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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Rapid assessment of space weather effects on satellites is a critical step in anomaly resolution and satellite threat assessment. That step, however, is often hindered by a number of factors including timely collection and delivery of space weather data and the inherent com plexity of space weather information. As part of a larger, integrated space situational awareness program, Los Alamos National Laboratory has developed prototype operational space weather tools that run in real time and present operators with customized, user-specific information. The Dynamic Radiation Environment Assimilation Model (DREAM) focuses on the penetrating radiation environment from natural or nuclear-produced radiation belts. The penetrating radiation environment is highly dynamic and highly orbit-dependent. Operators often must rely only on line plots of 2 MeV electron flux from the NOAA geosynchronous GOES satellites which is then assumed to be representative of the environment at the satellite of interest. DREAM uses data assimilation to produce a global, real-time, energy dependent specification. User tools are built around a distributed service oriented architecture (SOA) which will allow operators to select any satellite from the space catalog and examine the environment for that specific satellite and time of interest. Depending on the application operators may need to examine instantaneous dose rates and/or dose accumulated over various lengths of time. Further, different energy thresholds can be selected depending on the shielding on the satellite or instrument of interest. In order to rapidly assess the probability that space weather was the cause of anomalous operations, the current conditions can be compared against the historical distribution of radiation levels for that orbit. In the simplest operation a user would select a satellite and time of interest and immediately see if the environmental conditions were typical, elevated, or extreme based on how often those conditions occur in that orbit. This allows users to rapidly rule in or out environmental causes of anomalies. The same user interface can also allow users to drill down for more detailed quantitative information. DREAM can be run either from a distributed web-based user interface or as a stand-alone application for secure operations. In this paper we discuss the underlying structure of the DREAM model and demonstrate the user interface that we have developed . We also present some prototype data products and user interfaces for DREAM and discuss how space environment information can be seamlessly integrated into operational SSA systems.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Rapid assessment of space weather effects on satellites is a critical step in anomaly resolution and satellite threat assessment. That step, however, is often hindered by a number of factors including timely collection and delivery of space weather data and the inherent com plexity of space weather information. As part of a larger, integrated space situational awareness program, Los Alamos National Laboratory has developed prototype operational space weather tools that run in real time and present operators with customized, user-specific information. The Dynamic Radiation Environment Assimilation Model (DREAM) focuses on the penetrating radiation environment from natural or nuclear-produced radiation belts. The penetrating radiation environment is highly dynamic and highly orbit-dependent. Operators often must rely only on line plots of 2 MeV electron flux from the NOAA geosynchronous GOES satellites which is then assumed to be representative of the environment at the satellite of interest. DREAM uses data assimilation to produce a global, real-time, energy dependent specification. User tools are built around a distributed service oriented architecture (SOA) which will allow operators to select any satellite from the space catalog and examine the environment for that specific satellite and time of interest. Depending on the application operators may need to examine instantaneous dose rates and/or dose accumulated over various lengths of time. Further, different energy thresholds can be selected depending on the shielding on the satellite or instrument of interest. In order to rapidly assess the probability that space weather was the cause of anomalous operations, the current conditions can be compared against the historical distribution of radiation levels for that orbit. In the simplest operation a user would select a satellite and time of interest and immediately see if the environmental conditions were typical, elevated, or extreme based on how often those conditions occur in that orbit. This allows users to rapidly rule in or out environmental causes of anomalies. The same user interface can also allow users to drill down for more detailed quantitative information. DREAM can be run either from a distributed web-based user interface or as a stand-alone application for secure operations. In this paper we discuss the underlying structure of the DREAM model and demonstrate the user interface that we have developed . We also present some prototype data products and user interfaces for DREAM and discuss how space environment information can be seamlessly integrated into operational SSA systems.
Author: Thomas Hoerber Publisher: Routledge ISBN: 1000317986 Category : History Languages : en Pages : 143
Book Description
This volume addresses developments in European space policy and its significance for European integration, using discourse theory as a framework. It seeks to address the developments in European space policy by examining several sensitive security questions linked in general with space activities, on the one hand, and the interplay between space policy and security policy in the European Union (EU) on the other. The book argues that defence and security matters should be studied for a better understanding of space projects in their historical, political, economic, legal and social context. The volume seeks to answer the following key questions: • What can space policy contribute to European identity formation and the integration process? • What are the interests of member states/EU institutions in space? • How is space policy perceived by European institutions, and how have they been engaged in the policy process to promote activity in space? • In which ways is the EU engaged in space, in terms of policy areas, e.g. foreign policy, industrial policy, security and defence policies? • What is the impact of institutions on the policy-making process in European space policy? This book will be of interest to students of EU policy, space policy, discourse studies and International Relations in general.
Author: Anthea J. Coster Publisher: John Wiley & Sons ISBN: 111950757X Category : Science Languages : en Pages : 243
Book Description
Examines how solar and terrestrial space phenomena affect sophisticated technological systems Contemporary society relies on sophisticated technologies to manage electricity distribution, communication networks, transportation safety, and myriad other systems. The successful design and operation of both ground-based and space-based systems must consider solar and terrestrial space phenomena and processes. Space Weather Effects and Applications describes the effects of space weather on various present-day technologies and explores how improved instrumentation to measure Earth's space environment can be used to more accurately forecast changes and disruptions. Volume highlights include: Damage and disruption to orbiting satellite equipment by solar particles and cosmic rays Effects of space radiation on aircraft at high altitudes and latitudes Response of radio and radar-based systems to solar bursts Disturbances to the propagation of radio waves caused by space weather How geomagnetic field changes impact ground-based systems such as pipelines Impacts of human exposure to the space radiation environment The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals. Find out more about the Space Physics and Aeronomy collection in this Q&A with the Editors in Chief
Author: National Research Council Publisher: National Academies Press ISBN: 0309127696 Category : Science Languages : en Pages : 144
Book Description
The adverse effects of extreme space weather on modern technology-power grid outages, high-frequency communication blackouts, spacecraft anomalies-are well known and well documented, and the physical processes underlying space weather are also generally well understood. Less well documented and understood, however, are the potential economic and societal impacts of the disruption of critical technological systems by severe space weather. As a first step toward determining the socioeconomic impacts of extreme space weather events and addressing the questions of space weather risk assessment and management, a public workshop was held in May 2008. The workshop brought together representatives of industry, the government, and academia to consider both direct and collateral effects of severe space weather events, the current state of the space weather services infrastructure in the United States, the needs of users of space weather data and services, and the ramifications of future technological developments for contemporary society's vulnerability to space weather. The workshop concluded with a discussion of un- or underexplored topics that would yield the greatest benefits in space weather risk management.
Author: Mioara Mandea Publisher: Cambridge University Press ISBN: 1108418481 Category : Science Languages : en Pages : 347
Book Description
An interdisciplinary review of research in geomagnetism, aeronomy and space weather, written by eminent researchers from these fields.
Author: United States. Congress. House. Committee on Science. Subcommittee on Environment, Technology, and Standards Publisher: ISBN: Category : Space environment Languages : en Pages : 160
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781726204392 Category : Languages : en Pages : 44
Book Description
The National Airspace System s capacity will experience considerable growth in the next few decades. Weather adversely affects safe air travel. The FAA and NASA are working to develop new technologies that display weather information to support situation awareness and optimize pilot decision-making in avoiding hazardous weather. Understanding situation awareness and naturalistic decision-making is an important step in achieving this goal. Information representation and situation time stress greatly influence attentional resource allocation and working memory capacity, potentially obstructing accurate situation awareness assessments. Three naturalistic decision-making theories were integrated to provide an understanding of the levels of decision making incorporated in three operational situations and two conditions. The task characteristics associated with each phase of flight govern the level of situation awareness attained and the decision making processes utilized. Weather product s attributes and situation task characteristics combine to classify weather products according to the decision-making processes best supported. In addition, a graphical interface is described that affords intuitive selection of the appropriate weather product relative to the pilot s current flight situation.Elgin, Peter D. and Thomas, Rickey P.Langley Research CenterDECISION MAKING; NATIONAL AIRSPACE SYSTEM; WEATHER FORECASTING; CIVIL AVIATION; AIR TRANSPORTATION; MODELS; SITUATIONAL AWARENESS; COMPUTERIZED SIMULATION; RUNWAYS; AUTOMATIC CONTROL; TURBULENCE; ALGORITHMS...
Author: Michel Blanc Publisher: Elsevier ISBN: 0323902278 Category : Science Languages : en Pages : 456
Book Description
Planetary Exploration Horizon 2061: A Long-Term Perspective for Planetary Exploration synthesizes all the material elaborated and discussed during three workshops devoted to the Horizon 2061 foresight exercise. Sections cover the science of planetary systems, space missions to solar system objects, technologies for exploration, and infrastructures and services to support the missions and to maximize their science return. The editors follow the path of the implementation of a planetary mission, from the needed support in terms of navigation and communication, through the handling of samples returned to Earth, to the development of more permanent infrastructures for scientific human outposts on the Moon and Mars. This book also includes a special chapter entirely devoted to contributions from students and early-career scientists: the "Horizon 2061 generation and a final chapter on important avenues for the actual implementation of the planetary missions coming out of our "Dreams for Horizon 2061: International cooperation, and the growing role and initiatives of private enterprise in planetary exploration. - Provides a logical link between scientific questions and the technologies needed to thoroughly address them - Organized chapters present a logical road map of subjects, while also stimulating a cross-disciplinary understanding of the scientific and technical challenges of planetary exploration - Contains illustrations and tables that capture and synthesize knowledge of a broad readership
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Author: Thomas Hoerber
Author: Anthea J. Coster
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Author: National Research Council
Author: Mioara Mandea
Author: United States. Congress. House. Committee on Science. Subcommittee on Environment, Technology, and Standards
Author: National Aeronautics and Space Administration (NASA)
Author: Michel Blanc