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Last modified
7/28/2009 2:27:58 PM
Creation date
10/1/2006 2:13:30 PM
Metadata
Fields
Template:
Weather Modification
Sponsor Name
MWDSC
Project Name
Weather Modification White Paper
Title
Weather Modification for Precipitation Augmentation and Its Potential Usefulness to the Colorado River Basin States
Prepared For
Colorado River 7 Basin States
Prepared By
Tom Ryan - Metro Water District of Southern California
Date
10/1/2005
Weather Modification - Doc Type
Report
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<br />Authority <br /> <br />What follows is a brief description of the major authorities that have been enacted for this <br />subject matter. There are dozens more for the individual states, but this provides an <br />overview of how this subject has been of interest to Congress for decades. <br /> <br />The National Weather Modification Act of 1976. The National Weather Modification <br />Act of 1976 (Public Law 94-490), directed the Secretary of Commerce to develop a <br />comprehensive and coordinated national policy on weather modification and <br />recommended a national weather modification research and development program. The <br />motivation for this legislation was a severe drought in Kansas and annual damage to <br />property and crops caused by severe weather. It was recognized that all the ongoing <br />weather modification activities were not realizing their potential to mitigate such effects. <br />The Secretary of Commerce was directed to prepare a study on the state of scientific <br />knowledge of the atmospheric processes, research needs, economic studies, and funding <br />issues. The study was to be completed in one year and $1 million was appropriated to <br />carry it out. The author could not find a reference to this report being completed. <br /> <br />Colorado River Basin Proiect Act of 1968. The Colorado River Basin Project Act of <br />1968 (Public Law 90-537) directed the Secretary of the Interior (Secretary) in Section <br />102{a) "... to provide a program for the further comprehensive development of the water <br />resources of the Colorado River Basin and for the provision of additional and adequate <br />water supplies for use in the Upper as well as the Lower Colorado River Basin." Under <br />Title II, the Secretary is authorized to prepare an augmentation plan to meet the water <br />requirements of new projects, existing projects, current water allotments, and the 1944 <br />Water Treaty with Mexico. <br /> <br />Section 202 of Public Law 90-537 recognizes a national obligation to annually provide <br />1.5 million acre-feet of water, together with any associated losses of water from the <br />Colorado River, to meet the requirements of the Mexican Water Treaty. Section 202 also <br />states that "The Congress declares that the satisfaction of the requirements of the <br />Mexican Water Treaty from the Colorado River constitutes a national obligation which <br />shall be the first obligation of any water augmentation project planned pursuant to <br />Section 201 of this Act and authorized by the Congress." <br /> <br />Colorado River Basin Salinitv Control Act of 1974. The Colorado River Basin Salinity <br />Control Act of 1974 (Public Law 93-320) authorized and directed the Secretary to <br />proceed with a program of works of improvement for the enhancement and protection of <br />the quality of water in the Colorado River. Section 10 I (c) states that replacement of the <br />reject stream from the Yuma desalting plant and of bypassed Wellton-Mohawk drainage <br />water is "recognized as a national obligation as provided in Section 202 of the Colorado <br />River Basin Project Act." As stated in Section 202, augmented streamflows resulting <br />from cloud seeding would result in decreased salinity concentrations in the Colorado <br />River Basin, and could provide a source of replacement for the Yuma desalting plant <br />reject stream. <br /> <br />-3- <br />
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