Geomorphological Regional Curves for Prediction of Drainage Area and Screening Modern Analogues for Rivers in the Rock Record

Soil is a powerful and active absorber of many substances, assumes the pressure of industrial and municipal emissions and waste, and performs the important role of a buffer and a detoxicant. It accumulates heavy metals, pesticides, hydrocarbons and other chemical polluting substances and due to the soil absorbing complex (SAC) strongly captures and protects natural waters and the atmosphere from harm. Applying sewage sludges in our research will enable us to strengthen the capacity of SAC and to reduce the toxicity of heavy metals when they enter a reservoir via a drain from anthropogenically polluted territory.

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Evaluation of Landfill Effects on Aquatic Ecosystems Using Benthic Macro-Invertebrates

Water Science & Technology ◽

10.2166/wst.1992.0738 ◽

1992 ◽

Vol 26 (9-11) ◽

pp. 2365-2367

Author(s):

L. Cingolani ◽

A. Morosi

Keyword(s):

Aquatic Ecosystem ◽

Aquatic Ecosystems ◽

Drainage Area ◽

Taxonomic Level ◽

Significant Difference ◽

Downstream Communities

The aim of this work was to verify the effectiveness of benthic macro-invertebrate observation in providing information about the effects of a landfill on an aquatic ecosystem. A significant difference between upstream and downstream communities from landfill drainage area was found. The adopted taxonomic level was sufficient to reach our object.

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Technical solutions envisaged in managing solids in combined sewer networks

Water Science & Technology ◽

10.2166/wst.1996.0220 ◽

1996 ◽

Vol 33 (9) ◽

pp. 237-244 ◽

Cited By ~ 5

Author(s):

Ghassan Chebbo ◽

Dominique Laplace ◽

André Bachoc ◽

Yves Sanchez ◽

Benoit Le Guennec

Keyword(s):

Large Scale ◽

Suspended Solids ◽

Drainage Area ◽

Bed Load ◽

Urban Drainage ◽

Combined Sewer ◽

Wet Weather ◽

Technical Solutions ◽

Dry Weather Flow ◽

Sewer Networks

Solids in combined sewer networks represent two important technical questions: - the clogging of man-entry sewers, and - pollution in urban wet weather discharges, whose main vectors are generally suspended solids. In this paper, we shall present first, curative technical solutions which avoid or remove deposits in man-entry sewers. We shall discuss the partial extraction of the largest solids; selective trapping of bed load solids, which form deposits; and the displacement of deposits using dry weather flow flushing waves. We shall then examine technical solutions to control pollution in urban wet weather discharges. This will show that decantation is an efficient means of fighting pollution. However, it is not always feasible because it involves large scale investments. Complementary methods should, therefore, be developed and used at different points in the water's passage through an urban drainage area.

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