Secchi disk transparency definition

Secchi disk transparency means the transparency of water as measured by a Secchi disk, a Secchi tube, or a transparency tube.
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Secchi disk transparency means the average water depth of the point where a weighted white or black and white disk disappears when viewed from the shaded side of a boat, and the point where it reappears upon raising it after it has been lowered beyond visibility. The Secchi disk measures water clarity and is usually used in lakes.
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Examples of Secchi disk transparency in a sentence

  • In addition, Secchi disk transparency was deep (average 13m), allowing for a large euphotic zone, indicating a system with dispersed phytoplankton production throughout the large euphotic zone.

Related to Secchi disk transparency

  • Transparency , in relation to a document, means—

  • Transparency Act means the Federal Funding Accountability and Transparency Act of 2006 (Public Law 109-282), as amended by §6202 of Public Law 110-252. The Transparency Act also is referred to as FFATA.

  • New Jersey Stormwater Best Management Practices (BMP) Manual or “BMP Manual” means the manual maintained by the Department providing, in part, design specifications, removal rates, calculation methods, and soil testing procedures approved by the Department as being capable of contributing to the achievement of the stormwater management standards specified in this chapter. The BMP Manual is periodically amended by the Department as necessary to provide design specifications on additional best management practices and new information on already included practices reflecting the best available current information regarding the particular practice and the Department’s determination as to the ability of that best management practice to contribute to compliance with the standards contained in this chapter. Alternative stormwater management measures, removal rates, or calculation methods may be utilized, subject to any limitations specified in this chapter, provided the design engineer demonstrates to the municipality, in accordance with Section IV.F. of this ordinance and N.J.A.C. 7:8-5.2(g), that the proposed measure and its design will contribute to achievement of the design and performance standards established by this chapter.

  • Transparency Reports means a report in accordance with Schedule 7 Part 1 (Transparency Reports) containing the contract information as set out in the table for that Part for publication by the Authority in the interests of transparency.

  • Public Finance Management Act ’ means the Public Finance Management Act, 1999 (Act No. 1 of 1999);