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Method of sequestering carbon dioxide with spiral fertilization

Patent 6200530 Issued on March 13, 2001. Estimated Expiration Date: Icon_subject March 9, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method of improving production of seafood
Patent #: 5433173
Issued on: 07/18/1995
Inventor: Markles, Jr.

Method of increasing seafood production in the ocean
Patent #: 5535701
Issued on: 07/16/1996
Inventor: Markels, Jr.

Method of increasing seafood production in the barren ocean
Patent #: 5967087
Issued on: 10/19/1999
Inventor: Markels, Jr.

Process for sequestering into the ocean the atmospheric greenhouse gas carbon dioxide by means of supplementing the ocean with ammonia or salts thereof
Patent #: 5992089
Issued on: 11/30/1999
Inventor: Jones, et al.

Method of sequestering carbon dioxide Patent #: 6056919
Issued on: 05/02/2000
Inventor: Markels, Jr.

Inventor

Application

No. 521895 filed on 03/09/2000

US Classes:

422/40, Process of storage or protection47/1.4, ALGAE CULTURE47/59R, WATER CULTURE, APPARATUS OR METHOD119/200AQUATIC ANIMAL CULTURING

Examiners

Primary: McKane, Elizabeth

Attorney, Agent or Firm

International Class

A01G 031/00

Abstract

A method of sequestering carbon dioxide (CO2) in an ocean comprises testing an area of the surface of a deep open ocean in order to determine both the nutrients that are missing and the diffusion coefficient, applying to the area in a spiral pattern a first fertilizer that comprises a missing nutrient, and measuring the amount of carbon dioxide that has been sequestered. The application of the first fertilizer in a spiral pattern results in a patch of fertilizer where the concentration of the fertilizer does not vary by more than about 50% within two days of the local application. The concentration of the fertilizer at the center of the patch does not decrease through diffusion by more than about 5% during a time period of about 20 days after the application of the patch of fertilizer. The method may further comprise applying additional fertilizers, and reporting the amount of carbon dioxide sequestered. The method preferably includes applying a fertilizer in pulses. Each fertilizer releases each nutrient over time in the photic zone and in a form that does not precipitate.

Other References

  • "Predominance of vertical loss of carbon from surface waters of the equatorial Pacific Ocean", Dennis A. Hansell, Nicholas R. Bates and Craig A. Carlson, Nature. vol. 336, pp 59-61 (Mar. 6, 1997)
  • "Phytoplankton Bloom on Iron Rations", Bruce W. Frost, Nature, vol. 383, pp. 475-476 (Oct. 10, 1996)
  • "Confirmation of Iron Limitation of Phytoplankton Photosynthesis in the Equatorial Pacific Ocean", Michael J. Behrenfeld et al, Nature, vol. 383, pp. 508-511 (Oct. 10, 1996)
  • "Large Decrease in Ocean-Surface CO2 Fugacity in Response to In-situ Iron Fertilization", D.J. Cooper et al, Nature, vol. 383, pp. 511-513 (Oct. 10, 1996)
  • "A Massive Phytoplankton Bloom Induced by an Ecosystem-scale Iron Fertilization Experiment in the Equatorial Pacific", Kenneth H. Coale et al, Nature, vol. 383, pp. 495-501 (Oct. 10, 1996)
  • "Oceanographers'Green Thumb", Science, vol. 269, p. 759 (Aug. 11, 1995
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