Zobrazeno 1 - 10 of 92 pro vyhledávání: '"Yoshinobu Harazono"'
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Akademický článek
Influences of various calculation options on heat, water and carbon fluxes determined by open- and closed-path eddy covariance methods
Autor: Masahito Ueyama, Ryuichi Hirata, Masayoshi Mano, Ken Hamotani, Yoshinobu Harazono, Takashi Hirano, Akira Miyata, Kentaro Takagi, Yoshiyuki Takahashi
Publikováno v: Tellus: Series B, Chemical and Physical Meteorology, Vol 64, Iss 0, Pp 1-26 (2012)
Synthesis studies using multiple-site datasets for eddy covariance potentially contain uncertainties originating from the use of different flux calculation options, because the choice of the process for calculating half-hourly fluxes from raw time se
Externí odkaz: https://doaj.org/article/9478245c1f8343a68a86dcbaf8016517
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3
Methane and carbon dioxide emissions from the forest floor of a black spruce forest on permafrost in interior Alaska
Autor: Masahito Ueyama, Hiroki Iwata, Ryosuke Endo, Yoshinobu Harazono
Publikováno v: Polar Science. 35:100921
High-latitude warming has stimulated CO2 and CH4 emissions from permafrost peatland. This study evaluated growing season CH4 and CO2 emissions from a forest floor of a lowland black spruce forest on permafrost in interior Alaska using automated-close
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::449e6fcd6ec27afbef2ed31fd820d9c2
http://id.nii.ac.jp/1291/00017236/
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4
Snow disappearance timing associated with elevation and vegetation type determines heterogeneity in spring onset in interior Alaska
Autor: Shihori Kawashima, Masahito Ueyama, Yoshinobu Harazono, Hiroki Iwata, Hideki Kobayashi
Publikováno v: Polar Science. 35:100918
The spatiotemporal variations in spring onset were evaluated based on a satellite-derived enhanced vegetation index (EVI), land surface temperature, and snow cover from 2000 to 2021 in interior Alaska. Spring onset was determined as a budburst or sea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::824ee4df249ef550cb6339cb15671d71
https://doi.org/10.1016/j.polar.2022.100918
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6
Carbon dioxide balance in early-successional forests after forest fires in interior Alaska
Autor: Hirohiko Nagano, Yoshinobu Harazono, Hiroki Iwata, Masahito Ueyama, Narumi Tahara, Chie Iwama
Publikováno v: Agricultural and Forest Meteorology. 275:196-207
Fire is the major disturbance in North American boreal forests, and is thought to be the most important process that determines the carbon balance in North American boreal forests. This study conducted four years of tower flux measurements in a burne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::21def0fc2e53ebe6c6be9aa6d2621757
https://doi.org/10.1016/j.agrformet.2019.05.020
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10
Lessons learned from more than a decade of greenhouse gas flux measurements at boreal forests in eastern Siberia and interior Alaska
Autor: Takeshi Ohta, Tetsuya Hiyama, Mikita Okamura, Yoshinobu Harazono, Ayumi Kotani, Taro Nakai, Roman E. Petrov, Hiroki Iwata, Trofim C. Maximov, Masahito Ueyama
Publikováno v: Polar Science. 27:100607
We summarized our recently-published papers on greenhouse gas exchanges at two important boreal regions underlain by permafrost: eastern Siberia and interior Alaska. Relevant literatures were also referred to, and future research directions on the hi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::341b179d49a3ce864a1e206078852e0f
https://doi.org/10.1016/j.polar.2020.100607
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