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Remote Sens. 2017, 9(9), 956; doi:10.3390/rs9090956

Field Validation of Remote Sensing Methane Emission Measurements

National Physical Laboratory (NPL), Hampton Road, Teddington, TW11 0LW Middlesex, UK
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Received: 11 August 2017 / Revised: 8 September 2017 / Accepted: 11 September 2017 / Published: 14 September 2017
(This article belongs to the Special Issue Remote Sensing of Greenhouse Gases)
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Abstract

Area sources are a key contributor to overall greenhouse gas emissions but present a particular challenge to emission measurement techniques due to the heterogeneous nature of the sources. A new Controlled Release Facility (CRF) has been developed that is able to recreate in the field both the distribution and rate of emissions seen in actual industrial applications. The results of a series of field validation experiments involving this facility and an infrared differential absorption Lidar (DIAL) facility are presented, which have demonstrated the capability of the CRF to generate controlled methane emissions from 1.8 kg/h to 11 kg/h with a typical expanded (k = 2) uncertainty of ~0.3 kg/h, and established that any underlying systematic uncertainty in the DIAL measurements across this range of methane emissions is less than 4% (or 0.2 kg/h). View Full-Text
Keywords: validation; emission measurements; DIAL; remote measurements; methane validation; emission measurements; DIAL; remote measurements; methane
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gardiner, T.; Helmore, J.; Innocenti, F.; Robinson, R. Field Validation of Remote Sensing Methane Emission Measurements. Remote Sens. 2017, 9, 956.

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