Transparency tube definition

Transparency tube means a tool that is used to measure the transparency of stream or river water. A transparency tube is a graduated clear plastic tube, 24 inches or more in length by 1-1/2 inches in diameter, with a stopper at the bottom end. The inside surface of the stopper is painted black and white. To measure water transparency, the tube is filled with water from a surface water; the water is released through a valve at the bottom end until the painted surface of the stopper is just visible through the water column when viewed from the top of the tube. The depth, in centimeters, is noted. More water is released until the screw in the middle of the painted symbol on the stopper is clearly visible; this depth is noted. The two observed depths are averaged to obtain a transparency measurement.
Sample 1Sample 2Sample 3
Transparency tube means a graduated clear plastic tube, 24 inches or more in length by 1-1/2 inches in diameter, with a stopper at the bottom end, the inside surface of which is painted black and white. The tube is filled with water from a surface water; the water is released through a valve at the bottom end until the painted surface of the stopper is just visible through the water column when viewed from the top of the tube. The depth of water at the point of initial visibility is the transparency. The transparency tube measures water clarity and is usually used in rivers and streams.
Sample 1Sample 2
Transparency tube means a graduated clear
Sample 1

Examples of Transparency tube in a sentence

  • Transparency tube and Secchi depth can be an effective indicator of non-algal suspended sediment loading from agricultural and urban runoff and from shoreline erosion (Swift et al.

  • Transparency tube reading will be taken weekly, at the same time of day each time.

  • Transparency tube data will be recorded on CSMP Data sheets (Appendix B).

  • Transparency tube readings will be compared to rain gauge data, flow data, YSI turbidity readings and TSS lab samples.

  • Class 2B and 2Bd Water Quality Standards *Transparency tube (T-tube) results are used as a surrogate for turbidity; a transparency tube measurement of < 20 cm indicates a violation of the 25 NTU turbidity standard.

  • AFTER SAMPLING WATER CLARITY - TRANSPARENCY TUBE GATHERING MATERIALS AND EQUIPMENT LIST• Transparency tube CHECKING YOUR EQUIPMENT BEFORE GOING OUT IN THE FIELD • Check the transparency tube for wear or damage.• Check that the Secchi disk is clearly visible at the bottom of the tube.• Check that the drain tube stays closed until released.

Related to Transparency tube

  • 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.

  • Transparency Information means the content of this Contract in its entirety, including from time to time agreed changes to the Contract, and details of any payments made by the Authority to the Contractor under the Contract;

  • Transparent copy of the Document means a machine-readable copy, represented in a format whose specification is available to the general public, that is suitable for revising the document straightforwardly with generic text editors or (for images com- posed of pixels) generic paint programs or (for drawings) some widely available drawing editor, and that is suitable for input to text formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification by readers is not Transparent. An image format is not Transparent if used for any substantial amount of text. A copy that is not “Transparent” is called “Opaque”.

  • Nominal tomographic section thickness means the full width at half-maximum of the sensitivity profile taken at the center of the cross-sectional volume over which x-ray transmission data are collected.

  • External Verifier means any qualified provider of third party assurance or attestation services or other independent expert of internationally recognised standing appointed by the Issuer, in each case with the expertise necessary to perform the functions required to be performed by the External Verifier under these Conditions, as determined in good faith by the Issuer;

  • Portability means transfer by an individual health insurance policyholder (including family cover) of the credit gained for pre-existing conditions and time-bound exclusions if he/she chooses to switch from one insurer to another.

  • Local Number Portability (LNP means the ability of users of Telecommunications Services to retain the presence of a previously existing telephone number(s).

  • Hydraulic conductivity means the quantity of water that will flow through a unit cross-sectional area of a porous material per unit of time under a hydraulic gradient of 1.0;

  • Substance use disorder professional means a person

  • Local Number Portability or "LNP" shall have the meaning set forth in Section 10.2.1.1.

  • Preceptor means an individual who provides, directs, or verifies training and experience required for an individual to become an authorized user, an authorized medical physicist, an authorized nuclear pharmacist, or a radiation safety officer.

  • Chronic toxicity means concurrent and delayed adverse effects that occur only as a result of a chronic exposure.

  • Catalogue means the catalogue of IT Products available for Order under the provisions of the Framework Agreement.

  • Electrostatic application means the application to a substrate of charged atomized paint droplets that are deposited by electrostatic attraction.

  • Disinfection profile means a summary of daily Giardia lamblia inactivation through the treatment plant. The procedure for developing a disinfection profile is contained in s. NR 810.34.