Shin Nagai

21 papers C 1Journal 20
YearRankTypeTitle / Venue / Authors
2025 J jnl
Long-Term Temporal Variability of Flowering Day of Red Spider Lily (Lycoris radiata).
Data
Shin Nagai, Taku M. Saitoh
2023 J jnl
A Semiempirical Approach for Decomposition of Remotely Sensed Leaf Area Index Into Overstory and Understory Components Over Russian Forests.
IEEE Trans. Geosci. Remote. Sens.
Nikolay V. Shabanov, Sergey A. Bartalev, Hideki Kobayashi, Shin Nagai, Tatyana S. Khovratovich, Vasily Zharko, Andrey Medvedev, Natalia Telnova
2022 J jnl
Evaluation of Land Surface Phenology for Autumn Leaf Color Change Based on Citizen Reports across Japan.
Remote. Sens.
Narumasa Tsutsumida, Shin Nagai, Tomoaki Miura
2020 J jnl
A simpler way to predict flowering and full bloom dates of cherry blossoms by self-organizing maps.
Ecol. Informatics
Shin Nagai, Hiroshi Morimoto, Taku M. Saitoh
2020 J jnl
Landslide Detection with Himawari-8 Geostationary Satellite Data: A Case Study of a Torrential Rain Event in Kyushu, Japan.
Remote. Sens.
Tomoaki Miura, Shin Nagai
2020 J jnl
Measuring phenology uncertainty with large scale image processing.
Ecol. Informatics
Guilherme Rezende Alles, João Luiz Dihl Comba, Jean-Marc Vincent, Shin Nagai, Lucas Mello Schnorr
2020 J jnl
Use of sea surface discoloration to monitor and discriminate the causative genera of harmful algal blooms (HABs): Practical use of digital repeat photography.
Ecol. Informatics
Tadashi Nakano, Shin Nagai, Toshifumi Yamatogi, Takeo Kurihara, Kazumaro Okamura
2019 J jnl
Evaluating land surface phenology from the Advanced Himawari Imager using observations from MODIS and the Phenological Eyes Network.
Int. J. Appl. Earth Obs. Geoinformation
Dong Yan, Xiaoyang Zhang, Shin Nagai, Yunyue Yu, Tomoko Akitsu, Kenlo Nishida Nasahara, Reiko Ide, Takahisa Maeda
2019 C conf
Monitoring Vegetation Dynamics In Japan Using Himawari Geostationary Satellite.
IGARSS
Tomoaki Miura, Shin Nagai, Kazuhito Ichii, Hiroki Yoshioka
2018 J jnl
In Situ Observations Reveal How Spectral Reflectance Responds to Growing Season Phenology of an Open Evergreen Forest in Alaska.
Remote. Sens.
Hideki Kobayashi, Shin Nagai, Yongwon Kim, Wei Yang, Kyoko Ikeda, Hiroki Ikawa, Hirohiko Nagano, Rikie Suzuki
2017 J jnl
Correction: Anderson, H.B. et al. Using Ordinary Digital Cameras in Place of Near-Infrared Sensors to Derive Vegetation Indices for Phenology Studies of High Arctic Vegetation.
Remote. Sens.
Helen B. Anderson, Lennart Nilsen, Hans Tømmervik, Stein Rune Karlsen, Shin Nagai, Elisabeth J. Cooper
2016 J jnl
Usability of time-lapse digital camera images to detect characteristics of tree phenology in a tropical rainforest.
Ecol. Informatics
Shin Nagai, Tomoaki Ichie, Aogu Yoneyama, Hideki Kobayashi, Tomoharu Inoue, Reiichiro Ishii, Rikie Suzuki, Takao Itioka
2016 J jnl
Using Ordinary Digital Cameras in Place of Near-Infrared Sensors to Derive Vegetation Indices for Phenology Studies of High Arctic Vegetation.
Remote. Sens.
Helen B. Anderson, Lennart Nilsen, Hans Tømmervik, Stein Rune Karlsen, Shin Nagai, Elisabeth J. Cooper
2015 J jnl
Uncertainties involved in leaf fall phenology detected by digital camera.
Ecol. Informatics
Shin Nagai, Tomoharu Inoue, Toshiyuki Ohtsuka, Shinpei Yoshitake, Kenlo Nishida Nasahara, Taku M. Saitoh
2015 J jnl
Utilization of ground-based digital photography for the evaluation of seasonal changes in the aboveground green biomass and foliage phenology in a grassland ecosystem.
Ecol. Informatics
Tomoharu Inoue, Shin Nagai, Hideki Kobayashi, Hiroshi Koizumi
2014 J jnl
Detection of the different characteristics of year-to-year variation in foliage phenology among deciduous broad-leaved tree species by using daily continuous canopy surface images.
Ecol. Informatics
Tomoharu Inoue, Shin Nagai, Taku M. Saitoh, Hiroyuki Muraoka, Kenlo Nishida Nasahara, Hiroshi Koizumi
2014 J jnl
Spatial Scale and Landscape Heterogeneity Effects on FAPAR in an Open-Canopy Black Spruce Forest in Interior Alaska.
IEEE Geosci. Remote. Sens. Lett.
Hideki Kobayashi, Rikie Suzuki, Shin Nagai, Taro Nakai, Yongwon Kim
2013 J jnl
Utility of information in photographs taken upwards from the floor of closed-canopy deciduous broadleaved and closed-canopy evergreen coniferous forests for continuous observation of canopy phenology.
Ecol. Informatics
Shin Nagai, Taku M. Saitoh, Nam Jin Noh, Tae Kyung Yoon, Hideki Kobayashi, Rikie Suzuki, Kenlo Nishida Nasahara, Yowhan Son, Hiroyuki Muraoka
2012 J jnl
A Vegetation Index to Estimate Terrestrial Gross Primary Production Capacity for the Global Change Observation Mission-Climate (GCOM-C)/Second-Generation Global Imager (SGLI) Satellite Sensor.
Remote. Sens.
Juthasinee Thanyapraneedkul, Kanako Muramatsu, Motomasa Daigo, Shinobu Furumi, Noriko Soyama, Kenlo Nishida Nasahara, Hiroyuki Muraoka, Hibiki M. Noda, Shin Nagai, Takahisa Maeda, Masayoshi Mano, Yasuko Mizoguchi
2012 J jnl
Assessing the use of camera-based indices for characterizing canopy phenology in relation to gross primary production in a deciduous broad-leaved and an evergreen coniferous forest in Japan.
Ecol. Informatics
Taku M. Saitoh, Shin Nagai, Nobuko Saigusa, Hideki Kobayashi, Rikie Suzuki, Kenlo Nishida Nasahara, Hiroyuki Muraoka
2011 J jnl
Evaluation of Sub-Pixel Cloud Noises on MODIS Daily Spectral Indices Based on
Remote. Sens.
Takeshi Motohka, Kenlo Nishida Nasahara, Kazutaka Murakami, Shin Nagai