Abstract

Assessment of Natural Radionuclides and Heavy Metal Concentrations in Marine Sediments in View of Tourism Activities in Hurghada City, Northern Red Sea, Egypt

Highlights

  • The main environmental problems and threats to the Red Sea coasts and aquatic environment locations include oil pollution, water pollution, solid waste disposal, navigation activities, phosphate ship pollution and fishing activities.[1]

  • The content of organic matter in sediment samples vary from 6.90% to14.40% (Safier Hotel) and from 3.10% to 42.35% (NIOF) as shown in Table 3 and Figure 3

  • The highest concentrations of Cu, Zn, Cd and Co were found in sediment samples from National Institute of Oceanography and Fisheries (NIOF) area

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Summary

Introduction

The main environmental problems and threats to the Red Sea coasts and aquatic environment locations include oil pollution, water pollution, solid waste disposal, navigation activities, phosphate ship pollution and fishing activities.[1]. Among the rock constituent minerals, there are natural radionuclides that contribute to the ionising radiation exposure on earth.[6] The natural radionuclides of the uranium and thorium series and 40K as well as the artificial radionuclides of 137Cs, 90Sr and 239+240Pu are the major longlived radionuclides already present or introduced into seas.[7] Biological effects of radionuclides in humans are due to physical and chemical processes that occur immediately after the passage of radiation through living matter.[8,9] the knowledge of concentration and distribution of natural radionuclide in the sediments along Red Sea coasts and aquatic environmental locations are of great interest since it provides useful information in monitoring the environmental contamination and associated human health by natural radioactivity. Assessing and tracking the abundance of these heavy metals in coastal ecosystem are an important task

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