Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1029/2011JD016639 |
Hydroxyl radical and NOx production rates, black carbon concentrations and light-absorbing impurities in snow from field measurements of light penetration and nadir reflectivity of onshore and offshore coastal Alaskan snow | |
France, J. L.1; Reay, H. J.1; King, M. D.1; Voisin, D.2; Jacobi, H. W.2; Domine, F.2; Beine, H.3; Anastasio, C.3; MacArthur, A.4; Lee-Taylor, J.5 | |
通讯作者 | France, J. L. |
来源期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
![]() |
ISSN | 2169-897X |
出版年 | 2012 |
卷号 | 117 |
英文摘要 | Photolytic production rates of NO, NO2 and OH radicals in snow and the total absorption spectrum due to impurities in snowpack have been calculated for the Ocean-Atmosphere-Sea-Ice-Snowpack (OASIS) campaign during Spring 2009 at Barrow, Alaska. The photolytic production rate and snowpack absorption cross-sections were calculated from measurements of snowpack stratigraphy, light penetration depths (e-folding depths), nadir reflectivity (350-700 nm) and UV broadband atmospheric radiation. Maximum NOx fluxes calculated during the campaign owing to combined nitrate and nitrite photolysis were calculated as 72 nmol m(-2) h(-1) for the inland snowpack and 44 nmol m(-2) h(-1) for the snow on sea-ice and snowpack around the Barrow Arctic Research Center (BARC). Depth-integrated photochemical production rates of OH radicals were calculated giving maximum OH depth-integrated production rates of similar to 160 nmol m(-2) h(-1) for the inland snowpack and similar to 110-120 nmol m(-2) h(-1) for the snow around BARC and snow on sea-ice. Light penetration (e-folding) depths at a wavelength of 400 nm measured for snowpack in the vicinity of Barrow and snow on sea-ice are similar to 9 cm and 14 cm for snow 15 km inland. Fitting scaled HULIS (HUmic-LIke Substances) and black carbon absorption cross-sections to the determined snow impurity absorption cross-sections show a "humic-like" component to snowpack absorption, with typical concentrations of 1.2-1.5 mu gC g(-1). Estimates of black carbon concentrations for the four snowpacks are similar to 40 to 70 ng g(-1) for the terrestrial Arctic snowpacks and similar to 90 ng g(-1) for snow on sea-ice. |
类型 | Article |
语种 | 英语 |
国家 | England ; France ; USA ; Scotland |
收录类别 | SCI-E |
WOS记录号 | WOS:000301498500002 |
WOS关键词 | HYDROGEN-PEROXIDE H2O2 ; OPTICAL-PROPERTIES ; ANTARCTIC SNOW ; RADIATIVE-TRANSFER ; NITRATE SOLUTIONS ; ATMOSPHERIC CHEMISTRY ; REACTIVE NITROGEN ; PHOTOCHEMICAL NO ; SOLAR-RADIATION ; SPECTRAL ALBEDO |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
来源机构 | University of California, Davis ; University of London |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/173584 |
作者单位 | 1.Univ London, Dept Earth Sci, Egham TW20 0EX, Surrey, England; 2.Univ Grenoble 1, CNRS, Lab Glaciol & Geophys Environm, F-38402 St Martin Dheres, France; 3.Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA; 4.Univ Edinburgh, NERC Field Spect Facil, Grant Inst, Sch GeoSci, Edinburgh EH9 3JW, Midlothian, Scotland; 5.Natl Ctr Atmospher Res, Div Atmospher Chem, Boulder, CO 80307 USA |
推荐引用方式 GB/T 7714 | France, J. L.,Reay, H. J.,King, M. D.,et al. Hydroxyl radical and NOx production rates, black carbon concentrations and light-absorbing impurities in snow from field measurements of light penetration and nadir reflectivity of onshore and offshore coastal Alaskan snow[J]. University of California, Davis, University of London,2012,117. |
APA | France, J. L..,Reay, H. J..,King, M. D..,Voisin, D..,Jacobi, H. W..,...&Lee-Taylor, J..(2012).Hydroxyl radical and NOx production rates, black carbon concentrations and light-absorbing impurities in snow from field measurements of light penetration and nadir reflectivity of onshore and offshore coastal Alaskan snow.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,117. |
MLA | France, J. L.,et al."Hydroxyl radical and NOx production rates, black carbon concentrations and light-absorbing impurities in snow from field measurements of light penetration and nadir reflectivity of onshore and offshore coastal Alaskan snow".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 117(2012). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。