Euphotic zone definition

Euphotic zone means that region of a lake or reservoir extending from the water surface to a depth at which 99% of the surface light has disappeared or such lesser depth below which photosynthesis does not occur.
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Euphotic zone means that region of a lake or reservoir extending from
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Examples of Euphotic zone in a sentence

  • Euphotic zone deeper than the mixed layer depth occurred seven times.

  • Figure 3: Euphotic zone depths for the Baltic Sea derived from secchi data.

  • Euphotic zone (or “Photic zone”): The upper layer of lake water where sunlight penetrates and photosynthesis can occur.

  • Euphotic zone depths (Zeu, 39-100 m) were generally deeper than the MLD (15-65 m) across both transects (Fig.

  • Euphotic zone depth, defined as the depth of 1% surface light penetration, was 4.605/Kd. The euphotic depth (Ze) for the stations visited at night was calculated based on the relationship between Ze and water depth (BD) (Ze = 0.49 × BD - 8.3, n = 9, p < 0.05, R2 = 0.87).

  • Euphotic zone depth (EZD) was immediately determined on-board from the photosynthetic available radiation (PAR) in at depth compared to the sea surface PAR(0+), and used to determine the upper waters sampling depths corresponding to 75, 54, 36, 19, 10, 3, 1 (EZD), 0.3, and 0.1 % of PAR(0+).

  • Euphotic zone composites will be collected on each visit at all sampling locations.

  • Euphotic zone – the depth of water in a lake that is exposed to enough light for photosynthesis to occur.

  • Physico-chemical variables recorded from three stations in coastal 89 waters off the Hub Delta, Pakistan (Temperature and salinity data were collected from surface water Euphotic zone depth was calculated from Secchi disc depth (see method) Chlorophyll data were collected from 1 m depth).

  • Euphotic zone depth has been incorporated into global or basin scale remote sensing algorithms and it has become an important product of many biogeochemical stud- ies [12].

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