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1. Advanced Composition Explorer (ACE) Real-Time Solar Wind Data from NOAA/SEC [ACE_RTSW]
Advanced Composition Explorer (ACE) Real-Time Solar Wind (RTSW) Data from NOAA's Space Environment Center (SEC) provides up to an hour's advance warning of unusual solar activity, such ...

2. NOAA Climate Data Record (CDR) of Solar Spectral Irradiance (SSI), NRLSSI Version 2 [gov.noaa.ncdc.C00899_Version 2]
This Climate Data Record (CDR) contains solar spectral irradiance (SSI) as a function of time and wavelength created with the Naval Research Laboratory model for spectral and total irradiance (version ...

3. NOAA Space Environment Laboratory On-Line Solar and Geophysical Data [SEL-01]
The NOAA Space Environment Laboratory collects, evaluates, and distributes data relating to space plasma events, solar activity, and cosmic ray particle activity on a nearly real-time basis. Space ...

4. GOES Space Environment Monitor, Energetic Particles [gov.noaa.ngdc.sem.goes_eps_g00037]
Solid state detectors with pulse height discrimination measure proton, alpha-particle, and electron fluxes. E1 and I1 channels are responding primarily to trapped outer-zone particles. The I2 channel ...

5. Geomagnetic Observatory Annual Means Data [gov.noaa.ngdc.stp.geomag.G10118]
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) / World Data Center, Boulder maintains an active database of worldwide geomagnetic observatory data. ...

6. Measurement of Incoherent Scatter [gov.noaa.ngdc.stp.ionosphere.G00145]
For radio waves transmitted through the ionosphere with frequencies much larger (50 to 1300MHz) than the plasma frequency (up to 15MHz), very small-scale fluctuations of electron density will scatter ...

7. POES Space Environment Monitor, Energetic Particles [gov.noaa.ngdc.sem.poes_sem_g00188]
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 ...

8. Satellite Anomalies Due to Environment [gov.noaa.ngdc.sem.sat_anom_g00937]
These events range from minor operational problems to permanent spacecraft failures. Australia, Canada, Germany, India, Japan, United Kingdom, and the United States have contributed data. This data ...

9. Solar Features [gov.noaa.ngdc.stp.solar.solar-features]
Collection includes a variety of solar feature datasets contributed by a number of national and private solar observatories located worldwide.

10. Solar Imagery - Chromosphere - H-Alpha [gov.noaa.ngdc.stp.solar.solar-imagery_chromosphere_h-alpha]
Collection includes a variety of H-alpha photographic datasets contributed by a number of national and private solar observatories located worldwide. Solar observations ...

11. Solar Imagery - Photosphere - White Light [gov.noaa.ngdc.stp.solar.solar-imagery_photosphere_white-light]
Collection consists of white-light, full-disk images of the sun provided by various solar observatories and institutions.

12. Solar Indices - Solar Corona [gov.noaa.ngdc.stp.solar.solar-indices_solar-corona]
Collection includes a variety of indices related to solar activity contributed by a number of national and private solar observatories located worldwide. This metadata record is currently under construction.[SolarIndices ...

13. Solar/Space Environment Data (Satellites) [gov.noaa.ngdc.stp.swx.space-environment]
The National Oceanic and Atmospheric Administration (NOAA) monitors the geospace and solar environments using a variety of space weather sensors aboard its fleet of operational satellites.

14. US ITASE-00-3 ice core (Research funded by NSF OPP) [US_ITASE-00-3_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

15. US ITASE-01-3 ice core (Research funded by NSF OPP) [US_ITASE-01-3_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

16. US ITASE-02-4 ice core (Research funded by NSF OPP) [US_ITASE-02-4_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

17. US ITASE-02-6 (SPRESO) ice core (Research funded by NSF OPP) [US_ITASE-02-6_SPRESO_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

18. US ITASE-Surface Snow (Research funded by NSF OPP) [US_ITASE-Surface_Snow_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

19. US International Trans-Antarctic Scientific Expedition (US ITASE) Ice Cores Data [US_ITASE]   CHILD DIFs
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...

20. Carnegie Institution Atmospheric-Electricity and Meteorological Data [gov.noaa.ncdc.C01202]
The Department of Terrestrial Magnetism at the Carnegie Institute of Science conducted observations of atmospheric electricity and magnetic storms. In addition to observatories in Washington DC and ...

21. Auroral Electrojet Indices Designed to Provide a Global Measure, 2.5-Minute Intervals, of Auroral Zone Magnetic Activity [gov.noaa.ngdc.stp.indices.G00113]
The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the auroral ...

22. Calculations of the Total Number of Electrons Along a Ray Path Extending from the Transmitter to the Receiver [gov.noaa.ngdc.stp.ionosphere.G00566]
Ionospheric Total Electron Content (TEC) is the total number of electrons in a column of unit cross section extending from the transmitter to the receiver. TEC is calculated from observations of the ...

23. Carnegie Institution Atmospheric-Electricity and Meteorological Data [gov.noaa.ncdc.C01202]
The Department of Terrestrial Magnetism at the Carnegie Institute of Science conducted observations of atmospheric electricity and magnetic storms. In addition to observatories in Washington DC and ...

24. DMSP OLS - Operational Linescan System [gov.noaa.ngdc.stp.dmsp.G01119]
Visible and infrared imagery from DMSP Operational Linescan System (OLS) instruments are used to monitor the global distribution of clouds and cloud top temperatures twice each day. The archive data ...

25. DMSP SSMT/2 - Atmospheric Water Vapor Profiler [gov.noaa.ngdc.stp.dmsp.G10018]
The SSM/T-2 sensor is a five channel, total power microwave radiometer with three channels situated symmetrically about the 183.31 GHz water vapor resonance line and two window channels. This instrument ...

26. DST Indices - Reflection Variations in the Magnetospheric Tail Current and Field-aligned Currents in the Magnetosphere [gov.noaa.ngdc.stp.indices.G00587]
The file is comprised of monthly DST indices. These indices are derived from a network of eight stations in the equatorial latitudes. Hourly DST indices provide an index of geomagnetic activity as ...

27. Defense Meteorological Satellite Program (DMSP) [gov.noaa.ngdc.stp.dmsp.G10021]
The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic, hydrologic, cryospheric and near-Earth ...

28. Defense Meteorological Satellite Program (DMSP) - Space Weather Sensors [gov.noaa.ngdc.stp.ionosphere.G10022]
The Defense Meteorological Satellite Program (DMSP) maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes and inclination is 99 degrees. The ...

29. Electron Density Profile Data Contains Virtual Height/Frequency Pairs from a Profile or Profiles (Composite Months) of Ionograms [gov.noaa.ngdc.stp.ionosonde.G00146]
The Electron Density Profile, N(h), data set contains both individual profiles and composite months. The data consist of virtual height/frequency pairs from a profile or profiles (composite months) ...

30. GOES Space Environment Monitor, Magnetometer [gov.noaa.ngdc.sem.goes_mag_g00038]
Three orthogonal flux-gate magnetometer elements, (spinning twin fluxgate magnetometer prior to GOES-8) provide magnetic field measurements in three mutually perpendicular components: HP, HE and HN. ...

31. GOES Space Environment Monitor, X-ray Sensor [gov.noaa.ngdc.sem.goes_xrs_g00036]
Solar x-ray flux data.

32. GOES-12 Solar X-ray Imager Archive [gov.noaa.ngdc.sem.goes_sxi_g02157]
The GOES Solar X-ray Imager is integrated into the GOES-12 satellite, whose primary mission is to provide Earth-weather monitoring. The SXI is operated by NOAA's National Environmental Satellite, ...

33. Geomagnetic Absolute Mean Values at Hourly Intervals from 220 Observatories Worldwide [gov.noaa.ngdc.stp.geomag.G00002]
This file is comprised of absolute mean hourly values of the geomagnetic components D, H and Z or X, Y and Z. These values, on magnetic tape, are available from approximately 220 of the 400 worldwide ...

34. Instantaneous Absolute Values of the Geomagnetic Components D, H, and Z or X,Y, and Z at 1-minute Intervals for 50 Observatories Database [gov.noaa.ngdc.stp.geomag.G00021]
The file is comprised of instantaneous absolute values of the geomagnetic components D, H, and Z or X, Y, and Z at 1-minute intervals. These values were derived either from analog recordings (magnetograms) ...

35. Ionosonde Stations [gov.noaa.ngdc.stp.ionosonde.G10145]
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the ionization densities which can ...

36. Ionospheric Digital Database [gov.noaa.ngdc.stp.ionosonde.G01257]
The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric regions and their approximate ...

37. Ionospheric Oblique Incidence Soundings by Satellites [gov.noaa.ngdc.stp.ionosphere.G00563]
The oblique incidence sweep-frequency ionospheric sounding technique uses the same principle of operation as the vertical incidence sounder. The primary difference is that the transmitter and receiver ...

38. Ionospheric Values (Daily Work Sheets), F-Plots, Tabulations, Booklets, Catalogs, and Log Books [gov.noaa.ngdc.stp.ionosonde.G00556]
These ionospheric data consist of scaling notes, equipment usage logs, and ionospheric values in the form of daily work sheets, F-Plots, tabulations, and booklets. The station notes list the equipment ...

39. Measurements of the Absorptive Properties of the Ionosphere [gov.noaa.ngdc.stp.ionosphere.G00569]
Absorption of radio waves occurs when electrons responding to the wave fields collide with and transfer energy to the neutral particles. A study of ionospheric absorption yields information on both ...

40. NOAA Climate Data Record (CDR) of Solar Spectral Irradiance (SSI), NRLSSI Version 2 [gov.noaa.ncdc.C00899]
This Climate Data Record (CDR) contains solar spectral irradiance (SSI) as a function of time and wavelength created with the Naval Research Laboratory model for spectral and total irradiance (version ...

41. NOAA Climate Data Record (CDR) of Total Solar Irradiance (TSI), NRLTSI Version 2 [gov.noaa.ncdc.C00828]
This Climate Data Record (CDR) contains total solar irradiance (TSI) as a function of time created with the Naval Research Laboratory model for spectral and total irradiance (version 2). Total solar ...

42. Ovation Prime Real-Time [gov.noaa.ngdc.stp.ionosphere.OPRT]
The Ovation Prime Real-Time (OPRT) product is a real-time forecast and nowcast model of auroral power and is an operational implementation of the work by Newell et al (2009). OPRT is run every 5 minutes ...

43. Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency [gov.noaa.ngdc.stp.ionosonde.G00551]
The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the radio frequency. The frequency ...

44. Solar Features - Prominences and Filaments [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments]
Prominences and filaments are two manifestations of the same phenomenon. Both prominences and filaments are features formed above the chromosphere by cool dense gases held in place by solar magnetic ...

45. Solar Features - Prominences and Filaments - Filaments [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments_filaments]
Filaments are formed in magnetic loops that hold relatively cool, dense gas suspended above the surface of the Sun (David Hathaway/NASA)

46. Solar Features - Prominences and Filaments - Prominences [gov.noaa.ngdc.stp.solar.solar-features_prominences-filaments_prominences]
A prominence is a large, bright features extending outward from the sun's surface, often in a loop shape (Wikipedia)

47. Solar Features - Solar Flares [gov.noaa.ngdc.stp.solar.solar-features_solar-flares]
A solar flare is a short-lived sudden increase in the intensity of radiation emitted in the neighborhood of sunspots. For many years it was best monitored in the H-alpha wavelength and occurs in the ...

48. Solar Features - Solar Flares - H-Alpha [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_h-alpha]
A short-lived sudden increase in the intensity or radiation emitted in the neighborhood of sunspots monitored in H-alpha.

49. Solar Features - Solar Flares - Index [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_index]
Daily index of solar flare activity.

50. Solar Features - Solar Flares - Patrol [gov.noaa.ngdc.stp.solar.solar-features_solar-flares_patrol]
The H-alpha Flare Patrol identifies time periods each day when the sun is being continuously monitored by select ground-based solar observatories.

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