Now showing items 1-20 of 141

    • Acquisition and analysis of remote sensing imagery of harmful algal blooms. 

      Kudela, Raphael M.; Stumpf, Richard P.; Petrov, Peter (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Remote sensing was long considered an obvious tool for studying the distribution of harmful algal bloom (HAB) organisms over larger spatial and shorter time scales than is possible with ship-based sampling (Tester et al. ...
    • Algal biomass pretreatment in Seawater Reverse Osmosis. 

      Dixon, Mike B.; Boerlage, Siobhan F.E.; Voutchkov, Nikolay; Henderson, Rita; Wilf, Mark; Zhu, Ivan; Assiyeh Alizadeh Tabatabai, S.; Amato, Tony; Resosudarmo, Adhikara; Pearce, Graeme K.; Kennedy, Maria; Schippers, Jan C.; Winters, Harvey (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Harmful algal blooms (HABs) can result in a substantial increase in the organic and solids load in the seawater feed to be treated at a desalination plant. In this chapter, the removal of this material is addressed in ...
    • Algal issues in seawater desalination. 

      Hess, Philipp; Villacorte, Loreen O.; Dixon, Mike B.; Boerlage, Siobhan F.E.; Anderson, Donald M.; Kennedy, Maria D.; Schippers, Jan C. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Once harmful algal blooms (HABs) reach a desalination plant, they can cause significant operational issues and potential health concerns for consumers. These issues stem from two factors – first, the algal cells produce ...
    • Algorithms for the computation of fundamental properties of seawater. 

      Fofonoff, N.P.; Millard Jr, R.C. (UNESCO, Paris, 1983)
      This report lists algorithms for the computation of fundamental properties of seawater for implementing and standardizing computer programs for oceanographic data processing. The algorithms cover the following: conductivity ...
    • Appendix 1. Algal species potentially harmful to desalinitation operations. 

      Borkman, David G.; Anderson, Donald M. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      It is now well established that harmful algal blooms (HABs) represent a serious and growing threat to seawater reverse osmosis (SWRO) desalination plants worldwide. In many plants, these threats are indirectly monitored ...
    • Appendix 2. Rapid screening methods for Harmful Algal Blooms toxins. 

      Anderson, Donald M.; Laycock, Maurice; Rubio, Fernando (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      At the core of all national harmful algal bloom (HAB) programs are the monitoring programs needed to detect HAB toxins in shellfish, fish, water, or other resources sufficiently early to take management actions (Anderson ...
    • Appendix 3. Methods for measuring transparent exopolymer particles and their precursors in seawater. 

      Villacorte, Loreen O.; Schippers, Jan C.; Kennedy, Maria D. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Transparent exopolymer particles (TEP) and their precursors produced by phyto-/bacterioplankton in fresh and marine aquatic environments are increasingly considered as a major cause of organic/particulate fouling in MF/UF ...
    • Appendix 4. Preservatives and methods for algal cell enumeration. 

      Anderson, Donald M.; Karlson, Bengt (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      There are multiple ways to preserve phytoplankton samples and determine the algal species composition and abundance. This Appendix provides details on some of the most common methods. Additional relevant publications are ...
    • Appendix 5. Autopsy and cleaning of reverse osmosis elements affected by harmful algal bloom-contaminated seawater. 

      Peña, Nuria; Chesters, Steve; Dixon, Mike B.; Boerlage, Siobhan F. E. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Following an algal bloom, if a change is observed in the reverse osmosis (RO) performance, an initial visual plant inspection should be carried out, including looking at and removing cartridge filters and membrane elements ...
    • Best Practices in Aquaculture, EATIP-OBPS Workshop, Tuesday, 05 April 2022, 11.00 - I4.30 UTC (Online), Proceedings. 

      Neyts, Alexandra; Simpson, Pauline; Pearlman, Jay (Unesco, Paris, France, 2022)
      The development of best practices is an important part of the recently launched European Strategic guidelines for a more sustainable and competitive EU aquaculture . The workshop stimulated the sharing of knowledge and ...
    • Black Sea data management guide. 

      Intergovernmental Oceanographic Commission (UNESCO-IOC for IODE, Paris, France, 2002)
      The material on the "Black Sea Data Management Guide" are prepared in accordance with the working plans of the IOC Committee on International Data and Information Exchange (IODE) and its regional component in the Black Sea ...
    • Bloom prevention and control. 

      Anderson, Clarissa R.; Sellner, Kevin G.; Anderson, Donald M. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Harmful algal blooms (HABs) are a serious and growing problem to many sectors of society, including the desalination industry. The many problems that HABs present for seawater reverse osmosis (SWRO) desalination plants ...
    • Case histories for Harmful Algal Blooms in desalination. 

      Boerlage, Siobhan F.E.; Dixon, Mike B.; Anderson, Donald M. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Algae have long been an issue impacting desalination plant operation in areas prone to algal blooms or where macroalgae (seaweeds) and detritus became dislodged from the seabed. Previously and still today, operators and ...
    • Chemical methods for use in marine environment monitoring. [CHECK STATUS] 

      Intergovernmental Oceanographic Commission (UNESCO, Paris, France, 1983)
      The Manual contains descriptions of chemical methods for analysis of parameters of general interest in programmes for chemical oceanography, as well as for marine environmental monitoring. It is intended for use by marine ...
    • Creating a weekly Harmful Algal Bloom bulletin. Version 1.0. [Best Practice Description Document] 

      Leadbetter, Adam; Silke, Joe; Cusack, Caroline (Marine Institute, Galway, Ireland, 2018)
      This document describes the procedural steps in creating an information product focused on toxic and harmful phytoplankton. The product is an online Harmful Algal Bloom (HAB) bulletin for aquaculturists, who can face serious ...
    • Deep Ocean Observing Strategy: Science and Implementation Guide. 

      Levin, L.; Ruhl, H.; Heimbach, P.; McCurdy, A.; Smith, L. (Deep Ocean Observing Strategy Project, Paris, France, 2019)
      1. Identify Essential Ocean Variables (EOVs) and evolve their specifications to fully consider deep-ocean perspectives across physical, biogeochemical, biological, and ecological variables over the next decade. This ...
    • Designing an observing system for early detection of harmful algal blooms. 

      Karlson, Bengt; Anderson, Clarissa R.; Coyne, Kathryn J.; Sellner, Kevin G.; Anderson, Donald M. (Intergovernmental Oceanographic Commission of UNESCO, Paris, France, 2017)
      Harmful algal blooms (HABs) are a serious and growing threat to many desalination plants. It is therefore important to limit the impact from HABs by preventing blooms from reaching seawater reverse osmosis (SWRO) plants ...
    • Environmental design and analysis in marine environmental sampling. 

      Underwood, A.J. (UNESCO for IODE, Paris, France, 1996)
      The IOC-IMO-UNEP/GIPME Groups of Experts on Effects of Pollution (GEEP) has been working for a number of years on promoting new ways of understanding how pollutants affect marine biological systems. A major initial focus ...
    • Fish-Killing Marine Algal Blooms: Causative Organisms, Ichthyotoxic Mechanisms, Impacts and Mitigation. 

      Hallegraeff, G.M.; Anderson, D.M.; Davidson, K.; Gianella, F.; Hansen, P.J.; Hegaret, H.; Iwataki, M.; Larsen, T.O.; Mardones, J.; MacKenzie, L.; Rensel, J.E. (UNESCO-IOC/SCOR., Paris, France, 2023)
      Fish-killing microalgal blooms are responsible for much greater global socio-economic impacts than the well-studied HAB species causing seafood biotoxin contamination. Examples are the 1972 Chattonella marina bloom in ...
    • A Framework for Ocean Observing. 

      Task Team for an Integrated Framework for Sustained Ocean Observing (Unesco, Paris, France, 2012)
      The ocean is critical to the earth’s global systems, regulating weather and climate, the concentration of gases in the atmosphere, the cycling of nutrients, and providing important food resources. As ocean scientists ...