Articles | Volume 16, issue 22
Research article
25 Nov 2016
Research article |  | 25 Nov 2016

Diurnal, weekly, seasonal, and spatial variabilities in carbon dioxide flux in different urban landscapes in Sakai, Japan

Masahito Ueyama and Tomoya Ando


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Short summary
Continuous measurements of CO2 fluxes were conducted using the micrometeorological method at three locations in Sakai, Osaka, Japan, evaluating CO2 fluxes from five landscapes: a dense urban center, a moderately urban area, a suburb, an urban park, and a rural area. Irrespective of the land cover type, all urban landscapes acted as net annual CO2 sources, with emissions ranging from 0.5 to 4.9 kg C m−2 yr−1. The magnitude of the annual CO2 emissions was negatively correlated with green fraction.
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