Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China

Hongli Li, Meng Yang, Ting Lei, Mingxiang Zhang, Peter Bridgewater, Cai Lu, Xuemeng Geng, Guang Chun Lei

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Large dams may be substantial contributors to greenhouse gas emissions. Nitrous oxide (N2O) is the third most important greenhouse gas but studies on N2O emission from reservoirs are limited. We measured N2O emissions and environmental factors including atmospheric pressure, wind speed, air and soil/sediment temperature, biomass, soil water content and organic matter, total nitrogen, NH4+-N and NO3--N of soil, from the littoral zones of the Miyun Reservoir, near Beijing, China, in January, May, June, August, and October during 2009 and 2010. Using the static chamber method we investigated the seasonal and spatial variation, relating it to environmental factors. Spatial and temporal variations in N2O flux appeared to be influenced by several environmental factors, working singly or in conjunction, including soil water depth, soil nutrition, biomass, and wind speed. In winter and spring, high N2O emissions (up to 1.9 ± 0.6 mg N2O m-2 h-1) were recorded at both eulittoral and infralittoral zones, while the flux from the supralittoral zone was low during all the seasons (from -0.04 to 0.01 mg N2O m-2 h-1). This study suggests that the littoral zone is a substantial source of N2O. However, its spatiotemporal variation and environmental drivers are still not clear.

Original languageEnglish
Pages (from-to)811-823
Number of pages13
JournalHydrology Research
Volume46
Issue number5
DOIs
Publication statusPublished - 1 Jan 2015

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nitrous oxide
intertidal environment
environmental factor
greenhouse gas
spatial variation
wind velocity
soil water
soil
biomass
atmospheric pressure
nutrition
water depth
temporal variation
seasonal variation
dam
water content
organic matter
nitrogen
winter
air

Cite this

Li, H., Yang, M., Lei, T., Zhang, M., Bridgewater, P., Lu, C., ... Lei, G. C. (2015). Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China. Hydrology Research, 46(5), 811-823. https://doi.org/10.2166/nh.2014.095
Li, Hongli ; Yang, Meng ; Lei, Ting ; Zhang, Mingxiang ; Bridgewater, Peter ; Lu, Cai ; Geng, Xuemeng ; Lei, Guang Chun. / Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China. In: Hydrology Research. 2015 ; Vol. 46, No. 5. pp. 811-823.
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Li, H, Yang, M, Lei, T, Zhang, M, Bridgewater, P, Lu, C, Geng, X & Lei, GC 2015, 'Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China', Hydrology Research, vol. 46, no. 5, pp. 811-823. https://doi.org/10.2166/nh.2014.095

Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China. / Li, Hongli; Yang, Meng; Lei, Ting; Zhang, Mingxiang; Bridgewater, Peter; Lu, Cai; Geng, Xuemeng; Lei, Guang Chun.

In: Hydrology Research, Vol. 46, No. 5, 01.01.2015, p. 811-823.

Research output: Contribution to journalArticle

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T1 - Nitrous oxide emission from the littoral zones of the Miyun Reservoir near Beijing, China

AU - Li, Hongli

AU - Yang, Meng

AU - Lei, Ting

AU - Zhang, Mingxiang

AU - Bridgewater, Peter

AU - Lu, Cai

AU - Geng, Xuemeng

AU - Lei, Guang Chun

PY - 2015/1/1

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AB - Large dams may be substantial contributors to greenhouse gas emissions. Nitrous oxide (N2O) is the third most important greenhouse gas but studies on N2O emission from reservoirs are limited. We measured N2O emissions and environmental factors including atmospheric pressure, wind speed, air and soil/sediment temperature, biomass, soil water content and organic matter, total nitrogen, NH4+-N and NO3--N of soil, from the littoral zones of the Miyun Reservoir, near Beijing, China, in January, May, June, August, and October during 2009 and 2010. Using the static chamber method we investigated the seasonal and spatial variation, relating it to environmental factors. Spatial and temporal variations in N2O flux appeared to be influenced by several environmental factors, working singly or in conjunction, including soil water depth, soil nutrition, biomass, and wind speed. In winter and spring, high N2O emissions (up to 1.9 ± 0.6 mg N2O m-2 h-1) were recorded at both eulittoral and infralittoral zones, while the flux from the supralittoral zone was low during all the seasons (from -0.04 to 0.01 mg N2O m-2 h-1). This study suggests that the littoral zone is a substantial source of N2O. However, its spatiotemporal variation and environmental drivers are still not clear.

KW - Biomass

KW - Littoral zone

KW - NO flux

KW - Soil nutrients

KW - Soil water content

KW - Wind

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UR - http://www.mendeley.com/research/nitrous-oxide-emission-littoral-zones-miyun-reservoir-near-beijing-china

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