Assessment of a landfill methane emission screening method using an unmanned aerial vehicle mounted thermal infrared camera - A field study

Waste Management
L FjelstedCharlotte Scheutz

Abstract

An unmanned aerial vehicle (UAV)-mounted thermal infrared (TIR) camera's ability to delineate landfill gas (LFG) emission hotspots was evaluated in a field test at two Danish landfills (Hedeland landfill and Audebo landfill). At both sites, a test area of 100 m2 was established and divided into about 100 measuring points. The relationship between LFG emissions and soil surface temperatures were investigated through four to five measuring campaigns, in order to cover different atmospheric conditions along with increasing, decreasing and stable barometric pressure. For each measuring campaign, a TIR image of the test area was obtained followed by the measurement of methane (CH4) and carbon dioxide (CO2) emissions at each measuring point, using a static flux chamber. At the same time, soil temperatures measured on the surface, at 5 cm and 10 cm depths, were registered. At the Hedeland landfill, no relationship was found between LFG emissions and surface temperatures. In addition, CH4 emissions were very limited, on average 0.92-4.52 g CH4 m-2 d-1, and only measureable on the two days with decreasing barometric pressure. TIR images from Hedeland did not show any significant temperature differences in the test area. At the Audebo la...Continue Reading

Citations

Jun 24, 2020·The Science of the Total Environment·Long Ta Bui, Phong Hoang Nguyen
Aug 22, 2021·Waste Management·Long Ta BuiDuyen Chau My Nguyen
Sep 28, 2021·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Jacob T ShawGrant Allen

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