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http://library.iigm.res.in:8080/xmlui/handle/123456789/156| Title: | Study of total magnetic field intensity variation (F) at Maitri, Antarctica variations over 1922-1996 |
| Authors: | Patil, A. Dhar, Ajay Sankaran, S. Rajaram, G. |
| Keywords: | Proton precession magnetometer Indian Antarctic station |
| Issue Date: | 1999 |
| Citation: | 15th Indian Expedition to Antarctica, Scientific Report, D.O.D., Technical Publication No.13, p.21-37, 1999. |
| Abstract: | The total geomagnetic field intensity (F) was recorded at the Indian Antarctic Station, Maitri (MAI), during Jan 1996, using a Proton Precession Magnetometer (PPM). The PPM data was compared with the variations in intensity of the three orthogonal components of the geomagnetic field X, Y and recorded by using a Fluxgate Magnetometer (FM). The F values as expected, showed a matching trend with the Z component during magnetically quiet conditions. During magnetically disturbed conditions however, a sizeable contribution from the other two components X and Y, was also observed. A remarkable observation was that the total field at Maitri, when compared to the value at this geographic location from previous records had declined by 9000 nT over the period .1922-1996. |
| URI: | http://localhost:8080/xmlui/handle/123456789/156 |
| Appears in Collections: | PLR_Upper_Atmosphere_Reprints |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| DharA_PatilA_15IndExpAntarctica_1999_1.pdf | Reprint | 3.39 MB | Adobe PDF | View/Open |
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