ããã«ã¡ã¯ïŒããã§ãã ããªãŒãã£ã³ã°ã®éãâä»æ¥ã®éæ床ã¯ã©ããããã§ããïŒâãšãããã€ãã³ã°ãçµãã£ãŠãã°ä»ããããéãâéèŠåºŠã¯ã©ã®ãããã§ãããïŒâãšã¬ã€ããã€ã³ã¹ãã©ã¯ã¿ãŒã«èãããããŸããïŒ ãã€ãã³ã°ã«ãããŠã¯éæ床ãšéèŠåºŠãæ°Žäžã«ãããæ¹åã§äœ¿ãåããŠããããšãå€ãã§ãã ãŸãéæ床ããã€ãã³ã°ã«ãããŠã¯æ°Žäžã§äžäžæ¹åã«ã©ã®ãããèŠçãå©ãããè¡šããŠããŸãã åŠè¡çã«ã¯ãçŽåŸ25ïœ30cmã®çœè²ã®åæ¿ïŒéæ床æ¿åã¯ã»ãããŒåæ¿ãšåŒã°ãããã®ïŒãæ°Žäžã«æ²ããŠãããèå¥ã§ããªããªãæ·±ããè¡šãããã§ããæ¥æ¬ã®æ¹ã§æãéæ床ãé«ãã®ãæ©åšæ¹ïŒåæµ·éïŒã§ã17.2m(2015,8)ãã¡ãªã¿ã«1930幎ã«ã¯41.6mãèšé²ããåœæã®äžçèšé²ã§ããïŒ äžçã§ã¯ããã€ã«ã«æ¹ïŒãã·ã¢ïŒã¯æªã ã«40m以äžã®éæ床ãä¿ã£ãŠããŸããæµ·ã§ã¯ãã©ãªã®ãã³ã°ããŒãããããã®ãµã³ãã©ã¹è«žå³¶ããããŠã€ã¿ãªã¢ã®ã©ã³ããã¥ãŒãµå³¶ãªã©ãéæ床ãé«ãã§ããäžã§ããã©ã³ããã¥ãŒãµå³¶ã®æµ·ã¯éæ床ãé«ãããŠããŒããå®ã«æµ®ããŠèŠããããã§ãïŒãããã§ããã éæ床ã®è¯ãæªãã«é¢ããå åã¯ããããããããã§ãããäžçªå€§ããªçç±ã¯æ€ç©æ§ãã©ã³ã¯ãã³ãšåç©æ§ãã©ã³ã¯ãã³ãååšãããã©ã³ã¹ã«åœ±é¿ãããŸãã æ€ç©æ§ãã©ã³ã¯ãã³ã¯å
åæãããå¿
èŠãããããã沿岞ãªã©ã®æµ
ãæ°Žåã«ããŠãç·è²ãè¶è²ãããŠããŸãããŸããåç©æ§ãã©ã³ã¯ãã³ã¯éæã§ããã€ãŸããæ€ç©æ§ãã©ã³ã¯ãã³ãå€ããšæ°Žãæ¿ããå°ãªããšéæ床ãäžãããŸãããã³ããŠã芳å¯ã§ãããã€ããµã€ãã§ããªãã¿ã®ããµããã島åšèŸºãäŸã«æããŸããšãã¡ããã©ä»é ãŸã§(ïœ5æ) æ°Žæž©25ïœ30âãéæ床10ïœ20mã ã£ããã®ãã6æã«å
¥ããšæ°Žæž©ã20â以äžã«äžãããéæ床ã¯20m以äžã«äžãããŸããããã¯æµ
ãæ°Žåã®æ€ç©æ§ãã©ã³ã¯ãã³ãå«ãã æ°Žãã深海ãã湧ãäžãã£ãŠããåç©æ§ãã©ã³ã¯ãã³ãå«ãã æ°Žã«æŒãæµãããããã§ããããã«ãã£ãŠå·ãã深海ã§éããããšã®å€ãã£ããã³ããŠãæ°Žé¢è¿ãã«ããçŸããããã«ãªããããµãããæµ·åã§ãã³ããŠãèŠãããšãã§ããã®ã§ãã éæ床ã«ã€ããŠã¯ãããŒããã€ãã³ã°ã§æ°Žé¢ãç©ãããªæã¯ããŒãã®äžããæ°ŽåºãèŠããããã§ãã¯ããããæœã£ãŠãããã€ãã³ã³ãã¥ãŒã¿ãŒã§æ·±åºŠã確èªããŠäžãèŠäžããŠããŸãã äžæ¹ã§éèŠåºŠã¯ãã€ããŒã®é²ãæ°Žå¹³æ¹åã®èŠãæ¹ãè¡šããã®ã§ããéèŠåºŠã«ã€ããŠã®åŠè¡çææšã¯ãéèŠåºŠèšãšããéå
·ã䜿ããéèŠåºŠèšã«æ¿æ°Žãå
¥ããŠãäžããã®ãããªããäžæ¹ã®ãã¬ã³ã³ãã¯ãéããå°ããã€æ°ŽãæããŠãã£ãŠãåºã«è¡šç€ºããŠããäºéååãèŠããæã®æ°Žã®é«ãã§è¡šããŸãããã€ãã³ã°ã«ããã枬ãæ¹ã¯ç®èŠã§ãå°åœ¢ãæ°Žäžã®ã©ã³ãããŒã¯ïŒæ²æ²¡è¹ãªã©ïŒãä»ã®ãã€ããŒãšã®è·é¢ãªã©ãåèã«ããŠãç¥ããããŠããŸãã ãã€ãã³ã°ã«ãããéæ床ãéèŠåºŠã¯ç®èŠã«ãããã®ãªã®ã§ãèªåãªãã«æž¬ã£ãŠã¿ãŠã¬ã€ããã€ã³ã¹ãã©ã¯ã¿ãŒãšæ¯ã¹ãŠã¿ãŠã¯ãããã§ããããïŒ