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#自然: "279" 部符合
海洋鮮聞(13)海洋中的湧泉
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民海洋湧升就是海水從較深、水溫較低、養分較高的地方往上移動到海面上的現象。一般海洋湧升現象都發生在哪些海域？怎麼會發生海洋湧升？它又會帶來什麼好處？
海洋鮮聞(14)海水大搬家
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民科學界稱聖嬰現象為海水大搬家的海水流動現象，這現象會造成氣候上極大的天災。到底什麼是聖嬰現象？他會帶來什麼災難？
海洋鮮聞(15)海面下的暗潮洶湧
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民造成內波的擾動力量，主要來自海面上的風與潮汐，目前全世界已知最大的內波位於臺灣西南邊的南海，也就是在臺灣鵝鑾鼻至菲律賓呂宋之間的呂宋海峽。到底什麼是內波？內坡又會帶來什麼好處與壞處？
海洋鮮聞(16)臺灣東岸的海上高鐵
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民黑潮是一條快速流動的「河流」， 它從太平洋東岸的赤道一路往西流，經過臺灣東岸蘭嶼、台東、花蓮，然後往東北流經日本。到底什麼是黑潮？它的流速有多快？能帶來何種豐富的資源？
海洋鮮聞(17)臺灣的海洋湧泉
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民海洋湧泉是海水從較深的地方往上移動到海面上的現象，可提高浮游生物生產力，形成很好的漁場。那黑潮湧升與海洋湧泉有關連嗎？在臺灣東北海域可以捕獲許多鎖管、鯖魚是因為黑潮還是海洋湧泉呢？
海洋鮮聞(18)海洋的溫度
分級:
普遍級片長:
4 min發音:
華語發行:
2018-06導演:
安偉民全球海水溫度的年平均變化幅度大約介於零下2~30℃之間，而全球陸地表面溫度的年平均變化幅度則介於零下30℃到30℃之間。為什麼海水的溫度變化幅度會比地表溫度的變化幅度小這麼多？海洋湧升與環流又如何左右...
海洋鮮聞(19)海洋的鹽度
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民海洋的鹽度是指在１公斤海水裡所含的鹽類總重量，全球海洋表層海水的鹽度的變化最高的地方是是北迴歸線以及南迴歸線附近？海水到底有多鹹？不同的水深會影響海水鹽度的變化嗎？
海洋鮮聞(20)海洋裡的聲音
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民聲音在海洋中傳輸的速度傳輸速度受到水溫與壓力的影響，水溫愈高、壓力愈大聲音跑的速度也都會愈快。聲音在海洋裡傳播的速度到底有多快？在海洋裡，聲因也有高低音的差別嗎？
海洋鮮聞(21)海洋的顏色
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民當我們眺望海洋時，看到的大海是藍色的，但當我們把海水放到玻璃瓶裏的時候，又會發現它是無色的，海水本身既然是無色的，那麼大海又怎麼會是藍色的呢？讓我們一探究竟！
海洋鮮聞(22)海洋裡的氧氣
分級:
普遍級片長:
4 min發音:
華語發行:
2018-06導演:
安偉民海水裡氮氣約占二分之一，氧氣約占五分之二，氧氣濃度會隨著海水深度增加而降低，那為什麼非常深的海洋仍然有海洋生物可以活下來？
海洋鮮聞(23)海洋的死亡區
分級:
普遍級片長:
3 min發音:
華語發行:
2018-06導演:
安偉民空氣裡如果沒有氧氣，人類就不能生存；相同的，海水裡如果沒有足夠的氧氣，就為威脅到海洋裡的生命，因此我們把這些缺氧的區域稱為海洋死亡區。全球海洋死亡區的位置在哪裡？
海洋鮮聞(24)海洋的酸與鹼
分級:
普遍級片長:
4 min發音:
華語發行:
2018-06導演:
安偉民有一種說法海洋裡的二氧化碳太高，讓原本應該是弱鹼反應的海洋變成酸性反應，造成了缺氧的情形，因而發生了兒億五千萬年前生物大滅絕事件，為什麼海洋的酸性與鹼性這麼重要？
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