論文 - 坂井 亜規子
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Up-glacier propagation of surface lowering of Yala Glacier, Langtang Valley, Nepal Himalaya
Sunako Sojiro, Fujita Koji, Izumi Takeki, Yamaguchi Satoru, Sakai Akiko, Kayastha Rijan Bhakta
JOURNAL OF GLACIOLOGY 69 巻 ( 274 ) 頁: 425 - 432 2023年4月
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Up-glacier propagation of surface lowering of Yala Glacier, Langtang Valley, Nepal Himalaya. 査読有り 国際共著
Sunako S, Fujita K, Izumi T, Yamaguchi S, Sakai A, Kayastha RB
Journal of Glaciology 69 巻 ( 274 ) 頁: 425 - 432 2023年1月
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Land- to lake-terminating transition triggers dynamic thinning of a Bhutanese glacier. 査読有り 国際共著
Sato Y, Fujita K, Inoue H, Sakai A, Karma
The Cryosphere 16 巻 ( 6 ) 頁: 2643 - 2654 2022年7月
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Mass Balance of Four Mongolian Glaciers: In-situ Measurements, Long-Term Reconstruction and Sensitivity Analysis
Khalzan Purevdagva, Sakai Akiko, Fujita Koji
FRONTIERS IN EARTH SCIENCE 9 巻 2022年1月
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Ice cliff dynamics of debris-covered Trakarding Glacier in the Rolwaling region, Nepal Himalaya. 査読有り
Sato Y, Fujita K, Inoue H, Sunako S, Sakai A, Tsushima A, Podolskiy EA, Kayastha R, Kayastha RB
Frontiers in Earth Science 9 巻 ( 623623 ) 2021年6月
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Projected land ice contributions to twenty-first-century sea level rise. 査読有り 国際共著
Edwards TL, Nowicki S, Marzeion B, Hock R, Goelzer H, Seroussi H, Jourdain NC, Slater DA, Turner F, Smith CJ, McKenna CM, Simon E, Abe-Ouchi A, Gregory JM, Larour E, Lipscomb WH, Payne AJ, Shepherd A, Agosta C, Alexander P, Albrecht T, Anderson B, Asay-Davis X, Aschwanden A, Barthel A, Bliss A, Calov R, Chambers C, Champollion N, Choi YM, Cullather R, Cuzzone J, Dumas C, Felikson D, Fettweis X, Fujita K, Galton-Fenzi BK, Gladstone R, Golledge NR, Greve R, Hattermann T, Hoffman MJ, Humbert A, Huss M, Huybrechts P, Immerzeel WW, Kleiner T, Kraaijenbrink P, Le clec'h S, Lee V, Leguy GR, Little CM, Lowry DP, Malles JH, Martin DF, Maussion F, Morlighem M, O'Neill JF, Nias I, Pattyn F, Pelle T, Price SF, Quiquet A, Radić V, Reese R, Rounce DR, Rückamp M, Sakai A, Shafer C, Schlegel NJ, Shannon S, Smith RS, Straneo F, Sun S, Tarasov L, Trusel LD, van Breedam J, van de Wal RSW, van den Broeke M, Winkelmann R, Zekollari H, Zhao C, Zhang T, Zwinger T
Nature 593 巻 頁: 74 - 82 2021年5月
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Partitioning the uncertainty of ensemble projections of global glacier mass change. 査読有り 国際共著
Marzeion B, Hock R, Anderson B, Bliss A, Champollion N, Fujita K, Huss M, Immerzeel WW, Kraaijenbrink P, Malles JH, Maussion F, Radić V, Rounce DR, Sakai A, Shannon S, van de Wal RSW, Zekollari H
Earth's Future 8 巻 ( 7 ) 2020年4月
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Oxygen stable isotopes of a network of shrubs and trees as high-resolution plaeoclimatic proxies in Northwestern China. 査読有り 国際共著
Li Q, Liu Y, Nakatsuka T, Zhang QB, Ohnishi K, Sakai A, Kobayashi O, Pan YN, Song HM, Liu RS, Sun CF, Fang CX
Agricultural and Forest Meteorology 2020年2月
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Contrasting thinning patterns between lake- and land-terminating glaciers in the Bhutanese Himalaya. 査読有り 国際共著
Tsutaki S, Fujita K, Nuimura T, Sakai A, Sugiyama S, Komori J, Tshering P
The Cryosphere 13 巻 ( 10 ) 頁: 2733 - 2750 2019年10月
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Brief communication: Updated GAMDAM Glacier Inventory over the High Mountain Asia. 査読有り
Akiko Sakai
The Cryosphere 13 巻 ( 7 ) 頁: 2043-2049 2019年7月
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Sunako S, Fujita K, Sakai A, Kayastha RB
Journal of Glaciology 65 巻 ( 252 ) 頁: 605 - 616 2019年6月
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Lamsal Damodar, Fujita Koji, Sakai Akiko
CRYOSPHERE 11 巻 ( 6 ) 頁: 2815-2827 2017年12月
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Contrasting glacier responses to recent climate change in high-mountain Asia
Sakai Akiko, Fujita Koji
SCIENTIFIC REPORTS 7 巻 ( 1 ) 頁: 13717 2017年10月
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Nuimura Takayuki, Fujita Koji, Sakai Akiko
QUATERNARY INTERNATIONAL 455 巻 頁: 93-101 2017年10月
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Ojha Sunal, Fujita Koji, Sakai Akiko, Nagai Hiroto, Lamsal Damodar
QUATERNARY INTERNATIONAL 455 巻 頁: 82-92 2017年10月
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Nagai Hiroto, Ukita Jinro, Narama Chiyuki, Fujita Koji, Sakai Akiko, Tadono Takeo, Yamanokuchi Tsutomu, Tomiyama Nobuhiro
GEOSCIENCES 7 巻 ( 3 ) 2017年9月
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Salerno Franco, Thakuri Sudeep, Tartari Gianni, Nnimura Takayuki, Sunako Sojiro, Sakai Akiko, Fujita Koji
EARTH AND PLANETARY SCIENCE LETTERS 471 巻 頁: 19-31 2017年8月
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Anomalous winter-snow-amplified earthquake-induced disaster of the 2015 Langtang avalanche in Nepal
Fujita Koji, Inoue Hiroshi, Izumi Takeki, Yamaguchi Satoru, Sadakane Ayako, Sunako Sojiro, Nishimura Kouichi, Immerzeel WalterW., Shea Joseph M., Kayastha Rijan B., Sawagaki Takanobu, Breashears David F., Yagi Hiroshi, Sakai Akiko
NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 17 巻 ( 5 ) 頁: 749-764 2017年5月
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Geomorphic and geologic controls of geohazards induced by Nepal's 2015 Gorkha earthquake
Kargel J. S., Leonard G. J., Shugar D. H., Haritashya U. K., Bevington A., Fielding E. J., Fujita K., Geertsema M., Miles E. S., Steiner J., Anderson E., Bajracharya S., Bawden G. W., Breashears D. F., Byers A., Collins B., Dhital M. R., Donnellan A., Evans T. L., Geai M. L., Glasscoe M. T., Green D., Gurung D. R., Heijenk R., Hilborn A., Hudnut K., Huyck C., Immerzeel W. W., Jiang Liming, Jibson R., Kaab A., Khanal N. R., Kirschbaum D., Kraaijenbrink P. D. A., Lamsal D., Liu Shiyin, Lv Mingyang, McKinney D., Nahirnick N. K., Nan Zhuotong, Ojha S., Olsenholler J., Painter T. H., Pleasants M., Pratima K. C., Yuan Q. I., Raup B. H., Regmi D., Rounce D. R., Sakai A., Donghui Shangguan, Shea J. M., Shrestha A. B., Shukla A., Stumm D., van der Kooij M., Voss K., Xin Wang, Weihs B., Wolfe D., Wu Lizong, Yao Xiaojun, Yoder M. R., Young N.
SCIENCE 351 巻 ( 6269 ) 2016年1月
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Comparison of multiple glacier inventories with a new inventory derived from high-resolution ALOS imagery in the Bhutan Himalaya
Nagai H., Fujita K., Sakai A., Nuimura T., Tadono T.
CRYOSPHERE 10 巻 ( 1 ) 頁: 65-85 2016年
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Glacier area shrinkage in eastern Nepal Himalaya since 1992 using high-resolution inventories from aerial photographs and ALOS satellite images
Ojha Sunal, Fujita Koji, Asahi Katsuhiko, Sakai Akiko, Lamsal Damodar, Nuimura Takayuki, Nagai Hiroto
JOURNAL OF GLACIOLOGY 62 巻 ( 233 ) 頁: 512-524 2016年
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Climate regime of Asian glaciers revealed by GAMDAM glacier inventory
Sakai A., Nuimura T., Fujita K., Takenaka S., Nagai H., Lamsal D.
CRYOSPHERE 9 巻 ( 3 ) 頁: 865 - 880 2015年
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The GAMDAM glacier inventory: a quality-controlled inventory of Asian glaciers
Nuimura T., Sakai A., Taniguchi K., Nagai H., Lamsal D., Tsutaki S., Kozawa A., Hoshina Y., Takenaka S., Omiya S., Tsunematsu K., Tshering P., Fujita K.
CRYOSPHERE 9 巻 ( 3 ) 頁: 849 - 864 2015年
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Formation conditions of supraglacial lakes on debris-covered glaciers in the Himalayas. 査読有り
Sakai A, Fujita K
Journal of Glaciology 568 巻 ( 195 ) 頁: 177-181 2010年
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Reconstructions of annual discharge and equilibrium line altitude of glaciers at Qilian Shan, northwest China, from 1978 to 2002. 査読有り
Sakai A, Fujita K, Narama C, Kubota J, Nakawo M, Yao T
Hydrological Processes 24 巻 ( 19 ) 頁: 2798-2806 2010年
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Recent changes in Imja Glacial Lake and its damming moraine in the Nepal Himalaya revealed by in-situ surveys and multi-temporal ASTER imagery. 査読有り
Fujita K, Sakai A, Nuimura T, Yamaguchi S, Sharma RR
Environmental Research Letters 4 巻 頁: doi:10.1088/1748-9326/4/4/045205 2009年
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A shallow ice core re-drilled on the Dunde Ice Cap, western China: recent changes in the Asian high mountains. 査読有り
Takeuchi N, Miyake T, Nakazawa F, Narita H, Fujita K, Sakai A, Nakawo M, Fujii Y, Duan KQ, Yao TD
Environmental Research Letters 4 巻 頁: 045207. doi:10.1088/1748-9326/4/4/045207 2009年
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Simplification of heat balance calculation and its application to the glacier runoff from the July 1st Glacier in northwest China since the 1930s. 査読有り
Sakai A, Fujita K, Nakawo M, Yao T
Hydrological Processes 23 巻 頁: 585-596 2009年
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Onset of calving at supraglacial lakes on debris covered glaciers of the Nepal Himalayas. 査読有り
Sakai A, Nishimura K, Kadota T, Takeuchi N
Journal of Glaciology 55 巻 ( 193 ) 頁: 909-917 2009年
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Performance of ASTER and SRTM DEMs, and their potential for assessing glacier lakes in the Lunana region, Bhutan Himalayas. 査読有り
Fujita K, Suzuki R, Nuimura T, Sakai A
Journal of Glaciology 54 巻 ( 185 ) 頁: 220-228 2008年
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Five decades of shrinkage of the July 1st Glacier, Qilian Mountains, China. 査読有り
Sakai A, Fujita K, Duan K, Pu J, Nakawo M, Yao T
Journal of Glaciology 52 巻 ( 176 ) 頁: 11-16 2006年
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Preliminary observations of sub-surface and shallow ice core at July 1st Glacier, China in 2002-2004. 査読有り
Uetake J, Sakai A, Matsuda Y, Fujita K, Narita H, Matoba S, Duan K, Nakawo M, Yao T
Bulletin of Glaciological Research 23 巻 頁: 85-93 2006年
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Thirty-year history of glacier melting in the Nepal Himalayas. 査読有り
Fujita K, Thompson LG, Ageta Y, Yasunari T, Kajikawa Y, Sakai A, Takeuchi N.
Journal of Geophysical Research – Atmospheres 111(D3) 巻 頁: doi:10.1029/2005JD005894 2006年
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Meteorological observation at July 1st Glacier in northwest China from 2002 to 2005. 査読有り
Sakai A, Matsuda Y, Fujita K, Matoba S, Uetake J, Satow K, Duan K, Pu J, Nakawo M, Yao T
Bulletin of Glaciological Research 23 巻 頁: 23-31 2006年
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Estimation of atmospheric transmissivity of solar radiation from precipitation in the Himalayas and Tibetan Plateau. 査読有り
Matsuda Y, Fujita K, Ageta Y, Sakai A
Annals of Glaciology 43 巻 頁: 344-350 2006年
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Hydrological observations at July 1st Glacier in northwest China from 2002 to 2004. 査読有り
Sakai A, Matsuda Y, Fujita K, Duan K, Pu J, Yamaguchi S, Nakawo M, Yao T
Bulletin of Glaciological Research 23 巻 頁: 33-39 2006年
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Topographical survey of July 1st Glacier in Qilian Mountains, China. 査読有り
Fujita K, Sakai A, Matsuda Y, Narama C, Naito N, Yamaguchi S, Hiyama K, Pu J, Yao T, Nakawo M
Bulletin of Glaciological Research 23 巻 頁: 63-67 2006年
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A large amount of biogenic surface dust (cryoconite) on a glacier in the Qilian Mountains, China. 査読有り
Takeuchi N, Matsuda Y, Sakai A, Fujita K.
Bulletin of Glaciological Research 21 巻 頁: 1-8 2004年
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Glaciological observations on July 1st glacier in Qilian Mountains of west China during summer 2002. 査読有り
Matsuda Y, Sakai A, Fujita K, Nakawo M, Duan K, Pu J, Yao T
Bulletin of Glaciological Research 21 巻 頁: 31-36 2004年
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Evaporation and percolation effect on melting at debris-covered Lirung Glacier, Nepal Himalayas, 1996. 査読有り
Sakai A, Fujita K, Kubota J.
Bulletin of Glaciological Research 21 巻 頁: 9-15 2004年
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Positive degree-day factors for ice ablation on four glaciers in the Nepalese Himalayas. 査読有り
Kayastha RB, Ageta Y, Nakawo M, Fujita K, Sakai A, Matsuda Y.
Bulletin of Glaciological Research 20 巻 頁: 7-14 2003年
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Distribution Characteristics and Energy Balance of Ice Cliffs on Debris-covered Glaciers, Nepal Himalaya. 査読有り
Sakai A, Nakawo M, Fujita K.
Arctic, Antarctic, and Alpine Research 34 巻 ( 1 ) 頁: 12-29 2002年
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Surface lowering over the ablation area of Lirung Glacier, Nepal Himalayas. 査読有り
Naito N, Kadota T, Fujita K, Sakai A, Nakawo M.
Bulletin of Glaciological Research 19 巻 頁: 41-46 2002年
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Glacial Lakes and their outburst flood assessment in the Bhutan Himalaya. 査読有り
Iwata S, Ageta Y, Naito N, Sakai A, Narama C, Karma.
Global Environmental Research 6 巻 ( 1 ) 頁: 3-17 2002年
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Isotope studies of inner snow layers in a temperate region. 査読有り
Hashimoto S, Shiqiao Z, Nakawo M, Sakai A, Ageta Y, Ishikawa N, Narita H.
Hydrological Processes 16 巻 ( 11 ) 頁: 2209-2220 2002年
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Thermal regime of a moraine-dammed glacial lake, Tsho Rolpa, in Rolwaling Himal, Nepal Himalaya. 査読有り
Sakai A, Yamada T, Chikita K.
Bulletin of Glaciological Research 18 巻 頁: 37-44 2001年
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Expansion of a moraine-dammed glacier lake, Tsho Rolpa, in Rolwaling Himal, Nepal Himalaya. 査読有り
Sakai A, Chikita K, Yamada T.
Limnology & Oceanography 45 巻 ( 6 ) 頁: 1401-1408 2000年
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Air temperature environment on debris-covered area of Lirung Glacier, Langtang Valley, Nepal Himalayas. 査読有り
Fujita K. Sakai A.
International Association of Hydrological Sciences 264 巻 頁: 83-88 2000年
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Seasonal changes in dissolved chemical composition and flux of meltwater draining from Lirung Glacier in Nepal Himalaya. 査読有り
Bhatt, MP, Masuzawa T, Yamamoto M, Sakai A, Fujita K.
International Association of Hydrological Sciences 264 巻 頁: 277-288 2000年
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Expansion of glacier lakes in recent decades in the Bhutan Himalayas. 査読有り
Ageta Y, Iwata S, Naito N, Sakai A, Narama C, Karma.
International Association of Hydrological Sciences 264 巻 頁: 165-175 2000年
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Role of supraglacial pond in the ablation process of a debris-covered glacier in the Nepal Himalayas. 査読有り
Sakai A, Takeuchi N, Fujita K, Nakawo M.
International Association of Hydrological Sciences 264 巻 頁: 119-130 2000年
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Characteristic of Khumbu Glacier, Nepal Himalaya: recent change in the debris-covered area. 査読有り
Nakawo M, Yabuki H, Sakai A.
Annals of Glaciology 28 巻 頁: 118-122 1999年
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Melt rate of ice cliffs on the Lirung Glacier, Nepal Himalayas, 1996. 査読有り
Sakai A, Nakawo M, Fujita K.
Bulletin of Glacier Research 16 巻 頁: 57-66 1998年
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Changing surface features of Khumbu Glacier, Nepal Himalayas revealed by SPOT images. 査読有り
Seko K, Yabuki H, Nakawo M, Sakai A, Kadota T, Yamada Y.
Bulletin of Glacier Research 16 巻 頁: 33-41 1998年
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Surface flow on the ablation area of the Lirung Glacier in Langtang Valley, Nepal Himalayas. 査読有り
Naito N, Nakawo M, Aoki T, Asahi K, Fujita K, Sakai A, Kadota T, Shiraiwa T, Seko K.
Bulletin of Glacier Research 16 巻 頁: 67-73 1998年
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Water discharge from the Lirung Glacier in Langtang Valley, Nepal Himalayas, 1996. 査読有り
Sakai A, Fujita K, Aoki T, Asahi K, Nakawo M.
Bulletin of Glacier Research 15 巻 頁: 79-83 1997年
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Hydrodynamic effects on the basin expansion of Tsho Rolpa Glacier Lake in the Nepal Himalaya. 査読有り
Chikita, K, Yamada T, Sakai A, Ghimire RP.
Bulletin of Glacier Research 15 巻 頁: 59-69 1997年
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Meteorological observation in Langtang Valley, 1996. 査読有り
Fujita K, Sakai A, Chhetri TB.
Bulletin of Glacier Research 15 巻 頁: 71-78 1997年
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Establishment of the GEN Automatic Whether Station (AWS) in Khumbu region, Nepal Himalayas. 査読有り
Ueno K, Iida H, Yabuki H, Seko K, Sakai A, Lhakupa GS, Kayastha RB, Pokhrel AP, Shrestha ML, Yasunari T, Nakawo M.
Bulletin of Glacier Research 14 巻 頁: 13-22 1996年