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Y. Fujinuma · SciRah

Researcher profile · Semantic Scholar

Y. Fujinuma

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Y. Fujinuma — researcher profile on SciRah

h-index: 24
Works: 78
Citations: 1,905

Most-cited papers

A strong source of methyl chloride to the atmosphere from tropical coastal land
Y. Yokouchi, Y. Noijiri, L. Barrie, D. Toom-Sauntry +6 more
2000Nature163 citations
Semantic Scholar
Seasonal and interannual variations in carbon dioxide exchange of a temperate larch forest
R. Hirata, T. Hirano, N. Saigusa, Y. Fujinuma +4 more
2007137 citations
Semantic Scholar
In situ comparison of four approaches to estimating soil CO2 efflux in a northern larch (Larix kaempferi Sarg.) forest
N. Liang, T. Nakadai, T. Hirano, L. Qu +3 more
2004136 citations
Semantic Scholar
Dynamic carbon dioxide exchange through snowpack by wind‐driven mass transfer in a conifer‐broadleaf mixed forest in northernmost Japan
K. Takagi, M. Nomura, Daitaro Ashiya, Hiroyuki Takahashi +5 more
2005120 citations Open access
Semantic Scholar
Seasonal changes in the relationship between photochemical reflectance index and photosynthetic light use efficiency of Japanese larch needles
T. Nakaji, H. Oguma, Y. Fujinuma
200699 citations
Semantic Scholar
CO2 and water vapor exchange of a larch forest in northern Japan
T. Hirano, R. Hirata, Y. Fujinuma, N. Saigusa +5 more
200399 citations
Semantic Scholar
Estimating the plant area density of a Japanese larch (Larix kaempferi Sarg.) plantation using a ground-based laser scanner
T. Takeda, H. Oguma, Tomohito Sano, Yasumichi Yone +1 more
200880 citations
Semantic Scholar
A multichannel automated chamber system for continuous measurement of forest soil CO2 efflux.
N. Liang, G. Inoue, Y. Fujinuma
2003Tree Physiology73 citations Open access
Semantic Scholar
Change in CO2 balance under a series of forestry activities in a cool‐temperate mixed forest with dense undergrowth
K. Takagi, Karibu Fukuzawa, N. Liang, M. Kayama +14 more
200970 citations
Semantic Scholar
Net ecosystem CO2 exchange over a larch forest in Hokkaido, Japan
Huimin Wang, N. Saigusa, S. Yamamoto, H. Kondo +3 more
200458 citations
Semantic Scholar
Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest
Maricar Aguilos, K. Takagi, N. Liang, M. Ueyama +14 more
201457 citations Open access
Semantic Scholar
Atmospheric methyl iodide: High correlation with surface seawater temperature and its implications on the sea‐to‐air flux
Y. Yokouchi, Y. Nojiri, L. Barrie, D. Toom-Sauntry +1 more
200157 citations
Semantic Scholar
Analysis and presentation of in situ atmospheric methane measurements from Cape Ochi‐ishi and Hateruma Island
Y. Tohjima, T. Machida, M. Utiyama, M. Katsumoto +2 more
200256 citations Open access
Semantic Scholar
A comparison of ΔpCO2 distributions in the northern North Pacific using results from a commercial vessel in 1995–1999
Ji-Ye Zeng, Y. Nojiri, P. Murphy, C. Wong +1 more
200254 citations
Semantic Scholar
Utility of spectral vegetation index for estimation of gross CO2 flux under varied sky conditions
T. Nakaji, R. Ide, H. Oguma, N. Saigusa +1 more
200751 citations
Semantic Scholar
Effects of low concentrations of ozone on the fine structure of radish leaves.
H. Miyake, H. Matsumura, Y. Fujinuma, Tsumugu Totsuka
1989New Phytologist50 citations Open access
Semantic Scholar
Comparisons of gap-filling methods for carbon flux dataset: A combination of a genetic algorithm and an artificial neural network
M. Ooba, T. Hirano, Jun-ichi Mogami, R. Hirata +1 more
200646 citations
Semantic Scholar
A study of trajectory quality using methane measurements from Hateruma Island
Ji-Ye Zeng, Y. Tohjima, Y. Fujinuma, H. Mukai +1 more
200343 citations
Semantic Scholar
Forest biomass and volume estimation using airborne LiDAR in a cool-temperate forest of northern Hokkaido, Japan
K. Takagi, Yasumichi Yone, Hiroyuki Takahashi, Rei Sakai +11 more
2015Ecological Informatics39 citations
Semantic Scholar
Carbon dioxide exchange of a larch forest after a typhoon disturbance
Tomohito Sano, T. Hirano, N. Liang, R. Hirata +1 more
201035 citations Open access
Semantic Scholar
Diurnal variations and vertical gradients of biogenic volatile and semi-volatile organic compounds at the Tomakomai larch forest station in Japan
T. Ieda, Y. Kitamori, M. Mochida, R. Hirata +4 more
200635 citations Open access
Semantic Scholar
Mapping of tree position of Larix leptolepis woods and estimation of diameter at breast height (DBH) and biomass of the trees using range data measured by a portable scanning lidar
K. Omasa, Yutaka Urano, H. Oguma, Y. Fujinuma
200232 citations
Semantic Scholar
Latitudinal distribution of atmospheric methyl bromide: Measurements and modeling
Y. Yokouchi, T. Machida, L. Barrie, D. Toom-Sauntry +6 more
200028 citations
Semantic Scholar
Ground-based millimeter-wave observations of ozone in the upper stratosphere and mesosphere over Tsukuba
T. Nagahama, H. Nakane, Y. Fujinuma, M. Ninomiya +2 more
199925 citations Open access
Semantic Scholar
Hybrid poplar stomata unresponsive to changes in environmental conditions
A. Furukawa, Shin-Young Park, Y. Fujinuma
1990Trees22 citations
Semantic Scholar
Allometric relationships and carbon and nitrogen contents for three major tree species (Quercus crispula, Betula ermanii, and Abies sachalinensis) in northern Hokkaido, Japan.
K. Takagi, Chikara Kotsuka, Karibu Fukuzawa, M. Kayama +26 more
201018 citations
Semantic Scholar
Measurements of Surface Seawater fCO2 from Volunteer Commercial Ships: Techniques and Experiences from Skaugran
P. Murphy, Y. Nojiri, Y. Fujinuma, C. Wong +3 more
200118 citations
Semantic Scholar
Characteristics of temporal variations in ecosystem CO 2 exchange in a temperate deciduous needle-leaf forest in the foothills of a high mountain
Yoshiyuki O. Takahashi, N. Saigusa, R. Hirata, R. Ide +3 more
201517 citations Open access
Semantic Scholar
Variations in atmospheric nitrous oxide observed at Hateruma monitoring station
Y. Tohjima, H. Mukai, Shamil Maksyutov, Yoshiyuki O. Takahashi +3 more
200017 citations
Semantic Scholar
CO2 flux measured by an open-path system over a larch forest during the snow-covered season
R. Hirata, T. Hirano, Jun-ichi Mogami, Y. Fujinuma +3 more
200516 citations
Semantic Scholar
Algorithm improvement and validation of National Institute for Environmental Studies ozone differential absorption lidar at the Tsukuba Network for Detection of Stratospheric Change complementary station.
C. Park, H. Nakane, N. Sugimoto, I. Matsui +5 more
2006Applied Optics14 citations
Semantic Scholar
Effect of spatial variation of soil respiration rates following disturbance by timber harvesting in a larch plantation in northern Japan
O. Masyagina, T. Hirano, Dong-Hun Ji, D. Choi +6 more
200614 citations
Semantic Scholar
Uptake of O3 by Various Street Trees
Y. Fujinuma, A. Furukawa, T. Totsuka, T. Tazaki
198713 citations Open access
Semantic Scholar
Comparison of leaf area density measured by laser range finder and stratified clipping method
T. Takeda, H. Oguma, Yasumichi Yone, Y. Yamagata +1 more
200511 citations
Semantic Scholar
Ammonia Emission from a Young Larch Ecosystem Afforested after Clear-Cutting of a Pristine Forest in Northernmost Japan
Kentaro Hayashi, K. Takagi, I. Noguchi, Karibu Fukuzawa +4 more
20098 citations
Semantic Scholar
Effect of autumn senescence on the relationship between the PRI and LUE of young Japanese larch trees
T. Nakaji, T. Takeda, Y. Fujinuma, H. Oguma
20058 citations
Semantic Scholar
Effects of low concentrations of Ozone (O3) on the growth of several woody plants
H. Shimizu, Y. Fujinuma, K. Kubota, T. Totsuka +1 more
19938 citations Open access
Semantic Scholar
Ground-Based Millimeter-Wave Radiometer for Measuring the Stratospheric Ozone over Rikubetsu, Japan
T. Nagahama, H. Nakane, Y. Fujinuma, A. Morihira +3 more
20077 citations Open access
Semantic Scholar
Measurement of wood CO2 efflux using a multichannel automated chamber system
N. Liang, Y. Fujinuma, G. Inoue
20057 citations
Semantic Scholar
Response of CO2 flux to environmental variables in two larch forest ecosystems in East Asia
Huimin Wang, N. Saigusa, Y. Zu, S. Yamamoto +5 more
20057 citations
Semantic Scholar
Effects of carbon dioxides and/or relative humidity on the growth and the transpiration of several plants.
H. Shimizu, Y. Fujinuma, K. Omasa
1996Acta Horticulturae6 citations
Semantic Scholar
Performance of optical indirect methods to assess the change in leaf area index of a larch plantation through thinning
Tomohito Sano, T. Hirano, T. Takeda, Y. Fujinuma
20125 citations Open access
Semantic Scholar
Variability in carbon stable isotope ratio of heterotrophic respiration in a deciduous needle‐leaf forest
Yoshiyuki O. Takahashi, N. Liang, R. Hirata, T. Machida +1 more
20085 citations Open access
Semantic Scholar
Estimation of Forest Resource Conditions in Larix kaempferi Stand Combining High Resolution Digital Aerial Photography and DTM by LiDAR Data.
R. Fukushi, H. Oguma, Yasumichi Yone, K. Suzuki +2 more
20085 citations Open access
Semantic Scholar
Deforestation Effects on the Micrometeorology in a Cool-temperate Forest in Northernmost Japan
K. Takagi, M. Nomura, Karibu Fukuzawa, M. Kayama +7 more
20055 citations Open access
Semantic Scholar
Relationships between Photosynthesis and Spectral Reflectance Indices in Japanese Larch Needles.
T. Nakaji, T. Takeda, Y. Mukai, T. Koike +2 more
20035 citations
Semantic Scholar
A semiannual variation of ozone in the middle mesosphere observed with the millimeter-wave radiometer at Tsukuba, Japan
T. Nagahama, H. Nakane, Y. Fujinuma, H. Ogawa +2 more
20035 citations Open access
Semantic Scholar
Development of measurement system for evaluating forest ecosystems : Measurement method of aboveground biomass growth by using airborne laser survey
Yasumichi Yone, H. Oguma, Y. Yamagata, Y. Fujinuma
20054 citations
Semantic Scholar
Effects of Weather and Day of the Week on Daily Use of Yumoto Ski Site at Oku-Nikko Area.
Y. Fujinuma, Yoji Aoki
19984 citations Open access
Semantic Scholar
A comparative analysis of the unit energy consumption in the commercial sector
Y. Hirano, Y. Tonooka, T. Ikaga, Y. Kikegawa +2 more
20082 citations Open access
Semantic Scholar

Frequent co-authors

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