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Colour and Clarity of Natural Waters

Colour And Clarity Of Natural Waters: Science And Management Of Optical Water Quality


Color and Clarity of Natural Waters introduces the basic concepts of aquatic optics and explains the relationships of different optical characteristics to the composition of the water and color and clarity phenomena. This scientific understanding is the basis for management of the optical quality of waters. The practical management of color and clarity of natural waters is covered in depth with guidelines for the protection of optical water quality. Case studies illustrate concepts and management principles with practical examples such as the effects of waste discharge and of phytoplankton growth. The authors look to the future of optical water quality, identifying research needs in aquatic optics as applied to the practical problems of water management. Appendices define quantities, give measurement "recipes" and worked examples to help the reader in the practical management of optical water quality. Originally published in 1993, Color and Clarity of Natural Waters will be of interest to water quality professionals, water resource engineers and managers, government agencies, aquatic biologists, ecologists and students in environmental management and water and wastewater courses. R. J. (Rob) Davies-Colley is a Principal Scientist leading a group of researchers in the field of aquatic pollution at the National Institute of Water and Atmospheric Research (NIWA) in Hamilton, New Zealand. He has been a researcher in water quality and related fields at NIWA since 1977. He has lead various projects in the field of optical water quality and is the author of more than 70 refereed scientific papers in diverse areas of riparian ecology and water quality. W. N. (Bill) Vant is a senior water quality manager with Environment Waikato (a regional government body charged with environmental management) in Hamilton, New Zealand. He was a researcher with NIWA from 1980 to 1997. His scientific contributions include identification of research needs for lake management and research on estuarine water quality. D. G. (Dave) Smith is a deputy chief director with the New York Department of Environmental Protection, Bureau of Water Supply, Valhalla, New York and has responsibility for water quality investigations to ensure suitabilty and safety of supply waters. He worked as a scientist at NIWA from 1986 to 1996 with research contributions in the areas of water quality management and human perception of natural waters.



  • Condition: --
    HPB condition ratings
    • New: Item is brand new, unused and unmarked, in flawless condition.
    • Fine/Like New (F): No defects, little usage. May show remainder marks. Older books may show minor flaws.
    • Very Good (VG): Shows some signs of wear and is no longer fresh. Attractive. Used textbooks do not come with supplemental materials.
    • Good (G): Average used book with all pages present. Possible loose bindings, highlighting, cocked spine or torn dust jackets. Used textbooks do not come with supplemental materials.
    • Fair (FR): Obviously well-worn, but no text pages missing. May be without endpapers or title page. Markings do not interfere with readability. Used textbooks do not come with supplemental materials.
    • Poor (P): All text is legible but may be soiled and have binding defects. Reading copies and binding copies fall into this category. Used textbooks do not come with supplemental materials.
    Conditions Guide
  • Format: Paperback
  • Sold by: --
  • Language: English
  • Publisher: Blackburn Pr
  • ISBN-13: 9781930665712
  • ISBN: 1930665717
  • Publication Year: 2003
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HPB condition ratings
  • New: Item is brand new, unused and unmarked, in flawless condition.
  • Fine/Like New (F): No defects, little usage. May show remainder marks. Older books may show minor flaws.
  • Very Good (VG): Shows some signs of wear and is no longer fresh. Attractive. Used textbooks do not come with supplemental materials.
  • Good (G): Average used book with all pages present. Possible loose bindings, highlighting, cocked spine or torn dust jackets. Used textbooks do not come with supplemental materials.
  • Fair (FR): Obviously well-worn, but no text pages missing. May be without endpapers or title page. Markings do not interfere with readability. Used textbooks do not come with supplemental materials.
  • Poor (P): All text is legible but may be soiled and have binding defects. Reading copies and binding copies fall into this category. Used textbooks do not come with supplemental materials.
Conditions Guide
HPB condition ratings
  • New: Mint condition or still sealed (SS). Absolutely perfect in every way. New.
  • Fine/Like New (EX): No defects, little sign of use, well cared for. Plays perfectly. Close to new. Not necessarily sealed or unused, but close. Could be an unopened promotional or cut item. Sometimes called: mint-minus.
  • Very Good (VG): Will show some signs that it was played and otherwise handled by a previous owner who took good care of it.
  • Good (G): Attractive and well cared for, but no longer fresh. Minor signs of wear, scuffing or scratching, but will play almost perfectly. For vinyl: barely detectable crackles or pops.
  • Fair (FR): This item is in okay condition. For vinyl: good is not so good and the record may have low level crackles or pops when playing. CD: one or more tracks may skip.
  • Poor (P): Obviously well-worn and handled. Most vinyl collectors will not buy good or below, but some tracks on CD or vinyl will play.
Conditions Guide
HPB condition ratings
  • New: This movie is unopened and brand new.
  • Fine/Like New (EX): Near new. No defects, little sign of use. Plays perfectly. Not necessarily sealed or unused, but close. No skipping; no fuzzy or snowy frames in VHS.
  • Very Good (VG): Attractive and well cared for but no longer fresh. Minor signs of wear, but will play almost perfectly. For VHS: barely detectable distortion or very few fuzzy or snowy frames.
  • Good (G): This item is in okay condition and basically works well. There may be some minor distortion on VHS tape; slight scratching or wear on DVD.
  • Fair (FR): Basically plays, but may be obviously well-worn with some scratching or tape distortion.
  • Poor (P): Disc or tape is intact, but may be scratched or stretched. There may be skips or distortion or product defects.
Conditions Guide
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