Cloud Seeding Operations In The Bishop Creek California Watershed
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Cloud Seeding Operations In The Bishop Creek California Watershed
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Author : Ferguson Hall
language : en
Publisher:
Release Date : 1953
Cloud Seeding Operations In The Bishop Creek California Watershed written by Ferguson Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Precipitation (Meteorology) categories.
Cloud seeding operations using dry ice dispensed from aircraft have been carried out by the California Electric Power Co. in the High Sierra near Bishop, Calif., since February 1948. Limited visual observations suggest that snow showers can be produced from non-precipitating orographic clouds by seeding, the snow reaching the ground at the higher elevations. Comparison of the annual runoff from the seeded watershed with that from adjacent areas for the 3 years 1948, 1949, and 1950 showed a positive departure in the 1948-49 season significant at the 1 percent level. Significant departures did not appear during the other two years, but the average for the 3 years was significant at the 5 percent level. From the same analysis it might be estimated that the average annual flow during the 3-year period was augmented by 9 percent, with 90 percent confidence limits being zero and 18 percent. On the other hand the unusual circulation prevailing during the 1948-49 winter may have been responsible, at least in part, for the departure in flow during the season. Snow pack comparison did not indicate a significant increase in the Bishop area, but it is shown that such a result is not incompatible with the possibility that additional precipitation was produced which was not reflected in the snow surveys.
Cloud Seeding Operations In The Bishop Creek California Watershed
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Author : Ferguson Hall
language : en
Publisher:
Release Date : 1953
Cloud Seeding Operations In The Bishop Creek California Watershed written by Ferguson Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Precipitation (Meteorology) categories.
Cloud seeding operations using dry ice dispensed from aircraft have been carried out by the California Electric Power Co. in the High Sierra near Bishop, Calif., since February 1948. Limited visual observations suggest that snow showers can be produced from non-precipitating orographic clouds by seeding, the snow reaching the ground at the higher elevations. Comparison of the annual runoff from the seeded watershed with that from adjacent areas for the 3 years 1948, 1949, and 1950 showed a positive departure in the 1948-49 season significant at the 1 percent level. Significant departures did not appear during the other two years, but the average for the 3 years was significant at the 5 percent level. From the same analysis it might be estimated that the average annual flow during the 3-year period was augmented by 9 percent, with 90 percent confidence limits being zero and 18 percent. On the other hand the unusual circulation prevailing during the 1948-49 winter may have been responsible, at least in part, for the departure in flow during the season. Snow pack comparison did not indicate a significant increase in the Bishop area, but it is shown that such a result is not incompatible with the possibility that additional precipitation was produced which was not reflected in the snow surveys.
Research Paper
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Author :
language : en
Publisher:
Release Date : 1953
Research Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1953 with Meteorology categories.
Technical Report Advisory Committee On Weather Control
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Author : United States. Advisory Committee on Weather Control
language : en
Publisher:
Release Date : 1957
Technical Report Advisory Committee On Weather Control written by United States. Advisory Committee on Weather Control and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Weather control categories.
Three Dimensional Wind Flow And Resulting Precipitation In A Northern California Storm
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Author : United States. Weather Bureau
language : en
Publisher:
Release Date : 1963
Three Dimensional Wind Flow And Resulting Precipitation In A Northern California Storm written by United States. Weather Bureau and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Atmospheric models categories.
By careful consideration of the observed winds and with the aid of various empirical and dynamics relationships, a steady-state 3-dimensional wind flow is deduced over northern California for a 24-hour stormy period. The production (or evaporation) of precipitation elements is estimated for all parts of the flow, the surviving elements are followed down to the surface, and the resulting precipitation with the observed.
Research Paper Weather Bureau
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Author : United States. Weather Bureau
language : en
Publisher:
Release Date : 1955
Research Paper Weather Bureau written by United States. Weather Bureau and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Meteorology categories.
Evaporation From Pans And Lakes
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Author : Max Adam Kohler
language : en
Publisher:
Release Date : 1955
Evaporation From Pans And Lakes written by Max Adam Kohler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1955 with Evaporation (Meteorology) categories.
Research Paper
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Author : United States. Weather Bureau
language : en
Publisher:
Release Date : 1946
Research Paper written by United States. Weather Bureau and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Meteorology categories.
Final Report
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Author : United States. Advisory Committee on Weather Control
language : en
Publisher:
Release Date : 1958
Final Report written by United States. Advisory Committee on Weather Control and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Weather control categories.
Meteorological Drought
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Author : Wayne C. Palmer
language : en
Publisher:
Release Date : 1965
Meteorological Drought written by Wayne C. Palmer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Climatology categories.
The underlying concept of the paper is that the amount of precipitation required for the near-normal operation of the established economy of an area during some stated period is dependent on the average climate of the area and on the prevailing meteorological conditions both during and preceding the month or period in question. A method for computing this required precipitation is demonstrated.