The study of the physical, chemical and biological aspects of the ocean is known as oceanography. Some of the topics covered under the subject of oceanography are ocean currents, waves, ecosystem dynamics, geology of the sea floor, etc. The subject of oceanography is mainly divided into geological oceanography, chemical oceanography, biological oceanography and physical oceanography. It is very important in today's time, as it helps us in developing a better understanding of the ocean. Different approaches, evaluations, methodologies and advanced studies on oceanography have been included in this book. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included herein. This book is a vital tool for all researching and studying this field.