GSTDTAP  > 资源环境科学
DOI10.1002/2017WR020678
An Evaluation of Nitrate, fDOM, and Turbidity Sensors in New Hampshire Streams
Snyder, Lisle; Potter, Jody D.; McDowell, William H.
2018-03-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:3页码:2466-2479
文章类型Article
语种英语
国家USA
英文摘要

A state-of-the-art network of water quality sensors was established in 2012 to gather year-round high temporal frequency hydrochemical data in streams and rivers throughout the state of New Hampshire. This spatially extensive network includes eight headwater stream and two main stem river monitoring sites, spanning a variety of stream orders and land uses. Here we evaluate the performance of nitrate, fluorescent dissolved organic matter (fDOM), and turbidity sensors included in the sensor network. Nitrate sensors were first evaluated in the laboratory for interference by different forms of dissolved organic carbon (DOC), and then for accuracy in the field across a range of hydrochemical conditions. Turbidity sensors were assessed for their effectiveness as a proxy for concentrations of total suspended solids (TSS) and total particulate C and N, and fDOM as a proxy for concentrations of dissolved organic matter. Overall sensor platform performance was also examined by estimating percentage of data loss due to sensor failures or related malfunctions. Although laboratory sensor trials show that DOC can affect optical nitrate measurements, our validations with grab samples showed that the optical nitrate sensors provide a reliable measurement of NO3 concentrations across a wide range of conditions. Results showed that fDOM is a good proxy for DOC concentration (r(2)=0.82) but is a less effective proxy for dissolved organic nitrogen (r(2)=0.41). Turbidity measurements from sensors correlated well with TSS (r(2)=0.78), PC (r(2)=0.53), and PN (r(2)=0.51).


英文关键词sensor network water quality monitoring stream chemistry fDOM nitrate turbidity
领域资源环境
收录类别SCI-E
WOS记录号WOS:000430364900057
WOS关键词IN-SITU ; FLUORESCENCE ; QUALITY ; WATER ; TEMPERATURE ; PARTICLES ; QUANTITY ; DYNAMICS ; RIVERS
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
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/20439
专题资源环境科学
作者单位Univ New Hampshire, Dept Nat Resources & Environm, Durham, NH 03824 USA
推荐引用方式
GB/T 7714
Snyder, Lisle,Potter, Jody D.,McDowell, William H.. An Evaluation of Nitrate, fDOM, and Turbidity Sensors in New Hampshire Streams[J]. WATER RESOURCES RESEARCH,2018,54(3):2466-2479.
APA Snyder, Lisle,Potter, Jody D.,&McDowell, William H..(2018).An Evaluation of Nitrate, fDOM, and Turbidity Sensors in New Hampshire Streams.WATER RESOURCES RESEARCH,54(3),2466-2479.
MLA Snyder, Lisle,et al."An Evaluation of Nitrate, fDOM, and Turbidity Sensors in New Hampshire Streams".WATER RESOURCES RESEARCH 54.3(2018):2466-2479.
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