Vertical profiles of pore water and sediment solids chemistry were obtained from two sites in Lake Erie. Samples were collected using both gravity coring and pore water "peeper" techniques. In general, concentrations ...

This document presents fifteen technical guidelines to evaluate the suitability of an ecological indicator for a particular monitoring program. The guidelines are organized within four evaluation phases: conceptual relevance, ...

Raw and digested sludge from the New York Metropolitan area is presently barged out to sea for ultimate disposal. This report presents the results of laboratory studies to determine the effects of various types of sludge ...

The flow-duration curve is a cumulative curve that shows the percent of time specified discharges were equaled or exceeded during a given period. It combines in one curve the flow characteristics of a stream throughout ...