SPI - Trace gas mixing ratios measured over the Southern Ocean in the austral summer of 2016/2017, during the Antarctic Circumnavigation Expedition.

The authors would highly appreciate to be contacted if the data is used for any purpose. We measured mixing ratios of CO, CO2 and CH4 with a PICARRO G2401 Gas Analyzer. Ozone (O3) mixing ratios were measured with a 2B Technology ozone monitor, model 205. We report five-minute averaged data cleaned from exhaust gas influence. Temporal coverage is from December 20, 2016 to April 10, 2017. The trace gas concentrations represent a large number of atmospheric processes that happen on different time scales. CO for example, has basically no sources other than combustion and can hence be used as tracer for air mass transport from regions with combustion activities (e.g., South Africa). CO has a lifetime of a few weeks. CO2 and CH4 are longer-lived trace gases which disperse globally. The data set shows that concentrations in the Northern Hemisphere are higher than in the Southern Hemisphere. Both trace gases are emitted by anthropogenic activities as well as natural sources. Over the cruise track, areas of the Southern Ocean were passed where these trace gases either outgas or are absorbed. Ozone is a secondary trace gas, meaning that it is formed in the atmosphere. Its concentrations are relatively low. All trace gases data have been cleaned from exhaust gas influence.
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cdm_data_type=Other
citation=Schmale, J., Henning, S., Tummon, F., Hartmann, M., Baccarini, A., Welti, A., Lehtipalo, K., Tatzelt, C. and Gysel-Beer, M. (2020). Trace gas mixing ratios measured over the Southern Ocean in the austral summer of 2016/2017, during the Antarctic Circumnavigation Expedition. (Version 1.1) [Data set]. Zenodo. http://doi.org/10.5281/zenodo.4028749
contributors=[{'title': 'Julia Schmale', 'path': 'https://orcid.org/0000-0002-1048-7962', 'email': '[e-mail]', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland', 'x_spi_additional_organisation': 'EPFL, Lausanne, Switzerland'}, {'title': 'Silvia Henning', 'path': 'https://orcid.org/0000-0001-9267-7825', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Fiona Tummon', 'path': 'https://orcid.org/0000-0001-9700-1701', 'role': 'author', 'organisation': 'Eidgenössische Technische Hochschule Zürich; MeteoSwiss, Payerne, Switzerland'}, {'title': 'Markus Hartmann', 'path': 'https://orcid.org/0000-0001-9700-1701', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Andrea Baccarini', 'path': 'https://orcid.org/0000-0003-4614-247X', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland'}, {'title': 'Katrianne Lehtipalo', 'path': 'https://orcid.org/0000-0002-1660-2706', 'role': 'author', 'organisation': 'University of Helsinki, Finland'}, {'title': 'Christian Tatzelt', 'path': 'https://orcid.org/0000-0001-7795-5372', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Martin Gysel-Beer', 'path': 'https://orcid.org/0000-0002-7453-1264', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland'}, {'title': 'Jen Thomas', 'path': 'https://orcid.org/0000-0002-5986-7026', 'role': 'publisher', 'organisation': 'Swiss Polar Institute, Switzerland'}]
Conventions=COARDS, CF-1.6, ACDD-1.3
DOI=https://doi.org/10.5281/zenodo.4028749
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infoUrl=https://doi.org/10.5281/zenodo.4028749
institution=Paul Scherrer Institute, Villigen, Switzerland
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platform_code=UBXH3_ace_2636778
platform_name=R/V Akademik Tryoshnikov
sourceUrl=(local files)
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standard_name_vocabulary=CF Standard Name Table v55
time_coverage_end=2017-04-10T23:55:00Z
time_coverage_start=2016-12-17T00:00:00Z
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若本研究数据被用于任何目的，作者们衷心期望获得联系。本研究利用PICARRO G2401气体分析仪对一氧化碳（CO）、二氧化碳（CO2）和甲烷（CH4）的混合比进行了测量。臭氧（O3）混合比则通过2B技术臭氧监测仪，型号205进行测定。所报告的数据为去除尾气影响后的五分钟平均值。时间跨度为2016年12月20日至2017年4月10日。所测得的痕量气体浓度代表了在不同时间尺度上发生的众多大气过程。例如，一氧化碳（CO）几乎仅来源于燃烧，因此可作为源自燃烧活动区域（例如，南非）的空气团输送的示踪剂。一氧化碳的寿命约为几周。二氧化碳（CO2）和甲烷（CH4）是寿命较长的痕量气体，它们在全球范围内扩散。数据集显示，北半球的浓度高于南半球。这两种痕量气体均由人为活动和自然来源排放。在航行轨迹上，曾经过渡至南大洋地区，这些痕量气体在该地区要么逸出，要么被吸收。臭氧是一种次生痕量气体，意味着它是在大气中形成的。其浓度相对较低。所有痕量气体数据均已去除尾气影响。

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cdm_data_type=其他

引用=Schmale, J., Henning, S., Tummon, F., Hartmann, M., Baccarini, A., Welti, A., Lehtipalo, K., Tatzelt, C. and Gysel-Beer, M. (2020). 南大洋2016/2017年夏季南极环球航行期间测量的痕量气体混合比 [数据集]. Zenodo. http://doi.org/10.5281/zenodo.4028749

贡献者=[{'title': 'Julia Schmale', 'path': 'https://orcid.org/0000-0002-1048-7962', 'email': '[e-mail]', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland', 'x_spi_additional_organisation': 'EPFL, Lausanne, Switzerland'}, {'title': 'Silvia Henning', 'path': 'https://orcid.org/0000-0001-9267-7825', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Fiona Tummon', 'path': 'https://orcid.org/0000-0001-9700-1701', 'role': 'author', 'organisation': 'Eidgenössische Technische Hochschule Zürich; MeteoSwiss, Payerne, Switzerland'}, {'title': 'Markus Hartmann', 'path': 'https://orcid.org/0000-0001-9700-1701', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Andrea Baccarini', 'path': 'https://orcid.org/0000-0003-4614-247X', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland'}, {'title': 'Katrianne Lehtipalo', 'path': 'https://orcid.org/0000-0002-1660-2706', 'role': 'author', 'organisation': 'University of Helsinki, Finland'}, {'title': 'Christian Tatzelt', 'path': 'https://orcid.org/0000-0001-7795-5372', 'role': 'author', 'organisation': 'Leibniz Institute for Tropospheric Research, Leipzig, Germany'}, {'title': 'Martin Gysel-Beer', 'path': 'https://orcid.org/0000-0002-7453-1264', 'role': 'author', 'organisation': 'Paul Scherrer Institute, Villigen, Switzerland'}, {'title': 'Jen Thomas', 'path': 'https://orcid.org/0000-0002-5986-7026', 'role': 'publisher', 'organisation': 'Swiss Polar Institute, Switzerland'}]

规范=COARDS, CF-1.6, ACDD-1.3

DOI=https://doi.org/10.5281/zenodo.4028749

最东经=179.99936

地理纬度最大值=53.97401

地理纬度最小值=-74.00771

地理纬度单位=北纬度

地理经度最大值=179.99936

地理经度最小值=-179.99343

地理经度单位=东经度

信息URL=https://doi.org/10.5281/zenodo.4028749

机构=Paul Scherrer Institute, Villigen, Switzerland

最北纬度=53.97401

平台代码=UBXH3_ace_2636778

平台名称=R/V Akademik Tryoshnikov

来源URL=(本地文件)

最南纬度=-74.00771

标准名称词汇=CF标准名称表v55

时间覆盖结束=2017-04-10T23:55:00Z

时间覆盖开始=2016-12-17T00:00:00Z

类型=渡轮箱/船

最西经度=-179.99343