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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2018.12.047
|2 doi
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|a pubmed24n0976.xml
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|a (PII)S0956-053X(18)30788-8
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Mønster, Jacob
|e verfasserin
|4 aut
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| 245 |
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|a Methodologies for measuring fugitive methane emissions from landfills - A review
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019. Published by Elsevier Ltd.
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|a Fugitive methane (CH4) emissions from landfills are significant global sources of greenhouse gases emitted into the atmosphere; thus, reducing them would be a beneficial way of overall greenhouse gas emissions mitigation. In Europe, landfill owners have to report their annual CH4 emissions, so direct measurements are therefore important for (1) evaluating and improving currently applied CH4 emission models, (2) reporting annual CH4 emissions and (3) quantifying CH4 mitigation initiatives. This paper aims at providing an overview of currently available methodologies used to measure fugitive CH4 emissions escaping from landfills. The measurement methodologies are described briefly, and the advantages and limitations of the different techniques are discussed with reference to published literature on the subject. Examples are given of individual published studies using different methodologies and studies comparing three or more methodologies. This review suggests that accurate, whole-site CH4 emission quantifications are best done using methods measuring downwind of the landfill, such as tracer gas dispersion and differential absorption LiDAR (DIAL). Combining aerial CH4 concentration measurements from aircraft or unmanned aerial vehicles with wind field measurements offers a great future potential for improved and cost-efficient integrated landfill CH4 emission quantification. However, these methods are difficult to apply for longer time periods, so in order to measure temporal CH4 emission changes, e.g. due to the effect of changes in atmospheric conditions (pressure, wind and precipitation), a measurement method that is able to measure continuously is required. Such a method could be eddy covariance or static mass balance, although these procedures are challenged by topography and inhomogeneous spatial emission patterns, and as such they can underestimate emissions significantly. Surface flux chambers have been used widely, but they are likely to underestimate emission rates, due to the heterogeneous nature of most landfill covers resulting in sporadic and localised CH4 emission hotspots being the dominant emission routes. Furthermore, emissions from wells, vents, etc. are not captured by surface flux chambers. The significance of any underestimation depends highly on the configuration of individual landfills, their size and emission patterns
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|a Journal Article
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|a Review
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|a DIAL
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|a Eddy covariance
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|a Landfill gas
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| 650 |
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|a Mass balance
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|a Qualitative methane reconnaissance techniques
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| 650 |
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|a Radial plume mapping
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| 650 |
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|a Surface flux chambers
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| 650 |
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|a Tracer gas dispersion
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| 650 |
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|a Air Pollutants
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Kjeldsen, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scheutz, Charlotte
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 87(2019) vom: 15. März, Seite 835-859
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:87
|g year:2019
|g day:15
|g month:03
|g pages:835-859
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| 856 |
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|u http://dx.doi.org/10.1016/j.wasman.2018.12.047
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