| Sources of nitrate and ammonium contamination in groundwater under developing Asian megacities Y Umezawa, T Hosono, S Onodera, F Siringan, S Buapeng, R Delinom, ... Science of the Total Environment 404 (2-3), 361-376, 2008 | 220 | 2008 |
| Fine‐scale mapping of land‐derived nitrogen in coral reefs by δ15N in macroalgae Y Umezawa, T Miyajima, M Yamamuro, H Kayanne, I Koike Limnology and Oceanography 47 (5), 1405-1416, 2002 | 188 | 2002 |
| Decline in heavy metal contamination in marine sediments in Jakarta Bay, Indonesia due to increasing environmental regulations T Hosono, CC Su, R Delinom, Y Umezawa, T Toyota, S Kaneko, ... Estuarine, Coastal and Shelf Science 92 (2), 297-306, 2011 | 160 | 2011 |
| Significance of groundwater nitrogen discharge into coral reefs at Ishigaki Island, southwest of Japan Y Umezawa, T Miyajima, H Kayanne, I Koike Coral Reefs 21, 346-356, 2002 | 129 | 2002 |
| Effects of intensive urbanization on the intrusion of shallow groundwater into deep groundwater: Examples from Bangkok and Jakarta S Onodera, M Saito, M Sawano, T Hosono, M Taniguchi, J Shimada, ... Science of the Total Environment 404 (2-3), 401-410, 2008 | 115 | 2008 |
| Multiple isotope (H, O, N, S and Sr) approach elucidates complex pollution causes in the shallow groundwaters of the Taipei urban area T Hosono, CH Wang, Y Umezawa, T Nakano, S Onodera, T Nagata, ... Journal of Hydrology 397 (1-2), 23-36, 2011 | 112 | 2011 |
| Macroalgal metabolism and lateral carbon flows can create significant carbon sinks K Watanabe, G Yoshida, M Hori, Y Umezawa, H Moki, T Kuwae Biogeosciences 17 (9), 2425-2440, 2020 | 98 | 2020 |
| Microbiological nitrogen transformation in carbonate sediments of a coral-reef lagoon and associated seagrass beds T Miyajima, M Suzumura, Y Umezawa, I Koike Marine Ecology Progress Series 217, 273-286, 2001 | 81 | 2001 |
| Temporal variability of stable carbon and nitrogen isotopic composition of size-fractionated particulate organic matter in the hypertrophic Sumida River Estuary of Tokyo Bay, Japan T Sato, T Miyajima, H Ogawa, Y Umezawa, I Koike Estuarine, Coastal and Shelf Science 68 (1-2), 245-258, 2006 | 78 | 2006 |
| Seasonal shifts in the contributions of the Changjiang River and the Kuroshio Current to nitrate dynamics in the continental shelf of the northern East China Sea based on a … Y Umezawa, A Yamaguchi, J Ishizaka, T Hasegawa, C Yoshimizu, ... Biogeosciences 11 (4), 1297-1317, 2014 | 64 | 2014 |
| basicTrendline: add trendline and confidence interval of basic regression models to plot W Mei, G Yu, J Lai, Q Rao, Y Umezawa R package version 2 (3), 2-9, 2018 | 61 | 2018 |
| Application of multi-isotope ratios to study the source and quality of urban groundwater in Metro Manila, Philippines T Hosono, F Siringan, T Yamanaka, Y Umezawa, S Onodera, T Nakano, ... Applied Geochemistry 25 (6), 900-909, 2010 | 57 | 2010 |
| Human impacts on large benthic foraminifers near a densely populated area of Majuro Atoll, Marshall Islands Y Osawa, K Fujita, Y Umezawa, H Kayanne, Y Ide, T Nagaoka, T Miyajima, ... Marine Pollution Bulletin 60 (8), 1279-1287, 2010 | 50 | 2010 |
| Water flow and sediment in Enhalus acoroides and other seagrass beds in the Andaman Sea, off Khao Bae Na, Thailand T Komatsu, Y Umezawa, M Nakakoka, C Supanwanid, Z Kanamoto | 50 | 2004 |
| Net release of dissolved organic matter by the scleractinian coral Acropora pulchra Y Tanaka, T Miyajima, Y Umezawa, T Hayashibara, H Ogawa, I Koike Journal of Experimental Marine Biology and Ecology 377 (2), 101-106, 2009 | 49 | 2009 |
| Phosphorus as a driver of nitrogen limitation and sustained eutrophic conditions in Bolinao and Anda, Philippines, a mariculture-impacted tropical coastal area CM Ferrera, A Watanabe, T Miyajima, ML San Diego-McGlone, ... Marine Pollution Bulletin 105 (1), 237-248, 2016 | 47 | 2016 |
| Cycling of phosphorus maintains the production of microphytobenthic communities in carbonate sediments of a coral reef M Suzumura, T Miyajima, H Hata, Y Umezawa, H Kayanne, I Koike Limnology and Oceanography 47 (3), 771-781, 2002 | 37 | 2002 |
| Highly heterogeneous diazotroph communities in the Kuroshio Current and the Tokara Strait, Japan S Cheung, K Suzuki, H Saito, Y Umezawa, X Xia, H Liu PLoS One 12 (10), e0186875, 2017 | 29 | 2017 |
| Food habits of the farmer damselfish Stegastes nigricans inferred by stomach content, stable isotope, and fatty acid composition analyses H Hata, Y Umezawa Ecological research 26, 809-818, 2011 | 29 | 2011 |
| Distribution and partitioning of nitrogen and phosphorus in a fringing reef lagoon of Ishigaki Island, northwestern Pacific T Miyajima, H Hata, Y Umezawa, H Kayanne, I Koike Marine Ecology Progress Series 341, 45-57, 2007 | 29 | 2007 |
