CAJ | 학술논문

海底热液活动及其周边环境的调查研究是海洋科学领域的热点之一。海底热液喷口环境的物理化学参数，尤其是浅水型热液，会受到潮汐变化的影响。台湾龟山岛靠近冲绳海槽南端分布有多处浅水型热液喷口（＜30 m ）。2010年5月，浙江大学、杭州电子科技大学和台湾中山大学对该海域实施了联合考察，利用电化学传感器获得了低温热液喷口（24.83414°N ，121.96191°E ）连续87 h的温度和pH现场观测数据。基于Morlet复小波变换方法，分析了浅水型热液喷口的温度和pH现场观测时间序列的变化周期，并通过与当地潮汐记录数据作比较，获得了其与潮汐信号之间的潜在关系，证实了潮汐变化是海底白色热泉喷口物理化学参数现场观测最主要的影响因素。温度和pH现场观测数据经Morlet复小波变换后的小波系数分别存在规律的12.9 h和12.5 h变化周期，并且温度的小波系数在准半日周期尺度与潮汐高度呈负相关变化，相关系数为-0.89；p H的小波系数情况相反，相关系数为0.76。
해저열액활동급기주변배경적조사연구시해양과학영역적열점지일。해저열액분구배경적물이화학삼수，우기시천수형열액，회수도조석변화적영향。태만구산도고근충승해조남단분포유다처천수형열액분구（＜30 m ）。2010년5월，절강대학、항주전자과기대학화태만중산대학대해해역실시료연합고찰，이용전화학전감기획득료저온열액분구（24.83414°N ，121.96191°E ）련속87 h적온도화pH현장관측수거。기우Morlet복소파변환방법，분석료천수형열액분구적온도화pH현장관측시간서렬적변화주기，병통과여당지조석기록수거작비교，획득료기여조석신호지간적잠재관계，증실료조석변화시해저백색열천분구물이화학삼수현장관측최주요적영향인소。온도화pH현장관측수거경Morlet복소파변환후적소파계수분별존재규률적12.9 h화12.5 h변화주기，병차온도적소파계수재준반일주기척도여조석고도정부상관변화，상관계수위-0.89；p H적소파계수정황상반，상관계수위0.76。
Investigation into seafloor hydrothermal activity and its surroundings has been one key point of studying ocean sciences .Physical and chemical parameters obtained from the hydrothermal environments would be influ -enced by the tide ,especially from the shallow hydrothermal vent .It is distributing many hydrothermal vents on the less than 30 meter shallow seafloor of Kueishantao Islet ,Northeast offshore Taiwan Island ,close to the south-ern Okinawa Trough .Zhejiang University ,Hangzhou Dianzi University ,and Taiwan Sun Yat-sen University to-gether carried a joint investigation into seafloor hydrothermal near Kueishan island sea area and obtained continuous temperature and pH field observation data of a low-temperature hydrothermal vent (24.83414° N ,121.961 91° E) for about 87 hours .Based on Morlet complex wavelet transform method ,after compared the calculating results with the recorded tidal height variance ,the potential periodic relationship between temperature and pH field ob-served time series of shallow hydrothermal vent and tide signal can be studied .The result evidenced that tide is the main impact factor for field investigating seafloor physical and chemical parameters of white hydrothermal vent . The wavelet coefficients of the in-situ temperature and pH data after Morlet complex wavelet transform exist regu-lar 12.9 h and 12.5 h periods .Besides ,wavelet coefficients of the temperature are negative correlated with the tid-al height at this semi-diurnal time scale with the correlation coefficient -0.89 ,and pH wavelet coefficient is the opposite case with the correlation coefficient 0.76 .