Abstract：
:This work reports on the widespread occurrence of tar balls on a pebble beach of Sueste Bay on Fernando de Noronha Island, a Brazilian national marine park and a preserve in the South Equatorial Atlantic. Environmental regulations preclude regular visitors to the Sueste Bay beach, and the bay is a pristine area without any possible or potential sources of petroleum in the coastal zone. In this work, these tar balls were observed for the first time as they occurred as envelopes around beach pebbles. They are black in color, very hard, have a shell and coral fragment armor, and range in average size from 2 to 6 cm. The shape of the majority of the tar balls is spherical, but some can also be flattened ellipsoids. The polycyclic aromatic hydrocarbon analyses of the collected samples revealed the characteristics of a strongly weathered material, where only the most persistent compounds were detected: chrysene, benzo(b,k)fluoranthene, dibenzo(a,h)antracene and benzo(a)pyrene.
journal_name
Environ Geochem Healthjournal_title
Environmental geochemistry and healthauthors
Baptista Neto JA,da Costa Campos TF,de Andrade CD,Sichel SE,da Fonseca EM,Motoki Adoi
10.1007/s10653-014-9623-6subject
Has Abstractpub_date
2014-12-01 00:00:00pages
1199-203issue
6eissn
0269-4042issn
1573-2983journal_volume
36pub_type
杂志文章abstract：:High Arsenic concentrations (up to 200 mg kg(-1)) are found in macadam products from Dannemora Iron Mine in central Sweden. Monitoring the As, Pb, Zn and Cu concentrations in different macadam products shows that the highest amounts of the metals investigated appear in the fine fractions, 0-2 mm. Because of these rela...
journal_title：Environmental geochemistry and health
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更新日期：2012-01-01 00:00:00
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doi：10.1007/BF01747912
更新日期：1994-12-01 00:00:00
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更新日期：2005-04-01 00:00:00
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pub_type： 杂志文章
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