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Sniffer: A Device for Sampling Gases from River
Author(s) -
Jonathan Gervaix,
Pascal Breil,
Franck Poly,
Philippe Namour
Publication year - 2021
Publication title -
instrumentation, mesure, métrologie/instrumentation mesure métrologie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.161
H-Index - 4
eISSN - 2269-8485
pISSN - 1631-4670
DOI - 10.18280/i2m.200407
Subject(s) - environmental science , greenhouse gas , spring (device) , hydrology (agriculture) , sampling (signal processing) , sediment , streams , environmental engineering , geology , engineering , oceanography , telecommunications , computer science , mechanical engineering , paleontology , computer network , geotechnical engineering , detector
Description and validation of a new simple, inexpensive iso-pressure device for quantitative measurements of gas emissions in river (the SNIFFER for "Sampler of Natural InFluxes of Foul Emissions from River sediment"). The Sniffer was validated, during two field campaigns, a first in winter (18/12/13 to 20/02/14) and a second in spring (16/04/14 to 14/05/14) on a stream receiving some organic matter from a combined sewer overflow. The measured CH4 emissions are of the order of 0.50 L/(m2.day). This production is far from negligible and commits us to reconsider the contribution of water systems in total greenhouse gas emissions.

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