THEORETICAL BASES AND EXPERIMENTAL ANALYSIS OF SOIL SOLUTION TRANSFORMATION UNDER INDUSTRIAL POLLUTION AND REHABILITATION OF SOILS

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THEORETICAL BASES AND EXPERIMENTAL ANALYSIS OF SOIL SOLUTION TRANSFORMATION UNDER INDUSTRIAL POLLUTION AND REHABILITATION OF SOILS

Project No. 05-04-48460
Research Project of the Russian Foundation for Basic Research
(Biological Sciences)
January 2005-December 2007

Project Leader:

Dr. Galina Koptsik
Soil Science Faculty, Moscow State University
(for addresses see below)

Participants:

Dr. Sergey Koptsik, Physics Faculty, Moscow State University

Svetlana Livantsova, Researcher, Soil Science Faculty, Moscow State University

Igor Ermakov, Post-graduate, Soil Science Faculty, Moscow State University

Irina Smirnova, Post-graduate, Soil Science Faculty, Moscow State University

Irina Skvortsova, Student, Soil Science Faculty, Moscow State University

Yana Shevchenko, Student, Soil Science Faculty, Moscow State University

Zlata Tonkova, Student, Soil Science Faculty, Moscow State University

Objectives:

Transformation of soils solutions under air pollution impact.

Adsorption of heavy metals by soils in batch experiments.

Movement of heavy metals in undisturbed soil columns.

Composition of soil solutions as a key in monitoring of soil remediation.

Prediction of soil solution changes in response to soil contamination and rehabilitation with dynamic bigeochemical models.

Summary:

The project aims to study, both theoretically and experimentally, response of soil solutions to contamination/remediation of soils by/from heavy metals. The main attention is paid to contaminated soils in the vicinity of the major emitters of heavy metals in northern Europe - the nickel-copper smelters Pechenganikel and Severonikel in the Kola Peninsula. Both soil solution and solid phase chemistry will be analysed to get inside the soil transformation under pollution impact. Key processes determining heavy metal partitioning in soils and soil solutions will be studied both in field and laboratory experiments. The influence of soil texture, organic matter and pH on metal sorption, mobility and bioavailability will be estimated. For comparison, a large number of forest soils with different texture, mineralogy and chemistry were investigated in the taiga zone of European Russia. Long-term response of soils solutions to different deposition scenarios and remediation will be evaluated.