Works by Ayumi KOTANI

Results: 18

Radiative and precipitation controls on root zone soil moisture spectra.

Published in:

Geophysical Research Letters, 2014, v. 41, n. 21, p. 7546, doi. 10.1002/2014GL061745

By:

Nakai, Taro;
Katul, Gabriel G.;
Kotani, Ayumi;
Igarashi, Yasunori;
Ohta, Takeshi;
Suzuki, Masakazu;
Kumagai, Tomo'omi

Publication type:

Article

A Google Trends analysis of people's sense of seasons in Hokkaido.

Published in:

Frontiers in Sustainable Tourism, 2024, p. 1, doi. 10.3389/frsut.2024.1446528

By:

Shin, Nagai;
Nakagawa, Hiromi;
Morimoto, Hiroshi;
Kotani, Ayumi

Publication type:

Article

The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023.

Published in:

Earth System Science Data Discussions, 2025, p. 1, doi. 10.5194/essd-2024-615

By:

Ueyama, Masahito;
Takao, Yuta;
Yazawa, Hiromi;
Tanaka, Makiko;
Yabuki, Hironori;
Kumagai, Tomo'omi;
Iwata, Hiroki;
Awal, Md. Abdul;
Du, Mingyuan;
Harazono, Yoshinobu;
Hata, Yoshiaki;
Hirano, Takashi;
Hiura, Tsutom;
Ide, Reiko;
Ishida, Sachinobu;
Ishikawa, Mamoru;
Kitamura, Kenzo;
Kominami, Yuji;
Komiya, Shujiro;
Kotani, Ayumi

Publication type:

Article

Impact of rice cultivation on evapotranspiration in small seasonal wetlands of north-central Namibia.

Published in:

Hydrological Research Letters, 2017, v. 11, n. 2, p. 134, doi. 10.3178/hrl.11.134

By:

Ayumi Kotani;
Tetsuya Hiyama;
Takeshi Ohta;
Miho Hanamura;
Kambatuku, Jack R.;
Awala, Simon K.;
Morio Iijima

Publication type:

Article

Year-round measurements of net ecosystem CO<sub>2</sub> flux over a montane larch forest in Mongolia.

Published in:

Journal of Geophysical Research. Atmospheres, 2005, v. 110, n. D9, p. n/a, doi. 10.1029/2004JD005453

By:

Li, Sheng-Gong;
Asanuma, Jun;
Kotani, Ayumi;
Eugster, Werner;
Davaa, Gombo;
Oyunbaatar, Dambaravjaa;
Sugita, Michiaki

Publication type:

Article

Stochastic representation of spatial variability in thaw depth in permafrost boreal forests.

Published in:

Permafrost & Periglacial Processes, 2023, v. 34, n. 4, p. 481, doi. 10.1002/ppp.2204

By:

Nakai, Taro;
Hiyama, Tetsuya;
Kotani, Ayumi;
Iijima, Yoshihiro;
Ohta, Takeshi;
Maximov, Trofim C.

Publication type:

Article

Persistence and memory timescales in root-zone soil moisture dynamics.

Published in:

Water Resources Research, 2016, v. 52, n. 2, p. 1427, doi. 10.1002/2015WR017983

By:

Ghannam, Khaled;
Nakai, Taro;
Paschalis, Athanasios;
Oishi, Christopher A.;
Kotani, Ayumi;
Igarashi, Yasunori;
Kumagai, Tomo'omi;
Katul, Gabriel G.

Publication type:

Article

How universal is the C function in the bulk atmospheric boundary layer similarity approach for estimating surface sensible heat flux?

Published in:

Water Resources Research, 2009, v. 45, n. 7, p. n/a, doi. 10.1029/2008WR007390

By:

Sugita, Michiaki;
Kato, Hidekazu;
Kotani, Ayumi;
Toda, Motomu

Publication type:

Article

Concise formulae for the atmospheric correction of hemispherical thermal radiation measured near the ground surface.

Published in:

Water Resources Research, 2009, v. 45, n. 7, p. n/a, doi. 10.1029/2007WR006679

By:

Kotani, Ayumi;
Sugita, Michiaki

Publication type:

Article

Effects of extreme drought and wet events for tree mortality: Insights from tree‐ring width and carbon isotope ratio in a Siberian larch forest.

Published in:

Ecohydrology, 2019, v. 12, n. 8, p. N.PAG, doi. 10.1002/eco.2143

By:

Tei, Shunsuke;
Sugimoto, Atsuko;
Yonenobu, Hitoshi;
Kotani, Ayumi;
Maximov, Trofim C.

Publication type:

Article

Temporal variations in the linkage between the net ecosystem exchange of water vapour and CO<sub>2</sub> over boreal forests in eastern Siberia.

Published in:

Ecohydrology, 2014, v. 7, n. 2, p. 209, doi. 10.1002/eco.1449

By:

Kotani, Ayumi;
Kononov, Alexander V.;
Ohta, Takeshi;
Maximov, Trofim C.

Publication type:

Article

Sap flow changes in relation to permafrost degradation under increasing precipitation in an eastern Siberian larch forest.

Published in:

Ecohydrology, 2014, v. 7, n. 2, p. 177, doi. 10.1002/eco.1366

By:

Iijima, Yoshihiro;
Ohta, Takeshi;
Kotani, Ayumi;
Fedorov, Alexander N.;
Kodama, Yuji;
Maximov, Trofim C.

Publication type:

Article

Assessment of drought condition using remotely sensed drought severity index and its correlations with soil moisture product in Inner Mongolia.

Published in:

Theoretical & Applied Climatology, 2020, v. 141, n. 1/2, p. 715, doi. 10.1007/s00704-020-03242-z

By:

Wang, Lusha;
Kotani, Ayumi;
Tanaka, Takafumi;
Ohta, Takeshi

Publication type:

Article

Mining plant phenology records from Kanazawa, Japan in the 1807–1838 Kakuson Diary.

Published in:

International Journal of Biometeorology, 2024, v. 68, n. 1, p. 125, doi. 10.1007/s00484-023-02576-3

By:

Shin, Nagai;
Sasai, Yoshikazu;
Kotani, Ayumi;
Saitoh, Taku M.

Publication type:

Article

Interannual variation of evapotranspiration in an eastern Siberian larch forest.

Published in:

Hydrological Processes, 2012, v. 26, n. 15, p. 2360, doi. 10.1002/hyp.9195

By:

Xue, Bao-Lin;
Komatsu, Hikaru;
Kumagai, Tomo'omi;
Kotani, Ayumi;
Otsuki, Kyoichi;
Ohta, Takeshi

Publication type:

Article

Monitoring of cherry flowering phenology with Google Trends.

Published in:

PLoS ONE, 2022, v. 17, n. 7, p. 1, doi. 10.1371/journal.pone.0271648

By:

Shin, Nagai;
Kotani, Ayumi;
Tei, Shunsuke;
Tsutsumida, Narumasa

Publication type:

Article

Energy-water budget analysis of an Arctic terrestrial models intercomparison GTMIP.

Published in:

Journal of the Japanese Society of Snow & Ice / Seppyo, 2018, v. 80, n. 2, p. 159, doi. 10.5331/seppyo.80.2_159

By:

Kazuyuki SAITO;
Junko MORI;
Hirokazu MACHIYA;
Shin MIYAZAKI;
Takeshi ISE;
Tetshuo SUEYOSHI;
Takeshi YAMAZAKI;
Yoshihiro IIJIMA;
Hiroki IKAWA;
Kazuhito ICHII;
Akihiko ITO;
Ryouta O'OISHI;
Takeshi OOTA;
Genki KATATA;
Ayumi KOTANI;
Takahiro SASAI;
Atsushi SATO;
Hisashi SATO;
Atsuko SUGIMOTO;
Rikie SUZUKI

Publication type:

Article

Dynamic Mapping of Subarctic Surface Water by Fusion of Microwave and Optical Satellite Data Using Conditional Adversarial Networks.

Published in:

Remote Sensing, 2021, v. 13, n. 2, p. 175, doi. 10.3390/rs13020175

By:

Mizuochi, Hiroki;
Iijima, Yoshihiro;
Nagano, Hirohiko;
Kotani, Ayumi;
Hiyama, Tetsuya

Publication type:

Article