
A23海水性質的觀測
Authored by 光正 王
Science
9th - 12th Grade
Used 31+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
受溫度及鹽度的影響,哪一緯度的海水密度會最大?
高緯度
中緯度
低緯度
都有可能
Answer explanation
高緯度海水的鹽度不高力但與其他地區的海水鹽度差異不大,對海水密度的影響不如溫度,,因高緯度地區海水溫度受氣溫影響,較有機會達到海水的最大密度
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
附圖為太平洋某處利用CTD重複多次測量所得的溫鹽圖,請問圖中顯示此處有幾種水團?
1種
2種
3種
4種
Answer explanation
溫鹽圖曲線線端點轉折處各代表一種水團特性因部分混合而在溫鹽圖中呈現續曲線
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
溫鹽深儀(CTD)測量鹽度的方法是
採集海水後利用蒸發法測鹽度
利用滴定法測得氯離子濃度再加以估計
利用海水的導電度估計
利用透明度推測
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
海水可分成混合層、斜溫層和深水層,此分法是利用海水的哪一性質的分層?
鹽度
溫度
密度
聲速
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
海水中傳遞聲音速度最慢的大約是在哪一層?
混合層
斜溫層
深水層
對流層
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
關於水團和海流的敘述,下列何者為非?
表面海流主要受風的吹送而流動
深層海流靠密度的差異而移動
不同水團的溫度和鹽度不同
不同水團不會混合成另一水團。
Answer explanation
不同海水水團可混合成不同性質的水團,只是混合成大規模的水團需要較長時間
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是人造衛星無法進行的海洋觀測?
海水鹽度
海洋水色
海面風向
海面溫度
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