publication . Article . 2015

One year of continuous measurements of soil CH4 and CO2 fluxes in a Japanese cypress forest: Temporal and spatial variations associated with Asian monsoon rainfall

Ayaka Sakabe; Yoshiko Kosugi; Kenshi Takahashi; Masayuki Itoh; Akito Kanazawa; Naoki Makita; Mioko Ataka;
Open Access English
  • Published: 14 Apr 2015 Journal: Journal of Geophysical Research: Biogeosciences, volume 120, issue 4, pages 585-599 (issn: 2169-8953, Copyright policy)
  • Publisher: American Geophysical Union
Abstract
We examined the effects of Asian monsoon rainfall on CH[4] absorption of water-unsaturated forest soil. We conducted a 1 year continuous measurement of soil CH[4] and CO[2] fluxes with automated chamber systems in three plots with different soil characteristics and water content to investigate how temporal variations in CH[4] fluxes vary with the soil environment. CH[4] absorption was reduced by the “Baiu” summer rainfall event and peaked during the subsequent hot, dry period. Although CH[4] absorption and CO[2] emission typically increased as soil temperature increased, the temperature dependence of CH[4] varied more than that of CO[2], possibly due to the chan...
Subjects
free text keywords: Cypress forest, East Asian Monsoon, Humus, Flux (metallurgy), Atmospheric sciences, Flux, Water content, Precipitation, Soil water, Geology
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publication . Article . 2015

One year of continuous measurements of soil CH4 and CO2 fluxes in a Japanese cypress forest: Temporal and spatial variations associated with Asian monsoon rainfall

Ayaka Sakabe; Yoshiko Kosugi; Kenshi Takahashi; Masayuki Itoh; Akito Kanazawa; Naoki Makita; Mioko Ataka;