A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model

Gustavo Aiex Lopes; Amarildo Cruz Fernandes; Estevao Freire

doi:doi:10.11648/j.ajep.20211006.16

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A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model

Gustavo Aiex Lopes, Amarildo Cruz Fernandes, Estevao Freire

Published in American Journal of Environmental Protection (Volume 10, Issue 6)

Received: 8 December 2021 Accepted: 23 December 2021 Published: 31 December 2021

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Abstract

Interactions between several parameters to estimate leachate and biogas production are very complex especially in irregular disposal areas without operational control and with few climate information. Nevertheless, the modeling challenges can be overcome using a System Dynamics (SD) approach that allows measure long term dynamics of a complex system. The proposed model is based upon a computer simulation to understand circular causality among soil water balance model and modified first-order decay methane generation aided by MSW landfilled volume calculation from Digital Terrain Model. The leachate accumulated is considered as targets for the calibration and validation. A model test run demonstrated that measured and calculated values of the leachate flow rate, applied in Volta Redonda’s uncontrolled landfill (Brazil) with a spatial resolution of 4,3 cm, were similar (RMSE = 0.10013 and SD = 0.0994). The SD model fitted with higher accuracy with the real data, indicating differences less than 8% for leachate production. After landfill methane generation parameters translating among first-order decay model it was found k = 0.28 1/yr and the L₀ = 62,18 (m³ CH₄/ton waste). The obtained result were compared to the LandGEM modified model results and shows that the proposed method was capable of predicting the final productivity without overestimating the methane yield and was also able to capture the system behavior.

Published in	American Journal of Environmental Protection (Volume 10, Issue 6)
DOI	10.11648/j.ajep.20211006.16
Page(s)	166-182
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

MSW Irregular Disposal Areas, System Dynamics, Remote Sensing, Simulation, Leachate, Biogas

References

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Gustavo Aiex Lopes, Amarildo Cruz Fernandes, Estevao Freire. (2021). A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. American Journal of Environmental Protection, 10(6), 166-182. https://doi.org/10.11648/j.ajep.20211006.16

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Gustavo Aiex Lopes; Amarildo Cruz Fernandes; Estevao Freire. A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. Am. J. Environ. Prot. 2021, 10(6), 166-182. doi: 10.11648/j.ajep.20211006.16

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Gustavo Aiex Lopes, Amarildo Cruz Fernandes, Estevao Freire. A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. Am J Environ Prot. 2021;10(6):166-182. doi: 10.11648/j.ajep.20211006.16

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@article{10.11648/j.ajep.20211006.16,
  author = {Gustavo Aiex Lopes and Amarildo Cruz Fernandes and Estevao Freire},
  title = {A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model},
  journal = {American Journal of Environmental Protection},
  volume = {10},
  number = {6},
  pages = {166-182},
  doi = {10.11648/j.ajep.20211006.16},
  url = {https://doi.org/10.11648/j.ajep.20211006.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20211006.16},
  abstract = {Interactions between several parameters to estimate leachate and biogas production are very complex especially in irregular disposal areas without operational control and with few climate information. Nevertheless, the modeling challenges can be overcome using a System Dynamics (SD) approach that allows measure long term dynamics of a complex system. The proposed model is based upon a computer simulation to understand circular causality among soil water balance model and modified first-order decay methane generation aided by MSW landfilled volume calculation from Digital Terrain Model. The leachate accumulated is considered as targets for the calibration and validation. A model test run demonstrated that measured and calculated values of the leachate flow rate, applied in Volta Redonda’s uncontrolled landfill (Brazil) with a spatial resolution of 4,3 cm, were similar (RMSE = 0.10013 and SD = 0.0994). The SD model fitted with higher accuracy with the real data, indicating differences less than 8% for leachate production. After landfill methane generation parameters translating among first-order decay model it was found k = 0.28 1/yr and the L0 = 62,18 (m3 CH4/ton waste). The obtained result were compared to the LandGEM modified model results and shows that the proposed method was capable of predicting the final productivity without overestimating the methane yield and was also able to capture the system behavior.},
 year = {2021}
}

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TY  - JOUR
T1  - A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model
AU  - Gustavo Aiex Lopes
AU  - Amarildo Cruz Fernandes
AU  - Estevao Freire
Y1  - 2021/12/31
PY  - 2021
N1  - https://doi.org/10.11648/j.ajep.20211006.16
DO  - 10.11648/j.ajep.20211006.16
T2  - American Journal of Environmental Protection
JF  - American Journal of Environmental Protection
JO  - American Journal of Environmental Protection
SP  - 166
EP  - 182
PB  - Science Publishing Group
SN  - 2328-5699
UR  - https://doi.org/10.11648/j.ajep.20211006.16
AB  - Interactions between several parameters to estimate leachate and biogas production are very complex especially in irregular disposal areas without operational control and with few climate information. Nevertheless, the modeling challenges can be overcome using a System Dynamics (SD) approach that allows measure long term dynamics of a complex system. The proposed model is based upon a computer simulation to understand circular causality among soil water balance model and modified first-order decay methane generation aided by MSW landfilled volume calculation from Digital Terrain Model. The leachate accumulated is considered as targets for the calibration and validation. A model test run demonstrated that measured and calculated values of the leachate flow rate, applied in Volta Redonda’s uncontrolled landfill (Brazil) with a spatial resolution of 4,3 cm, were similar (RMSE = 0.10013 and SD = 0.0994). The SD model fitted with higher accuracy with the real data, indicating differences less than 8% for leachate production. After landfill methane generation parameters translating among first-order decay model it was found k = 0.28 1/yr and the L0 = 62,18 (m3 CH4/ton waste). The obtained result were compared to the LandGEM modified model results and shows that the proposed method was capable of predicting the final productivity without overestimating the methane yield and was also able to capture the system behavior.
VL  - 10
IS  - 6
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Gustavo Aiex Lopes

Polytechnic School, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Amarildo Cruz Fernandes

Polytechnic School, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Estevao Freire

Polytechnic School, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

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Gustavo Aiex Lopes, Amarildo Cruz Fernandes, Estevao Freire. (2021). A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. American Journal of Environmental Protection, 10(6), 166-182. https://doi.org/10.11648/j.ajep.20211006.16

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Gustavo Aiex Lopes; Amarildo Cruz Fernandes; Estevao Freire. A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. Am. J. Environ. Prot. 2021, 10(6), 166-182. doi: 10.11648/j.ajep.20211006.16

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Gustavo Aiex Lopes, Amarildo Cruz Fernandes, Estevao Freire. A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model. Am J Environ Prot. 2021;10(6):166-182. doi: 10.11648/j.ajep.20211006.16

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@article{10.11648/j.ajep.20211006.16,
  author = {Gustavo Aiex Lopes and Amarildo Cruz Fernandes and Estevao Freire},
  title = {A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model},
  journal = {American Journal of Environmental Protection},
  volume = {10},
  number = {6},
  pages = {166-182},
  doi = {10.11648/j.ajep.20211006.16},
  url = {https://doi.org/10.11648/j.ajep.20211006.16},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20211006.16},
  abstract = {Interactions between several parameters to estimate leachate and biogas production are very complex especially in irregular disposal areas without operational control and with few climate information. Nevertheless, the modeling challenges can be overcome using a System Dynamics (SD) approach that allows measure long term dynamics of a complex system. The proposed model is based upon a computer simulation to understand circular causality among soil water balance model and modified first-order decay methane generation aided by MSW landfilled volume calculation from Digital Terrain Model. The leachate accumulated is considered as targets for the calibration and validation. A model test run demonstrated that measured and calculated values of the leachate flow rate, applied in Volta Redonda’s uncontrolled landfill (Brazil) with a spatial resolution of 4,3 cm, were similar (RMSE = 0.10013 and SD = 0.0994). The SD model fitted with higher accuracy with the real data, indicating differences less than 8% for leachate production. After landfill methane generation parameters translating among first-order decay model it was found k = 0.28 1/yr and the L0 = 62,18 (m3 CH4/ton waste). The obtained result were compared to the LandGEM modified model results and shows that the proposed method was capable of predicting the final productivity without overestimating the methane yield and was also able to capture the system behavior.},
 year = {2021}
}

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TY  - JOUR
T1  - A System Dynamic Model to Estimate Leachate and Biogas Production in MSW Irregular Disposal Areas Aided by Digital Terrain Model
AU  - Gustavo Aiex Lopes
AU  - Amarildo Cruz Fernandes
AU  - Estevao Freire
Y1  - 2021/12/31
PY  - 2021
N1  - https://doi.org/10.11648/j.ajep.20211006.16
DO  - 10.11648/j.ajep.20211006.16
T2  - American Journal of Environmental Protection
JF  - American Journal of Environmental Protection
JO  - American Journal of Environmental Protection
SP  - 166
EP  - 182
PB  - Science Publishing Group
SN  - 2328-5699
UR  - https://doi.org/10.11648/j.ajep.20211006.16
AB  - Interactions between several parameters to estimate leachate and biogas production are very complex especially in irregular disposal areas without operational control and with few climate information. Nevertheless, the modeling challenges can be overcome using a System Dynamics (SD) approach that allows measure long term dynamics of a complex system. The proposed model is based upon a computer simulation to understand circular causality among soil water balance model and modified first-order decay methane generation aided by MSW landfilled volume calculation from Digital Terrain Model. The leachate accumulated is considered as targets for the calibration and validation. A model test run demonstrated that measured and calculated values of the leachate flow rate, applied in Volta Redonda’s uncontrolled landfill (Brazil) with a spatial resolution of 4,3 cm, were similar (RMSE = 0.10013 and SD = 0.0994). The SD model fitted with higher accuracy with the real data, indicating differences less than 8% for leachate production. After landfill methane generation parameters translating among first-order decay model it was found k = 0.28 1/yr and the L0 = 62,18 (m3 CH4/ton waste). The obtained result were compared to the LandGEM modified model results and shows that the proposed method was capable of predicting the final productivity without overestimating the methane yield and was also able to capture the system behavior.
VL  - 10
IS  - 6
ER  -

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