Transport pathways for fluorinated compounds

Transport pathways for fluorinated compounds
Transport pathways for fluorinated compounds

Sources of PCFAs in the environment

Sources of PCFAs in the environment. Pies represent relative magnitudes of different sources; values are in tonnes
Sources of PCFAs in the environment

Time series of PBDEs and HBCD in Arctic wildlife

Time series of PBDEs and HBCD in Arctic wildlife
Time series of PBDEs and HBCD in Arctic wildlife

PBDEs and HBCD in polar bears

PBDEs and HBCD in polar bears
PBDEs and HBCD in polar bears

PBDEs in ringed seals

PBDEs in ringed seals
PBDEs in ringed seals

PBDEs and HBCD in beluga

PBDEs and HBCD in beluga
PBDEs and HBCD in beluga

PBDEs and HBCD in seabirds

PBDEs and HBCD in seabirds
PBDEs and HBCD in seabirds

PBDEs in Arctic air

PBDEs in Arctic air. Particles in Arctic haze allow BFRs to transport to the Arctic from more southerly source regions. This may include DecaBDE, which was previously thought not to transport over [..]
PBDEs in Arctic air

Contaminant emissions, transport and deposition in the Arctic

An illustration of the interplay between a) contaminant emissions distribution for sulfur dioxide and b) frequency of atmospheric south-to-north transport, yielding c) a net annual input of sulfur to [..]
Contaminant emissions, transport and deposition in the Arctic

Poleward energy flux

Modeled annual variation in poleward energy flux through latitude 70°, as effected by transient eddies (TE), standing eddies (SE), and mean meridional circulation (MMC) for the atmosphere from the [..]
Poleward energy flux

Peat mound bog

Cross-section of a peat mound bog
Peat mound bog

Atmosphere-surface exchange

Schematic diagram of processes of atmosphere-surface exchange
Atmosphere-surface exchange

Arctic air masses and atmospheric transport routes

The mean position of the Arctic air mass in winter (January) and summer (July), superimposed on the (summer value % (orange) - winter value % (blue)) frequency of major south-to-north transport routes [..]
Arctic air masses and atmospheric transport routes

Arctic atmospheric circulation

The mean circulation of the lower atmosphere during January and July as depicted by mean streamlines of the resultant winds
Arctic atmospheric circulation

Major pathways of contaminants into and within the Arctic environment

A multi-compartment schematic diagram of the major pathways of contaminants into and within the Arctic environment
Major pathways of contaminants into and within the Arctic environment



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