How far does light travel into the ocean?

Benjamin Keebler asked a question: How far does light travel into the ocean?
Asked By: Benjamin Keebler
Date created: Sun, Apr 4, 2021 1:02 PM

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Those who are looking for an answer to the question «How far does light travel into the ocean?» often ask the following questions:

❔ How many miles does light travel into the ocean?

Light may be detected as far as 1,000 meters down in the ocean, but there is rarely any significant light beyond 200 meters. The ocean is divided into three zones based on depth and light level. Although some sea creatures depend on light to live, others can do without it.

❔ How deep can light travel into the ocean?

There is no "usable" light agter 200 meters...

❔ How far down into the ocean can light travel?

How far does light travel in the ocean? Light may be detected as far as 1,000 meters down in the ocean , but there is rarely any significant light beyond 200 meters. The ocean is divided into three zones based on depth and light level.

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Home Ocean Facts How far does light travel in the ocean? Light may be detected as far as 1,000 meters down in the ocean , but there is rarely any significant light beyond 200 meters. The ocean is divided into three zones based on depth and light level.

How far does light travel in the ocean? Light in the ocean decreases with depth, with minimal light penetrating between 200-1,000 meters (656-3,280 feet) and depths below 1,000 meters receiving no light from the surface.

Once it is within the water, light may be scattered or absorbed by solid particles. Most of the visible light spectrum is absorbed within 10 meters (33 feet) of the water's surface, and almost none penetrates below 150 meters (490 feet) of water depth, even when the water is very clear.

Within the first 10 m, water absorbs more than 50 percent of the visible light energy (Fig. 9.9). Even in clear tropical water only about 1 percent of visible light—mostly in the blue range—penetrates to 100 m. Light attenuation is the gradual decrease in light intensity as it travels through matter.

Generally, lightning can travel for 20 feet through water before dissipating. How far the charge travels depends on the intensity of the lightning, topography of the water, salinity and temperature. Lightning does not penetrate deep into water, but the charge disperses in all directions, favoring the surface.

In the first 3 ft., more than half of the light that penetrated the surfaces is absorbed by the water. Red is the first to be completely absorbed. By 30 ft., only 20% of the original amount of the...

Lightning strikes generate up to 260 dB at 1 metre in the water (you could lose your hearing in one shot and the sound alone can kill fish). Even at 300 feet (100 metres) away this is still dangerous. Edit A lot of people are asking if salt water or fresh water makes a difference. This link discusses the topic:

The more particles (algae, sediment or marine snow) there are in the water column, the less far light can penetrate. So in the coast of the North Sea, light is already very limited at 30 meters deep as there is high turbidity. But in less turbid areas light can reach further than 200m. Also, it depends on what light you measure.

About thirty percent of the initial UV intensity is lost at the water’s surface due to reflection. The remaining seventy percent gets scattered further as it moves deeper into the water, but the rate of scatter is difficult to estimate, and can be variable depending upon the murkiness or presence of particles in the water.

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Although some sea creatures depend on light to live, others can do without it. Sunlight entering the water may travel about 1,000 meters (3,280 feet) into the ocean under the right conditions, but there is rarely any significant light beyond 200 meters (656 feet). The ocean is divided into three zones based on depth and light level.

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