Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Light attenuation parameters for waste stabilisation ponds.

S Heaven1, C J Banks, E A Zotova

  • 1School of Civil Engineering and the Environment, University of Southampton, Southampton S017 1 BJ, UK. sh7@soton.ac.uk

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|August 24, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mechanisms of SOD1 regulation by post-translational modifications.

Redox biology·2019
Same author

Optimization of carbon dioxide supply in raceway reactors: Influence of carbon dioxide molar fraction and gas flow rate.

Bioresource technology·2016
Same author

Biogas stripping of ammonia from fresh digestate from a food waste digester.

Bioresource technology·2015
Same author

Hip arthroscopy in the setting of hip arthroplasty.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA·2014
Same author

Modelling fuel consumption in kerbside source segregated food waste collection: separate collection and co-collection.

Environmental technology·2014
Same author

Evaluation of carbon dioxide mass transfer in raceway reactors for microalgae culture using flue gases.

Bioresource technology·2013
Same journal

Pyrolysis temperature shapes the structure and filtration capacity of spent-coffee-ground biochar for 1-μm microplastics and bacteria removal from wastewater.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Effect of cooling and cover material on the performance of a solar humidification-dehumidification system used for brine concentration.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Comparative multi-criteria assessment of decentralized wastewater treatment technologies for coastal tourist communities and island slaughterhouses: a design framework with uncertainty analysis for Latin America.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

An improved relative frequency method for flood season partitioning.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

Drivers of wastewater dynamics: a statistical analysis of England's large wastewater treatment works.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same journal

A review on modification of piezoelectric materials for wastewater treatment: mechanisms, applications, and future perspectives.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
See all related articles

Accurate measurement of the light attenuation coefficient (k) is crucial for modeling waste stabilization ponds. New lab methods show k varies with depth and suspended solids, highlighting the need for standardized measurement techniques.

Area of Science:

  • Environmental science
  • Aquatic ecology
  • Water quality management

Background:

  • Effective modeling of shallow water ecosystems, such as waste stabilization ponds, relies on accurate light attenuation coefficient (k) estimations.
  • The light attenuation coefficient (k) is a critical parameter influencing light penetration and primary productivity in aquatic environments.

Purpose of the Study:

  • To present experimental data on the determination of the light attenuation coefficient (k).
  • To compare laboratory-derived k values with in situ measurements in a pilot-scale waste stabilization pond.
  • To investigate the relationship between k, suspended solids, and depth in algal cultures.

Main Methods:

  • Utilized purpose-built laboratory apparatus with a near-parallel halogen light source and photodiodes to measure irradiance at various depths.

Related Experiment Videos

  • Compared k values from four different pure algal cultures and mixed cultures from a pilot-scale waste stabilization pond.
  • Compared laboratory measurements with in situ measurements conducted directly within the pond.

    • Main Results:

    • The relationship between k and suspended solids is non-linear above 50 mg/L.
    • k values exhibited variability with depth and were also influenced by algal culture type (pure vs. mixed).
    • A single equation could model the observed variations in k, suggesting similar responses across different cultures.

    Conclusions:

    • At shallow depths and low suspended solids concentrations, k values are variable and difficult to measure reliably.
    • Standardizing the measurement and reporting of k values is essential for their widespread application in developing robust pond models.
    • The study underscores the need for consistent methodologies to ensure the reliability and comparability of k data in aquatic ecosystem modeling.