| QI Xiaohong,LIU Sumei,ZHANG Jing,REN Jingling,ZHANG Guiling.Cycling of phosphorus in the Jiaozhou Bay[J].Acta Oceanologica Sinica,2011,(2):62-74 |
| Cycling of phosphorus in the Jiaozhou Bay |
| Cycling of phosphorus in the Jiaozhou Bay |
| 投稿时间：2010-01-12 修订日期：2010-07-02 |
| DOI：10.1007/s13131-011-0106-7 |
| 中文关键词: phosphorus cycling suspended particulate matter sediment rive the Jiaozhou Bay |
| 英文关键词:phosphorus cycling suspended particulate matter sediment rive the Jiaozhou Bay |
| 基金项目:The National Basic Research Program of China under contract No. 2010CB428901; the National Natural Science Foundation of China under contract Nos 40206017 and 40925017; Basic Research Program of Science and Technology of the Ministry of Education under contract No. 108081. |
| 作者 | 单位 | E-mail | | QI Xiaohong | Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education, Ocean University of China, Qingdao 266100, China | | | LIU Sumei | Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education, Ocean University of China, Qingdao 266100, China | sumeiliu@ouc.edu.cn | | ZHANG Jing | Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education, Ocean University of China, Qingdao 266100, China
State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China | | | REN Jingling | Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education, Ocean University of China, Qingdao 266100, China | | | ZHANG Guiling | Key Laboratory of Marine Chemistry Theory and Technology Ministry of Education, Ocean University of China, Qingdao 266100, China | |
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| 中文摘要: |
| Dissolved inorganic phosphorus (DIP), dissolved organic phosphorus (DOP), particulate inorganic phosphorus (PIP) and particulate organic phosphorus (POP) in the Jiaozhou Bay (JZB) and its adjacent major rivers were analyzed during 2001-2003. DIP was the major form of dissolved phosphorus in JZB, representing 62%-83% of the total dissolved phosphorus (TDP), and the PIP concentration generally exceeded the POP concentration. The concentrations of phosphorus were higher in the north than in the south of the bay, which were related to the fluvial input and water exchange rate. The dissolved phosphorus concentrations were higher in the autumn and spring than in the summer, while the seasonal variation of particulate phosphorus showed opposite pattern. The distribution of phosphorus is mainly affected by the growth of phytoplankton, desorption/adsorption of DIP from and to particulates, and anthropogenic activities. A preliminary phosphorus budget was established. In JZB, riverine input and water exchange flow between JZB and the Huanghai (Yellow) Sea are the major sources of phosphorus, followed by industrial and domestic waste transport, and then atmospheric deposition. Phosphorus burial efficiency is estimated to be 91%. About 52.2×106 mol/a of phosphorus were assimilated by phytoplankton, of which about 68% was recycled in the water column and sediment. |
| 英文摘要: |
| Dissolved inorganic phosphorus (DIP), dissolved organic phosphorus (DOP), particulate inorganic phosphorus (PIP) and particulate organic phosphorus (POP) in the Jiaozhou Bay (JZB) and its adjacent major rivers were analyzed during 2001-2003. DIP was the major form of dissolved phosphorus in JZB, representing 62%-83% of the total dissolved phosphorus (TDP), and the PIP concentration generally exceeded the POP concentration. The concentrations of phosphorus were higher in the north than in the south of the bay, which were related to the fluvial input and water exchange rate. The dissolved phosphorus concentrations were higher in the autumn and spring than in the summer, while the seasonal variation of particulate phosphorus showed opposite pattern. The distribution of phosphorus is mainly affected by the growth of phytoplankton, desorption/adsorption of DIP from and to particulates, and anthropogenic activities. A preliminary phosphorus budget was established. In JZB, riverine input and water exchange flow between JZB and the Huanghai (Yellow) Sea are the major sources of phosphorus, followed by industrial and domestic waste transport, and then atmospheric deposition. Phosphorus burial efficiency is estimated to be 91%. About 52.2×106 mol/a of phosphorus were assimilated by phytoplankton, of which about 68% was recycled in the water column and sediment. |
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