RESUMO
Volcanic ash plumes injected into the atmosphere pose gangers to aircraft flying through them. Geostationary and polar orbiting meteorological satellite data after a means of detecting volcanic eruptions in order to issue timely warnings. NOAA and the U.S. Federal Aviation Administration (FAA) have implemented the Volcano Hazards Alert Plan. This is a cooperative, operational system to coordinate information on ongoing eruptions and issue warning of the presence of airbone ash to aviation interests. The plan is activated wherever an eruption occurs which may endanger aircraft within continental U.S. Flight Information Regions (FIRs). NESDIS' Synoptic Analysis Branch (SAB) is responsible for the satellite support and overall coordination required for the plan. Currently under development at NESDIS is a procedure to provide more timely access to high resolution AVHRR imagery, using modern communication links and workstation technology. (AU)
Assuntos
Erupções Vulcânicas , Estações de Monitoramento , Comunicações Via Satélite , Coleta de Dados , ComputadoresRESUMO
The basic objective of the test program described in this report was to investigate seismic response of computers and data processing equipment and to evaluate a variety of possible earthquake resistant installation methods ranging from those currently in use to more advanced designs using energy absorbing materials. This report documents results and assesses their significant based on three two-week test sessions performed jointly by NCEER and IBM investigators from June, 1991 through June, 1992. These tests were conducted on different mainframe systems utilizing a variety of earthquake inputs and different installation methods. The equipment response to the earthquake inputs is analyzed to enable a quatitative evaluation of the installation methods. Discussions and conclusions regarding the equipment sensitivity to earthquakes and the performance of selected installation methods are presented (AU)
Assuntos
Computadores , Processamento Eletrônico de Dados , Terremotos , 34661 , EngenhariaRESUMO
Este documento presenta el resultado de la investigación de un grupo interinstitucional de Costa Rica, en torno al tema de planes de contingencia, y más específicamente, los relacionados con centros de procesamiento electrónico de datos para enfrentar situaciones de emergencia, a fin de minimizar el daño causado por los acontecimientos inesperados e indeseados que afectan el procesamiento de información. El capitulo 2 presenta la normativa que debe considerarse a la hora de desarrollar un plan de contingencias. El anexo A considera las medidas de seguridad necesarias para la operación normal de los centros de procesamiento eléctronico de datos, y un modelo o guía de como las instituciones pueden desarrollar su plan de contingencias para operar en situaciones anormales
Assuntos
Planejamento em Desastres , Computadores , Prevenção de Acidentes , Estratégias de Saúde Nacionais , Segurança de Equipamentos , Centros de Informação , Sistemas ComputacionaisRESUMO
This paper describes the use of small battery powered lap - top computers during the response to an incident. Various functions can be made more convenient using an on - site computer. The requirement for communication with mainframe computers and head office can be reduced by using an on - site system. This will relieve the load on communication circuits, which is especially critical in remote locations.(AU)
Assuntos
Desastre Industrial , Vazamento de Resíduos Químicos , Computadores , Sistemas de Informação , 34661 , Planejamento em DesastresAssuntos
Computadores , Planejamento em Desastres , Saúde Mental , Inundações , Recuperação em DesastresRESUMO
The first step in disaster recovery planning is to identify the various critical functions that have to continue during the disaster or at least be back on line shortly after the event. One of the major functions is Facility Recovery/Reconstruction
Assuntos
Planejamento em Desastres , Computadores , Terremotos , Reconstrução Pós-Desastre , Estados Unidos , Organização e Administração , Desastres NaturaisRESUMO
The range of atmospheric dispersion models available for use in emergency situations varies from simple straight Gaussian plume simulations to complex computer codes attempting to allow for site-specific topographical features where the restriction of running in real time becomes significant. Various factor influence the choice of model; there are rather different needs and constraints for (a) training exercises, (b) early, (c) intermediate and (d) recovery phases of an actual accident. In selecting appropriate dispersion models it is necessary to define the objectives - for example what spectrum of accidents is to be considered and what surrounding area, and how will the model be linked with a monitoring programme (specifically the availability of early measurements and the evaluation of source terms). The model must predict the quantities of interest to the user, and results must be displayed in an unambiguous and convenient form. Thus spatial distributions at a specific time may be an asset as well as integrated doses, and deposited activity (dry and wet) as well as air concentrations. There will also be site-specific questions related to the complexity of the environs and the availability of extra meteorological information (e.g. vertical wind soundings or precipitation data). Nor must the constraints of time and resources and simplicity for the user be forgotten. (AU)
Assuntos
Liberação Nociva de Radioativos , Computadores , Emergências em Desastres , Planejamento em DesastresRESUMO
El objeto de la presentación es difundir el trabajo realizado por el autor, que busca una alternativa tanto software como hardware para la adquisición de datos digitales para sismología a bajo costo, con el uso de una tarjeta de sonido para PC. Tiene tres partes, a saber, la primera comprende la base matemática que sustenta bajo qué condiciones es posible demodular usando software; la segunda explica qué métodos son posibles usar según los casos en la práctica; y la tercera comprende una aplicación práctica para sismología que permite monitorear señales telemétricas mediante un programa en tiempo real llamado Demsw.exe (Versión 1.2). La gran ventaja de este nuevo sistema es que elimina todos los demoduladores y usa una tarjeta de sonido para PC como elemento digitalizador de entrada. De esta forma después de los radios analógicos de recepción, solamente un PC con multimedia es lo que se usa como elemento hardware para recibir las señales sismológicas. Demsw.exe es compatible hacia atrás con el archivo XXX.INP del Xdetec16.exe y hacia adelante con SUDS, corre bajo Windows 98, organiza los sismos por día y corre de forma continua marcando los eventos. (AU)
Assuntos
Terremotos , Computadores , Software , Medição Sísmica , Sismologia , 34628RESUMO
En este trabajo se presenta la implementación del software SEISAN utilizado en la Red Sismológica Nacional de Colombia (RSNC). SEISAN se empezó a utilizar desde febrero de 2001 y es preferido dado el fácil manejo de bases de datos sismológicos. En la actualidad SEISAN es usado bajo plataforma Linux como servidor de la base de datos de la RSNC. Adicionalmente, el sistema es utilizado para la localización diaria de eventos y reportes de sismos destacados. Además de un fácil manejo de la información, SEISAN ofrece la ventaja de hacer análisis rutinarios e investigativos aplicados a la sismología, tales como , análisis relacionado con el cálculo de propiedades de la corteza, estudio de la fuente de sismos y amenaza sísmica; para la localización de sismos se puede emplear dos rutinas Hypocenter o Hypoellipse. Las magnitudes pueden ser reportadas en escalas como: magnitud coda Mc, magnitud Richter ML, magnitud de ondas de cuerpo Mb, magnitud de ondas superficiales Ms y magnitud de momento Mw. (AU)