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  2. Blackwater river - Wikipedia

    en.wikipedia.org/wiki/Blackwater_river

    Ogeechee River: a 245-mile river in eastern Georgia that passes to the south of the city of Savannah and enters the Atlantic Ocean at Ossabaw Sound. Ohoopee River: a 119-mile-long (192 km) river in east-central Georgia. It is a tributary of the Altamaha River, which flows to the Atlantic Ocean. Pasquotank River: a river in Northeastern North ...

  3. Blacklight - Wikipedia

    en.wikipedia.org/wiki/Blacklight

    A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...

  4. Phosphorescence - Wikipedia

    en.wikipedia.org/wiki/Phosphorescence

    In a general sense, there is no distinct boundary between the emission times of fluorescence and phosphorescence (i.e.: if a substance glows under a black light it is generally considered fluorescent, and if it glows in the dark it is often simply called phosphorescent). [1]

  5. Water stagnation - Wikipedia

    en.wikipedia.org/wiki/Water_stagnation

    Water body stagnation (stagnation in swamp, lake, lagoon, river, etc.) Surface and ground water stagnation; Trapped water stagnation. The water may be trapped in human artifacts (discarded cans, plant pots, tires, dug-outs, roofs, etc.), as well as in natural containers, such as hollow tree trunks, leaf sheaths, etc.

  6. River - Wikipedia

    en.wikipedia.org/wiki/River

    A river is a natural flow of freshwater that flows on or through land towards another body of water downhill. [1] This flow can be into a lake, an ocean, or another river. [1] A stream refers to water that flows in a natural channel, a geographic feature that can contain flowing water. [2] A stream may also be referred to as a watercourse. [2]

  7. Aphotic zone - Wikipedia

    en.wikipedia.org/wiki/Aphotic_zone

    Depending on how it is defined, the aphotic zone of the ocean begins between depths of about 200 m (660 ft) to 800 m (2,600 ft) and extends to the ocean floor. [ 1 ] [ 2 ] [ 3 ] The majority of the ocean is aphotic, with the average depth of the sea being 4,267 m (13,999 ft) deep; the deepest part of the sea, the Challenger Deep in the Mariana ...

  8. Catch Southern California's rare ocean light show like ... - AOL

    www.aol.com/news/catch-southern-californias-rare...

    Patrick Coyne has photographed bioluminescence off the beaches of L.A. and Orange counties since 2019. He shares tips for seeing the magical ocean glow.

  9. Harmful algal bloom - Wikipedia

    en.wikipedia.org/wiki/Harmful_algal_bloom

    Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.