Lead in the western North Atlantic Ocean: Completed response to leaded gasoline phaseout

Jingfeng Wu; Edward A. Boyle

doi:10.1016/S0016-7037(97)89711-6

Lead in the western North Atlantic Ocean: Completed response to leaded gasoline phaseout

Jingfeng Wu, Edward A. Boyle

Research output: Contribution to journal › Letter › peer-review

140 Scopus citations

Abstract

A 16-year time series of lead concentrations in the western North Atlantic Ocean shows that lead concentrations decreased markedly during the 1980s but that the decline slowed in the 1990s. The decrease during the 1980s can be attributed to the phasing out of leaded gasoline in the United States. Lead concentration levels of the 1990s may be supported by emissions from high temperature industrial activities in the USA rather than by residual leaded gasoline emissions. Lead concentrations in the thermocline above ∼700 m depth have continued to decrease over this time period. Further decreases in surface water Pb concentrations may be minimal in coming decades, but continued propagation and evolution of the lead distribution in deeper waters should be expected.

Original language	English (US)
Pages (from-to)	3279-3283
Number of pages	5
Journal	Geochimica et Cosmochimica Acta
Volume	61
Issue number	15
DOIs	https://doi.org/10.1016/S0016-7037(97)89711-6
State	Published - Aug 1997
Externally published	Yes

ASJC Scopus subject areas

Geochemistry and Petrology

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10.1016/S0016-7037(97)89711-6

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@article{92420074962c4327a836a45a7b8188cf,

title = "Lead in the western North Atlantic Ocean: Completed response to leaded gasoline phaseout",

abstract = "A 16-year time series of lead concentrations in the western North Atlantic Ocean shows that lead concentrations decreased markedly during the 1980s but that the decline slowed in the 1990s. The decrease during the 1980s can be attributed to the phasing out of leaded gasoline in the United States. Lead concentration levels of the 1990s may be supported by emissions from high temperature industrial activities in the USA rather than by residual leaded gasoline emissions. Lead concentrations in the thermocline above ∼700 m depth have continued to decrease over this time period. Further decreases in surface water Pb concentrations may be minimal in coming decades, but continued propagation and evolution of the lead distribution in deeper waters should be expected.",

author = "Jingfeng Wu and Boyle, {Edward A.}",

note = "Funding Information: AcknowZedgmenrs-Our thanks to the officers and crews of R/V Weatherbirds I and II, Oceanus, Atlantis II, and Endeavor for their help in collecting water samples. We thank everyone who helped with the fieldwork over the years, Jory Bell and Joe Betts for their design of the moored trace element sampler, and Tommy Dickey for generously accomodating our moored sampler on his BTM mooring. This research was sponsored by NSF OCE8710328 and ONR N00014-90-J-1759.",

year = "1997",

month = aug,

doi = "10.1016/S0016-7037(97)89711-6",

language = "English (US)",

volume = "61",

pages = "3279--3283",

journal = "Geochmica et Cosmochimica Acta",

issn = "0016-7037",

publisher = "Elsevier Limited",

number = "15",

}

TY - JOUR

T1 - Lead in the western North Atlantic Ocean

T2 - Completed response to leaded gasoline phaseout

AU - Wu, Jingfeng

AU - Boyle, Edward A.

N1 - Funding Information: AcknowZedgmenrs-Our thanks to the officers and crews of R/V Weatherbirds I and II, Oceanus, Atlantis II, and Endeavor for their help in collecting water samples. We thank everyone who helped with the fieldwork over the years, Jory Bell and Joe Betts for their design of the moored trace element sampler, and Tommy Dickey for generously accomodating our moored sampler on his BTM mooring. This research was sponsored by NSF OCE8710328 and ONR N00014-90-J-1759.

PY - 1997/8

Y1 - 1997/8

N2 - A 16-year time series of lead concentrations in the western North Atlantic Ocean shows that lead concentrations decreased markedly during the 1980s but that the decline slowed in the 1990s. The decrease during the 1980s can be attributed to the phasing out of leaded gasoline in the United States. Lead concentration levels of the 1990s may be supported by emissions from high temperature industrial activities in the USA rather than by residual leaded gasoline emissions. Lead concentrations in the thermocline above ∼700 m depth have continued to decrease over this time period. Further decreases in surface water Pb concentrations may be minimal in coming decades, but continued propagation and evolution of the lead distribution in deeper waters should be expected.

AB - A 16-year time series of lead concentrations in the western North Atlantic Ocean shows that lead concentrations decreased markedly during the 1980s but that the decline slowed in the 1990s. The decrease during the 1980s can be attributed to the phasing out of leaded gasoline in the United States. Lead concentration levels of the 1990s may be supported by emissions from high temperature industrial activities in the USA rather than by residual leaded gasoline emissions. Lead concentrations in the thermocline above ∼700 m depth have continued to decrease over this time period. Further decreases in surface water Pb concentrations may be minimal in coming decades, but continued propagation and evolution of the lead distribution in deeper waters should be expected.

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U2 - 10.1016/S0016-7037(97)89711-6

DO - 10.1016/S0016-7037(97)89711-6

M3 - Letter

AN - SCOPUS:0001620191

VL - 61

SP - 3279

EP - 3283

JO - Geochmica et Cosmochimica Acta

JF - Geochmica et Cosmochimica Acta

SN - 0016-7037

IS - 15

ER -