Understory CO2, sensible heat, and latent heat fluxes in a black spruce forest in interior Alaska H Ikawa, T Nakai, RC Busey, Y Kim, H Kobayashi, S Nagai, M Ueyama, ... Agricultural and Forest Meteorology 214, 80-90, 2015 | 71 | 2015 |
Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data H Kobayashi, AP Yunus, S Nagai, K Sugiura, Y Kim, B Van Dam, ... Remote Sensing of Environment 177, 160-170, 2016 | 62 | 2016 |
8 million phenological and sky images from 29 ecosystems from the Arctic to the tropics: the Phenological Eyes Network S Nagai, T Akitsu, TM Saitoh, RC Busey, K Fukuzawa, Y Honda, T Ichie, ... Ecological research 33 (6), 1091-1092, 2018 | 47 | 2018 |
Expansion of agriculture in northern cold-climate regions: a cross-sectoral perspective on opportunities and challenges A Unc, D Altdorff, E Abakumov, S Adl, S Baldursson, M Bechtold, ... Frontiers in Sustainable Food Systems 5, 663448, 2021 | 46 | 2021 |
Methane exchange in a poorly-drained black spruce forest over permafrost observed using the eddy covariance technique H Iwata, Y Harazono, M Ueyama, A Sakabe, H Nagano, Y Kosugi, ... Agricultural and Forest Meteorology 214, 157-168, 2015 | 37 | 2015 |
Carbon dioxide balance in early-successional forests after forest fires in interior Alaska M Ueyama, H Iwata, H Nagano, N Tahara, C Iwama, Y Harazono Agricultural and Forest Meteorology 275, 196-207, 2019 | 35 | 2019 |
CO2, N2O and CH4 production/consumption potentials of soils under different land-use types in central Japan and eastern Hungary YH Kong, H Nagano, J Kátai, I Vágó, ÁZ Oláh, M Yashima, K Inubushi Soil Science and Plant Nutrition 59 (3), 455-462, 2013 | 32 | 2013 |
Effects of land-use type and nitrogen addition on nitrous oxide and carbon dioxide production potentials in Japanese Andosols YH Kong, M Watanabe, H Nagano, K Watanabe, M Yashima, K Inubushi Soil science and plant nutrition 59 (5), 790-799, 2013 | 31 | 2013 |
Emissions of carbon dioxide, methane, and nitrous oxide from short-and long-term organic farming Andosols in central Japan H Nagano, S Kato, S Ohkubo, K Inubushi Soil science and plant nutrition 58 (6), 793-801, 2012 | 25 | 2012 |
In situ observations reveal how spectral reflectance responds to growing season phenology of an open evergreen forest in Alaska H Kobayashi, S Nagai, Y Kim, W Yang, K Ikeda, H Ikawa, H Nagano, ... Remote Sensing 10 (7), 1071, 2018 | 21 | 2018 |
Optimization of a biochemical model with eddy covariance measurements in black spruce forests of Alaska for estimating CO2 fertilization effects M Ueyama, N Tahara, H Iwata, ES Euskirchen, H Ikawa, H Kobayashi, ... Agricultural and Forest Meteorology 222, 98-111, 2016 | 21 | 2016 |
Does summer warming reduce black spruce productivity in interior Alaska? M Ueyama, S Kudo, C Iwama, H Nagano, H Kobayashi, Y Harazono, ... Journal of forest research 20 (1), 52-59, 2015 | 21 | 2015 |
Effects of water vapor dilution on trace gas flux, and practical correction methods Y Harazono, H Iwata, A Sakabe, M Ueyama, K Takahashi, H Nagano, ... Journal of Agricultural Meteorology 71 (2), 65-76, 2015 | 15 | 2015 |
Carbon and nitrogen contents and greenhouse gas fluxes of the Eurasian steppe soils with different land-use histories located in the Arkaim museum reserve of South Ural, Russia H Nagano, S Sugihara, M Matsushima, S Okitsu, VE Prikhodko, ... Soil science and plant nutrition 58 (2), 238-244, 2012 | 12 | 2012 |
Extremely dry environment down-regulates nighttime respiration of a black spruce forest in Interior Alaska H Nagano, H Ikawa, T Nakai, M Matsushima-Yashima, H Kobayashi, ... Agricultural and forest meteorology 249, 297-309, 2018 | 11 | 2018 |
Temperature regimes and turbulent heat fluxes across a heterogeneous canopy in an Alaskan boreal forest D Starkenburg, GJ Fochesatto, J Cristóbal, A Prakash, R Gens, JG Alfieri, ... Journal of Geophysical Research: Atmospheres 120 (4), 1348-1360, 2015 | 11 | 2015 |
Development of Mn recovery process from waste dry cell batteries T Yamaguchi, H Nagano, R Murai, H Sugimori, C Sekiguchi, I Sumi Journal of Material Cycles and Waste Management 20 (4), 1909-1917, 2018 | 9 | 2018 |
Contrasting 20-year trends in NDVI at two Siberian larch forests with and without multiyear waterlogging-induced disturbances H Nagano, A Kotani, H Mizuochi, K Ichii, H Kanamori, T Hiyama Environmental Research Letters 17 (2), 025003, 2022 | 7 | 2022 |
Dynamic mapping of subarctic surface water by fusion of microwave and optical satellite data using conditional adversarial networks H Mizuochi, Y Iijima, H Nagano, A Kotani, T Hiyama Remote Sensing 13 (2), 175, 2021 | 7 | 2021 |
Leaf-and ecosystem-scale photosynthetic parameters for the overstory and understory of boreal forests in interior Alaska M Ueyama, N Tahara, H Nagano, N Makita, H Iwata, Y Harazono Journal of Agricultural Meteorology 74 (2), 79-86, 2018 | 6 | 2018 |