1,123 research outputs found

    States of Change

    Get PDF
    States of Change documents efforts by state policymakers and local practitioners to devise useful approaches to helping low-income job seekers stay employed and begin advancing. It draws, in part, from our experiences working on these issues since 1997 with five states -- Washington, Oregon, Colorado, Oklahoma and Florida -- as well as on examples and lessons in several other states. In general, states are trying a number of retention strategies, but few have been tested. Therefore, we expect that many strategies discussed will soon be modified or replaced with new approaches. We hope that States of Change encourages this process of testing and innovation by providing a sense of what is being tried and learned around the country, and what challenges remain

    Hostility uncalled for

    Get PDF
    Mr. John Sandblum: I feel sorry for you. Your letter to the editor didn\u27t speak very well for you

    Rethinking Justice in Massachusetts: Public Attitudes Toward Crime and Punishment

    Get PDF
    Presents results from a public opinion survey about the sharp increase in the incarcerated population in Massachusetts and about current strategies for reintegrating ex-offenders who have been released into the community

    Development of an AQUA Based Near-Surface Parameter Retrieval

    Get PDF
    The production of a satellite based turbulent surface flux product relies critically upon the near-surface input parameters. Development of retrieval algorithms for the necessary near-surface variables of wind speed, specific humidity, air temperature, and sea surface temperature has proceeded relatively independent of each another until recently. The use of a neural network approach using Special Sensor Microwave/Imager (SSM/I) data in conjunction with a first guess sea surface temperature has led to successful retrieval of all parameters simultaneously. However, SSM/I frequencies lack inherent sensitivity to the sea surface temperature (SST). Recent studies have found improved air temperature and humidity retrievals can be obtained via inclusion of microwave sounding channels weighted in the lower troposphere. The inclusion of SSM/I-like frequencies as well as SST-sensitive microwave channels on AMSR-E along with AMSU-A sounding data onboard the AQUA platform provides an unique opportunity. That is the ability to provide near-simultaneous (in space and time) measurements allowing the retrieval of all the near-surface variables, including SST. This study shows results of a new algorithm designed to take advantage of the unique sampling ability of AQUA based sensors. Results from a neural network based methodology will be shown as compared to in-situ based observations of near-surface variables. Implications for creation of an AQUA based turbulent surface product are also discussed

    Tropical Ocean Surface Energy Balance Variability: Linking Weather to Climate Scales

    Get PDF
    Radiative and turbulent surface exchanges of heat and moisture across the atmosphere-ocean interface are fundamental components of the Earth s energy and water balance. Characterizing the spatiotemporal variability of these exchanges of heat and moisture is critical to understanding the global water and energy cycle variations, quantifying atmosphere-ocean feedbacks, and improving model predictability. These fluxes are integral components to tropical ocean-atmosphere variability; they can drive ocean mixed layer variations and modify the atmospheric boundary layer properties including moist static stability, thereby influencing larger-scale tropical dynamics. Non-parametric cluster-based classification of atmospheric and ocean surface properties has shown an ability to identify coherent weather regimes, each typically associated with similar properties and processes. Using satellite-based observational radiative and turbulent energy flux products, this study investigates the relationship between these weather states and surface energy processes within the context of tropical climate variability. Investigations of surface energy variations accompanying intraseasonal and interannual tropical variability often use composite-based analyses of the mean quantities of interest. Here, a similar compositing technique is employed, but the focus is on the distribution of the heat and moisture fluxes within their weather regimes. Are the observed changes in surface energy components dominated by changes in the frequency of the weather regimes or through changes in the associated fluxes within those regimes? It is this question that the presented work intends to address. The distribution of the surface heat and moisture fluxes is evaluated for both normal and non-normal states. By examining both phases of the climatic oscillations, the symmetry of energy and water cycle responses are considered
    corecore