1,355 research outputs found

    Water-management models in Florida from ERTS-1 data

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    The author has identified the following significant results. The usefullness of ERTS 1 to improving the overall effectiveness of collecting and disseminating data was evaluated. ERTS MSS imagery and in situ monitoring by DCS were used to evaluate their separate and combined capabilities. Twenty data collection platforms were established in southern Florida. Water level and rainfall measurements were collected and disseminated to users in less than 2 hours, a significant improvement over conventional techniques requiring 2 months. ERTS imagery was found to significantly enhance the utility of ground measurements. Water stage was correlated with water surface areas from imagery in order to obtain water stage-volume relations. Imagery provided an economical basis for extrapolating water parameters from the point samples to unsampled data and provided a synoptic view of water mass boundaries that no amount of ground sampling or monitoring could provide

    Advantages of ERTS data collection system in south Florida

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    There are no author-identified significant results in this report

    Acquisition and processing problem of ERTS data in south Florida

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    There are no author-identified significant results in this report

    Surface water modeling Everglades Water Basin, Florida

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    There are no author-identified significant results in this report

    Intimate Partner Violence and Disabilities among Women Attending Family Practice Clinics

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    Purpose: To estimate the frequency and type of disabilities preventing work among those experiencing intimate partner violence (IPV) compared with those never experiencing IPV. Methods: We used a large cross-sectional survey of women, ages 18–65, attending family practice clinics from 1997 through 1998. Participation included a 5–10-minute in-clinic survey assessing IPV experience and a longer telephone survey assessing health status and chronic disabilities that prevented work outside the home or housework. Results: Of 1,152 eligible women surveyed, 54% experienced some type of IPV, and 24% were currently in a violent relationship. Women who had ever experienced IPV were more than twice as likely to report a disability (adjusted odds ratio [aOR] _ 2.2, 95% confidence interval [CI] 1.6, 3.0). The most commonly reported disabilities were those associated with heart or circulatory disease (4.9%), followed by back problems (3.5%), chronic pain (3.4%), arthritis (3.0%), nerve system damage (2.4%), asthma or another respiratory problem including emphysema (1.7%), and either depression (1.6%) or another mental illness (1.0%). Women ever experiencing IPV were more likely to report a disability due to generalized chronic pain (aOR _ 2.5, 95% CI 1.5, 4.3) and mental illness (aOR _ 4.5, 95% CI 1.5, 13.1). IPV-related injuries were associated in a dose-dependent manner with having any disability and with disability from chronic pain, asthma and other respiratory diseases, mental illness, and chronic diseases. Conclusions: Primary care-based efforts to screen for IPV and effectively intervene to reduce the impact of IPV on women’s lives must be a public health priority to reduce the shortterm and long-term health effects, including disabilities

    Water-Management Models In Florida From ERTS-1 Data

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    A prototype multiparameter data acquisition network, installed and operated by the U. S. Geological Survey is a viable approach for obtaining near real-time data needed to solve hydrologic problems confronting nearly 2. 5 million residents of south Florida. Selected water quantity and quality data obtained from ground stations are transmitted for relay via ERTS-1 to NASA receiving stations in virtual real time. This data-relay system has been very reliable and, by coupling the ground information with ERTS imagery, a modeling technique is available for water resource management in south Florida. For example, water stage is correlated with watersurface areas to provide water stage-volume relations in near real-time for management decisions concerning the distribution of water to people, fauna, and flora of southern Florida. An overall water-resource model will be generated when the other aspects (stage-seepage, climate, evapotranspiration, water control releases to salt water, etc.) are incorporated. An ecological model has been designed\u27for the Shark River Slough in Everglades National Park. This model uses areal measurements of water surface from ERTS data in conjunction with an aquatic animal sampling program to determine density of aquatic animals in the Shark River Slough. These data are then used by U. S. National Park Service ornithologists to make decisions for regulation of water during the bird rookery season in Everglades National Park

    Intimate Partner Violence Among Men and Women in South Carolina, 1998

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    Few studies provide population-based estimates of intimate partner violence (IPV) for men and women, especially at the state level. IPV may result in adverse health effects for victims and perpetrators (1-3). To estimate the lifetime incidence of IPV by type of violence (e.g., physical, sexual, and perceived emotional abuse) and to explore demographic correlates of reporting IPV among men and women, the South Carolina Department of Health and Environmental Control and the University of South Carolina conducted a population-based random-digit-dialed telephone survey of adults in the state. This report summarizes the results of the survey, which indicated that approximately 25% of women and 13% of men have experienced some type of IPV during their lifetime. Although women were significantly more likely to report physical and sexual IPV, men were as likely as women to report emotional abuse without concurrent physical or sexual IPV

    Urea-Mediated Anomalous Diffusion in Supported Lipid Bilayers

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    Diffusion in biological membranes is seldom simply Brownian motion; instead, the rate of diffusion is dependent on the timescale of observation and so is often described as anomalous. In order to help better understand this phenomenon, model systems are needed where the anomalous subdiffusion of the lipid bilayer can be tuned and quantified. We recently demonstrated one such model by controlling the excluded area fraction in supported lipid bilayers (SLBs) through the incorporation of lipids derivatised with polyethylene glycol. Here we extend this work, using urea to induce anomalous subdiffusion in SLBs. By tuning incubation time and urea concentration, we produce DCPC bilayers that exhibit anomalous behaviour on the same scale observed in biological membranes

    Crime and Psychiatric Disorders Among Youth in the US population: An Analysis of the National Comorbidity Survey-Adolescent Supplement

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    Objective Current knowledge regarding psychiatric disorders and crime in youth is limited to juvenile justice and community samples. This study examined relationships between psychiatric disorders and self-reported crime involvement in a sample of youth representative of the US population. Method The National Comorbidity Survey–Adolescent Supplement (N = 10,123; ages 13–17 years; 2001–2004) was used to examine the relationship between lifetime DSM-IV–based diagnoses, reported crime (property, violent, other), and arrest history. Logistic regression compared the odds of reported crime involvement with specific psychiatric disorders to those without any diagnoses, and examined the odds of crime by psychiatric comorbidity. Results Prevalence of crime was 18.4%. Youth with lifetime psychiatric disorders, compared to no disorders, had significantly greater odds of crime, including violent crime. For violent crime resulting in arrest, conduct disorder (CD) (odds ratio OR = 57.5; 95% CI = 30.4, 108.8), alcohol use disorders (OR = 19.5; 95% CI = 8.8, 43.2), and drug use disorders (OR = 16.1; 95% CI = 9.3, 27.7) had the greatest odds with similar findings for violent crime with no arrest. Psychiatric comorbidity increased the odds of crime. Youth with 3 or more diagnoses (16.0% of population) accounted for 54.1% of those reporting arrest for violent crime. Youth with at least 1 diagnosis committed 85.8% of crime, which was reduced to 67.9% by removing individuals with CD. Importantly, 88.2% of youth with mental illness reported never having committed any crime. Conclusion Our findings highlight the importance of improving access to mental health services for youthful offenders in community settings, given the substantial associations found between mental illness and crime in this nationally representative epidemiological sample
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