Published papers
2025 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| Estimation of methane emissions from inundated areas in northern Eurasia using a process-based model and remotely sensed inundation dynamics data | Progress in Earth and Planetary Science | Ito, A., Mizuochi, H. and Hiyama, T. | ||
| Water tracer model-assessed contributions of source waters to changing circumpolar Arctic terrestrial evapotranspiration and river discharge | Journal of Hydrology | Park, H., Kim, Y., Gibson, J. and Hiyama, T. | 10.10 16/j.j hydrol. 2025. 1343 79G | 8 Oct. 2025 |
| Climatological characteristics of atmospheric rivers over Northern Eurasia during summer | Progress in Earth and Planetary Science | Fukutomi, Y., Kanamori, H. and Hiyama, T. | 10.11 86/s 4064 5-025 -007 45-z | 29 Sep. 2025 |
| The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023 | Earth System Science Data | Ueyama, M. et al. | 10.51 94/ essd -17- 3807-2025 | 21 Aug. 2025 |
| Machine learning-based spatial analysis of the spring states in the southernmost Eurasian permafrost, Hangai Mountains, central Mongolia | Progress in Earth and Planetary Science | Ishikawa, M., Okazaki, A., Dashtseren, A., Temuujin, K. and Hiyama, T. | 10.11 86/s 4064 5-025 -007 20-8 | 1 Jul. 2025 |
| Positive surface air temperature trends in a subarctic region: Analyzing the changes in dominant periodic components and energy budget | Atmospheric Research | Salehnia, N., Park, C.-H., Park, H., Fedorov, N., Ahn, J., Fedorov, A. and Son, S.-W. | 10.10 16/j. atmos res. 2025. 107981 | 1 Jun. 2025 |
2024 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| Can Subdaily LST Be Constructed in High-latitude Regions Using Polar Orbiting Satellites? | IEEE Geoscience and Remote Sensing Letters | Liu, Z., Ichii, K., Yamamoto, Y., Ueyama, M., Kobayashi, H., Hiyama, T., Kotani, A., Maximov, T., Sullivan, R.C. and Biraud, S. | 10.11 09/ LGRS. 2025. 3546 797 | 28 Feb. 2025 |
| Wildfires offset the increasing but spatially heterogeneous Arctic–boreal CO2 uptake | Nature Climate Change | Virkkala, A. et al. | 10.10 38/s 41558 -024-02234-5 | 21 Jan. 2025 |
| Land cover classification for Siberia leveraging diverse global land cover datasets | Progress in Earth and Planetary Science | Beak, M., Ichii, K., Yamamoto, Y., Wang, R., Zhang, B., Sharma, R.C. and Hiyama, T. | 10.11 86/s 406 45-024 -006 72-5 | 6 Jan. 2025 |
| Different atmospheric circulation patterns associated with heatwaves over northeastern Siberia in July and August | International Journal of Climatology | Zhou, X., Li, S. and Sato, T. | 10.10 02/joc. 8731 | 26 Dec 2024 |
| How does a dynamic surface roughness affect snowpack modeling? | Polar Science | Sanow, J. E., Fassnacht, S. R. and Suzuki, K. | 10.10 16/j. polar. 2024. 101 110 | 27 Aug. 2024 |
| How much can riverine biogeochemical fluxes affect the Arctic ocean acidification? | Journal of Geophysical Research: Oceans | Zhang, Y., Yamamoto-Kawai, M., Watanabe, E. and Park, H. | 10.10 29/ 2023 JC02 0404 | 10 Jun. 2024 |
| Transient modelling of permafrost distribution from 1986 to 2016 in Mongolia | Permafrost and Periglacial Processes | Ishikawa, M., Westermann, S., Jambaljav, Y., Dashtseren, A., Hiyama. T., Endo, N. and Etzelmüller, B. | 10.10 02/pp p.2 231 | 29 May. 2024 |
| Construction and validation of a dawn and dusk land surface temperature using MERSI-LL FY-3E | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing | Liu, Z., Ichii, K., Yamamoto, Y., Wang, R., Kobayashi, H. and Ueyama, M. | 10.11 09/JS TARS. 2024. 3387 979 | 12 Apr. 2024 |
2023 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| Location dictates snow aerodynamic roughness | Glacies | Fassnacht, S. R., Suzuki, K., Nemoto, M., Sanow, J. E., Kosugi, K., Tedesche, M. E. and Frey, M. M. | 10.33 90/ glacies 101 0001. | 29 Mar. 2024 |
| Impact of permafrost degradation on the extreme increase of dissolved iron concentration in the Amur River during 1995–1997 | Progress in Earth and Planetary Science | Tashiro, Y., Hiyama, T., Kanamori, H. and Kondo, M. | 10.11 86/s 406 45- 024-006 19-w | 26 Mar. 2024 |
| Influence of snowmelt on increasing Arctic river discharge: numerical evaluation | Progress in Earth and Planetary Science | Park, H., Kim, Y., Suzuki, K. and Hiyama, T. | 10.11 86/s 406 45- 024- 006 17-y | 12 Mar. 2024 |
| Creation and environmental applications of 15-year daily inundation and vegetation maps for Siberia by integrating satellite and meteorological datasets | Progress in Earth and Planetary Science | Mizuochi, H., Sasagawa, T., Ito, A., Iijima, Y., Park, H., Nagano, H., Ichii, K. and Hiyama, T. | 10.11 86/s 406 45- 024 -006 14-1 | 23 Feb. 2024 |
| Structure and characteristics of synoptic-scale waves in the Northern Eurasian storm track during summer | Monthly Weather Review | Fukutomi, Y. and Hiyama, T. | 10.11 75/M WR- D-23 -008 4.1 | 29 Dec. 2023 |
| Consideration of whether a climatic regime shift has prevented the occurrence of a cold summer in northeast Eurasia since 2010 | Journal of Climate | Amano, M., Tachibana, Y. and Ando, Y. | 10.11 75/J CLI- D-23 -019 1.1 | 7 Nov 2023 |
| Interannual variation of the Warm Arctic-Cold Eurasia pattern modulated by Ural Blocking and the North Atlantic Oscillation under changing sea ice conditions | Progress in Earth and Planetary Science | Zhou, X., Sato, T. and Li, S. | 10.11 86/s4 064 5-023-0059 1-x | 3 Oct. 2023 |
| Global estimates of daily evapotranspiration using SMAP surface and root-zone soil moisture | Remote Sensing of Environment | Kim, Y., Park, H., Kimball, J., Colliander, A. and McCabe, M. | 10.10 16/j. rse.2 023.1 13803 | 17 Sep. 2023 |
| Stochastic representation of spatial variability in thaw depth in permafrost boreal forests | Permafrost and Periglacial Processes | Nakai, T., Hiyama, T., Kotani, A., Iijima, Y., Ohta, T. and Maximov, T.C. | 10.10 02/p pp.2 204 | 10 Aug. 2023 |
| Permafrost wetlands are sources of dissolved iron and dissolved organic carbon to the Amur-Mid Rivers in summer | Journal of Geophysical Research: Biogeosciences | Tashiro, Y., Yoh, M., Shesterkin, V. P., Shiraiwa, T., Onishi, T. and Naito, D. | 10.10 29/2 023J G007 481 | 9 Aug. 2023 |
| Snow surface roughness across spatio-temporal scales | Water | Fassnacht, R. S., Suzuki, K., Sanow, E. J., Sexstone, A. G., Pfohl, K. D. A., Tedesche, E. M., Simms, M. B., and Thomas S. E. | 10.33 90/w 1512 2196 | 11 Jun. 2023 |
2022 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| Autumn cooling paused increased net CO2 release in central Eurasia | Nature Climate Change | Kondo, M., Sasakawa, M., Machida, T., Arshinov, M. and Hiyama, T. | 10.10 38/s 4155 8-02 3-01 625- 4 | 16 Mar. 2023 |
| Using interferometric systhetic apparent rader (InSAR) analysis to detect ground deformation related to irreversibly changing ground ice, Mongolia | Land Degradation & Development | Ishikawa, M., Avtar, R. and Mo, S. | 10.10 02/ldr. 4644 | 10 Feb. 2023 |
| High moisture confluence in Japan Sea polar air mass convergence zone captured by hourly radiosonde launches from a ship | Scientific Reports | Tachibana, Y.,Honda, M., Nishikawa, H., Kawase, H., Yamanaka, H., Hata, D., Kashino, Y. | 10.10 38/s 4159 8-02 2-23 371-x | 23 Dec. 2023 |
| Contribution of summer net precipitation to winter river discharge in permafrost zone of the Lena River basin | Journal of Hydrology | Hiyama, T., Park, H., Kobayashi, K., Lebedeva, L. and Gustafsson, D. | 10.10 16/j.jh ydrol. 2022. 1287 97 | 28 Nov. 2022 |
| Enhanced Arctic moisture transport toward Siberia in autumn revealed by tagged moisture transport model experiment | npj Climate and Atmospheric Science | Sato, T., Nakamura, T., Iijima, Y. and Hiyama, T. | 10.10 38/s4 1612- 022-0 031 0-1 | 24 Nov. 2022 |
| Snow disappearance timing associated with elevation and vegetation type determines heterogeneity in spring onset in interior Alaska | Polar Science | Kawashima, S., Ueyama, M., Harazono, Y., Iwata, H. and Kobayashi, H. | 10.10 16/j.p olar.2 022.1 00918 | 16 Nov. 2022 |
| Contribution of water rejuvenation induced by climate warming to evapotranspiration in a Siberian boreal forest | Frontiers in Earth Science: Hydrosphere | Park, H., Hiyama, T. and Suzuki, K. | 10.33 89/fe art.20 22.10 3766 8 | 31 Oct. 2022 |
| Warming response of peatland CO2 sink is sensitive to seasonality in warming trends | Nature Climate Change | Helbig, M., Živković, T., Alekseychik, P., Aurela, M., El-Madany, T. S., Euskirchen, E. S., Flanagan, L. B., Griffis, T., Hanson, P.J., Hattaka, J., Helfter, C., Hirano, T., Humphreys, E., Kiely, G., Kolka, R., Laurila, T., Leahy, P., Lohila, A., Mammarella, I., Nilsson, M., Panov, A., Parmentier, F. J. W., Peichl, M., Rinne, J., Roman, D., Sonnentag, O., Tuittila, E.-S., Ueyama, M., Vesala, T., Vestin, P., Weldon, S., Weslien, P. and Zaehle, S. | 10.1038/ s41558- 022-01428-z | 28 Jul. 2022 |
| Impacts of global warming on summer precipitation trend over northeastern Eurasia during 1990–2010 using large-ensemble experiments | International Journal of Climatology | Kanamori, H., Abe, M., Fujinami, H. and Hiyama, T. | 10.1002/ joc.7798 | 8 Jul. 2022 |
| Decrease of winter cyclone passage over northern Japan due to the reduction in the regional cyclogenesis associated with cold air outbreak | International Journal of Climatology | Tamura, K., Sato, T. | 10.1002/ joc.7667 | 22 Apr. 2022 |
2021 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| A possible linkage of Eurasian heat wave and East Asian heavy rainfall in Relation to the Rapid Arctic warming | Environmental Research | Nakamura, T., and Sato T. | 10.1016/ j.envres. 2022. 112881 | 7 Feb. 2022 |
| The ABCflux database: Arctic–boreal CO2 flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems | Earth System Science Data | Virkkala, A., et al. | 10.5194/ essd-14-179-2022 | 21 Jan. 2022 |
| Contrasting 20–year trends in NDVI at two Siberian larch forests with and without multi–year waterlogging–induced disturbances | Environmental Research Letters | Nagano, H., Kotani, A., Mizuochi, H., Ichii, K., Kanamori, H. and Hiyama, T. | 10.1088/ 1748-9326 /ac4884 | 21 Jan. 2022 |
| Dominant spatial-patterns of interannual variability in summer precipitation across northern Eurasia from CMIP5 models | International Journal of Climatology | Abe, M., Fujinami, H. and Hiyama, T. | 10.1002/ joc.7526 | 6 Jan. 2022 |
| Slow-down in summer warming over Greenland in the past decade linked to central Pacific El Niño | Communications Earth & Environment | Matsumura, S., Yamazaki, K. and Suzuki, K. | 10.1038/ s43247-021-003 29-x | 16 Dec. 2021 |
| Quantitative separation of precipitation and permafrost waters used for evapotranspiration in a boreal forest: A numerical study using tracer model | Journal of Geophysical Research – Biogeosciences | Park, H., Tanoue, M., Sugimoto, A., Ichiyanagi, K., Iwahana, G. and Hiyama, T. | 10.1029/ 2021JG 006645 | 24 Nov. 2021 |
| Effect of permafrost thawing on discharge of the Kolyma River, northeastern Siberia | Remote Sensing | Suzuki, K., Park, H., Makarieva, O., Kanamori, H., Hori, M., Matsuo, K., Matsumura, S., Nesterova, N. and Hiyama, T. | 10.3390/ rs13214 389 | 31 Oct. 2021 |
| Controlling factors of historical variation of winter Tibetan Plateau snow cover revealed by large-ensemble experiments | Journal of Geophysical Research – Atmospheres | Li, S., Sato, T., Nakamura, T., Liu, X. and Guo, W. | 10.1029/ 2021JD 035127 | 20 Oct. 2021 |
| Global trends in land-atmosphere CO2 exchange fluxes: an analysis of a flux measurement dataset and comparison with terrestrial model simulations | Journal of Agricultural Meteorology | Ito, A. | 10.2480/ agrmet. D-21-00015 | 10 Oct. 2021 |
| Communicating Arctic-midlatitude weather and ecosystem connections: direct observations and sources of intermittency | Environmental Research Letters | Overland, J. E., Kim, B.-M. and Tachibana, Y. | 10.1088/ 1748-93 26/ac 25bc | 29 Sep. 2021 |
| Numerical assessments of excess ice impacts on permafrost and greenhouse gases in a Siberian tundra site under a warming climate | Frontiers in Earth Science: Cryospheric Sciences | Park, H., Fedorov, A.N., Konstantinov, P. and Hiyama, T. | 10.3389/ feart. 2021.70 4447 | 22 Sep. 2021 |
| Heat flux, water temperature and discharge from 15 northern Canadian rivers draining to Arctic Ocean and Hudson Bay | Global and Planetary Change | Yang, D., Shrestha, R.R., Li Yung Lung, J., Tank, S., and Park, H. | 10.1016/ j.glopla cha.2021. 103577 | 19 Jul. 2021 |
| Spatiotemporal variations and regional differences in air temperature in the permafrost regions in the Northern Hemisphere during 1980–2018 | Science of the Total Environment | Hu, G., Zhao, L., Wu, T., Wu, X., Park, H., Fedorov, A., Wei, Y., Li, R., Zhu, X., Sun, Z., Ni, J. and Zou, D. | 10.1016/ j.scitot env.2021. 148358 | 8 Jun. 2021 |
| Possible semi-circumglobal teleconnection across Eurasia driven by deep convection over the Sahel | Climate Dynamics | Nakanishi, T., Tachibana, Y., and Ando, Y. | 10.10 07/s00 382-02 1-0580 4-x | 20 May 2021 |
| Relationship between circum-Arctic atmospheric wave patterns and large-scale wildfires in boreal summer | Environmental Research Letters | Yasunari, T.J., Nakamura, H., Kim, K-M., Choi, N., Lee, M-I., Tachibana, Y. and da Silva, M.A. | 10.10 88/174 8-9326 /abf7e | 17 May 2021 |
| Mapping the main characteristics of permafrost on the basis of a permafrost‐landscape map of Yakutia using GIS | Land | Shestakova, A.A., Fedorov, A.N., Torgovkin, Y.I., Konstantinov, P.Y., Vasyliev, N.F., Kalinicheva, S.V., Samsonova, V.V., Hiyama, T., Iijima, Y., Park, H., Iwahana, G. and Gorokhov, A.N. | 10.3390/ land1005 0462 | 27 Apr. 2021 |
| Validation of GSMaP products for a heavy rainfall event over complex terrain in Mongolia captured by the GPM core observatory | Journal of Meteorological Society of Japan | Komatsu, K.K., Iijima, Y., Kaneko, Y. and Oyunbaatar, D. | 10.2151/ jmsj.2021 -048 | 20 Apr. 2021 |
2020 fiscal year
| Title | Journal/Book | Authors | doi | Release |
| Lessons learned from more than a decade of greenhouse gas flux measurements at boreal forests in eastern Siberia and interior Alaska | Polar Science | Hiyama, T., Ueyama, M., Kotani, A., Iwata, H., Nakai, T., Okamura, M., Ohta, T., Harazono, Y., Petrov, R.E. and Maximov, T.C. | 10.1016/j.p olar.2020.100 607 | 31 Mar. 2021 |
| Groundwater age of spring discharges under changing permafrost conditions: the Khangai Mountains in central Mongolia | Environmental Research Letters | Hiyama, T., Dashtseren, A., Asai, K., Kanamori, H., Iijima, Y. and Ishikawa, M. | 10.1088/ 1748-9326/ abd1a1 | 11 Jan. 2021 |
| Dynamic mapping of subarctic surface water by fusion of microwave and optical satellite data using conditional adversarial networks | Remote Sensing | Mizuochi, H., Iijima,Y., Nagano, H., Kotani, A. and Hiyama, T. | 10.3390/ rs13020175 | 06 Jan. 2021 |
| Role of the cold Okhotsk Sea on the climate of the North Pacific subtropical high and Baiu precipitation | Journal of Climate | Kawasaki, K., Tachibana, Y., Nakamura, T., and Yamazaki, K. | 10.1175/ JCLI-D- 20-0432.1 | 15 Dec. 2020 |
| Increasing riverine heat influx triggers Arctic sea ice decline and oceanic and atmospheric warming | Science Advances | Park, H., Watanabe, E., Kim, Y., Polyakov, I., Oshima, K., Zhang, X., Kimball, S.J.and Yang, D. | 10.1126/sci adv.abc4699 | 06 Nov. 2020 |
| Co-production of permafrost degradation impact assessment for permafrost environmental utilization and conservation | Impact | Iijima, Y. | 10.21820/ 23987073. 2020.6.29 | 01 Nov. 2020 |
| Accelerated continental-scale snowmelt and ecohydrological impacts in the four largest Siberian river basins in response to spring warming | Hydrological Processes | Suzuki, K., Hiyama, T., Matsuo, K., Ichii, K., Iijima, Y. and Yamazaki, D. | 10.1002/hy p.13844 | 04 Jun. 2020 |
Submitted papers
| Title | Journal/Book | Authors |
| Interdecadal and multidecadal variabilities in summer precipitation affecting persistent wet and dry years over Siberia | Progress in Earth and Planetary Science | Kanamori, H., Fukutomi, Y., Fujinami, H. and Hiyama. T. |
