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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.18, no.4, 2000³â, pp.425-440
¿ï¸ªµµ¿Í µ¶µµ ±ÙÇØÇØ¿ªÀÇ À̤ýÈ­ÇÐÀû Ư¼º°ú ±¤ÇÕ¼º»ö¼ÒÀÇ °èÀýÀû º¯È­
( Seasonal Variations of Physico-Chemical Characteristics and Phytoplanktonic Pigments in Coastal Sea Water from Ullungdo and Dokdo Islands )
Á¤Áö¾È;Á¶Àº¿µ;Â÷ÀçÈÆ;±è¹Ì°æ;±è±âÅÂ; ¿µ³²´ëÇб³ ´ëÇпø ÇØ¾çÀÚ¿øÇаú ¹× ÇØ¾ç°úÇבּ¸¼Ò;¿µ³²´ëÇб³ ´ëÇпø ÇØ¾çÀÚ¿øÇаú ¹× ÇØ¾ç°úÇבּ¸¼Ò;¿µ³²´ëÇб³ ´ëÇпø ÇØ¾çÀÚ¿øÇаú ¹× ÇØ¾ç°úÇבּ¸¼Ò;Çѱ¹¼ö±Çȯ°æ¿¬±¸¼¾ÅÍ;¿µ³²´ëÇб³ ´ëÇпø ÇØ¾çÀÚ¿øÇаú ¹× ÇØ¾ç°úÇבּ¸¼Ò;
 
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¿ï¸ªµµ¿Í µ¶µµ ±ÙÇØ ÇØ¼öÀÇ ÀÌÈ­ÇÐÀû Ư¼º°ú ±¤ÇÕ¼º »ö¼ÒÀÇ º¯È­¸¦ 5¿ù, 6¿ù, 8¿ù°ú 11¿ù¿¡ ¿ï¸ªµµ 5°³ Á¤Á¡, 6¿ù, 8¿ù°ú 11¿ù¿¡ µ¶µµÀÇ 3°³ Á¤Á¡¿¡¼­ °èÀýº°·Î Á¶»çÇÏ¿´´Ù. ¼ö¿ÂÀº ¼ö½É¿¡ µû¸¥ º¯È­°¡ Àû¾úÀ¸¸ç, 8¿ù¿¡´Â ¼ö¿Â ¾àÃþÀÇ Çü¼ºÀÌ µÎµå·¯Á³°í, Ư¡ÀûÀ¸·Î ¿ï¸ªµµ¿¡¼­ 11¿ùÀÇ Ç¥Ãþ¼ö¿Â(20.5$^{circ}C$)ÀÌ ±â»óÀÇ ±â¿Â(9.9$^{circ}C$)º¸´Ù ³ô°Ô ³ªÅ¸³µ´Ù. ÀÌ·¯ÇÑ °èÀýÀû º¯È­´Â ¿°ºÐ¿¡¼­µµ ³ªÅ¸³µÀ¸¸ç, 5¿ù¿¡´Â Àú¿Â °í¿° (15.4$^{circ}C$, 34.4 psu), 11¿ù¿¡´Â °í¿Â Àú¿°(20.5$^{circ}C$, 32.8 psu)ÀÇ Ç¥Ãþ¼ö°¡ ¿ï¸ªµµ¿Í µ¶µµ ±ÙÇØ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¼ö¼ÒÀ̿³óµµ(pH)ÀÇ °æ¿ì ÀüüÀûÀ¸·Î º¯È­°¡ ¾ø°í(¿ï¸ªµµ, µ¶µµ : 7.7-8.4), ¾ÈÁ¤ÀûÀ̾ À°ÁöÀÇ ¿µÇâÀ» ¹ÞÁö ¾ÊÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿µ¾ç¿°·ùÀÇ ³óµµ´Â ¿ï¸ªµµ¿¡¼­ Áú»ê¿°(¿ï¸ªµµ ÃÖ°íÄ¡ : 0.10-11.50$mu extrm{g}$/l, 8¿ù; µ¶µµ ÃÖ°íÄ¡: 2.92-8.10$mu extrm{g}$/l, 8¿ù)°ú ¾Ï¸ð´½ ³óµµ(¿ï¸ªµµ ÃÖ°íÄ¡ : 14.18-20.69$mu extrm{g}$/l, 11¿ù : µ¶µµ ÃÖ°íÄ¡: 0-1.78$mu extrm{g}$/l, 6¿ù)°¡ µ¶µµº¸´Ù ºñ±³Àû ³ô°Ô ³ªÅ¸³µ´Ù. ¿±·Ï¼Ò aÀÇ ³óµµ´Â 8¿ù¿¡´Â ÀúÃþ¿¡¼­ ³ôÀº ³óµµ(¿ï¸ªµµ 30m: 0.85$mu extrm{g}$/l : µ¶µµ 50m: 1.02$mu extrm{g}$/l) ¸¦ º¸¿´À¸¸ç, 5¿ù, 6¿ù°ú 11¿ù¿¡´Â ÀüÃþ¿¡¼­ °í¸£°Ô ºÐÆ÷ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ °á°ú·Î º¸¸é 8¿ùÀÇ ¼ö¿Â ¾àÃþÀÇ Çü¼ºÀ¸·Î ÀÎÇÏ¿© ½Ä¹°ÇöûũſÀÇ °³Ã¼±ºÀÌ À¯±¤Ãþ³»ÀÇ ÀúÃþ¿¡¼­ ³ô¾Ò°í, ±× ¿ÜÀÇ °èÀý¿¡¼­´Â º¹ÀâÇÑ ÇØ·ùƯ¼º°ú ¼öÃþÈ¥ÇÕÀ¸·Î ½Ä¹°ÇöûũſÀÌ Ç¥Ãþ°ú ½É¼öÃþ¿¡ °í¸£°Ô ºÐÆ÷ÇÑ´Ù°í °£ÁֵȴÙ.
The physico-chemical characteristics and the concentrations of chlorophylls of coastal seawater were investigated to know the seasonal variations of biological oceanographic environments in the Islands of Ullungdo(U) and Dokdo(D). The samplings of sea water according to different depths were performed four seasons (May, June, August and November) in five stations along the coast of Ullungdo Island and 3 times (June, August and November) in three stations around the coast of Dokdo Island. The seasonal variations of sea water temperature showed that the formation of thermocline in August was distinct in comparison to the other seasons. The sea water in the surface was influenced by low temperature-high salinity in May and with high temperature-low salinity in the investigated area. The amount of seston was high in May (5.3-15.0mg/l) and was low in August (1.4-4.9mg/l) in ullungdo island. for the nutrients or sea water in Ullungdo Island, the concentrations of nitrate and ammonium were higher than Dokdo Island (nitrate-max. of U in August : 0.10-11.50$mu extrm{g}$/1, max. of D in August : 2.92-8.10$mu extrm{g}$/l : ammonium-max. of U in November : 14.18-20.69$mu extrm{g}$/l, max. of D in June : 0-1.78 $mu extrm{g}$/l). The high concen-tration of chlorophylls showed on the deeper layer from 30 m to 50 m in August (U 30 m : 0.85$mu extrm{g}$/l ; D 50m : 1.02 $mu extrm{g}$/l), while the concentrations of chlorophylls were even in May, June and November in the deeper layer of surface layer. In conclusion, the establishment of thermocline in deeper area of the euphotic layer in August was a trigger far the development of phytoplankton, while the complex physico-chemical system by diverse currents and vertical mixing of sea water in the area induced the even distribution of phytoplankton in both epilimnion and hypolimnion in May, June and November.
 
Ű¿öµå
Physico-chemical characteristics;Phytoplanktonic pigment;Ullungdo;Dokdo;
 
ȯ°æ»ý¹° / v.18, no.4, 2000³â, pp.425-440
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921492039)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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