| A comparative evaluation of lumped and semi-distributed conceptual hydrological models: does model complexity enhance hydrograph prediction? E Okiria, H Okazawa, K Noda, Y Kobayashi, S Suzuki, Y Yamazaki Hydrology 9 (5), 89, 2022 | 16 | 2022 |
| Physical and chemical properties of tsunami deposits in the northeast area of Fukushima prefecture after the Tohoku-Kanto Earthquake T Fujikawa, H Okazawa, T Nakamura, Y Takeuchi, M Komamura GEOMATE Journal 1 (1), 44-49, 2011 | 15 | 2011 |
| Optimization of ground control point distribution for unmanned aerial vehicle photogrammetry for inaccessible fields K Zhang, H Okazawa, K Hayashi, T Hayashi, L Fiwa, S Maskey Sustainability 14 (15), 9505, 2022 | 12 | 2022 |
| Effect of land use agglomeration on nitrogen concentrations in river water in the Tokachi River H Okazawa, T Muneoka, Y Kudo, Y Takeuchi International Journal of Environmental and Rural Development 2 (1), 37-42, 2011 | 10 | 2011 |
| Newer surveying-Fundamentals and applications with newest technology H Okazawa, T Kubodera, K Sasada, M Tasumi, Y Hosokawa, E Matsuo, ... Corona Publishing Co., Ltd, 2014 | 8 | 2014 |
| Effects of surveying methods between GNSS and direct leveling on elevation values over long distance in mountainous Area T KUBODERA, H OKAZAWA, Y HOSOKAWA, F KAWANA, E MATSUO, ... International Journal of Environmental and Rural Development 7 (1), 62-69, 2016 | 7 | 2016 |
| The nitrate nitrogen concentration in river water and the proportion of cropland in the Tokachi River watershed T Muneoka, H Okazawa, O Tsuji, M Kimura International Journal of Environmental and Rural Development 3 (2), 193-199, 2012 | 7 | 2012 |
| Influences of riparian land use on nitrogen concentration of river water in agricultural and forest watersheds of northeastern Hokkaido, Japan H Okazawa, D Yamamoto, Y Takeuchi International Journal of Environmental and Rural Development 1 (2), 1-6, 2010 | 7 | 2010 |
| Characteristics of stream water quality during rainfall runoff on an upland field area of eastern Hokkaido, Japan H Okazawa, T Inoue, T Yamamoto, T Nagasawa, K Unoki Transactions of the Japanese Society of Irrigation, Drainage and Reclamation …, 2003 | 7 | 2003 |
| Influence of the agricultural land agglomeration to the nutrients of the river water in the Tokachi River basin Y Yamazaki, T Muneoka, H Okazawa, M Kimura, O Tsuji Paddy and water environment 15, 277-290, 2017 | 6 | 2017 |
| Effect of previous flood on suspended sediment transport during rainstorm runoff O Hiromu, N Tetuaki, I Takashi, Y Tadao 12th ISCO conference, Beijing, 2002 | 6 | 2002 |
| Accuracy Verification of UAV-SfM survey of terrace paddy fields in a hilly and mountainous area Y Yamazaki, H Okazawa, A Sekiyama, T Fujikawa International Journal of Environmental and Rural Development 10 (1), 153-159, 2019 | 5 | 2019 |
| Fundamental study on nitrogen removal from paddy drainage using clinker ash H Yamamoto, H Okazawa, Y Ohtaka, Y Takeuchi, Y Murakami International Journal of Environmental and Rural Development 2 (1), 54-58, 2011 | 5 | 2011 |
| Study on evaluating the hardness of the sidewalk pavement M Higuchi, Y Takeuchi, H Okazawa, KI Sato International Journal of Environmental and Rural Development 2 (1), 77-82, 2011 | 5 | 2011 |
| Relationship between land-use agglomeration and nitrate nitrogen concentration of river water in the Shari and Abashiri region of Hokkaido, Japan H Okazawa, Y Takeuchi, I Samura Transactions of The Japanese Society of Irrigation 77 (1), 53-59, 2010 | 5 | 2010 |
| Erosion mechanism of bottom muds and eutrophic components outflow M Mihara, H Okazawa Trans. JSIDRE 194, 33-40, 1998 | 5 | 1998 |
| Evaluation of river water quality with multivariate analysis in clear stream watersheds in agricultural area Y Yamazaki, T Muneoka, H Okazawa, M Kimura, O Tsuji Journal of Water and Environment Technology 15 (3), 86-95, 2017 | 4 | 2017 |
| Assessment of three automated identification methods for ground object based on UAV imagery K Zhang, S Maskey, H Okazawa, K Hayashi, T Hayashi, A Sekiyama, ... Sustainability 14 (21), 14603, 2022 | 3 | 2022 |
| Ecosystem service assessment in agricultural watershed by using TOPMODEL K MUKAE, M Koji, H OKAZAWA, T FUJIKAWA AGROFOR 2 (3), 2017 | 3 | 2017 |
| Input of Pollutants by the Tributaries of Lake Yojoa, Honduras COM Tovar, M Mihara, H Okazawa Int. J. Environ. Rural. Dev 3 (1), 2012 | 3 | 2012 |
Okiria EmmanuelNIESVerified email at nies.go.jp
