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The Need for Precision in Mapping The Seabed

Mohd. Razali Mahmud, (2006) The Need for Precision in Mapping The Seabed. In: Hydrography Survey: Current Trends, Techniques and Applications. Penerbit UTM, Johor , 12 - 39. ISBN 978-983-52-0581-1

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Abstract

The earth on which we live is a unique particle of the planetary system to which it belongs. It is a nearly perfect globe with as its most spectacular features, the tremendous amount of free water surrounding it in the form of ice, water and vapour. The water covers 70.8% of the total global surface. With a global radius of about 6,370 km, the total earth’s surface amounts to around 509,900,000 km 2 , of which about 361,000,000 km 2 are covered with water. The average depth of the earth’s ocean and sea amounts to 3,800 m, so that the total amount of water contained in the oceans and seas adds up to about 1,372,000,000 km 3 (Langeraar, 1984). Besides, more than 98% of the biological living space exists in the oceans (Blondel and Murton, 1997) and the seabed has become of ever-increasing interest in a world where the reserves of nonrenewable natural resources are diminishing on the earth’s land areas. The need for the economical exploration of the mineral resources of the seafloor, both above and beneath the seabed, has led to the expansion of offshore exploration. For these reasons, the technologies of seabed mapping changes rapidly since the last two decades as to fulfill the society needs.

Item Type:Book Section
Subjects:Unspecified
Divisions:Geoinformation Science And Engineering (Formerly known)
ID Code:25742
Deposited By: Liza Porijo
Deposited On:05 Jun 2012 04:20
Last Modified:05 Jun 2012 04:20

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