Sedimentation of Pb-210 in Laurentian Shield Lakes-Reference-Cited by-同舟云学术

Sedimentation of Pb-210 in Laurentian Shield Lakes

Published:1984-05-01 Issue:2 Volume:19 Page:97-109
ISSN:1201-3080
Container-title:Water Quality Research Journal
language:en
Short-container-title:

Author:

Cornett R.J.¹,Chant L.¹,Link D.¹

Affiliation:

1. Environmental Research Branch, Chalk River Nuclear Laboratories, Chalk River, Ontario K0J 1J0

Abstract

Abstract The average annual flux of Pb-210 from the atmosphere to lake surfaces and to the bottom sediments was measured in seven small lakes located on the Laurentian Shield. Direct atmospheric fallout of Pb-210 was 136 ± 16 Bq m-2 a-1 Streams from the lakes' catchments input an additional 5 to 473 Bq m-2 a-1. Only 16 to 80 percent of the total input was found in the lake sediments. The fractional rate constant for Pb-210 sedimentation from the water column ranged from 0.25 to 5.3 per annum.

Publisher

IWA Publishing

Subject

Water Science and Technology

Link

http://iwaponline.com/wqrj/article-pdf/19/2/97/231404/wqrj0190097.pdf

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