- 临海水土志 Línhǎi Shuǐtǔzhì geographic gazetteerSeaboard Geographic Gazetteer (c. 275) by [[沈莹|沈瑩|Shen3 Ying2]]
- 人不可貌相，海水不可斗量 rénbùkěmàoxiàng, hǎishuǐbùkědǒuliáng don't judge appearancesyou can't judge a person by appearance, just as you can't measure the sea with a pint pot
- 海水倒灌 hǎishuǐdàoguàn saltwater intrusion
- 海水养殖 hǎishuǐyǎngzhí maricultureaquaculture