Distribution of phosphine in the offshore area of the Southwest Yellow Sea, East Asia

被引：20

作者：

Hong, Yuning ^{[1
]}

Geng, Jinju ^{[1
]}

Qiao, Song ^{[2
]}

Ding, Lili ^{[1
]}

Gu, Xueyuan ^{[1
]}

Wang, Xiaorong ^{[1
]}

Glindemann, Dietmar ^{[3
]}

Ren, Hongqiang ^{[1
]}

机构：

[1] Nanjing Univ, State Key Lab Pollut Control & Resource Reuse, Sch Environm, Nanjing 210093, Peoples R China

[2] Nanjing Univ Technol, Coll Environm Sci, Nanjing 210097, Peoples R China

[3] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

来源：

MARINE CHEMISTRY | 2010年 / 118卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

Phosphine; Distribution; Offshore sediment; Atmosphere; Southwest Yellow Sea; MATRIX-BOUND PHOSPHINE; PROVENANCE DISCRIMINATION; CHINA SEA; PHOSPHORUS; SEDIMENTS; HYDROSPHERE; SOILS; LAKE;

D O I：

10.1016/j.marchem.2009.10.005

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Phosphine is a natural gaseous compound in the phosphorus biogeochemical cycle. This paper studies the spatial and temporal distributions of matrix-bound phosphine (MBP) and gaseous phosphine in the offshore area of the Southwest Yellow Sea, East Asia. The results show that MBP concentrations in marine surface sediments range from 0.69 +/- 0.06 ng/kg (dry) to 179 +/- 29 ng/kg (dry). Higher seasonal MBP concentrations in sediments are found in fall than in spring or winter in most sites. High MBP contents are observed in two fish-breeding areas. MBP concentrations decrease with distance to the coast, except in the southeast of the sampling area. MBP levels in marine sediments are found to be higher than those at several other places: freshwater sediments and soil, except eutrophic lakes. Gaseous phosphine contents in fall range from 0.14 +/- 0.00 ng/m(3) to 9.83 +/- 0.97 ng/m(3). No correlation is observed between MBP and gaseous phosphine. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：67 / 74

页数：8

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