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Egbert et al GRL 2000.pdf Public Deposited

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  • Magnetotelluric (MT) data from two sites 150 and 300 km southeast of San Francisco, California (geomagnetic dipole latitude: 43 degrees, L approximately 1.9) show that the usual MT assumption of spatially uniform external magnetic fields is violated to a significant degree in the period range 10-30 s. Inter-station transfer functions exhibit large systematic temporal variations which are consistent with a combination of two distinct sources: electromagnetic noise due to the San Francisco Bay Area Rapid Transit (BART) DC electric railway, and Pc3 geomagnetic pulsations. There is a suggestion in the data that some of the Pc activity may actually be excited by BART.
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  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2010-04-27T22:43:50Z (GMT) No. of bitstreams: 2 Egbert et al GRL Correction 2000.pdf: 39529 bytes, checksum: 4cec97f3264860d0c12ced6201a76b8a (MD5) Egbert et al GRL 2000.pdf: 490970 bytes, checksum: 48c4383e9ca364668f0ecb09d201be60 (MD5)
  • description.provenance : Submitted by Mary Phan (mpscanner@gmail.com) on 2010-04-27T20:53:09Z No. of bitstreams: 2 Egbert et al GRL Correction 2000.pdf: 39529 bytes, checksum: 4cec97f3264860d0c12ced6201a76b8a (MD5) Egbert et al GRL 2000.pdf: 490970 bytes, checksum: 48c4383e9ca364668f0ecb09d201be60 (MD5)
  • description.provenance : Made available in DSpace on 2010-04-27T22:43:51Z (GMT). No. of bitstreams: 2 Egbert et al GRL Correction 2000.pdf: 39529 bytes, checksum: 4cec97f3264860d0c12ced6201a76b8a (MD5) Egbert et al GRL 2000.pdf: 490970 bytes, checksum: 48c4383e9ca364668f0ecb09d201be60 (MD5) Previous issue date: 2000-01-01

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