| Ocean acidification off the south coast of Japan: A result from time series observations of CO2 parameters from 1994 to 2008 M Ishii, N Kosugi, D Sasano, S Saito, T Midorikawa, HY Inoue Journal of Geophysical Research: Oceans 116 (C6), 2011 | 85 | 2011 |
| Decadal variability of subtropical mode water subduction and its impact on biogeochemistry E Oka, B Qiu, Y Takatani, K Enyo, D Sasano, N Kosugi, M Ishii, T Nakano, ... Journal of oceanography 71 (4), 389-400, 2015 | 83 | 2015 |
| Decreasing pH trend estimated from 25-yr time series of carbonate parameters in the western North Pacific T Midorikawa, M Ishii, SHU Saito, D Sasano, N Kosugi, T Motoi, H Kamiya, ... Tellus B: Chemical and Physical Meteorology 62 (5), 649-659, 2010 | 83 | 2010 |
| Mapping of the air–sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability S Yasunaka, A Murata, E Watanabe, M Chierici, A Fransson, ... Polar Science 10 (3), 323-334, 2016 | 82 | 2016 |
| PACIFICA data synthesis project T Suzuki, M Ishii, M Aoyama, JR Christian, K Enyo, T Kawano, RM Key, ... ORNL/CDIAC-159, NDP-092, Carbon Dioxide Information Analysis Center, Oak …, 2013 | 72 | 2013 |
| Deep oceans may acidify faster than anticipated due to global warming CTA Chen, HK Lui, CH Hsieh, T Yanagi, N Kosugi, M Ishii, GC Gong Nature Climate Change 7 (12), 890-894, 2017 | 71 | 2017 |
| Arctic Ocean CO2 uptake: An improved multiyear estimate of the air-sea CO2 flux incorporating chlorophyll a concentrations S Yasunaka, E Siswanto, A Olsen, M Hoppema, E Watanabe, A Fransson, ... | 68 | 2018 |
| Decreasing pH trend estimated from 35-year time series of carbonate parameters in the Pacific sector of the Southern Ocean in summer T Midorikawa, HY Inoue, M Ishii, D Sasano, N Kosugi, G Hashida, ... Deep Sea Research Part I: Oceanographic Research Papers 61, 131-139, 2012 | 60 | 2012 |
| Acceleration of Ocean Acidification in the Western North Pacific H Ono, N Kosugi, K Toyama, H Tsujino, A Kojima, K Enyo, Y Iida, ... Geophysical Research Letters 46 (22), 13161-13169, 2019 | 45 | 2019 |
| Development of a measurement system for nitrate radical and dinitrogen pentoxide using a thermal conversion/laser-induced fluorescence technique J Matsumoto, N Kosugi, H Imai, Y Kajii Review of scientific instruments 76 (6), 064101, 2005 | 43 | 2005 |
| Examination on photostationary state of NOx in the urban atmosphere in Japan J Matsumoto, N Kosugi, A Nishiyama, R Isozaki, Y Sadanaga, S Kato, ... Atmospheric Environment 40 (18), 3230-3239, 2006 | 38 | 2006 |
| Relationships between total alkalinity in surface water and sea surface dynamic height in the Pacific Ocean Y Takatani, K Enyo, Y Iida, A Kojima, T Nakano, D Sasano, N Kosugi, ... Journal of Geophysical Research: Oceans 119 (5), 2806-2814, 2014 | 37 | 2014 |
| Multidecadal trends of oxygen and their controlling factors in the western North Pacific D Sasano, Y Takatani, N Kosugi, T Nakano, T Midorikawa, M Ishii Global Biogeochemical Cycles 29 (7), 935-956, 2015 | 34 | 2015 |
| In situ measurement of N2O5 in the urban atmosphere by thermal decomposition/laser-induced fluorescence technique J Matsumoto, H Imai, N Kosugi, Y Kajii Atmospheric Environment 39 (36), 6802-6811, 2005 | 33 | 2005 |
| Nocturnal sink of NOx via NO3 and N2O5 in the outflow from a source area in Japan J Matsumoto, K Imagawa, H Imai, N Kosugi, M Ideguchi, S Kato, Y Kajii Atmospheric Environment 40 (33), 6294-6302, 2006 | 32 | 2006 |
| Decline and bidecadal oscillations of dissolved oxygen in the Oyashio region and their propagation to the western North Pacific D Sasano, Y Takatani, N Kosugi, T Nakano, T Midorikawa, M Ishii Global Biogeochemical Cycles 32 (6), 909-931, 2018 | 26 | 2018 |
| Interannual-decadal variability of wintertime mixed layer depths in the North Pacific detected by an ensemble of ocean syntheses T Toyoda, Y Fujii, T Kuragano, N Kosugi, D Sasano, M Kamachi, ... Climate Dynamics 49 (3), 891-907, 2017 | 21 | 2017 |
| Calcium carbonate saturation and ocean acidification in Tokyo Bay, Japan M Yamamoto-Kawai, N Kawamura, T Ono, N Kosugi, A Kubo, M Ishii, ... Journal of oceanography 71 (4), 427-439, 2015 | 21 | 2015 |
| Response of a phytoplankton community to nutrient addition under different CO2 and pH conditions T Hama, T Inoue, R Suzuki, H Kashiwazaki, S Wada, D Sasano, N Kosugi, ... Journal of oceanography 72 (2), 207-223, 2016 | 20 | 2016 |
| Spatial distribution of dissolved methane and its source in the western Arctic Ocean K Kudo, K Yamada, S Toyoda, N Yoshida, D Sasano, N Kosugi, M Ishii, ... Journal of oceanography 74 (3), 305-317, 2018 | 17 | 2018 |
