Researcher Information
researchmap URL
Research Interests
Research Areas
Research History
- Apr. 2026 - Present
Japan Agency for Marine-Earth Science and Technology, Earth Surface System Research Center, Research Institute for Global Change, Senior scientist - Apr. 2019 - Mar. 2026
Japan Agency for Marine-Earth Science and Technology, Earth Surface System Research Center, Research Institute for Global Change, Senior researcher - Apr. 2019 - Mar. 2024
Gifu University, River Basin Research Center, Guest professor - Jul. 2017 - Mar. 2019
Japan Agency for Marine-Earth Science and Technology, Research and Development Center for Global Change, Senior researcher - Apr. 2014 - Jun. 2017
Japan Agency for Marine-Earth Science and Technology, 地球表層物質循環研究分野, 主任研究員 - May 2011 - Mar. 2014
School of Advanced Science and Engineering, Waseda University, Guest Researcher - Apr. 2009 - Mar. 2014
Japan Agency for Marine-Earth Science and Technology, 地球環境変動領域, 技術研究副主任 - Mar. 2011 - Mar. 2013
Research Institute for Humanity and Nature, Guest Researcher - Apr. 2007 - Mar. 2009
Gifu University, River Basin Research Center, 岐阜大学21世紀COEプログラム「衛星生態学創生拠点」ポスドク研究員 - Jun. 2003 - Mar. 2006
名古屋大学21世紀COEプログラム「太陽・地球・生命圏相互作用系の変動学」DC研究員など - National Institute of Advanced Industrial Science and Technology, Guest Researcher
Education
Committee Memberships
- Jun. 2024 - Present
日本リモートセンシング学会 国際委員会 - Mar. 2024 - Present
日本学術会議 地球惑星科学委員会地球・惑星圏分科会地球観測衛星将来構想小委員会 - Apr. 2014 - Present
文部科学省 科学技術・学術政策研究所 科学技術動向研究センター 専門調査員 - Present
日本気象学会第43期学術委員会「航空機観測に関する検討部会」 - Apr. 2024 - Mar. 2026
日本シベリア学会 幹事 - May 2022 - Jun. 2024
日本リモートセンシング学会 理事(国際委員長) - Jun. 2017 - May 2022
日本リモートセンシング学会 評議員 - Apr. 2018 - Mar. 2021
環境研究総合推進費アドバイザー - Nov. 2011 - Mar. 2014
宇宙航空研究開発機構 地球圏総合診断委員会陸域分科会 委員, 宇宙航空研究開発機構
Research activity information
Papers
- Nagai Shin; Taku M. Saitoh; Chifuyu Katsumata
Retrieving Seasonal Disaster Records from Early 19th Century Diaries (accepted)
Data, 07 Apr. 2026
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M. Saitoh
Long-Term Temporal Variability of Flowering Day of Red Spider Lily (Lycoris radiata)
Data, 05 Jan. 2026
11, 9
[Reviewed]
Lead, Corresponding - Nagai Shin; Yoshikazu Sasai; Chifuyu Katsumata; Hiromi Nakagawa; Hiroshi Morimoto
Analysis of historical dark data shows multiple regime changes among pelagic migratory fishes around Japan over 120 years
Frontiers in Marine Science, 23 May 2025
12, 1552708
[Reviewed]
Lead, Corresponding - Nagai Shin; Hakuryu Fujiwara; Shinjiro Sugiyama; Hiroshi Morimoto; Taku M. Saitoh
Estimation of true dates of various flowering stages at a centennial scale by applying a Bayesian statistical state space model
PLOS ONE, 05 Feb. 2025
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M Saitoh; Hiroshi Morimoto
Spatial variability of the difference in dates of first flowering or first full bloom of Yoshino cherry between consecutive years in Japan
Japanese Journal of Biometeorology, Feb. 2025
61, 3-4, 79, 89
[Reviewed]
Lead, Corresponding - Nagai Shin; Kyoko Ikeda; Hideki Kobayashi
Remote sensing of Cerasus × yedoensis
Journal of the Remote Sensing Society of Japan, Feb. 2025
45, 1, 29, 35
Lead, Corresponding - Nagai Shin; Hiromi Nakagawa; Hiroshi Morimoto; Ayumi Kotani
A Google Trends analysis of people's sense of seasons in Hokkaido
Frontiers in Sustainable Tourism, 17 Dec. 2024
3
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M Saitoh; Hideyuki Takasu; Hiroshi Morimoto
Influence of climate change on flowering phenology of Yoshino cherry at its southern distribution limit
International Journal of Biometeorology, 11 Oct. 2024
[Reviewed]
Lead, Corresponding - Nagai Shin; Hiroaki Mikami
Folklore from space
Journal of the Remote Sensing Society of Japan, Oct. 2024
44, 3, 195, 201
Lead, Corresponding - Nagai Shin; Taku M Saitoh; Shigeya Nagayama
Monitoring the phenology of ayu and satsukimasu trout through wholesale market statistics
Japanese Journal of Biometeorology, Jun. 2024
61, 1, 19, 31
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M. Saitoh; Ayumi Kotani; Tomoaki Miura; Hiromi Nakagawa; Chifuyu Katsumata; Hiroshi Morimoto; Hideyuki Onishi
Perspective and review: how to develop our understanding of temporal changes in the relationship between people and the landscape under societal and climate change in Northeast Asia?
Frontiers in Environmental Science, 28 Feb. 2024
12, 1236664
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M. Saitoh; Narumasa Tsutsumida
Retrieval of cherry flowering phenology on Flickr and YouTube: a case study along the Tarumi railway, Gifu, Japan
Frontiers in Sustainable Tourism, 07 Feb. 2024
3
[Reviewed]
Lead, Corresponding - Nagai Shin; Yoshikazu Sasai; Ayumi Kotani; Taku M. Saitoh
Mining plant phenology records from Kanazawa, Japan in the 1807–1838 Kakuson Diary
International Journal of Biometeorology, Jan. 2024
[Reviewed]
Lead, Corresponding - H. Kobayashi; Y. Kim; T. Nakai; H. Ikawa; N. Shin; K. Noguchi; W. Yang; A. Hama; S. Matsumura; K. Ikeda; R. Suzuki
Ecosystem aboveground structures of an open-canopy black spruce forest in interior Alaska for ecosystem modeling
Polar Data Journal, Oct. 2023
7, 72, 88
[Reviewed] - Ayumi Kotani; Nagai Shin; Chifuyu Katsumata
Unravelling changes in people-ecosystem relationships under Mongolian pastoralism landscape with historical TV program images
Journal of Japan Society of Water Policy and Integrated River Basin Management, Oct. 2023
10, 2, 31, 40
[Reviewed] - Satoshi WATANABE; Kunio ARAYA; Nobuyuki UTSUMI; Haruki KARUBE; Tadashi KITANO; Masaomi KIMURA; Nahoko SHIMADA; Atsushi TOMINAGA; Yasuyuki NAKAMURA; Yuichiro FUJIOKA; NAGAI Shin
Potential and Prospects for Interdisciplinary Research on Water Cycle and Biodiversity in Ryukyu Islands Watersheds
Journal of Japan Society of Water Policy and Integrated River Basin Management, Oct. 2023
10, 2, 58, 71
[Reviewed] - Satoshi WATANABE; Kunio ARAYA; Yutaka ARIMOTO; Kaoru ICHIKAWA; Katsuto UEHARA; Nobuyuki UTSUMI; Shoichi OTA; Yuichi KANO; Masaomi KIMURA; Shinji SUZUKI; Kazunari TSUKADA; Yuichiro FUJIOKA; NAGAI Shin
Interdisciplinary issues in the Mekong River basin and studies towards their solution
Journal of Japan Society of Water Policy and Integrated River Basin Management, Oct. 2023
10, 2, 41, 57
[Reviewed] - Yasuyuki Maruya; Nagai Shin; Satoshi Watanabe; Yuichiro Fujioka
Integrity of river basin environment based on the biogeochemical cycle between the terrestrial and coastal area
Journal of Japan Society of Water Policy and Integrated River Basin Management, Oct. 2023
10, 2, 18, 30
[Reviewed] - NAGAI Shin; Taku M SAITOH; Yasuyuki MARUYA; Yuichiro FUJIOKA; Satoshi WATANABE
Relationship between people and water in a river basin based on the understanding of public materials: a case study in the Nagara River basin using records of floods and fish catches
Journal of Japan Society of Water Policy and Integrated River Basin Management, Oct. 2023
10, 2, 4, 17
[Reviewed]
Lead, Corresponding - Nogovitcyn, A.; Shakhmatov, R.; Morozumi, T.; Tei, S.; Miyamoto, Y.; Shin, N.; Maximov, T.C.; Sugimoto, A.
Historical variation in the normalized difference vegetation index compared with soil moisture in a taiga forest ecosystem in northeastern Siberia
Biogeosciences, Aug. 2023
20, 15, 3185, 3201
[Reviewed] - Nikolay V. Shabanov; Sergey A. Bartalev; Hideki Kobayashi; Nagai Shin; Tatyana S. Khovratovich; Vasily O. Zharko; Andrei A. Medvedev; Natalya O. Telnova
A Semiempirical Approach for Decomposition of Remotely Sensed Leaf Area Index Into Overstory and Understory Components Over Russian Forests
IEEE Transactions on Geoscience and Remote Sensing, Jun. 2023
61, 1, 17
[Reviewed] - Miura, T.; Tokumoto, Y.; Shin, N.; Shimizu, K.K.; Pungga, R.A.S.; Ichie, T.
Utility of commercial high-resolution satellite imagery for monitoring general flowering in Sarawak, Borneo
Ecological Research, May 2023
38, 3
[Reviewed] - Nagai Shin; Chifuyu Katsumata; Tomoaki Miura; Narumasa Tsutsumida; Tomoaki Ichie; Ayumi Kotani; Michiko Nakagawa; Kho Lip Khoon; Hideki Kobayashi; Tomo’omi Kumagai; Shunsuke Tei; Runi anak Sylvester Pungga; Taizo Yamada; Akihiro Kameda; Masayuki Yanagisawa; Kenlo Nishida Nasahara; Hiroyuki Muraoka; Kazuhito Ichii; Yuji Tokumoto
Perspective: Improving the accuracy of plant phenology observations and land-cover and land-use detection by optical satellite remote-sensing in the Asian tropics
Frontiers in Forests and Global Change, 22 Feb. 2023
6
[Reviewed]
Lead, Corresponding - Nagai Shin; Taku M. Saitoh; Yayoi Takeuchi; Tomoaki Miura; Masahiro Aiba; Hiroko Kurokawa; Yusuke Onoda; Kazuhito Ichii; Kenlo Nishida Nasahara; Rikie Suzuki; Tohru Nakashizuka; Hiroyuki Muraoka
Review: Monitoring of land cover changes and plant phenology by remote‐sensing in East Asia
Ecological Research, Jan. 2023
[Reviewed]
Lead, Corresponding - Nagai Shin; Ayumi Kotani; Yasuyuki Maruya
Record mining of cherry flowering phenology in Tokyo during the Meiji and Taisho eras from Atomi Kakei’s diary
Japanese Journal of Biometeorology, Nov. 2022
59, 3・4, 89, 99
[Reviewed]
Lead, Corresponding - NAGAI Shin, Yasuyuki MARUYA, Ayumi KOTANI, Shunsuke TEI, Yuka OISHI
An anadromous fish, salmon: Oncorhynchus keta bridged the biogeochemical cycle between marine and terrestrial ecosystems
流域圏学会誌, Sep. 2022
9, 1, 2, 17
[Reviewed]
Lead - Aleksandr Nogovitcyn; Ruslan Shakhmatov; Tomoki Morozumi; Shunsuke Tei; Yumiko Miyamoto; Nagai Shin; Trofim C. Maximov; Atsuko Sugimoto
Changes in Forest Conditions in a Siberian Larch Forest Induced by an Extreme Wet Event
forests, 20 Aug. 2022
13, 1331, 1331, 1331
[Reviewed] - Nagai Shin; Ayumi Kotani; Yasuyuki Maruya; Yuka Oishi
Data mining by watching old documentary TV programs to learn about the relationships between people’s lives and the landscape in Sakha in the perestroika era at the end of the 1980s
EarthArXiv, 16 Aug. 2022
Lead, Corresponding - Nagai Shin; Ayumi Kotani; Shunsuke Tei; Narumasa Tsutsumida
Monitoring of cherry flowering phenology with Google Trends
PLOS ONE, Jul. 2022
17, 7, e0271648, e0271648
[Reviewed]
Lead, Corresponding - Nagai Shin; Ayumi Kotani; Yasuyuki Maruya; Tuyara Gavrilyeva
Can Yandex statistics and google trends be used to detect people's interests in berries in the Russian Far East?
Polar Science, Jul. 2022
100871, 100871
[Reviewed]
Lead, Corresponding - Narumasa Tsutsumida; Nagai Shin; Tomoaki Miura
Evaluation of Land Surface Phenology for Autumn Leaf Color Change Based on Citizen Reports across Japan
Remote Sensing, Apr. 2022
14, 2017
[Reviewed] - 友常, 満利; 小島, 崇弘; 永井, 信; 小林, 祥子; 関川, 清広
Identifying Tree Species with Phenology on Aerial Images Taken by a Drone: Analysis of SATOYAMA Ecosystem Structure on Urban Areas
玉川大学農学部研究教育紀要, 31 Mar. 2022
6, 25, 35
[Reviewed] - Nagai Shin; Yasuyuki Maruya; Taku M. Saitoh; Narumasa Tsutsumida
Usefulness of Social Sensing Using Text Mining of Tweets for Detection of Autumn Phenology
FRONTIERS IN FORESTS AND GLOBAL CHANGE, Oct. 2021
4
[Reviewed]
Lead - 丸谷靖幸; 小林知朋; 永井信; 宮本昇平; 矢野真一郎
気象官署の降水量を用いた気候変動に伴う日本全国の長期的気候変化傾向の解明
Sep. 2021
[Reviewed] - Ayumi Kotani; Nagai Shin; Shunsuke Tei; Andrey Makarov; Tuyara Gavrilyeva
Seasonality in Human Interest in Berry Plants Detection by Google Trends
FRONTIERS IN FORESTS AND GLOBAL CHANGE, Sep. 2021
4
[Reviewed] - Shunsuke Tei; Ayumi Kotani; Atsuko Sugimoto; Nagai Shin
Geographical, Climatological, and Biological Characteristics of Tree Radial Growth Response to Autumn Climate Change
FRONTIERS IN FORESTS AND GLOBAL CHANGE, Aug. 2021
4
[Reviewed] - Nagai Shin; Taku M. Saitoh; Kenlo Nishida Nasahara
How did the characteristics of the growing season change during the past 100 years at a steep river basin in Japan?
PLOS ONE, Jul. 2021
16, 7
[Reviewed]
Lead - 永井, 信; 関川, 清広; 小林, 秀樹; 友常, 満利
Phenology of Oak Trees in Kanagawa: Comparison between Yokohama Institute of Japan Agency for Marine-Earth Science and Technology and Tamagawa University
玉川大学農学部研究教育紀要, 31 Mar. 2021
5, 15, 22
[Reviewed]
Lead, Corresponding - Yayoi Takeuchi; Hiroyuki Muraoka; Takehisa Yamakita; Yuichi Kano; Shin Nagai; Touch Bunthang; Mark John Costello; Dedy Darnaedi; Bibian Diway; Tonny Ganyai; Chaiwut Grudpan; Alice Hughes; Reiichiro Ishii; Po Teen Lim; Keping Ma; Aidy M. Muslim; Shin-ichi Nakano; Masahiro Nakaoka; Tohru Nakashizuka; Manabu Onuma; Chan-Ho Park; Runi Sylvester Pungga; Yusuke Saito; Mangal Man Shakya; Mohd Khairulazman Sulaiman; Maya Sumi; Phanara Thach; Yongyut Trisurat; Xuehong Xu; Hiroya Yamano; Tze Leong Yao; Eun-Shik Kim; Sheila Vergara; Tetsukazu Yahara
The Asia-Pacific Biodiversity Observation Network: 10-year achievements and new strategies to 2030
ECOLOGICAL RESEARCH, Mar. 2021
36, 2, 232, 257
[Reviewed] - 永井 信; 丸谷靖幸; 斎藤 琢
中山間地域の流域における人・森林・気象災害の現状と関わり: 高山市大八賀川流域における豪雨・豪雪を事例として [解説]
流域圏学会誌, 2021
8, 1, 10, 24
[Reviewed]
Lead - Shin Nagai; Taku M. Saitoh; Hiroshi Morimoto
Does global warming decrease the correlation between cherry blossom flowering date and latitude in Japan?
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, Dec. 2020
64, 12, 2205, 2210
[Reviewed]
Lead - Shin Nagai; Taku M. Saitoh; Tomoaki Miura
Peak autumn leaf colouring along latitudinal and elevational gradients in Japan evaluated with online phenological data
International Journal of Biometeorology, 19 Oct. 2020
64, 10, 1743, 1754
[Reviewed]
Lead, Corresponding - Guilherme Rezende Alles; Joao L. D. Comba; Jean-Marc Vincent; Shin Nagai; Lucas Mello Schnorr
Measuring phenology uncertainty with large scale image processing
ECOLOGICAL INFORMATICS, Sep. 2020
59
[Reviewed] - Shin Nagai; Ayumi Kotani; Tomoki Morozumi; Alexander Kononov; Roman E. Petrov; Ruslan Shakhmatov; Takeshi Ohta; Atsuko Sugimoto; Trofim C. Maximov; Rikie Suzuki; Shunsuke Tei
Detection of year-to-year spring and autumn bio-meteorological variations in siberian ecosystems
POLAR SCIENCE, Sep. 2020
25
[Reviewed]
Lead - Tadashi Nakano; Shin Nagai; Toshifumi Yamatogi; Takeo Kurihara; Kazumaro Okamura
Use of sea surface discoloration to monitor and discriminate the causative genera of harmful algal blooms (HABs): Practical use of digital repeat photography
ECOLOGICAL INFORMATICS, Sep. 2020
59
[Reviewed] - Nagai Shin; Ayumi Kotani; Tomonori Sato; Atsuko Sugimoto; Trofim C. Maximov; Aleksandr Nogovitcyn; Yumiko Miyamoto; Hideki Kobayashi; Shunsuke Tei
Direct measurement of leaf area index in a deciduous needle-leaf forest, eastern Siberia
POLAR SCIENCE, Sep. 2020
25
[Reviewed]
Lead - Nagai Shin; Hideaki Shibata; Takeshi Osawa; Takehisa Yamakita; Masahiro Nakamura; Tanaka Kenta
Toward more data publication of long-term ecological observations
ECOLOGICAL RESEARCH, Sep. 2020
35, 5, 700, 707
[Reviewed]
Lead - Yongwon Kim; Hideki Kobayashi; Shin Nagai; Masahito Ueyama; Bang-Yong Lee; Rikie Suzuki
Boreal Forest and Forest Fires
Arctic Hydrology, Permafrost and Ecosystems, 29 Aug. 2020
615, 655 - Tomoaki Miura; Shin Nagai
Landslide Detection with Himawari-8 Geostationary Satellite Data: A Case Study of a Torrential Rain Event in Kyushu, Japan
REMOTE SENSING, Jun. 2020
12, 11
[Reviewed] - Shin Nagai; Hiroshi Morimoto; Taku M. Saitoh
A simpler way to predict flowering and full bloom dates of cherry blossoms by self-organizing maps
ECOLOGICAL INFORMATICS, Mar. 2020
56
[Reviewed]
Lead - Tomoki Morozumi; Atsuko Sugimoto; Rikie Suzuki; Shin Nagai; Hideki Kobayashi; Shunsuke Tei; Shinya Takano; Ruslan Shakhmatov; Trofim Maximov
Photographic records of plant phenology and spring river flush timing in a river lowland ecosystem at the taiga–tundra boundary, northeastern Siberia
Ecological Research, Mar. 2020
35, 2020, 1, 7
[Reviewed] - Nagai, S.; Nasahara, K.N.; Akitsu, T.K.; Saitoh, T.M.; Muraoka, H.
Importance of the collection of abundant ground-truth data for accurate detection of spatial and temporal variability of vegetation by satellite remote sensing
Biogeochemical Cycles: Ecological Drivers and Environmental Impact, 10 Feb. 2020
223, 244 - Tomoaki Miura; Shin Nagai; Mika Takeuchi; Kazuhito Ichii; Hiroki Yoshioka
Improved Characterisation of Vegetation and Land Surface Seasonal Dynamics in Central Japan with Himawari-8 Hypertemporal Data
SCIENTIFIC REPORTS, Oct. 2019
9
[Reviewed] - Shunsuke Tei; Shin Nagai; Atsuko Sugimoto
Effects of climate dataset type on tree-ring analysis: A case study for Siberian forests
POLAR SCIENCE, Sep. 2019
21, 136, 145
[Reviewed] - Shin Nagai; Taku M. Saitoh; Shinpei Yoshitake
Cultural ecosystem services provided by flowering of cherry trees under climate change: a case study of the relationship between the periods of flowering and festivals
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, Aug. 2019
63, 8, 1051, 1058
[Reviewed]
Lead, Corresponding - Dong Yan; Xiaoyang Zhang; Shin Nagai; Yunyue Yu; Tomoko Akitsu; Kenlo Nishida Nasahara; Reiko Ide; Takahisa Maeda
Evaluating land surface phenology from the Advanced Himawari Imager using observations from MODIS and the Phenological Eyes Network
INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION, Jul. 2019
79, 71, 83
[Reviewed] - Narumasa Tsutsumida; Shin Nagai; Rodríguez-Veiga P; Katagi J; Kenlo Nasahara; Tadono T
Mapping spatial accuracy of the forest type classification in JAXA’s high-resolution land use and land cover map
ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
IV-3/W1, 57, 63
[Reviewed] - Hiroyuki Muraoka; Yasuyuki Maruya; Shin Nagai
Long-term and Multidisciplinary Research on Carbon Cycling and Forest Ecosystem Functions in a Mountainous Landscape: Development and Perspectives
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI, 2019
128, 1, 129, 146
[Reviewed] - Tomoaki Miura; Shin Nagai; Kazuhito Ichii; Hiroki Yoshioka
MONITORING VEGETATION DYNAMICS IN JAPAN USING HIMAWARI GEOSTATIONARY SATELLITE
2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019), 2019
2019, IGARSS, 9277, 9279 - Shunsuke Tei; Tomoki Morozumi; Shin Nagai; Shinya Takano; Atsuko Sugimoto; Ryo Shingubara; Rong Fan; Alexander Fedorov; Tuyara Gavrilyeva; Nikita Tananaev; Trofim C. Maximov
An extreme flood caused by a heavy snowfall over the Indigirka River basin in Northeastern Siberia
Hydrological Processes, 2019
34, 3, 522, 537
[Reviewed] - Tomoki Morozumi; Ryo Shingubara; Jun Murase; Shin Nagai; Hideki Kobayashi; Shinya Takano; Shunsuke Tei; Rong Fan; Trofim C. Maximov; Atsuko Sugimoto
Usability of water surface reflectance for the determination of riverine dissolved methane during extreme flooding in northeastern Siberia
Polar Science, 2019
21, 186, 194
[Reviewed] - Shin Nagai; Kyoko Ikeda; Hideki Kobayashi
Simple method to detect year-to-year variability of blooming phenology of Cerasus x yedoensis by digital camera
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, Dec. 2018
62, 12, 2183, 2188
[Reviewed]
Lead - Nagai, S; Akitsu, T; Saitoh, T.M; Busey, R. C; Fukuzawa, K; Honda, Y; Ichie, T; Ide, R; Ikawa, H; Iwasaki, A; Iwao, K; Kajiwara, K; Kang, S; Kim, Y; Khoon, KL; Kononov, A. V; Kosugi, Y; Maeda, T; Mamiya, W; Matsuoka, M; Maximov; T. C; Menzel, A; Miura, T; Mizunuma, T; Morozumi, T; Motohka, T; Muraoka, H; Nagano, H; Nakai, T; Nakaji, T; Oguma, H; Ohta, T; Ono, K; Pungga, R A S; Petrov, R. E; Sakai, R; Schunk, C; Sekikawa, S; Shakhmatov, R; Son, Y; Sugimoto, A; Suzuki, R; Takagi, K; Takanashi, S; Tei, S; Tsuchida, S; Yamamoto, H; Yamasaki, E; Yamashita, M; Yoon, TK; Yoshida, T; Yoshimura, M; Yoshitake, S; Wilkinson, M; Wingate, L; Nasahara, K. N
8 million phenological and sky images from 29 ecosystems from the Arctic to the tropics: the Phenological Eyes Network
Ecological Research, Sep. 2018
33, 6, 1091, 1092
[Reviewed] - Shin Nagai; Taku M. Saitoh; Koji Kajiwara; Shinpei Yoshitake; Yoshiaki Honda
Investigation of the potential of drone observations for detection of forest disturbance caused by heavy snow damage in a Japanese cedar (Cryptomeria japonica) forest
JOURNAL OF AGRICULTURAL METEOROLOGY, Jul. 2018
74, 3, 123, 127
[Reviewed]
Lead - Hideki Kobayashi; Shin Nagai; Yongwon Kim; Wei Yang; Kyoko Ikeda; Hiroki Ikawa; Hirohiko Nagano; Rikie Suzuki
In Situ Observations Reveal How Spectral Reflectance Responds to Growing Season Phenology of an Open Evergreen Forest in Alaska
REMOTE SENSING, Jul. 2018
10, 7
[Reviewed] - Hideki Kobayashi; Rikie Suzuki; Wei Yang; Hiroki Ikawa; Tomoharu Inoue; Hirohiko Nagano; Yongwon Kim
Spectral reflectance and associated photograph of boreal forest understory formation in interior Alaska
Polar Data Journal, 2018
2, 14, 29
[Reviewed] - Shin Nagai; Kenlo Nishida Nasahara; Shinpei Yoshitake; Taku M. Saitoh
Seasonality of leaf litter and leaf area index data for various tree species in a cool-temperate deciduous broad-leaved forest, Japan, 2005-2014
ECOLOGICAL RESEARCH, May 2017
32, 3, 297, 297
[Reviewed]
Lead - Shin Nagai; Kenlo Nishida Nasahara
Seasonal leaf phenology data for 12 tree species in a cool-temperate deciduous broadleaved forest in Japan from 2005 to 2014
ECOLOGICAL RESEARCH, Mar. 2017
32, 2, 107, 107
[Reviewed]
Lead - Anderson, H.B.; Nilsen, L.; T?mmervik, H.; Karlsen, S.R.; Nagai, S.; Cooper, E.J.
Erratum: Using ordinary digital cameras in place of near-infrared sensors to derive vegetation indices for phenology studies of high arctic vegetation [Remote Sens., 8, (847) (2016)] DOI: 10.3390/rs8100847
Remote Sensing, 2017
9, 10 - Okuzaki Yutaka; Mochida Koji; Nagai Shin; Nakaji Tatsuro; Oguma Hiroyuki
Spectrometry for ecologists
JAPANESE JOURNAL OF ECOLOGY, 2017
67, 1, 41, 56
[Reviewed] - Helen B. Anderson; Lennart Nilsen; Hans Tommervik; Stein Rune Karlsen; Shin Nagai; Elisabeth J. Cooper
Using Ordinary Digital Cameras in Place of Near-Infrared Sensors to Derive Vegetation Indices for Phenology Studies of High Arctic Vegetation
REMOTE SENSING, Oct. 2016
8, 10
[Reviewed] - Hideki Kobayashi; Ali P. Yunus; Shin Nagai; Konosuke Sugiura; Yongwon Kim; Brie Van Dam; Hirohiko Nagano; Donatella Zona; Yoshinobu Harazono; M. Syndonia Bret-Harte; Kazuhito Ichii; Hiroki Ikawa; Hiroki Iwata; Walter C. Oechel; Masahito Ueyama; Rikie Suzuki
Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data
REMOTE SENSING OF ENVIRONMENT, May 2016
177, 160, 170
[Reviewed] - Shin Nagai; Kenlo Nishida Nasahara; Tomoharu Inoue; Taku M. Saitoh; Rikie Suzuki
Review: advances in in situ and satellite phenological observations in Japan
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, Apr. 2016
60, 4, 615, 627
[Reviewed]
Lead - Tim B. Brown; Kevin R. Hultine; Heidi Steltzer; Ellen G. Denny; Michael W. Denslow; Joel Granados; Sandra Henderson; David Moore; Shin Nagai; Michael SanClements; Arturo Sanchez-Azofeifa; Oliver Sonnentag; David Tazik; Andrew D. Richardson
Using phenocams to monitor our changing Earth: toward a global phenocam network
FRONTIERS IN ECOLOGY AND THE ENVIRONMENT, Mar. 2016
14, 2, 84, 93
[Reviewed] - Shin Nagai; Tomoaki Ichie; Aogu Yoneyama; Hideki Kobayashi; Tomoharu Inoue; Reiichiro Ishii; Rikie Suzuki; Takao Itioka
Usability of time-lapse digital camera images to detect characteristics of tree phenology in a tropical rainforest
ECOLOGICAL INFORMATICS, Mar. 2016
32, 91, 106
[Reviewed] - Hiroki Ikawa; Taro Nakai; Robert C. Busey; Yongwon Kim; Hideki Kobayashi; Shin Nagai; Masahito Ueyama; Kazuyuki Saito; Hirohiko Nagano; Rikie Suzuki; Larry Hinzman
Understory CO2, sensible heat, and latent heat fluxes in a black spruce forest in interior Alaska
AGRICULTURAL AND FOREST METEOROLOGY, Dec. 2015
214, 80, 90
[Reviewed] - Shin Nagai; Tomoharu Inoue; Toshiyuki Ohtsuka; Shinpei Yoshitake; Kenlo Nishida Nasahara; Taku M. Saitoh
Uncertainties involved in leaf fall phenology detected by digital camera
ECOLOGICAL INFORMATICS, Nov. 2015
30, 124, 132
[Reviewed]
Lead - Hiroyuki Muraoka; Taku M. Saitoh; Shin Nagai
Long-term and interdisciplinary research on forest ecosystem functions: challenges at Takayama site since 1993
ECOLOGICAL RESEARCH, Mar. 2015
30, 2, 197, 200 - Kenlo Nishida Nasahara; Shin Nagai
Review: Development of an in situ observation network for terrestrial ecological remote sensing: the Phenological Eyes Network (PEN)
ECOLOGICAL RESEARCH, Mar. 2015
30, 2, 211, 223
[Reviewed] - Taku M. Saitoh; Shin Nagai; Jun Yoshino; Hiroaki Kondo; Ichiro Tamagawa; Hiroyuki Muraoka
Effects of canopy phenology on deciduous overstory and evergreen understory carbon budgets in a cool-temperate forest ecosystem under ongoing climate change
ECOLOGICAL RESEARCH, Mar. 2015
30, 2, 267, 277
[Reviewed] - Nagai Shin; Inoue Tomoharu; Suzuki Rikie
Leaf-coloring information published on web sites and its utility in the ground-truthing of satellite remote-sensing data for mapping autumn leaf phenology
JAPANESE JOURNAL OF BIOMETEOROLOGY, 2015
52, 2, 119, 129
[Reviewed]
Lead - Inoue Tomoharu; Nagai Shin
Influence of temperature change on plant tourism in Japan: a case study of the flowering of Lycoris radiata (red spider lily)
JAPANESE JOURNAL OF BIOMETEOROLOGY, 2015
52, 4, 175, 184
[Reviewed] - Tomoharu Inoue; Shin Nagai; Hideki Kobayashi; Hiroshi Koizumi
Utilization of ground-based digital photography for the evaluation of seasonal changes in the aboveground green biomass and foliage phenology in a grassland ecosystem
ECOLOGICAL INFORMATICS, Jan. 2015
25, 1, 9
[Reviewed] - Shin Nagai; Taku M. Saitoh; Kenlo Nishida Nasahara; Rikie Suzuki
Spatio-temporal distribution of the timing of start and end of growing season along vertical and horizontal gradients in Japan
INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, Jan. 2015
59, 1, 47, 54
[Reviewed]
Lead - Shin Nagai; Reiichiro Ishii; Affendi Bin Suhaili; Hideki Kobayashi; Masayuki Matsuoka; Tomoaki Ichie; Takeshi Motohka; Joseph Jawa Kendawang; Rikie Suzuki
Usability of noise-free daily satellite-observed green-red vegetation index values for monitoring ecosystem changes in Borneo
INTERNATIONAL JOURNAL OF REMOTE SENSING, Dec. 2014
35, 23, 7910, 7926
[Reviewed]
Lead - Tomoharu Inoue; Shin Nagai; Satoshi Yamashita; Hadi Fadaei; Reiichiro Ishii; Kimiko Okabe; Hisatomo Taki; Yoshiaki Honda; Koji Kajiwara; Rikie Suzuki
Unmanned Aerial Survey of Fallen Trees in a Deciduous Broadleaved Forest in Eastern Japan
PLOS ONE, Oct. 2014
9, 10 - Shin Nagai; Shinpei Yoshitake; Tomoharu Inoue; Rikie Suzuki; Hiroyuki Muraoka; Kenlo Nishida Nasahara; Taku M. Saitoh
Year-to-year blooming phenology observation using time-lapse digital camera images
JOURNAL OF AGRICULTURAL METEOROLOGY, Sep. 2014
70, 3, 163, 170
[Reviewed]
Lead - Tomoharu Inoue; Shin Nagai; Taku M. Saitoh; Hiroyuki Muraoka; Menlo N. Nasahara; Hiroshi Koizumi
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
ECOLOGICAL INFORMATICS, Jul. 2014
22, 58, 68
[Reviewed] - Shin Nagai; Tomoharu Inoue; Toshiyuki Ohtsuka; Hideki Kobayashi; Kenji Kurumado; Hiroyuki Muraoka; Kenlo Nishida Nasahara
Relationship between spatio-temporal characteristics of leaf-fall phenology and seasonal variations in near surface- and satellite-observed vegetation indices in a cool-temperate deciduous broad-leaved forest in Japan
INTERNATIONAL JOURNAL OF REMOTE SENSING, May 2014
35, 10, 3520, 3536
[Reviewed]
Lead - Hideki Kobayashi; Rikie Suzuki; Shin Nagai; Taro Nakai; Yongwon Kim
Spatial Scale and Landscape Heterogeneity Effects on FAPAR in an Open-Canopy Black Spruce Forest in Interior Alaska
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, Feb. 2014
11, 2, 564, 568 - Nagai, S.; Saitoh, T.; Suzuki, R.; Nasahara, K.; Lee, W.K.; Son, Y.; Muraoka, H.
Erratum to The necessity and availability of noise-free daily satellite-observed NDVI during rapid phenological changes in terrestrial ecosystems in East Asia Forest Science and Technology ((2012), 7, 4 (174-183))
Forest Science and Technology, 2014
10, 2, 112, 112 - Munemitsu Akasaka; Akio Takenaka; Fumiko Ishihama; Taku Kadoya; Mifuyu Ogawa; Takeshi Osawa; Takehisa Yamakita; Shuichiro Tagane; Reiichiro Ishii; Shin Nagai; Hisatomo Taki; Takumi Akasaka; Hiroyuki Oguma; Toru Suzuki; Hiroya Yamano
Development of a National Land-Use/Cover Dataset to Estimate Biodiversity and Ecosystem Services
Integrative Observations and Assessments, 2014
209, 229 - Saitoh Taku M.; Nagai Shin; Muraoka Hiroyuki
Current and future prediction in forest ecosystem carbon dynamics : utilization of remote sensing(Remote sensing of vegetation)
JAPANESE JOURNAL OF ECOLOGY, 2014
64, 3, 243, 252
[Reviewed] - Nagai Shin; Saitoh Taku M; Noh Nam Jin; Yoon Tae Kyung; Kobayashi Hideki; Suzuki Rikie; Nasahara Kenlo Nishida; Son Yowhan; Muraoka Hiroyuki
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
ECOLOGICAL INFORMATICS, Nov. 2013
18, 10, 19
[Reviewed] - Hiroyuki Muraoka; Hibiki M. Noda; Shin Nagai; Takeshi Motohka; Taku M. Saitoh; Kenlo N. Nasahara; Nobuko Saigusa
Spectral vegetation indices as the indicator of canopy photosynthetic productivity in a deciduous broadleaf forest
JOURNAL OF PLANT ECOLOGY, Oct. 2013
6, 5, 393, 407
[Reviewed] - Taro Nakai; Yongwon Kim; Robert C. Busey; Rikie Suzuki; Shin Nagai; Hideki Kobayashi; Hotaek Park; Konosuke Sugiura; Akihiko Ito
Characteristics of evapotranspiration from a permafrost black spruce forest in interior Alaska
POLAR SCIENCE, Jun. 2013
7, 2, 136, 148
[Reviewed] - Shin Nagai; Taro Nakai; Taku M. Saitoh; Robert C. Busey; Hideki Kobayashi; Rikie Suzuki; Hiroyuki Muraoka; Yongwon Kim
Seasonal changes in camera-based indices from an open canopy black spruce forest in Alaska, and comparison with indices from a closed canopy evergreen coniferous forest in Japan
POLAR SCIENCE, Jun. 2013
7, 2, 125, 135
[Reviewed]
Lead - Konosuke Sugiura; Shin Nagai; Taro Nakai; Rikie Suzuki
Application of time-lapse digital imagery for ground-truth verification of satellite indices in the boreal forests of Alaska
POLAR SCIENCE, Jun. 2013
7, 2, 149, 161
[Reviewed] - Supannika Potithep; Shin Nagai; Kenlo Nishida Nasahara; Hiroyuki Muraoka; Rikie Suzuki
Two separate periods of the LAI-VIs relationships using in situ measurements in a deciduous broadleaf forest
AGRICULTURAL AND FOREST METEOROLOGY, Feb. 2013
169, 148, 155
[Reviewed] - Shin Nagai; Taku M. Saitoh; Kenji Kurumado; Ichiro Tamagawa; Hideki Kobayashi; Tomoharu Inoue; Rikie Suzuki; Minoru Gamo; Hiroyuki Muraoka; Kenlo Nishida Nasahara
Detection of Bio-Meteorological Year-to-Year Variation by Using Digital Canopy Surface Images of a Deciduous Broad-Leaved Forest
SOLA, 2013
9, 106, 110
[Reviewed]
Lead - 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
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 SENSING, Dec. 2012
4, 12, 3689, 3720
[Reviewed] - Taku M. Saitoh; Shin Nagai; Nobuko Saigusa; Hideki Kobayashi; Rikie Suzuki; Kenlo Nishida Nasahara; Hiroyuki Muraoka
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
ECOLOGICAL INFORMATICS, Sep. 2012
11, 45, 54
[Reviewed] - Hiroyuki Muraoka; Reiichiro Ishii; Shin Nagai; Rikie Suzuki; Takeshi Motohka; Hibiki M. Noda; Mitsuru Hirota; Kenlo N. Nasahara; Hiroyuki Oguma; Kanako Muramatsu
Linking Remote Sensing and In Situ Ecosystem/Biodiversity Observations by “Satellite Ecology”
The Biodiversity Observation Network in the Asia-Pacific Region, 2012
277, 308 - Taku M Saitoh; Shin Nagai; Jun Yoshino; Hiroyuki Muraoka; Nobuko Saigusa; Ichiro Tamagawa
Functional consequences of differences in canopy phenology for the carbon budgets of two cool-temperate forest types: simulations using the NCAR/LSM model and validation using tower flux and biometric data
Eurasian Journal of Forest Research, 2012
15, 1, 19, 30
[Reviewed] - Taku M. Saitoh; Shin Nagai; Hibiki M. Noda; Hiroyuki Muraoka; Kenlo Nishida Nasahara
Examination of the extinction coefficient in the Beer-Lambert law for an accurate estimation of the forest canopy leaf area index
FOREST SCIENCE AND TECHNOLOGY, 2012
8, 2, 67, 76
[Reviewed] - Tomoharu Inoue; Shin Nagai; Shota Inoue; Masahiro Ozaki; Shohei Sakai; Hiroyuki Muraoka; Hiroshi Koizumi
Seasonal variability of soil respiration in multiple ecosystems under the same physical-geographical environmental conditions in central Japan
FOREST SCIENCE AND TECHNOLOGY, 2012
8, 2, 52, 60
[Reviewed] - Shin Nagai; Taku M. Saitoh; Hideki Kobayashi; Mitsunori Ishihara; Rikie Suzuki; Takeshi Motohka; Kenlo Nishida Nasahara; Hiroyuki Muraoka
In situ examination of the relationship between various vegetation indices and canopy phenology in an evergreen coniferous forest, Japan
INTERNATIONAL JOURNAL OF REMOTE SENSING, 2012
33, 19, 6202, 6214
[Reviewed]
Lead - Takeshi Motohka; Kenlo Nishida Nasahara; Kazutaka Murakami; Shin Nagai
Evaluation of Sub-Pixel Cloud Noises on MODIS Daily Spectral Indices Based on in situ Measurements
REMOTE SENSING, Aug. 2011
3, 8, 1644, 1662
[Reviewed] - Konosuke Sugiura; Rikie Suzuki; Taro Nakai; Bob Busey; Larry Hinzman; Hotaek Park; Yongwon Kim; Shin Nagai; Kazuyuki Saito; Jessica Cherry; Akihiko Ito; Tetsuo Ohata; John Walsh
Supersite as a common platform for multi-observations in Alaska for a collaborative framework between JAMSTEC and IARC
JAMSTEC Report of Research and Development, 2011
12, 61, 69
[Reviewed] - 秋津朋子; 奈佐原顕郎; 野田響; 本岡毅; 村上和隆; 土田聡; 永井信
Long-term Observation of Seasonal and Yearly Variation of Grassland by an Automatic Digital Camera
筑波大学陸域環境研究センター報告, 2011
12, 12, 5, 12
[Reviewed] - 村上和隆; 奈佐原顕郎; 秋津朋子; 本岡毅; 永井信
Changes of Vegetation Indices due to Spectral Specifications of Satellite Sensors in a Grassland
筑波大学陸域環境研究センター報告, 2011
12, 12, 13, 19
[Reviewed] - Atsushi Kume; Kenlo N. Nasahara; Shin Nagai; Hiroyuki Muraoka
The ratio of transmitted near-infrared radiation to photosynthetically active radiation (PAR) increases in proportion to the adsorbed PAR in the canopy
JOURNAL OF PLANT RESEARCH, Jan. 2011
124, 1, 99, 106
[Reviewed] - Shin Nagai; Taku M. Saitoh; Rikie Suzuki; Kenlo Nishida Nasahara; Woo-Kyun Lee; Yowhan Son; Hiroyuki Muraoka
The necessity and availability of noise-free daily satellite-observed NDVI during rapid phenological changes in terrestrial ecosystems in East Asia
FOREST SCIENCE AND TECHNOLOGY, 2011
7, 4, 174, 183
[Reviewed]
Lead - Shin Nagai; Takahisa Maeda; Minoru Gamo; Hiroyuki Muraoka; Rikie Suzuki; Kenlo Nishida Nasahara
Using digital camera images to detect canopy condition of deciduous broad-leaved trees
PLANT ECOLOGY & DIVERSITY, 2011
4, 1, 79, 89
[Reviewed]
Lead - Hiroyuki Muraoka; Nobuko Saigusa; Kenlo N. Nasahara; Hibiki Noda; Jun Yoshino; Taku M. Saitoh; Shin Nagai; Shohei Murayama; Hiroshi Koizumi
Effects of seasonal and interannual variations in leaf photosynthesis and canopy leaf area index on gross primary production of a cool-temperate deciduous broadleaf forest in Takayama, Japan
JOURNAL OF PLANT RESEARCH, Jul. 2010
123, 4, 563, 576
[Reviewed] - Shin Nagai; Nobuko Saigusa; Hiroyuki Muraoka; Kenlo Nishida Nasahara
What makes the satellite-based EVI-GPP relationship unclear in a deciduous broad-leaved forest?
ECOLOGICAL RESEARCH, Mar. 2010
25, 2, 359, 365
[Reviewed]
Lead - Shin Nagai; Kenlo Nishida Nasahara; Hiroyuki Muraoka; Tsuyoshi Akiyama; Satoshi Tsuchida
Field experiments to test the use of the normalized-difference vegetation index for phenology detection
AGRICULTURAL AND FOREST METEOROLOGY, Feb. 2010
150, 2, 152, 160
[Reviewed]
Lead - R. Suzuki; R. Ishii; H. Kobayashi; A. Higuchi; S. Nagai
Forest vegetation analyses by GCOM-C/SGLI accompanied with field data
International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 2010
38, 875, 877 - NAGAI Shin; NISHIDA NASAHARA Kenlo; ISHIHARA Mitsunori; MURAOKA Hiroyuki
Ecophysiological consideration on the satellite-based vegetation index
Journal of the Japanese Agricultural Systems Society, 10 Jul. 2008
24, 3, 183, 190
[Reviewed]
Lead - Kenlo Nishida Nasahara; Hiroyuki Muraoka; Shin Nagai; Hiroaki Mikami
Vertical integration of leaf area index in a Japanese deciduous broad-leaved forest
AGRICULTURAL AND FOREST METEOROLOGY, Jun. 2008
148, 6-7, 1136, 1146
[Reviewed] - TAMAGAWA Ichiro; YOSHINO Jun; KANO Toshio; YASUDA Takashi; MURAOKA Hiroyuki; KOJIMA Toshiharu; ISHIHARA Mitsunori; NAGAI Shin; SAITOH Taku M.; LEE Mison; MAKI Masayasu; AKIYAMA Tsuyoshi; KOIZUMI Hiroshi
Numerical model for connecting ecological process study and satellite remote sensing
Journal of the Japanese Agricultural Systems Society, 10 Apr. 2008
24, 2, 129, 136
[Reviewed] - 吉野 純; 村岡 裕由; 永井 信
AN EVALUATION METHOD OF THE BASIN-SCALE ECOSYSTEM FUNCTION FOR FOREST ENVIRONMENT CONSERVATION
環境システム研究論文発表会講演集 = Proceedings of Annual Meeting of Environmental Systems Research, 2008
36, 277, 286 - NAGAI Shin; ISHIHARA Mitsunori; KOJIMA Toshiharu
Visualization of Vegetation Phenology with Modis Images in the Daihachigagawa River Basin
Transactions of Visualization Society of Japan, 15 Sep. 2007
27, 2, 17, 18 - Shin Nagai
Estimate of response of vegetation activity to climate change using satellite-observed vegetation index data
Nagoya University of Theses (PhD Theses), Mar. 2007
Lead, Corresponding - Nagai, S.; Ichii, K.; Morimoto, H.
Interannual variations in vegetation activities and climate variability caused by ENSO in tropical rainforests
International Journal of Remote Sensing, 2007
28, 6, 1285, 1297
[Reviewed]
Lead - Shin Nagai; Kazuhito Ichii; Hiroshi Morimoto
Relationship between interannual variations in satellite-based vegetation index and ENSO phase over tropical forests.
Journal of Agricultural Meteorology, 2005
60, 6, 1211, 1214
[Reviewed]
Lead
Misc.
- Nagai Shin; Yumiko Yoshino; Takumi Endo
Which species blooms at the same time as Yoshino cherry?
Miscellaneous Reports of the Institute for Nature Study, Jun. 2025
57, 37, 41
Lead, Corresponding - Nagai Shin; Takumi Endo
A possibility of;species discrimination of;evergreen Fagaceae trees by satellite observations
Miscellaneous Reports of the Institute for Nature Study, Jun. 2024
56, 57, 62
Lead, Corresponding - 永井 信
衛星観測とソーシャルセンシング による東シベリアの人々の生業の空間分布特徴の検出
NEWS LETTER 出ゆーらしあ (Online edition ISSN 2435-6271): http://out-of-eurasia.jp/images/newsletter3.pdf, Nov. 2023
3, 12, 16
Lead, Corresponding - 荒谷邦雄; 渡部 哲史; 藤岡悠一郎; 松本朋哉; 永井信
水共生学の創生:持続可能な水循環システムの実現に向けた学際研究
流域圏学会誌, Oct. 2023
10, 2, 1, 3 - Shinohara Midori; Nasahara Kenlo Nishida; Nagai Shin
Feasibility of using flowering season in discrimination of evergreen broadleaf tree species using satellite images
The Japanese Forest Society Congress, 30 May 2022
133, 466 - MIURA Tomoaki; MIURA Tomoaki; NAGAI Shin; ICHII Kazuhito
Comparison of Himawari-8 NDVI with MODIS for Tropical Vegetation Phenology Analysis Over Malaysian Borneo
CEReS環境リモートセンシングシンポジウム資料集, 2022
24th - 徳本雄史; 徳本雄史; 徳本雄史; 永井信; 久米朋宣; 清水健太郎; 清水健太郎
Multi-species transcriptomic analysis for the community-wide phenology in Southeast Asia
日本生態学会大会講演要旨(Web), 2022
69th - 友常満利; 小島崇弘; 永井信; 小林祥子; 関川清広
Distinction of individual tree species with phenology on aerial images taken by an unmanned aerial vehicle in SATOYAMA ecosystem.
日本生態学会大会講演要旨(Web), 2022
69th - 関川清広; 友常満利; 永井信
Comparative Analysis of Leaf Canopy Phenology Using Digital RGB Images
日本生態学会大会講演要旨(Web), 2022
69th - 永井 信; 遠藤 拓洋; 下田 彰子
Observations of Japanese oak wilt in the Institute for Nature Study by SENTINEL-2A/B satellites
自然教育園報告 = Miscellaneous reports of the Institute for Nature Study, Jun. 2021
53, 35, 38
Lead - 永井 信; 遠藤 拓洋; 奈佐原 顕郎
Phenology observations in Institute for Nature Study by fine spatio-temporal resolution satellite : SENTINEL-2A/B
自然教育園報告 = Miscellaneous reports of the Institute for Nature Study, Jun. 2020
52, 19, 24
Lead - MIURA Tomoaki; NAGAI Shin
Analysis of the spatial variations in the phenology of deciduous broadleaf forests in Japan with Himawari-8 NDVI hyper-temporal signatures
日本地球惑星科学連合大会予稿集(Web), 2020
2020 - 市井和仁; 山本雄平; 林航大; 吉岡博貴; 小畑建太; 松岡真如; 山本浩万; 永井信; MIURA Tomoaki
ひまわり8号を用いた陸面モニタリングの試み
日本気象学会大会講演予稿集(CD-ROM), 2020
118 - NAGAI Shin; MIYAKAWA Takuma; UCHIDA Tetsuo; YOSHII Taro; FUKUZUMI Naoki; MATSUKUMA Yusuke
Plant Phenology Observation by Using an Unmanned Operation of Drone System: "SENSYN DRONE HUB"
Journal of The Remote Sensing Society of Japan, 2020
40, 5, 281, 285
Lead - MIURA Tomoaki; NAGAI Shin
Monitoring Terrestrial Vegetation and the Environment with New-Generation Geostationary Satellites
日本リモートセンシング学会誌, 2019
39, 5 - MIURA Tomoaki; MIURA Tomoaki; NAGAI Shin; ICHII Kazuhito; YOSHIOKA Hiroki
Observing vegetation seasonal dynamics in Japan with Himawari-8 hypertemporal data
日本地球惑星科学連合大会予稿集(Web), 2019
2019 - Nagai, S; S. Tei; A. Kotani; T. Maximov
Forest inventory at larch forest in Spasskya Pad station, eastern Siberia
1.00, Arctic Data archive System (ADS), Japan, 2018
A20181105-001, https://ads.nipr.ac.jp/dataset/A20181105-001
Lead - 小林秀樹; 小林秀樹; 永井信; 永井信; Kim Yongwon; Yang Wei; 池田教子; 伊川浩樹; 永野博彦; 斉藤和之; 斉藤和之; 鈴木力英
In situ spectral reflectance observations for the understanding of growing season phenology of a black spruce forest in the permafrost region in Alaska
雪氷研究大会講演要旨集(Web), 2018
2018 - 両角友喜; 杉本敦子; 鷹野真也; 鄭峻介; 新宮原諒; Fan Rong; Shakhmatov Ruslan; 小林秀樹; 永井信; Maximov Trofim C.; Maximov Trofim C.
Vegetation consist on microtopography on permafrost in taiga-tundra boundary, eastern Siberia - possible effect after extreme flood in 2017 summer -
雪氷研究大会講演要旨集(Web), 2018
2018 - NAGAI Shin; SAITOH Taku M; NISHIDA NASAHARA Kenlo
Development of Phenology Observations and Land Uses and Land Cover Classification by Integrating Analysis of Remote Sensing and Open-access Data
Journal of The Remote Sensing Society of Japan, 2018
38, 2, 99, 104
Lead - 山崎絵理; BRISKINE Roman; 久米朋宜; 永井信; DIWAY Bibian; 清水健太郎
Macaranga bancana(トウダイグサ科)における不規則な開花とその要因
日本生態学会大会講演要旨(Web), 2017
64th - 斎藤琢; OTIENO Dennis; 梅林利弘; 野田響; JUNG Eunyoung; 村岡裕由; TENHUNEN John; 永井信
葉群フェノロジーの樹種特性が樹液流速度の季節変化に及ぼす影響
日本生態学会大会講演要旨(Web), 2016
63rd - 井手玲子; 小熊宏之; 中路達郎; 奈佐原顕郎; 市井和仁; 永井信; 石田昭人; 中村和彦; 藤原章雄; 渡辺隆一
デジタルカメラの定点撮影画像による日本各地の植生フェノロジーの把握
日本地球惑星科学連合大会予稿集(Web), 2015
2015 - 井上智晴; 永井信; 山下聡; FADAEI Hadi; 石井励一郎; 岡部貴美子; 滝久智; 本多嘉明; 梶原康司; 鈴木力英
UAVによる空撮画像を用いた落葉広葉樹林内の倒木の検出
日本生態学会大会講演要旨(Web), 2015
62nd - 井上智晴; 永井信; 斎藤琢; 村岡裕由; 奈佐原顕郎; 小泉博
落葉広葉樹林における葉群フェノロジーの年々変化-デジタルカメラ観測による樹種ごとの検出-
日本生態学会大会講演要旨(Web), 2014
61st - 杉浦幸之助; 杉浦幸之助; 永井信
地上インターバルカメラと衛星観測によるアラスカの根雪時期とNDVIとの関係
極域科学・宙空圏・気水圏・生物・地学シンポジウム講演予稿集(CD-ROM), 2011
2011 - Atsushi Kume; Kenlo N. Nasahara; Shin Nagai; Hiroyuki Muraoka
Erratum to: The ratio of transmitted near-infrared radiation to photosynthetically active radiation (PAR) increases in proportion to the adsorbed PAR in the canopy (J Plant Res, 10.1007/s10265-010-0346-1)
Journal of Plant Research, 2011
124, 1, 107 - 村岡裕由; 吉野純; 斎藤琢; 永井信; 石原光則; 野田響; 児島利治; 玉川一郎; 大塚俊之; 安田孝志
「衛星生態学」による山岳地流域圏生態系の機能評価
日本生態学会大会講演要旨集, 2009
56th - 蒲生 稔; 前田 高尚; 三枝 信子; 岩男 弘毅; 村山 昌平; 田口 彰一; 永井 信; 石田 厚
P213 中高緯度落葉樹林帯における葉のフェノロジーの水平・経年変化
大会講演予講集, 2009
95, 96, 292, 292 - 吉野 純; 村岡 裕由; 永井 信; 石原 光則; 斉藤 琢; 児島 利治; 李 美善; 野田 響; 中田 淳子; 玉川 一郎; 秋山 侃; 小泉 博; 安田 孝志
C454 SATECOモデルによる大八賀川流域の高解像度水・熱・炭素収支評価(広域スケールの陸域生物圏研究に関する最新の動向,専門分科会)
大会講演予講集, 2008
93, 249, 249 - 蒲生 稔; 前田 高尚; 三枝 信子; 岩男 弘毅; 村山 昌平; 田口 彰一; 永井 信; 石田 厚
P327 中高緯度落葉樹林帯における春の気温と展葉時期の関係
大会講演予講集, 2008
94, 472, 472 - 永井信; 西田顕郎; 石原光則; 村岡裕由
Relationship between phenology in a cool temperate deciduous broad-leaved forest and cloud-free NDVI data
日本リモートセンシング学会学術講演会論文集, 2007
42nd
Books and Other Publications
- Taku M. Saitoh; Nagai Shin; Jumpei Toriyama; Shohei Murayama; Koh Yasue, Joint work
Forest Carbon Sequestration in Mountainous Region in Japan Under Ongoing Climate Change: Implication for Future Research
Springer, Singapore, Sep. 2022
9789811940699 - Yongwon Kim; Hideki Kobayashi; Shin Nagai; Masahito Ueyama; Bang-Yong Lee; Rikie Suzuki, Joint work, Boreal Forest and Forest Fires
Arctic Hydrology, Permafrost and Ecosystems
Springer, Aug. 2020
9783030509286 - Shin Nagai; Kenlo Nishida Nasahara; Tomoko Kawaguchi Akitsu; Taku M. Saitoh; Hiroyuki Muraoka, Contributor, Importance of the collection of abundant ground-truth data for accurate detection of spatial and temporal variability of vegetation by satellite remote sensing.
Biogeochemical cycles: ecological drivers and environmental impact
Wiley, 2020, [Reviewed]
9781119413318 - 三枝, 信子; 柴田, 英昭, Contributor, 第2章 地球規模での森林環境の現状把握 -リモートセンシングによるアプローチ-
森林と地球環境変動
共立出版, Dec. 2019
9784320058224 - Shin Nagai; Hideki Kobayashi; Rikie Suzuki, Contributor, Remote sensing of vegetation
Water-Carbon Dynamics in Eastern Siberia
Springer, 2019
9789811363160 - 藤田, 昇; 加藤, 聡史; 草野, 栄一; 幸田, 良介, Contributor, 生態系の変動を測る-衛星リモートセンシング(終章 草原と遊牧の未来)
モンゴル : 草原生態系ネットワークの崩壊と再生
京都大学学術出版会, Oct. 2013
9784876982998 - Contributor, Phenological observations by using daily satellite-observed vegetation index
Pastoralism and ecosystem network in Mongolia (in Mongolia)
Admon Mongolia, 2012
Presentations
- 永井 信; 北尾宗子
日露韓の人々の季節感
日本シベリア学会第11回研究大会, 07 Feb. 2026 - 永井 信; 緒方一紀; 笹井義一
フラクタル次元の解析によるクロロフィルa濃度分布の特徴検出
日本リモートセンシング学会 第79回(令和7年度秋季)学術講演会, 27 Nov. 2025 - 永井 信; 吉野由美子; 遠藤拓洋
アソシエーションルール分析による開花季節の同期性の調査
第64回日本生気象学会大会, 09 Nov. 2025 - Shin Nagai
Advanced phenology monitoring
Seminar in Korea National Park Service, 05 Aug. 2025, [Invited] - Shin Nagai; Chifuyu Katsumata
Flowering phenology observations by Sentinel-2 satellites
International Symposium on Remote Sensing 2025, 15 May 2025 - Tomoaki Miura; Yuhei Yamamoto; Nagai Shin; Narumasa Tsutsumida; Kazuhito Ichii
Reduction of Snow Contamination in Himawari-8/-9 AHI NDVI for Improved Phenology Monitoring
The 27th CEReS Environmental Remote Sensing Symposium, 20 Feb. 2025 - 永井信
文献資料マイニングにより樺太の植物季節を紐解く
日本シベリア学会第10回研究大会, 15 Feb. 2025 - 笹井義一; 永井信; 中川博美
水産統計を用いた日本沿岸における底魚の100年スケールの時空間変動
水産海洋学会, 24 Nov. 2024 - 永井信
衛星による開花季節観測
第63回日本生気象学会大会, 24 Nov. 2024 - 笹井義一; 永井信; 中川博美
近世資料から見られる北陸地域の魚の時空間分布
水産史研究会, 07 Sep. 2024 - Shin Nagai
Multiple-platform phenology observations in AP region
AOGEO APBON section, 03 Sep. 2024 - Shin Nagai
Development of understanding of the temporal changes in the relationship between people and the landscape after catastrophe in Noto region, Japan
International Symposium on Remote Sensing 2024, 26 Apr. 2024
Media Coverage
- 淡墨桜 樹齢1500年の美 「開花・満開・落花」過去100年を推定
朝日新聞, 朝日新聞岐阜版, 05 Apr. 2025, Paper - プレスリリース:過去100年間における根尾谷淡墨桜の真の開花日・満開日・満開終了日・開花終了日を推測
https://www.gifu-u.ac.jp/news/research/2025/02/entry06-14137.html; https://www.jamstec.go.jp/j/about/press_release/20250206/, 06 Feb. 2025, Others - International team led by JAMSTEC and Miyazaki University observe general flowering in tropical rainforests through satellite observations of a wide area of Borneo
Japan Science and Technology Agency, Science Japan, https://sj.jst.go.jp/news/202304/n0405-02k.html, 05 Apr. 2023, Internet - ボルネオ熱帯多雨林で一斉開花現象観測
科学新聞社, 24 Feb. 2023, Paper - 熱帯の一斉開花現象、ボルネオ島で観測…1~10年間隔で予測できず
Yahoo!ニュース(読売新聞オンライン), https://news.yahoo.co.jp/articles/5099836923f0149064c8226f8356a1c8589bdc11, 19 Feb. 2023, Internet - 熱帯の一斉開花現象、ボルネオ島で観測…1~10年間隔で予測できず
読売新聞, https://www.yomiuri.co.jp/science/20230217-OYT1T50205/, 19 Feb. 2023, Paper - プレスリリース:ボルネオ熱帯多雨林の一斉開花現象を 世界で初めて衛星観測により広範囲にとらえた!
https://www.jamstec.go.jp/j/about/press_release/20230208/, Feb. 2023, Others - 毎日新聞全国版2015年11月20日記事掲載 「ひまわりEYE 見下ろせば列島秋色」
Nov. 2015