| Effects of snow cover on soil freezing, water movement, and snowmelt infiltration: A paired plot experiment Y Iwata, M Hayashi, S Suzuki, T Hirota, S Hasegawa Water resources research 46 (9), 2010 | 183 | 2010 |
| Decreasing soil-frost depth and its relation to climate change in Tokachi, Hokkaido, Japan T Hirota, Y Iwata, M Hayashi, S Suzuki, T Hamasaki, R Sameshima, ... Journal of the Meteorological Society of Japan. Ser. II 84 (4), 821-833, 2006 | 125 | 2006 |
| Comparison of snowmelt infiltration under different soil‐freezing conditions influenced by snow cover Y Iwata, M Hayashi, T Hirota Vadose Zone Journal 7 (1), 79-86, 2008 | 115 | 2008 |
| Accumulation of nitrous oxide and depletion of oxygen in seasonally frozen soils in northern Japan–Snow cover manipulation experiments Y Yanai, T Hirota, Y Iwata, M Nemoto, O Nagata, N Koga Soil Biology and Biochemistry 43 (9), 1779-1786, 2011 | 101 | 2011 |
| Influence of rain, air temperature, and snow cover on subsequent spring-snowmelt infiltration into thin frozen soil layer in northern Japan Y Iwata, M Nemoto, S Hasegawa, Y Yanai, K Kuwao, T Hirota Journal of Hydrology 401 (3-4), 165-176, 2011 | 98 | 2011 |
| Influences of feedstock and pyrolysis temperature on the nitrate adsorption of biochar K Kameyama, T Miyamoto, Y Iwata, T Shiono Soil Science and Plant Nutrition 62 (2), 180-184, 2016 | 82 | 2016 |
| The preliminary study of water-retention related properties of biochar produced from various feedstock at different pyrolysis temperatures K Kameyama, T Miyamoto, Y Iwata Materials 12 (11), 1732, 2019 | 66 | 2019 |
| Snowmelt energy balance and its relation to foehn events in Tokachi, Japan M Hayashi, T Hirota, Y Iwata, I Takayabu Journal of the Meteorological Society of Japan. Ser. II 83 (5), 783-798, 2005 | 59 | 2005 |
| Soil frost control: agricultural adaptation to climate variability in a cold region of Japan T Hirota, K Usuki, M Hayashi, M Nemoto, Y Iwata, Y Yanai, T Yazaki, ... Mitigation and Adaptation Strategies for Global Change 16, 791-802, 2011 | 52 | 2011 |
| Effects of frozen soil and snow cover on cold‐season soil water dynamics in Tokachi, Japan Y Iwata, T Hirota, M Hayashi, S Suzuki, S Hasegawa Hydrological processes 24 (13), 1755-1765, 2010 | 48 | 2010 |
| Effects of biochar produced from sugarcane bagasse at different pyrolysis temperatures on water retention of a calcaric dark red soil K Kameyama, T Miyamoto, Y Iwata, T Shiono Soil Science 181 (1), 20-28, 2016 | 42 | 2016 |
| Monitoring over‐winter soil water dynamics in a freezing and snow‐covered environment using a thermally insulated tensiometer Y Iwata, T Hirota Hydrological Processes: An International Journal 19 (15), 3013-3019, 2005 | 40 | 2005 |
| Comparison of soil frost and thaw depths measured using frost tubes and other methods Y Iwata, T Hirota, T Suzuki, K Kuwao Cold regions science and technology 71, 111-117, 2012 | 37 | 2012 |
| Biochar amendment of soils according to their physicochemical properties K Kameyama, Y Iwata, T Miyamoto Japan Agricultural Research Quarterly: JARQ 51 (2), 117-127, 2017 | 36 | 2017 |
| Effective killing of volunteer potato (Solanum tuberosum L.) tubers by soil frost control using agrometeorological information—An adaptive countermeasure to climate change in … T Yazaki, T Hirota, Y Iwata, S Inoue, K Usuki, T Suzuki, M Shirahata, ... Agricultural and forest meteorology 182, 91-100, 2013 | 32 | 2013 |
| Effects of a snow-compaction treatment on soil freezing, snowmelt runoff, and soil nitrate movement: A field-scale paired-plot experiment Y Iwata, Y Yanai, T Yazaki, T Hirota Journal of hydrology 567, 280-289, 2018 | 29 | 2018 |
| Evaluation of updated physical snowpack model SMAP M Niwano, T Aoki, K Kuchiki, M Hosaka, Y Kodama, S Yamaguchi, ... Bulletin of Glaciological Research 32, 65-78, 2014 | 25 | 2014 |
| Biochar impacts on crop productivity and greenhouse gas emissions from an Andosol N Koga, S Shimoda, Y Iwata Journal of environmental quality 46 (1), 27-35, 2017 | 24 | 2017 |
| Optimum soil frost depth to alleviate climate change effects in cold region agriculture Y Yanai, Y Iwata, T Hirota Scientific reports 7 (1), 44860, 2017 | 23 | 2017 |
| Monitoring electrical conductivity and nitrate concentrations in an Andisol field using time domain reflectometry T Miyamoto, K Kameyama, Y Iwata Japan Agricultural Research Quarterly: JARQ 49 (3), 261-267, 2015 | 23 | 2015 |
