Characteristics of the Tidal Currents and Internal Waves in Zanpa-Seaarea of Okinawa Island, South of Japan

Kitamura, Yasushi; Nakaza, Eizo; Tsukayama, Seikoh; Tamashiro, Kouji; Rahaman, S.M.B.

doi:10.2208/jscej.2004.768_131

Cited by 2 publications

(1 citation statement)

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“…Study results showed that the current field outside the Shiraho reef area was mainly dominated by semidiurnal tides. Harmonic tidal analysis of 8 principle tidal constituents (M 2 , S 2 , N 2 , K 2 , K 1 , O 1 , P 1 and M m ) indicated that M 2 and S 2 tidal components mainly influenced the general circulation pattern of the Okinawa offshore region (Kitamura et al, 2004). Both the incoming and outgoing currents in the offshore region were found to flow in a nearly parallel direction to the north-south stretch of the Shiraho reef area.…”

Section: Discussionmentioning

confidence: 95%

Seasonal Variation in Water Circulations and Its Impact on Thermal Environment in a Coral Reef Area of Southwest Japan

Rahaman

Nakaza

2022

Khulna Univ. Stud.

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Summer and wintertime observations were conducted through deploying horizontal oceanographic time series sensors in a coral reef region of Southwest Japan to assess the existing hydrodynamic and thermal environments in relation to seasonal changes. A significant variation in water circulation and temperature distribution pattern was recorded in Shiraho reef area between two different seasons. During winter, a strong inflow of oceanic water was recorded inside the reef on a semidiurnal pattern that led to significant water temperature rising while in summer, considerable amount of sea water entered the reef area with a diurnal frequency causing water temperature slightly lower. Outside the reef, current was found to flow nearly parallel in direction to the north-south stretch of the reef.

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Section: Discussionmentioning

confidence: 95%