Suitability of different conceptual models for assessing the hydrology of a full scale pilot landfill

Title

Suitability of different conceptual models for assessing the hydrology of a full scale pilot landfill

 Author

Baviskar, S.M.
Heimovaara, T.J.

Faculty

Civil Engineering and Geosciences

 Department

Geoscience & Engineering

 Date

2011-04-27

 Abstract

Leachate emission to the groundwater is considered to be one of the largest longterm impacts related to landfilling. Recently we started a program, partly subsidized by the Dutch Technology foundation STW, aimed towards developing a frame work which allows for a quantitative assessment of the long-term emission potential of a landfill. The research program is closely connected to a number of pilot-projects which will be carried out by the Dutch landfill operators Afvalzorg and Attero. These pilots aim to reduce the long-term emission potential by a combination of leachate recirculation and landfill aeration. This research program will test innovative monitoring techniques, carry out additional monitoring, and develop a modeling frame work in order to get as much information as possible from the pilot projects. Within this program a PhD-project started in September 2010 which is focused on quantification of the hydrological processes involved in controlling the long-term emission potential. A large number of different approaches have been used in the past to describe landfill hydrology. These concepts range from fully mechanistic approaches based on the Richards equation and water retention curves to fully empirical exponential release curves. Currently we are evaluating how the different approaches used in the past can be used within the context of the pilot projects and our research program. We will present a range of different concepts and compare the performance of these concepts with respect to aspects which we deem important such as preferential flow, leachate production with time, peak delay time as a result of precipitation events etc. Parametrization and impact of heterogeneity will also be taken in to account as well.

 To reference this document use:

http://resolver.tudelft.nl/uuid:667e6abd-0dab-4d76-ae5d-075c2462cc02

 Source

HPM4: Proceedings of the 4th International Workshop "Hydro-Physico-Mechanics of Landfills", Santander, Spain, 27-28 April 2011

 Part of collection

Institutional Repository

 Document type

conference paper

 Rights

(c) 2012 The Author(s)
Files
PDF 275146.pdf 180.14 KB
Close viewer