| Chemical compositions of snow from Mt. Yulong, southeastern Tibetan Plateau | |
| Niu, Hewen1,2; He, Yuanqing1,2; Kang, Shichang1,3; Lu, Xixi4; Shi, Xiaoyi2; Wang, Shijin1 | |
| 刊名 | JOURNAL OF EARTH SYSTEM SCIENCE
 |
| 2016-03-01 | |
| 卷号 | 125期号:2页码:403-416 |
| 关键词 | Atmospheric circulations major ions seasonal variations physical stratigraphy |
| ISSN号 | 0253-4126 |
| DOI | 10.1007/s12040-016-0670-5 |
| 通讯作者 | Kang, Shichang(shichang.kang@itpcas.ac.cn) |
| 英文摘要 | The snow and ice in Mt. Yulong offer a unique opportunity to investigate changes in climate and large scale atmospheric circulations over Asia. During February and April 2012, surface snow samples were collected from the Baishui Glacier No. 1 at different altitudes along the eastern slope of Mt. Yulong. Two snowpits were also excavated from Mt. Yulong at altitudes of 4780 and 4730 m a.s.l. in February 2012. The concentrations of inorganic ions were higher at an elevation of 4506 m a.s.l. in the glacier with significant contribution of anthropogenic (mainly NH, SO, NO and crustal (mainly Ca (2+)) constituents. Concentration of HCOO (-) in surface snow exhibited large variability, ranging from 0.04 to 6.8 mu eq L (-1), attributed to dominant contribution from biomass burning emissions. Ion balance (Delta C) and Na (+)/Cl (-) calculations indicated an excess of cations (particularly higher Ca (2+) concentrations) and Cl (-) in snow, considering the sea-salt ratio, respectively. Monsoon season (June-September) ion concentrations in snowpit samples were generally two-fold lower than in other seasons. Principal component analysis was used to identify different sources of ions. Three main factors, accounting for more than 80% of the total variance, were related to different sources, including agricultural activities, biomass burning, and crustal aerosols. |
| 收录类别 | SCI |
| WOS关键词 | SUMMER MONSOON SEASON ; EVEREST ICE CORE ; CENTRAL HIMALAYA ; ENVIRONMENTAL IMPLICATIONS ; FRESHSNOW SAMPLES ; XIXABANGMA PEAK ; MOUNT EVEREST ; SURFACE SNOW ; DUST ; GLACIER |
| WOS研究方向 | Geology ; Science & Technology - Other Topics |
| WOS类目 | Geosciences, Multidisciplinary ; Multidisciplinary Sciences |
| 语种 | 英语 |
| 出版者 | INDIAN ACAD SCIENCES |
| WOS记录号 | WOS:000373848400013 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2557282 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Kang, Shichang |
| 作者单位 | 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China 2.Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Peoples R China 3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China 4.Natl Univ Singapore, Dept Geog, 1 Arts Link, Singapore 117570, Singapore |
| 推荐引用方式 GB/T 7714 | Niu, Hewen,He, Yuanqing,Kang, Shichang,et al. Chemical compositions of snow from Mt. Yulong, southeastern Tibetan Plateau[J]. JOURNAL OF EARTH SYSTEM SCIENCE,2016,125(2):403-416. |
| APA | Niu, Hewen,He, Yuanqing,Kang, Shichang,Lu, Xixi,Shi, Xiaoyi,&Wang, Shijin.(2016).Chemical compositions of snow from Mt. Yulong, southeastern Tibetan Plateau.JOURNAL OF EARTH SYSTEM SCIENCE,125(2),403-416. |
| MLA | Niu, Hewen,et al."Chemical compositions of snow from Mt. Yulong, southeastern Tibetan Plateau".JOURNAL OF EARTH SYSTEM SCIENCE 125.2(2016):403-416. |
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