Developing Sensor Proxies For

Morel, Carol J.; Kaushal, Sujay S.; Tan, Maggie L.; Belt, Kenneth T.

doi:10.3390/w12102864

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Developing Sensor Proxies For "Chemical Cocktails" Of Trace Metals In Urban Streams

2020
By Morel, Carol J. ; Kaushal, Sujay S. ; Tan, Maggie L. ; ...
Source: Water 2020, 12(10), 2864

[PDF-2.58 MB]

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Details:

Journal Title:

Water
Personal Author:

Morel, Carol J. ; Kaushal, Sujay S. ; Tan, Maggie L. ; Belt, Kenneth T.

Morel, Carol J. ; Kaushal, Sujay S. ; Tan, Maggie L. ; Belt, Kenneth T. Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

MDU (Maryland Sea Grant)
Description:

Understanding transport mechanisms and temporal patterns in the context of metal concentrations in urban streams is important for developing best management practices and restoration strategies to improve water quality. In some cases, in-situ sensors can be used to estimate unknown concentrations of trace metals or to interpolate between sampling events. Continuous sensor data from the United States Geological Survey were analyzed to determine statistically significant relationships between lead, copper, zinc, cadmium, and mercury with turbidity, specific conductance, dissolved oxygen, and discharge for the Hickey Run, Watts Branch, and Rock Creek watersheds in the Washington, D.C. region. We observed a significant negative linear relationship between concentrations of Cu and dissolved oxygen at Rock Creek (p < 0.05). Sometimes, turbidity had significant positive linear relationships with Pb and Hg concentrations. There were negative or positive linear relationships between Pb, Cd, Zn, and Hg and specific conductance. There also appeared to be relationships between watershed areal fluxes of Pb, Cu, Zn, and Cd in streams with turbidity. Watershed monitoring approaches using continuous sensor data have the potential to characterize the frequency, magnitude, and composition of pulses in concentrations and loads of trace metals, which could improve the management and restoration of urban streams.
Keywords:

[+]

Trace Elements Water Quality
Source:

Water 2020, 12(10), 2864
DOI:

https://doi.org/10.3390/w12102864
Sea Grant Document Number:

MDU-R-20-019
Document Type:

Journal Article
Funding:

Grant no. NA18OAR4170070
Rights Information:

CC BY
Compliance:

Library
Main Document Checksum:

[+]

urn:sha-512:68ccd46922c6fc3f6b4b541f931634439d0b4615924aeffb1a6063edcbda97b2a51694db0720f902c70468139c2ee2cf19be21b84a13464d96a946075938ca43
Download URL:

https://repository.library.noaa.gov/view/noaa/37382/noaa_37382_DS1.pdf
File Type:

Machine readable version (XML)

bin

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