncertainty in model calculations of global pollution fate

The main objective of the project is to describe quantitatively with model calculations the global distribution behaviour of persistent organic contaminants, and to establish credibility in the results of these simulations.

Arctic Contaminant transport Exposure Long-range transport Modelling PCBs Persistent organic pollutants (POPs) Pesticides Pollution sources Spatial trends Temporal trends
2. Assessment of spatial and temporal patterns of HCH isomers in the arctic environment

In order to assess the spatial and temporal patterns of the a-, b- and g-isomers of hexachlorocyclohexane (HCH) in the arctic biotic and abiotic environment, it is proposed that: (1) concentrations and ratios of HCH isomers be compared over time in air, water, seals, beluga, polar bears and seabirds to determine any shifts in isomeric ratios and how those shifts interrelate among the various media, and (2) concentrations and ratios of HCH isomers be compared spatially in the abiotic and biotic media and reasons for any patterns explored.

Shelf seas Pathways Organochlorines trends fish Long-range transport seawater Spatial trends HCH isomers Modelling Polar bear Arctic Persistent organic pollutants (POPs) sediment Seabirds Sediments Atmosphere Ocean currents Temporal trends zooplankton Marine mammals air
3. C-ICE 2001

The Collaborative Interdisciplinary Cryospheric Experiment (C-ICE) is a multi-year field experiment that incorporates many individual projects, each with autonomous goals and objectives. The science conducted has directly evolved from research relating to one of four general themes: i. sea ice energy balance; ii. numerical modeling of atmospheric processes; iii. remote sensing of snow covered sea ice; and iv. ecosystem studies.

Atmospheric processes Biology Mapping Climate variability Spatial trends Remote Sensing Sea ice Climate change Shipping Modelling Ice Polar bear Oceanography Arctic Ice cores GIS Energy Balance Food webs Data management MicroWave Scattering Atmosphere Ocean currents Ecosystems Marine mammals
4. Fluxes of Mercury from the Arctic Ice Surface during Polar Sunrise Conditions and Melt Conditions

The objectives of this project are: A) to determine the pathway for the transfer of mercury in snowmelt to sea water during the melt period at Alert; B) to determine the extent of open water and wet ice in the summer Arctic as it affects the surface exchange of Hg using satellite radar imagery; and C) to determine the atmospheric dynamics associated with the photochemistry of mercury episodically during the polar sunrise period.

trace metals satellite radar imagery radar Atmospheric processes melt open water acoustic sounding mercury Mapping Heavy metals Long-range transport Spatial trends Contaminant transport Hg Modelling Ice Arctic GIS radar imagery wet ice Atmosphere atmospheric boundary layer boundary layer
5. Global Gridded gamma-HCH and Endosulfan Emission Inventories

The aim of this project is to compile information and create a computerized database of historical and present global lindane and endosulfan usage data as well as emission data for gamma-hexachlorocyclohexane (gamma-HCH) and endosulfan with 1 degree x 1 degree lat/long resolution. The objectives of this project are: A) to create global gridded g-HCH and endosulfan emission inventories; B) to study the linkage between global g-HCH and endosulfan use trends and g-HCH and endosulfan concentration trends in the Arctic; and C) to assist in comparing concentrations and ratios of different HCH isomers in the Arctic biotic and abiotic environments.

Sources emission inventory b-HCH alpha-HCH Pollution sources Contaminant transport Modelling GIS a-HCH hexachlorocyclohexane Pesticides endosulfan beta-HCH Organochlorines Mapping lindane ß-HCH Long-range transport Discharges Spatial trends gamma-HCH gridded Emissions HCH Arctic Persistent organic pollutants (POPs) g-HCH Data management Atmosphere Temporal trends