Antarctic sea ice region as a source of biogenic organic nitrogen in aerosols

被引：69

作者：

Dall'Osto, Manuel ^{[1
]}

Ovadnevaite, Jurgita ^{[2
,3
]}

Paglione, Marco ^{[4
]}

Beddows, David C. S. ^{[5
]}

Ceburnis, Darius ^{[2
,3
]}

Cree, Charlotte ^{[6
]}

Cortes, Pau ^{[1
]}

Zamanillo, Marina ^{[1
]}

Nunes, Sdena O. ^{[1
]}

Perez, Gonzalo L. ^{[7
]}

Ortega-Retuerta, Eva ^{[1
]}

Emelianov, Mikhail ^{[1
]}

Vaque, Dolors ^{[1
]}

Marrase, Celia ^{[1
]}

Estrada, Marta ^{[1
]}

Sala, M. Montserrat ^{[1
]}

Vidal, Montserrat ^{[8
]}

Fitzsimons, Mark F. ^{[6
]}

Beale, Rachael ^{[9
]}

Airs, Ruth ^{[9
]}

Rinaldi, Matteo ^{[4
]}

Decesari, Stefano ^{[4
]}

Facchini, Maria Cristina ^{[4
]}

Harrison, Roy M. ^{[5
,10
]}

O'Dowd, Colin ^{[2
,3
]}

Simo, Rafel ^{[1
]}

机构：

[1] CSIC, Inst Ciencies Mar, Pg Maritim Barceloneta 37-49, E-08003 Barcelona, Catalonia, Spain

[2] Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, Ireland

[3] Natl Univ Ireland Galway, Ryan Inst, Ctr Climate & Air Pollut Studies, Univ Rd, Galway, Ireland

[4] CNR, Inst Atmospher Sci & Climate, I-40129 Bologna, Italy

[5] Univ Birmingham, Sch Geog Earth & Environm Sci, Natl Ctr Atmospher Sci, Birmingham B15 2TT, W Midlands, England

[6] Univ Plymouth, Biogeochem Res Ctr, Plymouth PL4 8AA, Devon, England

[7] Consejo Nacl Invest Cient & Tecn, CRUB Comahue, Inst INIBIOMA, Quintral 1250, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

[8] Univ Barcelona, Dept Evolutionary Biol Ecol & Environm Sci, Ave Diagonal 643, E-08028 Barcelona, Catalonia, Spain

[9] Plymouth Marine Lab, Prospect Pl, Plymouth PL1 3DH, Devon, England

[10] King Abdulaziz Univ, Ctr Excellence Environm Studies, Dept Environm Sci, POB 80203, Jeddah 21589, Saudi Arabia

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

基金：

英国自然环境研究理事会;

关键词：

EXOPOLYMER PARTICLES; SIZE DISTRIBUTION; PO VALLEY; WATER; DIMETHYLSULFIDE; PLANKTON; SULFUR; TRENDS; URBAN; OCEAN;

D O I：

10.1038/s41598-017-06188-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Climate warming affects the development and distribution of sea ice, but at present the evidence of polar ecosystem feedbacks on climate through changes in the atmosphere is sparse. By means of synergistic atmospheric and oceanic measurements in the Southern Ocean near Antarctica, we present evidence that the microbiota of sea ice and sea ice-influenced ocean are a previously unknown significant source of atmospheric organic nitrogen, including low molecular weight alkyl-amines. Given the keystone role of nitrogen compounds in aerosol formation, growth and neutralization, our findings call for greater chemical and source diversity in the modelling efforts linking the marine ecosystem to aerosol-mediated climate effects in the Southern Ocean.

引用

页数：10

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