来自海底电力电缆的电磁场:对水生生物群的影响的35年综合
Elizabeth James1, Mojtaba Ghodsi2, Alex T Ford1
1Institute of Marine Science, School of the Environmental and Life Sciences, University of Portsmouth, UK.
Marine environmental research
|February 12, 2026
概括
来自海底电缆的电磁场 (EMF) 影响水生生物,特别是年轻动物和磁敏感物种,如鱼类和甲类动物. 需要对长期影响进行更多的研究.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
背景情况:
- 海上可再生能源开发使用海底电缆 (SPC).
- SPC会发射电磁场 (EMF),可能会影响水生生物.
- 缺乏对EMF对水生生物群的影响的系统综合.
研究的目的:
- 系统地审查和综合从SPC中EMF对水生生物的观察到的影响.
- 识别敏感的种类,生命阶段和生物背景.
- 突出研究缺口,并为海上可再生能源的风险评估提供信息.
主要方法:
- 按照PRISMA 2020指南进行的系统文献审查 (PROSPERO ID: 1138188).
- 选了1637个记录,包括同行评审和灰色文献 (1990-2024年).
- 包括67项符合条件的实地和实验室研究.
主要成果:
- 66%的研究报告了对电磁场暴露的显著行为和生理反应.
- 早期生命阶段 (胚胎,幼虫,幼虫) 和磁敏类 (鱼类,甲类) 最受影响.
- 在环境相关的EMF强度 (<250μT) 观察到效应;实验室研究比现场研究更频繁地检测到效应.
结论:
- 来自SPC的电磁场可以在水生生物中引起生态相关的反应,特别是在敏感的发育阶段和磁感应物种中.
- 对电磁场的性别特异性反应是一个重要的,未被充分认识到的因素.
- 需要进一步研究慢性,人口和生态系统层面的影响,采用标准化的方法,并纳入性别和生命阶段变量.
相关概念视频
01:30Electromagnetic Fields
2.8K
Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
However, the observation of...
However, the observation of...
2.8K
01:29Cable: Problem Solving
709
When dealing with a cable that is fixed to two supports and subjected to uniform loading, it is crucial to determine the maximum tension in the cable. This process can be broken down into several key steps, as outlined below:
709
02:37The Electromagnetic Spectrum
65.6K
The electromagnetic spectrum consists of all the types of electromagnetic radiation arranged according to their frequency and wavelength. Each of the various colors of visible light has specific frequencies and wavelengths associated with them, and you can see that visible light makes up only a small portion of the electromagnetic spectrum. Because the technologies developed to work in various parts of the electromagnetic spectrum are different, for reasons of convenience and historical...
65.6K
01:24The Electromagnetic Spectrum
33.9K
Electromagnetic waves are categorized according to their wavelengths and frequencies, giving the electromagnetic spectrum. These waves are classified as radio, infrared, ultraviolet, etc. Radio waves refer to electromagnetic radiation with wavelengths ranging from millimeters to kilometers. Radio waves are commonly used for audio communications (i.e., radios) and typically result from an alternating current in the wires of a broadcast antenna. They cover a broad wavelength range and are used...
33.9K
02:59Biological Effects of Radiation
18.1K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
18.1K
01:13Cable Subjected to Its Own Weight
807
Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
807