气候变化领域集成服务门户(CCPortal): Technical note: Greenhouse gas flux studies: An automated online system for gas emission measurements in aquatic environments

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DOI	10.5194/hess-24-3417-2020
	Technical note: Greenhouse gas flux studies: An automated online system for gas emission measurements in aquatic environments
	Thanh Duc N.; Silverstein S.; Wik M.; Crill P.; Bastviken D.; K. Varner R.
发表日期	2020
ISSN	1027-5606
起始页码	3417
结束页码	3430
卷号	24 期号:7
英文摘要	Aquatic ecosystems are major sources of greenhouse gases (GHGs). Robust measurements of natural GHG emissions are vital for evaluating regional to global carbon budgets and for assessing climate feedbacks of natural emissions to improve climate models. Diffusive and ebullitive (bubble) transport are two major pathways of gas release from surface waters. To capture the high temporal variability of these fluxes in a well-defined footprint, we designed and built an inexpensive device that includes an easily mobile diffusive flux chamber and a bubble counter all in one. In addition to automatically collecting gas samples for subsequent various analyses in the laboratory, this device also utilized a low-cost carbon dioxide (CO2) sensor (SenseAir, Sweden) and methane (CH4) sensor (Figaro, Japan) to measure GHG fluxes. Each of the devices was equipped with an XBee module to enable local radio communication (DigiMesh network) for time synchronization and data readout at a server controller station on the lakeshore. The software of this server controller was operated on a low-cost computer (Raspberry Pi), which has a 3G connection for remote control and monitor functions from anywhere in the world. This study shows the potential of a low-cost automatic sensor network system for studying GHG fluxes on lakes in remote locations. © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License.
语种	英语
scopus关键词	Aquatic ecosystems; Budget control; Carbon dioxide; Climate models; Cost benefit analysis; Costs; Radio communication; Remote control; Sensor networks; Aquatic environments; Control and monitor; Emission measurement; Greenhouse gas fluxes; Robust measurement; Sensor network systems; Temporal variability; Time synchronization; Greenhouse gases; air bubble; aquatic environment; automation; carbon dioxide; diffusion; emission control; greenhouse gas; methane; sensor; software; World Wide Web; Galeus; Rubus glaucus
来源期刊	Hydrology and Earth System Sciences
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/159359
作者单位	Thanh Duc, N., Institute for the Study of Earth Oceans and Space, Department of Earth Sciences, University of New Hampshire, Durham, NH 03824, United States, Department of Thematic Studies - Environmental Change, Linköping University, Linköping, 581 83, Sweden; Silverstein, S., Department of Physics, Stockholm University, Stockholm, 106 91, Sweden; Wik, M., Department of Geological Sciences, Stockholm University, Stockholm, 106 91, Sweden; Crill, P., Department of Geological Sciences, Stockholm University, Stockholm, 106 91, Sweden; Bastviken, D., Department of Thematic Studies - Environmental Change, Linköping University, Linköping, 581 83, Sweden; K. Varner, R., Institute for the Study of Earth Oceans and Space, Department of Earth Sciences, University of New Hampshire, Durham, NH 03824, United States
推荐引用方式 GB/T 7714	Thanh Duc N.,Silverstein S.,Wik M.,et al. Technical note: Greenhouse gas flux studies: An automated online system for gas emission measurements in aquatic environments[J],2020,24(7).
APA	Thanh Duc N.,Silverstein S.,Wik M.,Crill P.,Bastviken D.,&K. Varner R..(2020).Technical note: Greenhouse gas flux studies: An automated online system for gas emission measurements in aquatic environments.Hydrology and Earth System Sciences,24(7).
MLA	Thanh Duc N.,et al."Technical note: Greenhouse gas flux studies: An automated online system for gas emission measurements in aquatic environments".Hydrology and Earth System Sciences 24.7(2020).