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Min Xueyi(the Late), Chen Guohua, Li Feijyong, Yu Chunxiu. DETERMINATION OF SPECIFIC GRAVITY OF SEA WATER FROM THE ESTUARY OF CHANGJIANG RIVER[J]. Haiyang Xuebao, 1980, 2(4): 86-92.
Citation:
Min Xueyi(the Late), Chen Guohua, Li Feijyong, Yu Chunxiu. DETERMINATION OF SPECIFIC GRAVITY OF SEA WATER FROM THE ESTUARY OF CHANGJIANG RIVER[J]. Haiyang Xuebao, 1980, 2(4): 86-92.
Min Xueyi(the Late), Chen Guohua, Li Feijyong, Yu Chunxiu. DETERMINATION OF SPECIFIC GRAVITY OF SEA WATER FROM THE ESTUARY OF CHANGJIANG RIVER[J]. Haiyang Xuebao, 1980, 2(4): 86-92.
Citation:
Min Xueyi(the Late), Chen Guohua, Li Feijyong, Yu Chunxiu. DETERMINATION OF SPECIFIC GRAVITY OF SEA WATER FROM THE ESTUARY OF CHANGJIANG RIVER[J]. Haiyang Xuebao, 1980, 2(4): 86-92.
The specific gravity of 13 sea water samples from the estuary of Changjiang River at 25℃ has been determined by the pycnometer method.The results are consistent with the values computed from Knudsen's chlorinity tables within the experimental error of the method and are lower on an average of about 0.02 in sigma-25 than the values computed from the salinity by Cox,et al. equation(1970).The standard deviation of our measurements was estimated to be ±0.01 in sigma -25. The differences between the present results and the values computed from the chlorinity by Cox, et al. equation (1970) may imply that, for water of the same chlorinlty,the sea water at the estuary of Changjiang River tends to have a lower concen tration of dissolved substances than that of the ocean water. Our work shows that the Knudsen's tables may apply to the sea water at the estuary of Changjiang River,and also provides experimental evidence that the new oceanographic tables can be applied in studies on the Sea water of China Sea areas.
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