globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070716
论文题名:
A comparison of CO2 dynamics and air-water fluxes in a river-dominated estuary and a mangrove-dominated marine estuary
作者: Akhand A.; Chanda A.; Manna S.; Das S.; Hazra S.; Roy R.; Choudhury S.B.; Rao K.H.; Dadhwal V.K.; Chakraborty K.; Mostofa K.M.G.; Tokoro T.; Kuwae T.; Wanninkhof R.
刊名: Geophysical Research Letters
ISSN: 0094-8370
EISSN: 1944-8101
出版年: 2016
卷: 43, 期:22
起始页码: 11726
结束页码: 11735
语种: 英语
英文关键词: air-water CO2 flux ; Blue Carbon ; fCO2 (water) ; Hugli Estuary ; Matla Estuary ; source of CO2
Scopus关键词: Air ; Carbon ; Estuaries ; Forestry ; Rivers ; Water resources ; Air-water ; Annual mean ; East coast of india ; Efflux rate ; fCO<sub>2</sub> (water) ; Post-monsoon ; Source of CO<sub>2</sub> ; Carbon dioxide
英文摘要: The fugacity of CO2 (fCO2 (water)) and air-water CO2 flux were compared between a river-dominated anthropogenically disturbed open estuary, the Hugli, and a comparatively pristine mangrove-dominated semiclosed marine estuary, the Matla, on the east coast of India. Annual mean salinity of the Hugli Estuary (≈7.1) was much less compared to the Matla Estuary (≈20.0). All the stations of the Hugli Estuary were highly supersaturated with CO2 (annual mean ~ 2200 µatm), whereas the Matla was marginally oversaturated (annual mean ~ 530 µatm). During the postmonsoon season, the outer station of the Matla Estuary was under saturated with respect to CO2 and acted as a sink. The annual mean CO2 emission from the Hugli Estuary (32.4 mol C m−2 yr−1) was 14 times higher than the Matla Estuary (2.3 mol C m−2 yr−1). CO2 efflux rate from the Hugli Estuary has increased drastically in the last decade, which is attributed to increased runoff from the river-dominated estuary. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003520614&doi=10.1002%2f2016GL070716&partnerID=40&md5=e4dc36bbefc20beb466de113ac5c8f2c
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9333
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: School of Oceanographic Studies, Jadavpur University, Kolkata, India

Recommended Citation:
Akhand A.,Chanda A.,Manna S.,et al. A comparison of CO2 dynamics and air-water fluxes in a river-dominated estuary and a mangrove-dominated marine estuary[J]. Geophysical Research Letters,2016-01-01,43(22).
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