PCBs are a mixture of biphenyls with 1 to 10 chlorine atoms (Figure 1). Each variation of this structure is called a congener, and there are a total of 209 congeners. Within any environmental sample ...

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Rapid sedimentation in the upper and central portions of tributary estuaries of the Chesapeake Bay typically has been attributed to clearing of land and subsequent upland erosion since European ...

Steep-sided underwater canyons on the continental margin bordering the Pacific Ocean off the US West Coast (State of Washington). These geological features were formed by erosion processes on the ...

Conventional microbiological surveys, relying on periodic sampling of the water column, were unable to identify sources of fecal contamination at a local beach in North Vancouver, B.C., Canada. Many ...

A four-year field experiment conducted on the shores of restored Lake Mustijärv in Viljandi, Estonia, has revealed that recycling phosphorus-rich lake sediments back to agriculture could have positive ...

River deltas are coastal accumulations of sediment derived from the land and organic material that rivers have brought to the sea as well as organic matter, predominantly peat, developed on the ...