Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1073/pnas.1617454114 |
Role of surface and subsurface processes in scaling N2O emissions along riverine networks | |
Marzadri, Alessandra1; Dee, Martha M.2; Tonina, Daniele1; Bellin, Alberto3; Tank, Jennifer L.2 | |
2017-04-25 | |
发表期刊 | PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
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ISSN | 0027-8424 |
出版年 | 2017 |
卷号 | 114期号:17页码:4330-4335 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Italy |
英文摘要 | Riverine environments, such as streams and rivers, have been reported as sources of the potent greenhouse gas nitrous oxide (N2O) to the atmosphere mainly via microbially mediated denitrification. Our limited understanding of the relative roles of the nearsurface streambed sediment (hyporheic zone), benthic, and water column zones in controlling N2O production precludes predictions of N2O emissions along riverine networks. Here, we analyze N2O emissions from streams and rivers worldwide of different sizes, morphology, land cover, biomes, and climatic conditions. We show that the primary source of N2O emissions varies with stream and river size and shifts from the hyporheic-benthic zone in headwater streams to the benthic-water column zone in rivers. This analysis reveals that N2O production is bounded between two N2O emission potentials: the upper N2O emission potential results from production within the benthic-hyporheic zone, and the lower N2O emission potential reflects the production within the benthic-water column zone. By understanding the scaling nature of N2O production along riverine networks, our framework facilitates predictions of riverine N2O emissions globally using widely accessible chemical and hydromorphological datasets and thus, quantifies the effect of human activity and natural processes on N2O production. |
英文关键词 | riverine networks greenhouse gas N2O emission scaling law N2O emission potentials |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000399995600039 |
WOS关键词 | NITROUS-OXIDE EMISSIONS ; STREAM DENITRIFICATION ; NITRATE REMOVAL ; HYPORHEIC ZONE ; FRESH-WATER ; SWALE-OUSE ; MODEL ; ECOSYSTEMS ; SEDIMENT ; EXCHANGE |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/204696 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Univ Idaho, Ctr Ecohydraul Res, Boise, ID 83702 USA; 2.Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA; 3.Univ Trento, Dept Civil Environm & Mech Engn, I-38123 Trento, Italy |
推荐引用方式 GB/T 7714 | Marzadri, Alessandra,Dee, Martha M.,Tonina, Daniele,et al. Role of surface and subsurface processes in scaling N2O emissions along riverine networks[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2017,114(17):4330-4335. |
APA | Marzadri, Alessandra,Dee, Martha M.,Tonina, Daniele,Bellin, Alberto,&Tank, Jennifer L..(2017).Role of surface and subsurface processes in scaling N2O emissions along riverine networks.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,114(17),4330-4335. |
MLA | Marzadri, Alessandra,et al."Role of surface and subsurface processes in scaling N2O emissions along riverine networks".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 114.17(2017):4330-4335. |
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