POES Space Environment Monitor, Energetic Particles
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language: eng; USA
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organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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dateStamp: 2015-09-29
metadataStandardName: ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
metadataStandardVersion: ISO 19115-2:2009(E)
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title: POES Space Environment Monitor, Energetic Particles
date: (CI_Date)
date: 1978-11-01
dateType: (CI_DateTypeCode) publication
edition: First
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Anchor: DOI doi:10.7289/V5JS9NC6
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organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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organisationName: National Geophysical Data Center (NGDC)
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city: Boulder
administrativeArea: Colorado
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organisationName: National Oceanic and Atmospheric Administration (NOAA)
role: (CI_RoleCode) originator
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organisationName: National Weather Service (NWS)
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organisationName: National Centers for Environmental Prediction (NCEP)
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linkage: https://www.ngdc.noaa.gov/stp/satellite/poes/
protocol: http
name: NOAA / POES Space Environment Monitor
description: Information on POES
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abstract: The TIROS/NOAA satellite series, also known as POES, is designed to meet the National Oceanic and Atmospheric Administration's need for operational, remote sensing products for numerical weather and space environment forecasts. The TIROS designation represents the experimental classification of a new instrument configuration while NOAA represents the operational classification. For January 1979 through present, the National Centers for Environmental Information (formerly National Geophysical Data Center) archive data from the POES Space Environment Monitor instrument. Subcomponents of the SEM include: HEPAD (High Energy Proton and Alpha Detector), MEPAD (Medium Energy) and TED (Total Energy) data from TIROS and NOAA satellites. The satellites are in sun-synchronous orbits at 850 kilometers altitude, an orbital period of 102 minutes and an inclination of 99 degrees. The orbital plane is tilted toward the sun in the Northern Hemisphere. Usually, two satellites are operational at all times.NOAA's Polar Orbiting Environmental Satellites (POES) (formerly known as TIROS for Television and InfraRed Observation Satellite) carry a suite of instruments that detect and monitor the influx of energetic ions and electrons into the atmosphere and the particle radiation environment at the altitude of the satellite. Both phenomena vary as a result of solar and geomagnetic activity. Beginning with the NOAA-15 satellite, an upgraded version of the Space Environment Monitor (SEM-2) is being flown. A number of SEM-2 instruments have been procured and it is anticipated that the SEM-2 instruments will be included on the NOAA/POES satellites until superceded by the NPOESS satellite program sometime after 2010.Because the SEM-2 instruments differ significantly from the earlier SEM-1, there has been a complete revision to the data processing and archiving process. A number of improvements have also been included. Among these are incorporating up-to-date satellite orbit information and magnetic field models in the calculation of various magnetic coordinates, and improved data quality control. The Total Energy Detector (TED) is designed to measure the energy flux carried by auroral particles, both positively charged ions (assumed here to be protons) and electrons, into the polar atmosphere. The magnitude and spatial extent of this energy flux are good measures of both the level of auroral activity and the atmospheric response to that energy input. The Medium Energy Proton and Electron Detector (MEPED) includes a set of solid-state energetic particle detectors that monitor the intensities of protons and electrons over a range extending from 30 keV to more than 200 MeV. Particles having those energies include the radiation belt (Van Allen belt) populations, the particles in energetic solar particle events (solar proton events), and the low energy portion of the galactic cosmic ray population. Enhanced fluxes of these particles entering the atmosphere can produce significant and widespread degradation in short-wave radio propagation; in extreme cases even radio blackouts. The energetic particles also contribute to astronaut radiation exposure, especially on high inclination orbit missions during energetic solar particle events.
purpose: Measure the particle radiation environment along the POES orbit path. This environment is representative of that encountered by the vast number of satellite in Low-Earth Orbit (LEO).
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electronicMailAddress: Daniel.C.Wilkinson@noaa.gov
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descriptiveKeywords: (MD_Keywords)
keyword: Solar Physics
keyword: EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic Particles > Electron Flux
keyword: EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic Particles > Energetic Particles
keyword: EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic Particles > Particle Flux
keyword: EARTH SCIENCE > SOLAR PHYSICS > Solar Activity > Solar Events
keyword: EARTH SCIENCE > SOLAR PHYSICS > Solar Activity > Solar Flares
keyword: NOAA/TIROS
keyword: Particle Detector
keyword: Charged Particle
keyword: Magnetometer
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date: 2018-03-28
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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date: 2018-03-18
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otherConstraints: Cite as: National Oceanic and Atmospheric Administration (1978): POES Space Environment Monitor, Energetic Particles. National Geophysical Data Center, NOAA. doi:10.7289/V5JS9NC6 [access date]
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useLimitation: While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data.
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language: eng; USA
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beginPosition: 1978-11-01
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individualName: Daniel C. Wilkinson
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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electronicMailAddress: Daniel.C.Wilkinson@noaa.gov
hoursOfService: 7:30 - 5:00 Mountain
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turnaround: 4 Days
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linkage: https://www.ngdc.noaa.gov/stp/satellite/poes/
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name: POES SEM Data
description: Index to the data to be downloaded
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linkage: https://www.ngdc.noaa.gov/stp/satellite/poes/
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other: NOAA National Centers for Environmental Information
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description: NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
dateTime:
DateTime: 2015-04-22T00:00:00
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metadataMaintenance: (MD_MaintenanceInformation)
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maintenanceNote: This metadata was automatically generated from the Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata standard (version FGDC-STD-012-2002) using the 2012-11-07 version of the FGDC RSE to ISO 19115-2 transform.
maintenanceNote: Translated from FGDC 2014-01-31T20:51:04.402-07:00
maintenanceNote: This record was automatically modified on 2015-09-29 to include references to NCEI where applicable.
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individualName: Anna Milan
organisationName: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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electronicMailAddress: Anna.Milan@noaa.gov
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country: USA
electronicMailAddress: Daniel.C.Wilkinson@noaa.gov
hoursOfService: 7:30 - 5:00 Mountain
contactInstructions: Contact Data Center
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