Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.5194/acp-20-5293-2020 |
O-2 : CO2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO2 emissions | |
Ishidoya, Shigeyuki1; Sugawara, Hirofumi2; Terao, Yukio3; Kaneyasu, Naoki1; Aoki, Nobuyuki1; Tsuboi, Kazuhiro4; Kondo, Hiroaki1 | |
2020-05-15 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS |
ISSN | 1680-7316 |
EISSN | 1680-7324 |
出版年 | 2020 |
卷号 | 20期号:9页码:5293-5308 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | In order to examine O-2 consumption and CO2 emission in a megacity, continuous observations of atmospheric O-2 and CO2 concentrations, along with CO2 flux, have been carried out simultaneously since March 2016 at the Yoyogi (YYG) site located in the middle of Tokyo, Japan. An average O-2 : CO2 exchange ratio for net turbulent O-2 and CO2 fluxes (ORF) between the urban area and the overlaying atmosphere was obtained based on an aerodynamic method using the observed O-2 and CO2 concentrations. The yearly mean ORF was found to be 1.62, falling within the range of the average OR values of liquid and gas fuels, and the annual average daily mean O-2 flux at YYG was estimated to be -16.3 mu mol m(-2) s(-1) based on the ORF and CO2 flux. By using the observed ORF and CO2 flux, along with the inventory-based CO2 emission from human respiration, we estimated the average diurnal cycles of CO2 fluxes from gas and liquid fuel consumption separately for each season. Both the estimated and inventory-based CO2 fluxes from gas fuel consumption showed average diurnal cycles with two peaks, one in the morning and another one in the evening; however, the evening peak of the inventory-based gas consumption was much larger than that estimated from the CO2 flux. This can explain the discrepancy between the observed and inventory-based total CO2 fluxes at YYG. Therefore, simultaneous observations of ORF and CO2 flux are useful in validating CO2 emission inventories from statistical data. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000535260600001 |
WOS关键词 | ATMOSPHERIC OXYGEN MEASUREMENTS ; CONTINUOUS MEASUREMENT SYSTEM ; CARBON-DIOXIDE ; O-2/N-2 RATIO ; WATER-VAPOR ; PACIFIC ; ENERGY ; HEAT |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/267563 |
专题 | 地球科学 |
作者单位 | 1.Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, Japan; 2.Natl Def Acad Japan, Dept Earth & Ocean Sci, Yokosuka, Kanagawa 2398686, Japan; 3.Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan; 4.Meteorol Res Inst, Tsukuba, Ibaraki 3050052, Japan |
推荐引用方式 GB/T 7714 | Ishidoya, Shigeyuki,Sugawara, Hirofumi,Terao, Yukio,et al. O-2 : CO2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO2 emissions[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2020,20(9):5293-5308. |
APA | Ishidoya, Shigeyuki.,Sugawara, Hirofumi.,Terao, Yukio.,Kaneyasu, Naoki.,Aoki, Nobuyuki.,...&Kondo, Hiroaki.(2020).O-2 : CO2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO2 emissions.ATMOSPHERIC CHEMISTRY AND PHYSICS,20(9),5293-5308. |
MLA | Ishidoya, Shigeyuki,et al."O-2 : CO2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO2 emissions".ATMOSPHERIC CHEMISTRY AND PHYSICS 20.9(2020):5293-5308. |
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。
修改评论