Acidity, Electric Conductivity, Dissolved Oxygen Total Dissolved Solid and Salinity Profiles of Marine Water in Gaza: Influence of Wastewater Discharge

美国分析化学(英文) Pub Date : 2021-01-01 DOI:10.4236/ajac.2021.1211025

Dalia El Nahhal, Ibrahim Y. El-Nahhal, H. A. Najar, M. Al-Agha, Y. El-Nahhal

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引用次数: 1

Abstract

Effects of wastewater discharge on the coastal area in Gaza strip Palestine are not fully investigated. This study investigated the effect wastewater discharge of the physical and chemical properties of marine water in the coastal area over a period of 2 year. Sea water and sediment samples were collected from about 20 different sites. The water and the sediments were collected wastewa-ter/sea water mixing zone at depth 0, 2.5 and 5 m water column depth at a direct wastewater discharging pipe line from different location and similarly from other locations. Water temperature T, electric conductivity (EC), dissolved oxygen (DO), pH, total dissolved solid (TDS) and salinity were determined for water samples using field equipment such as pH-meter, DO meter, TDS-/ and EC-meter. On the other hand, PO − were determined in the laboratory using chemical methods, details are described in materials and method section. Results showed average and standard deviation of T, EC, DO, pH, TDS and salinity were 22.02˚C ± 4.1˚C, EC: 58.41 ± 4.8 ms/cm; DO: 6.96 ± 1.8 mg/L; pH: 7.69 ± 0.37; TDS: 30.51 ± 3.29 and salinity 4.39 ± 0.12 (%); whereas,

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加沙海水的酸度、电导率、溶解氧、总溶解固体和盐度分布:废水排放的影响

废水排放对加沙地带巴勒斯坦沿海地区的影响尚未得到充分调查。本研究历时2年，考察了污水排放对沿海地区海水理化性质的影响。从大约20个不同的地点收集了海水和沉积物样本。水和沉积物分别在水柱深度0、2.5和5 m的污水/海水混合区从不同地点和其他地点的污水直接排放管道处收集。采用pH计、DO计、TDS-/ /和EC-计等现场设备对水样进行水温T、电导率(EC)、溶解氧(DO)、pH、总溶解固形物(TDS)和盐度的测定。另一方面，在实验室用化学方法测定PO−，详情见材料和方法部分。结果表明:T、EC、DO、pH、TDS和盐度的平均值和标准差分别为22.02℃±4.1℃，EC: 58.41±4.8 ms/cm;DO: 6.96±1.8 mg/L;pH: 7.69±0.37;TDS: 30.51±3.29，盐度:4.39±0.12 (%);然而,

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来源期刊

美国分析化学(英文)

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826