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51. Report from the 1985 ANARE expedition to Heard Island [Heard_Island_Report_1985]
Report of the 1985 A.N.A.R.E to Heard Island. This document contains the following scientific reports: Zoology - elephant seals, fur seals, General Zoology - leopard seals, fish, insects, birds; Botany ...


52. Coordinated magnetic observations at Macquarie Island during the STEP period [ASAC_2286]
Metadata record for data from ASAC Project 2286 See the link below for public details on this project. There are two global networks associated with these data, Old and New. The old network is the ...


53. Geomagnetic Variations Studies on Kerguelen Island [ASAC_314]
The data set contains the variation of the magnetic elements (North, East and Vertical) for 7 sites on Kerguelen at one minute interval. The data were recorded between 14/1/1988 and 18/2/1988. The ...


54. Geophysical imaging, structural analysis, alteration geochemistry of Macquarie Island crust, to constrain tectonic, and hydrothermal history of the ocean floor. [ASAC_2409]
Although oceanic crust covers about 60% of the Earth, relatively little is known of its geology and the processes that have created it. Macquarie Island represents a unique subaerial exposure of the ...


55. Geoscience Australia Geophysical Observatories [ASAC_760]
Geoscience Australia Geophysical Observatories Note, there are separate meta-data records for Geomagnetism and for seismology/nuclear monitoring. Brief summary: AGSO operates ...


56. Interpretation of airborne geophysical data acquired during PCMEGA [ASAC_2561]
Metadata record for data from ASAC Project 2561 See the link below for public details on this project. The project aims to investigate the multidimensional sub-surface structures in the southern ...


57. Ionospheric dynamics in the polar cap [ASAC_949]
The aim is to measure structure and drift in polar-cap ionospheric layers in order to test current theories and models, identify unexplained behaviour and develop theoretical explanations. The polar ...


58. Monitoring of the Antarctic geomagnetic field and VLF variations for trends [ASAC_507]
The interaction between the solar wind and the Earth's magnetic field creates a vast magnetic cavity within the solar wind flow, known as the magnetosphere. Through various solar wind-magnetosphere ...


59. Observations of ULF space plasma waves in Antarctica [ASAC_606]
This project records ultra-low frequency (ULF) waves in the 1mHz - 3Hz band at the Antarctic stations Davis, Casey, Mawson, and Macquarie Island and Zhongshan (PRC station). Search coil magnetometers ...


60. Observatory Operations - All Sky Imager Data from the Australian Antarctic Territory and Macquarie Island [ASAC_527_allsky]
All Sky Imager Systems (ASIS) are deployed at Casey, Davis, Macquarie island and Mawson. These systems are autonomous data collection systems which record All Sky Imager data during periods of darkness ...


61. Observatory Operations - Riometer and Magnetometer Data from the Australian Antarctic Territory and Riometer Data from Macquarie Island [ASAC_527]
An analogue data acquisition system (ADAS), designed to collect time-stamped, time series data from any analogue signal is currently used to log data from the riometer, magnetic pulsations and fluxgate ...


62. Publications by Geoscience Australia relating to Australian Antarctic geomagnetic observatory data [ASAC_760_geomag]
This data contains references to publications which were produced by the Australian Geological Survey Organisation (AGSO) between 1994 and 1997, using data from the Australian Antarctic geomagnetic ...


63. Southern Ocean Magnetometer Experiment (SOMEx) [ASAC_852]
The SOMEx (Southern Ocean Magnetometer Experiment) experiment deployed four seafloor magnetomoeters in 1996, to measure changing magnetic fields on the floor of the southern ocean. Two were recovered ...


64. Vertical Electric Field measurements at Davis Station, Antarctica 1988 to 1994 [ASAC_25]
A visual scan of the data from March 1988 to December 1990 was undertaken to identify cases where correlations with local phenomena were apparent. The bulk of the correlations found were with wind ...


65. Airborne Magnetic Trackline and Survey Data (Vector and Scalar Observations) [gov.noaa.ngdc.G01150]   CHILD DIFs
The National Geophysical Data Center (NGDC) receive airborne magnetic survey data from US and non-US agencies. In an effort to provide a central library for digital aeromagnetic data in the public ...


66. Geoscience Australia Antarctic geodetic and geophysical monitoring program [AAS_4092_1159]   CHILD DIFs
Geoscience Australia operates an integrated geophysical observing system in Australia, its neighbouring region and Antarctica. This program represents the Antarctic and sub-Antarctic components of ...


67. Locating an ice-covered Antarctic landfill using ground magnetometry [AAS_4029_Magnetometry]
The abandoned Wilkes Station remains a significant waste problem in Antarctica with a large proportion of this waste buried in the ice for much of the year. A large proportion of this waste is locked ...


68. Magnetic Observations [Absolutes]
Final one minute average values of the absolute geomagnetic field in the north (X), east (Y) and vertical (Z) components in units of nanoTesla (nT). Magnetic variometer data have been collected at ...


69. Solar Geophysical Data (SGD) Reports (1955-2009) [gov.noaa.ngdc.stp.solar.solar_geophysical_data]
Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide network ...


70. Downhole Logging Data from the Deep Sea Drilling Project [gov.noaa.ngdc.mgg.well_log.G00913]
Digital downhole wire-line logging data from the Deep Sea Drilling Project (DSDP) previously available from NGDC on CD-ROM are now available from the Borehole Research Group of the Lamont-Doherty ...


71. Worldwide Well Logs with Values of Conductivity, Bulk Density, Porosity, Grain Density, Resistivity, and Sonic Ratio Collected by the Ocean Drilling Program (ODP) [gov.noaa.ngdc.mgg.well_log.G04191]
World-wide digital well log data collected for the Ocean Drilling Program (ODP) by Schlumberger Offshore Services under contract to Texas A&M University. The data were in turn converted to ASCII form ...


72. 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. ...


73. Geomagnetic Storm Sudden Commencements [gov.noaa.ngdc.stp.geomag.G01184]
Storm Sudden Commencements (ssc) 1868 to present: STORM1 and STORM2 Lists: (Some text here is taken from the International Association of Geomagnetism and Aeronomy (IAGA) Bulletin 39) 1868-1967 data ...


74. A Report on Geomagnetic Observatories, 1995 [gov.noaa.ngdc.stp.geomag.G01289]
Report on the status of world wide geomagnetic observatories


75. AA Geomagnetic Activity Indices From Two Antipodal Observatories in Australia and England [gov.noaa.ngdc.stp.indices.G00588]
The National Geophysical Data Center receives, on a monthly basis, indices that are based on the data from two approximately antipodal observatories in England and Australia. The AA-indices are available ...


76. AA Index [gov.noaa.ngdc.stp.indices.AA]
The geomagnetic aa index provides a long climatology of global geomagnetic activity using 2 antipodal observatories at Greenwich and Melbourne- IAGA Bulletin 37, 1975 p. 128


77. AM Index [gov.noaa.ngdc.stp.indices.AM]
Geomagnetic Range index using data from multiple observatories - Mayaud 1948


78. AP Index [gov.noaa.ngdc.stp.indices.AP]
Planetary Amplitude index - Bartels 1951. The a-index ranges from 0 to 400 and represents a K-value converted to a linear scale in gammas (nanoTeslas)--a scale that measures equivalent disturbance ...


79. Air Force Geophysics Laboratory Magnetometer Network [gov.noaa.ngdc.stp.geomag.G09997]
This file is comprised of the variation one minute values of the geomagnetic components X, Y and Z. These data were calculated by the Air Force Geophysics Laboratory magnetometer network during the ...


80. An Index (PC) Aimed at Monitoring the (P)olar (C)ap for Magnetic Activity [gov.noaa.ngdc.stp.indices.G01118]
PC is an index for magnetic activity in the (P)olar (C)ap. It is based on data from a single nearpole station, and aimed to monitor the polar cap magnetic activity generated by such solar wind parameters ...


81. Auroral Electrojet Index Designed to Provide a Global Measure, Hourly Intervals, of Auroral Zone Magnetic Activity [gov.noaa.ngdc.stp.indices.G00115]
The Auroral Electrojet (AE) index is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the auroral ...


82. Auroral Electrojet Index Designed to Provide a Global Measure, l-minute Intervals, of Auroral Zone Magnetic Activity [gov.noaa.ngdc.stp.indices.G00114]
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 ...


83. 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 ...


84. Boulder Magnetic Observatory [gov.noaa.ngdc.stp.geomag.G10130]
These data are vector and scalar component values of the Earth's magnetic field for 2004 recorded at the Boulder Magnetic Observatory in Colorado. Vector values are measured using 3 mutually orthogonal ...


85. 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 ...


86. Digitized Historical Geomagnetic Publications in PDF format [gov.noaa.ngdc.stp.geomag.G10162]
A catalog of 732 historical geomagnetic publications that were at risk of loss have been digitized and converted in pdf documents.


87. 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 ...


88. Geomagnetic Components D, H, X, Y, Z, and R 10-second Instantaneous Measurements [gov.noaa.ngdc.stp.geomag.G00122]
These data are generated as part of the International Magnetospheric Study. The file consists of 10-second instantaneous measurements for the geomagnetic components D, H, X, Y, Z and R. The 10 second ...


89. Geomagnetic Indices Bulletin (GIB) [gov.noaa.ngdc.stp.geomag.G01344]
The Geomagnetic Indices Bulletin is a one page sheet containing the magnetic indices Kp, Ap, Cp, An, As, Am and the provisional aa indices. The bulletin is published monthly.


90. Geomagnetic Kn, Ks, Km Indices [gov.noaa.ngdc.stp.indices.G01185]
A full description of the indices Kn, Ks, Km is given in a monography,"Indices Kn, Ks et Km, 1964-1967", edited in 1968 by the Centre National de la Recherche Scientifique, 15 quai Anatole, France, ...


91. Geomagnetic Observatory 10 Second Data [gov.noaa.ngdc.stp.geomag.G10122]
Geomagnetic 10 second data provides high temporal resolution of geomagnetic variations


92. Geomagnetic Observatory 2.5 Minute Data [gov.noaa.ngdc.stp.geomag.G10121]
Geomagnetic variation data with 2.5 minute resolution


93. Geomagnetic Observatory Annual Means Data [gov.noaa.ngdc.stp.geomag.G10118]
The National Geophysical Data Center / World Data Center, Boulder maintains an active database of worldwide geomagnetic observatory data. Historically, magnetic observatories were established to monitor ...


94. Geomagnetic Observatory Hourly Data [gov.noaa.ngdc.stp.geomag.G10119]
Geomagnetic Hourly Averages from world wide observatories


95. Geomagnetic Observatory One Minute Data [gov.noaa.ngdc.stp.geomag.G10120]
Geomagnetic One Minute Means from world wide observatories


96. Geomagnetic Principal Magnetic Storms [gov.noaa.ngdc.stp.geomag.G01183]
The abbreviations used for observatory names are as follows: GEOMAGNETIC OBSERVATORIES Code Station Geomagnetic Latitude ABG Alibag AMS Martin de Vivie. These data present the principal magnetic storms ...


97. Geomagnetic Variation Data - 1-Minute Remote Geophysical Observatory Network (RGON) [gov.noaa.ngdc.stp.geomag.G00124]
This data file was generated as part of the International Magnetospheric Study (IMS). The file consists of values of the geomagnetic components D, H, X, Y, Z, and R averaged from 10-second instantaneous ...


98. Geomagnetic aa Indices [gov.noaa.ngdc.stp.indices.G00020]
The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International Association of Geomagnetism and Aeronomy ...


99. 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) ...


100. Intermagnet definitive observatory data [gov.noaa.ngdc.stp.geomag.G10161]
1 minute and hourly values reported as definitive from Intermagnet observatories.


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