Chlorophyll a definition

Chlorophyll a means a pigment in green plants including algae. The concentration of chlorophyll-a, expressed in weight per unit volume of water, is a measurement of the abundance of algae.
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Chlorophyll a means the mass of chlorophyll a pigment after correction for phaeophytins.
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Chlorophyll a means one of three green pigments in plant cells, used as a measure of productivity in aquatic environments. Elevated levels of nutrients are usually reflected in corresponding elevations in chlorophyll a.
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Examples of Chlorophyll a in a sentence

  • Payment by you to the Company shall be made in accordance with theterms and conditions set out in the Company’s Invoice, otherwise within seven (7) calendar days from the date of the Company’s Invoice.

  • It also affects the length of the recreational season Secchi Disk Transparency (m) Conductivity (µmho/cm) pH Color (true) (platinum color units) Phosphorus (total, mg/l) Nitrogen (nitrate, ammonia, and total (dissolved), mg/l) Chlorophyll a (µg/l) Calcium (mg/l)Determined by measuring the depth at which a black and white disk disappears from sight, the Secchi disk transparency estimates the clarity of the water.

  • Chlorophyll a measures increase in relation to algal densities in a water body.

  • Chlorophyll a 1 µg/L Report Chlorophyll a values free from pheophytin and other chlorophyll pigments.

  • During the current YR17 reporting period, DRWW’s monitoring program includes: Water/Sediment sampling and analysis at 73 Monitoring Locations for 2019; Bioassessment monitoring at 31 monitoring locations; Continuous water quality monitoring with data sondes and Chlorophyll a sampling and analysis at 14 Monitoring Locations; and Flow Monitoring data collection at 22 sites.

  • Devils Lake is listed for Weeds/Algae, Chlorophyll a and pH and Thompson Creek is listed for fecal coliforms, and thus as a local government we have been invited to participate.

  • Chlorophyll a samples taken from the top 2 meters of the lake will be used to calculate TSI (excluding grab samples collected at 0 m).

  • Method 445.0. "In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence.

  • Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll a for the Chesapeake Bay and Its Tidal Tributaries.

  • Chlorophyll a was measured with a YSI 6600 V2-4 chlorophyll sensor.


More Definitions of Chlorophyll a

Chlorophyll a means one of three green pigments in plant cells, used as a measure of productivity in aquatic environments. Elevated levels of nutrients are usually reflected in corresponding elevations in chlorophyll a. [(12)] (17) "Chronic toxicity" means the capacity or potential of a substance to cause deleterious effects in living
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Chlorophyll a means a green pigment present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis.
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Chlorophyll a means a pigment in green plants including algae. The
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Chlorophyll a means the mass of chlorophyll a
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Chlorophyll a means a pigment in green plants including algae. The concentration of chlorophyll-a, expressed
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Chlorophyll a means a primary pigment in all oxygen evolving photosynthetic organisms and is present in all algae and photosynthetic organisms other than bacteria.
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Related to Chlorophyll a

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  • Radionuclide means a radioactive element or a radioactive isotope.

  • Carcinogen means a chemical that causes an increased incidence of benign or malignant neoplasms, or a substantial decrease in the latency period between exposure and onset of neoplasms through oral or dermal exposure, or through inhalation exposure when the cancer occurs at nonrespiratory sites in at least one (1) mammalian species or man through epidemiological studies or clinical studies, or both.

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  • Tetrahydrocannabinol means the same as that term is defined in § 3.2-4112.

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  • Nitrogen oxides means nitric oxide and nitrogen dioxide, expressed as nitrogen dioxide (NO2);

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  • Irritant means any substance, other than a corrosive, that on

  • Landfill cell means a discrete volume of a hazardous waste landfill which uses a liner to provide isolation of wastes from adjacent cells or wastes. Examples of landfill cells are trenches and pits.

  • Flammable means a chemical that falls into one of the following categories:

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR Part 82 subpart G with supplemental tables of alternatives available at (http://www.epa.gov/snap/).

  • chemical tanker means a ship constructed or adapted and used for the carriage in bulk of any liquid product listed in chapter 17 of the International Bulk Chemical Code;

  • Perfluoroalkyl and polyfluoroalkyl substances or “PFAS” means a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom.

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  • Corrosive means any substance that when it comes in contact

  • Radioactive waste means radioactive waste as defined in Article 3(7) of Council Directive 2011/70/Euratom8;

  • Chemical agent shall mean any compound which, when suitably disseminated, produces incapacitating, damaging or lethal effects on people, animals, plants or material property.

  • Gasohol means a blended fuel composed of gasoline and fuel grade ethanol.

  • Cannabinoid concentrate means a substance obtained by separating cannabinoids from marijuana by:

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