caa a22 4500 465811256 CHVBK 20180323112116.0 cr unu---uuuuu 170327e19900401xx s 000 0 eng 10.1007/BF02124814 doi (NATIONALLICENCE)springer-10.1007/BF02124814 Nitrogen budget in Tokyo Bay with special reference to the low sedimentation to supply ratio [Elektronische Daten] [Yasuo Matsukawa, Katsuyuki Sasaki] In order to determine why the sedimentation to supply ratio of nutrients in Tokyo Bay is markedly small, the nitrogen budget was investigated for 1979, when a systematic and continuous observation of flow and salinity was carried out. The data were analyzed by use of a simple advective-diffusive box model and dissolved oxygen balance in the lower layer was also examined. The calculated values of two-layer flow, settling, primary production, mineralization, denitrification, and dissolved oxygen consumption were comparable to those observed. The factors making the sedimentation to supply ratio makedly small were summarized as: 1) a strong and stable two-layer flow generated by a large freshwater supply, 2) further intensification of this two-layer flow by the northern winter monsoon, 3) coincidence of the discharge region with the supply region of nutrients caused by the transverse inclination of the interface, probably due to the earth's rotation. 4) effective discharge of nutrients from the bay due to a strong tidal flow and a possible cyclonic tidal residual circulation in the inner bay mouth, 5) incomplete consumption of nutrient salts by phytoplankton in the upper layer even in the most productive season, and 6) possible denitrification in the anaerobic bottom water in summer and in the bottom sediment itself throughout the year in the inner bay. Oceanographical Society of Japan, 1989 Matsukawa Yasuo National Research Institute of Fisheries Science, 5-5-1 Kachidoki, Chuo-ku, 104, Tokyo, Japan aut Sasaki Katsuyuki National Research Institute of Fisheries Science, 5-5-1 Kachidoki, Chuo-ku, 104, Tokyo, Japan aut Journal of the Oceanographical Society of Japan Kluwer Academic Publishers 46/2(1990-04-01), 44-54 0029-8131 46:2<44 1990 46 10872 https://doi.org/10.1007/BF02124814 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02124814 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Matsukawa Yasuo National Research Institute of Fisheries Science, 5-5-1 Kachidoki, Chuo-ku, 104, Tokyo, Japan aut NATIONALLICENCE 700 1- Sasaki Katsuyuki National Research Institute of Fisheries Science, 5-5-1 Kachidoki, Chuo-ku, 104, Tokyo, Japan aut NATIONALLICENCE 773 0- Journal of the Oceanographical Society of Japan Kluwer Academic Publishers 46/2(1990-04-01), 44-54 0029-8131 46:2<44 1990 46 10872 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer