Field investigations of transport and fate of pesticides in a sandy aquifer

Project Details

Description

: The behaviour of selected pesticides will be studied in the field e.g. migration, sorption, and degradation. A continuous injection experiment will be conducted for ambient flow gradients in an aerobic sandy aquifer. Hydrological and geochemical characteristics of the aquifer are already known. The lmicrobiological and sorption characteristics of the aquifer will be characterized. Selected pesticides and conservative tracer will continuously be injected for a period of 0.5-1 year. Multilevel samplers installed downstream of the injection will be monitored frequently during a period of about two years. The experiment will be evaluated based on: (1)breakthrough curves at sampling ponts downstream of the injection and (2) reactive solute transport simulation of the pesticide plume using a model developed and evaluated in this project. From the breakthrough data, dilution, sorption, and degradation can be determined and field degradation rates calculated. The spatial distribution of the pesticide plume will be determened by synoptic sampling at all monitoring points (2-3 times). The field investigation will be planned in detail autumn 1997.

The project is made in collaboration with GEUS and Department of .... (ISVA), and is fundes by The Danish Environmental Research Programme. The project period is 1997-1999.
Acronym97
StatusFinished
Effective start/end date01/01/199731/12/1999

Fingerprint

Explore the research topics touched on by this project. These labels are generated based on the underlying awards/grants. Together they form a unique fingerprint.