11,111 research outputs found

    Hydrographic observations in Elkhorn Slough and Moss Landing Harbor, California, October 1970 to November 1971. Annual report, Part 3, July 1972

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    In October 1970, Moss Landing Marine Laboratories began an observational program to determine/the seasonal changes in the water chemistry of Elkhorn Slough and Moss Landing Harbor. This data report contains the first year of data (October 1970 - November 1971). These data are of immediate interest in determining the flushing and mixing mechanisms of the slough and in establishing the effect that local domestic and industrial effluents have on the distribution of these chemical parameters. (Document contains 78 Pages

    An Initial Evaluation of a Proposed Statewide Education Sales Tax

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    This report provides a preliminary analysis of a proposal to replace education property taxes with a statewide sales tax

    The atomic weight of calcium contained in a very old potassium-rich deposit occurring at Portsoy, Banffshire

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    (1) The atomic weights of ordinary and "heavy' calcium have "been determined and found to "be 40.077, and 40.089 respectively, the latter value indicatin that a partial transformation of K₄₁ into Ca₄₁ has taken place in the mineral investigated.(2) The numerical limits, 1.3x10¹², 4.8x10¹¹ years have "been suggested for the half-transformation period of the K₄₁ isotope

    A two-component transport model for solar wind fluctuations: Waves plus quasi-2D turbulence

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    We present a model for the transport of solar wind fluctuations, based on the assumption that they can be well-represented using two distinct components: a quasi-2D turbulence piece and a wave-like piece. For each component, coupled transport equations for its energy, cross helicity, and characteristic lengthscale(s) are derived, along with an equation for the proton temperature. This energy-containing “two-component” model includes the effects of solar wind expansion and advection, driving by stream shear and pickup ions, and nonlinear cascades. Nonlinear effects are modeled using a recently developed one-point phenomenology for such a two-component model of homogeneous MHD turbulence [1]. Heating due to these nonlinear effects is included in the temperature equation. Numerical solutions are discussed and compared with observation

    Determination of atmospheric moisture structure and infrared cooling rates from high resolution MAMS radiance data

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    This program has applied Multispectral Atmospheric Mapping Sensor (MAMS) high resolution data to the problem of monitoring atmospheric quantities of moisture and radiative flux at small spatial scales. MAMS, with 100-m horizontal resolution in its four infrared channels, was developed to study small scale atmospheric moisture and surface thermal variability, especially as related to the development of clouds, precipitation, and severe storms. High-resolution Interferometer Sounder (HIS) data has been used to develop a high spectral resolution retrieval algorithm for producing vertical profiles of atmospheric temperature and moisture. The results of this program are summarized and a list of publications resulting from this contract is presented. Selected publications are attached as an appendix

    Solar wind turbulent heating by interstellar pickup protons: 2-component model

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    We apply a recently developed 2-component phenomenology to the turbulent heating of the core solar wind protons as seen at the Voyager 2 spacecraft. We find that this new description improves the model predictions of core temperature and correlation scale of the fluctuations, yielding excellent agreement with the Voyager measurements. However, the model fluctuation intensity substantially exceeds the Voyager measurements in the outer heliosphere, indicating that this picture needs further refinement

    Turbulence, spatial transport, and heating of the solar wind

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    A phenomenological theory describes radial evolution of plasma turbulence in the solar wind from 1 to 50 astronomical units. The theory includes a simple closure for local anisotropic magnetohydrodynamic turbulence, spatial transport, and driving by large-scale shear and pickup ions. Results compare well to plasma and magnetic field data from the Voyager 2 spacecraft, providing a basis for a concise, tractable description of turbulent energy transport in a variety of astrophysical plasmas

    Strawberry insects and their control in Missouri

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    Bramble and bush fruit insects

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    Caption title.At head of title: A wartime publication.Digitized 2006 AES MoU
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