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(1) ELUCIDATE THE COMPOSITION OF DISSOLVED ORGANIC MATTER IN RIVER AND LAKE WATER AND THE FACTORS THAT CAUSE FLUCTUATIONS (2) IMPROVE THE ECOLOGICAL HEALTH OF LAKES AND MARSHES USING HIGH-DENSITY OXYGEN NANOBUBBLES (3) SUPPRESSION OF THE GENERATION OF 2-METHYLISOBORNEOL (2-MIB), A SUBSTANCE THAT CAUSES A MUSTY ODOR IN LAKES AND MARSHES (4) DECOMPOSITION OF PERSISTENT ENVIRONMENTAL POLLUTANTS IN THE AQUATIC ENVIRONMENT USING HIGH-DENSITY NANOBUBBLES 5) RESEARCH ON A SIMPLE CLASSIFICATION METHOD FOR SOIL USING FLUORESCENCE SPECTROSCOPY AND ELUCIDATION OF THE ORIGIN OF SUSPENDED SOLIDS IN RIVERS
1) Kaoruko Katayanagi, Sonoko Kimura, Dorothea Dorothea, Nagamitsu Majika, Shin-ichiro Mishima, and Hisashi Sato 2014 (Report of the meeting) The 6th Meeting on Monitoring and Wide-Area Assessment of Carbon-Nitrogen Dynamics: Construction and Use of Database Based on Wide-Area Observation. Journal of Soil Science and Fertilizer 85: in press.
2)Watanabe, A., Tsutsuki, K., Inoue, Y., Maie, N., Melling, L., and Jaffé, R., 2014. Composition of dissolved organic nitrogen in rivers associated with Science of Total Environment (in press).
3)Maie, N., Sekiguchi , S., Watanabe, A., Tsutsuki, K., Yamashita, Y., Melling L., Cawley, K., Shima, E., Jaffé, R. 2014 Dissolved organic matter dynamics in the oligo/meso-haline zone of wetland-influenced coastal rivers. Journal of Sea Research 91: 58-69.
4)Chen M., Maie, N., Parish, K., Jaffe Spatial and temporal variability of dissolved organic matter quantity and composition in an oilgotrophic subtropical coastal wetland. Biogeochemistry 115:167-183.
5)Cawley, K., Yamashita, Y., Maie, N., Jaffé, R., 2013. Using optical properties to quantify fringe
6)Okada, T., Makie, N., Nagasaki, K., Kakino, W., Ebina, H., Tomimasu, R., Kado, Y., Shima, E. 2013 Sediment Environment and Benthic Fauna of Lake Ogawara, Japan. Application of excitation emission matrix fluorescence monitoring in the assessment of spatial and seasonal drivers of dissolved organic matter Applied Geochemistry 27: 917-929.
8)Nishimura, S., Maie, N., Baba, M., Sudo, T., Sugiura, T., 2012, Changes in the quality of chromophoric dissolved organic matter leached from senescent leaf litter during the early decomposition. Journal of Environmental Quality 41: 823-833.
9)Watanabe, A., Moroi, K., Sato, H., Tsutsuki, K., Maie, N., Melling, L., and Jaffe, R., 2012. Contributions of humic substances to the dissolved organic carbon pool in wetlands from different climates. Chemosphere 88: 1265-1268.
10)Jaffé R, Yamashita Y., Maie N., Cooper W.T., Dittmar T., Dodds W.K., Jones J.B., Myoshi T., Ortiz-Zayas J.R., Podgorski D.C., Watanabe A., 2012. Organic Matter in Headwater Streams: Compositional Variability across Climatic Regions of North America. Geochimica et Cosmochimica Acta 94:
11)Abe, Y., Maie, N., Shima, E., 2011. Influence of Irrigated Paddy Fields on the Fluorescence Properties of Fluvial Dissolved Journal of Environmental Quality 40: 1266-1272.
12)Shima, E. 2011 Three-dimensional fluorescence matrix analysis of dissolved organic matter composition: 44.
13)Yamashita, Y., Maie, N., Briceño, H., and Jaffé, R., 2010. Optical characterization of dissolved organic matter in tropical rivers of the Guayana Shield, Venezuela, Journal of Geophysical Research Biogeoscience 115: G00F10, doi:10.1029/2009JG000987.
14)Yamashita, Y., Scinto, L.J., Maie, N., Dissolved organic matter characteristics across a subtropical wetland's landscape: application of optical properties in the assessment of environmental dynamics. Ecosystems 13:1006-1019.
15)Matsuura, Y., Shima, E., Maie, R., 2010. Nitrogen and phosphorus runoff characteristics of cool-temperate black-bok soil paddy fields during rice cropping season. Transactions of the Japanese Society for Rural Engineering 268: 243-250.
16)Kimito Suzuki, Eikichi Shima, Hiroshi Shimada, Katsutoshi Tanaka, Nagamitsu Majika 2010 Topographic analysis of soil erosion in grazed grassland using numerical surface model generated from multi-temporal aerial photographs Photogrammetry and Remote Sensing 49: 219-226.
17)Balcarczyk, K.L., Jones Jr., J.B., Jaffe, R., Maie, N., 2009. Stream dissolved organic matter bioavailability and composition in watersheds underlain with discontinuous permafrost. Biogeochemistry 94: 255-270.
18)Maka, N., 2009 (Lecture) Recent Development of Humic Substance Analysis Methods in Recent Years 1. three-dimensional fluorescence analysis Japanese Journal of Soil Science and Fertilizer 80: 419-426.
19)Watanabe A., Asakawa D., Kawahigashi M., Ote N., Nagao S., Makae N., Kato H., Takenaka M. 2009 (Ref.) Dynamics and functions of dissolved organic carbon (DOC) in soil-river-sea ecosystems. Journal of Soil Science and Fertilizer 80: 89-94.
BLDG. V7, 4TH FLOOR