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219663

Environmental Characteristics of the Red Sea Waters in Front of El-Ghardaqa, Egypt

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Last updated: 22 Jan 2023

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Abstract

El-Ghardaqa [Hurgada] city occupies the north eastern part of the Egyptian coast of the Red Sea between latitude 27° 05' and 27° 30' N and Longitude 33° 37' and 34° O' E. Seasonal and regional variations of temperature, salinity, pH, alkalinity, dissolved oxygen, oxidizable organic matter and total suspended matter in the coastal water in front of El-Ghardaqa were studied. The surface water temperature ranged between 17.25-28.84°C and it was mostly influenced by air temperature. The maximum monthly average salinity value in July was 41.54% and the minimum lowest value was 41.35%. This high salinity value reflects the unique character of the Red Sea as the most saline body of water in the world ocean. The pH content fluctuated between 8.15 and 8.17. Total alkalinity values ranged from 2.891-3.037 meq 1-1. Dissolved oxygen shows values ranged from 5.42 to 5.82 mg O2 l-1. Oxidizable organic matter content fluctuated from 0.58-1.0 mg 02 I-1. Suspended matter contents ranged from 26.90-29.01 mg l-1. When we compare our data with those collected of more than 10 years, we found a decrease in dissolved oxygen content and an increase in the values of oxidizable organic matter concentrations, this means that El-Ghardaqa area began to suffer from pollution. 

DOI

10.21608/jhiph.2002.219663

Keywords

Temperature, salinity, pH, Alkalinity, dissolved oxygen, Oxidizable organic matter, Suspended matter, Red Sea

Authors

First Name

Thanaa

Last Name

Mahmoud

MiddleName

H.

Affiliation

National Institute of Oceanography and Fisheries, Kayet Bey, Alexandria, Egypt

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First Name

Mohamed

Last Name

El-Deek

MiddleName

S.

Affiliation

National Institute of Oceanography and Fisheries, Kayet Bey, Alexandria, Egypt

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City

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Orcid

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First Name

Mahmoud

Last Name

Said

MiddleName

M.

Affiliation

National Institute of Oceanography and Fisheries, Kayet Bey, Alexandria, Egypt

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Volume

32

Article Issue

1

Related Issue

29923

Issue Date

2002-01-01

Receive Date

2022-02-15

Publish Date

2002-01-01

Page Start

113

Page End

126

Print ISSN

2357-0601

Online ISSN

2357-061X

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https://jhiphalexu.journals.ekb.eg/article_219663.html

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https://jhiphalexu.journals.ekb.eg/service?article_code=219663

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6

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Original Article

Type Code

511

Publication Type

Journal

Publication Title

Journal of High Institute of Public Health

Publication Link

https://jhiphalexu.journals.ekb.eg/

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Created At

22 Jan 2023