Lecture Marine environmental studies - Topic: Ballast water

In the past, ships used solids as ballast; this included metals, sand and rocks. Today, ships use sea water as ballast and it is referred to as ballast water. It is therefore very normal for ships to pump in ballast water at one port and discharge at the loading port before taking cargo. In this chapter you will be able to understand ballast water.

Từ khóa: Marine environment, Marine environmental studies, Lecture Marine environmental studies, Môi trường biển, Nghiên cứu môi trường biển, Ballast water