-
1
-
-
33747946468
-
Ionospheric elementary current systems in spherical coordinates and their application
-
Amm, O.: Ionospheric Elementary Current Systems in Spherical Coordinates and Their Application, J. Geomag. Geoelectr., 49, 947-955, 1997.
-
(1997)
J. Geomag. Geoelectr.
, vol.49
, pp. 947-955
-
-
Amm, O.1
-
2
-
-
0033384572
-
Ionospheric disturbance magnetic field continuation from the ground to the ionosphere using spherical elementary current systems
-
Amm, O. and Viljanen, A.: Ionospheric disturbance magnetic field continuation from the ground to the ionosphere using spherical elementary current systems, Earth Planets Space, 51, 431-440, 1999.
-
(1999)
Earth Planets Space
, vol.51
, pp. 431-440
-
-
Amm, O.1
Viljanen, A.2
-
3
-
-
0036837005
-
GIC observations and studies in the Hydro-Quebec power system
-
Bolduc, L.: GIC observations and studies in the Hydro-Quebec power system, J. Atmos. Sol.-Terr. Phys., 64, 1793-1802, 2002.
-
(2002)
J. Atmos. Sol.-Terr. Phys.
, vol.64
, pp. 1793-1802
-
-
Bolduc, L.1
-
4
-
-
0001909216
-
The complex-image method for calculating the magnetic and electric fields produced at the surface of the Earth by the auroral electrojet
-
Boteler, D. H. and Pirjola, R. J.: The complex-image method for calculating the magnetic and electric fields produced at the surface of the Earth by the auroral electrojet, Geophys. J. Int., 132, 31-40, 1998.
-
(1998)
Geophys. J. Int.
, vol.132
, pp. 31-40
-
-
Boteler, D.H.1
Pirjola, R.J.2
-
5
-
-
0031784730
-
The effects of geomagnetic disturbances on electrical systems at the Earth's surface
-
Boteler, D. H., Pirjola, R. J.,and Nevanlinna, H.: The effects of geomagnetic disturbances on electrical systems at the Earth's surface, Adv. Space Res., 22, 17-27, 1998.
-
(1998)
Adv. Space Res.
, vol.22
, pp. 17-27
-
-
Boteler, D.H.1
Pirjola, R.J.2
Nevanlinna, H.3
-
6
-
-
0018491089
-
The fundamental model of magnetotelluric sounding
-
Dmitriev, V. and Berdichevsky, M.: The fundamental model of magnetotelluric sounding, IEEE Proc., 67, 1034, 1979.
-
(1979)
IEEE Proc.
, vol.67
, pp. 1034
-
-
Dmitriev, V.1
Berdichevsky, M.2
-
7
-
-
0005351240
-
Multisheet modelling of the electrical conductivity structure in the Fennoscandian Shield
-
and the BEAR Working Group
-
Engels, M., Korja, T., and the BEAR Working Group: Multisheet modelling of the electrical conductivity structure in the Fennoscandian Shield, Earth Planets Space, 54, 559-573, 2002.
-
(2002)
Earth Planets Space
, vol.54
, pp. 559-573
-
-
Engels, M.1
Korja, T.2
-
8
-
-
0036305087
-
Management of the geomagnetically induced current risks on the national grid company's electric power transmission system
-
Erinmez, I. A., Kappenman, J. G., and Radasky, W. A.: Management of the geomagnetically induced current risks on the national grid company's electric power transmission system, J. Atmos. Sol.-Terr. Phys., 64, 743-756, 2002.
-
(2002)
J. Atmos. Sol.-Terr. Phys.
, vol.64
, pp. 743-756
-
-
Erinmez, I.A.1
Kappenman, J.G.2
Radasky, W.A.3
-
9
-
-
0242392881
-
A neural network-based local model for prediction of geomagnetic disturbances
-
Gleisner, H. and Lundstedt, H.: A neural network-based local model for prediction of geomagnetic disturbances, J. Geophys. Res., 106, 8425-8433, 2001.
-
(2001)
J. Geophys. Res.
, vol.106
, pp. 8425-8433
-
-
Gleisner, H.1
Lundstedt, H.2
-
10
-
-
0036836768
-
GIC effects on pipeline corrosion control systems
-
Gummow, R. A.: GIC effects on pipeline corrosion control systems, J. Atmos. Sol.-Terr. Phys., 64, 1755-1764, 2002.
-
(2002)
J. Atmos. Sol.-Terr. Phys.
, vol.64
, pp. 1755-1764
-
-
Gummow, R.A.1
-
11
-
-
30744455211
-
Geomagnetic storms and their impact on power systems
-
May 1996
-
Kappenman, J. G.: Geomagnetic Storms and Their Impact on Power Systems, IEEE Power Engineering Review, May 1996, 5-8, 1996.
-
(1996)
IEEE Power Engineering Review
, pp. 5-8
-
-
Kappenman, J.G.1
-
12
-
-
0034460438
-
Advanced geomagnetic storm forecasting: A risk management tool for electric power system operations
-
Kappenman, J. G., Radasky, W. A., Gilbert, J. L., and Erinmez, I. A.: Advanced Geomagnetic Storm Forecasting: A Risk Management Tool for Electric Power System Operations, IEEE T. Plasma Sci., 28, 2114-2121, 2000.
-
(2000)
IEEE T. Plasma Sci.
, vol.28
, pp. 2114-2121
-
-
Kappenman, J.G.1
Radasky, W.A.2
Gilbert, J.L.3
Erinmez, I.A.4
-
13
-
-
0005300587
-
Crustal conductivity in Fennoscandia - A compilation of a database on crustal conductance in the Fennoscandian Shield
-
the BEAR Working Group
-
Korja, T., Engels, M., Zhamaletdinov, A. A., Kovtun, A. A., Palshin, N. A., Smirnov, M. Yu., Tokarev, A. D., Asming, V. E., Vanyan, L. L., Vardaniants, I. L., and the BEAR Working Group: Crustal conductivity in Fennoscandia - a compilation of a database on crustal conductance in the Fennoscandian Shield, Earth Planets Space, 54, 535-558, 2002.
-
(2002)
Earth Planets Space
, vol.54
, pp. 535-558
-
-
Korja, T.1
Engels, M.2
Zhamaletdinov, A.A.3
Kovtun, A.A.4
Palshin, N.A.5
Smirnov M., Yu.6
Tokarev, A.D.7
Asming, V.E.8
Vanyan, L.L.9
Vardaniants, I.L.10
-
14
-
-
0036529493
-
GIC Occurrences and GIC test for 400 kV system transformer
-
Lahtinen, M. and Elovaara, J.: GIC Occurrences and GIC Test for 400 kV System Transformer, IEEE T. Power Delivery, 17, 555-561, 2002.
-
(2002)
IEEE T. Power Delivery
, vol.17
, pp. 555-561
-
-
Lahtinen, M.1
Elovaara, J.2
-
15
-
-
0022236221
-
Currents produced in earthed conductor networks by geomagnetically-induced electric fields
-
Lehtinen, M. and Pirjola, R.: Currents produced in earthed conductor networks by geomagnetically-induced electric fields, Ann. Geophysicae, 3, 479-484, 1985.
-
(1985)
Ann. Geophysicae
, vol.3
, pp. 479-484
-
-
Lehtinen, M.1
Pirjola, R.2
-
16
-
-
0028317864
-
SUNBURST - A network of GIC monitoring systems
-
Lesher, R. L., Porter, J. W., and Byerly, R. T.: SUNBURST - A Network of GIC Monitoring Systems. IEEE T. Power Deliver., 9, 128-137, 1994.
-
(1994)
IEEE T. Power Deliver.
, vol.9
, pp. 128-137
-
-
Lesher, R.L.1
Porter, J.W.2
Byerly, R.T.3
-
17
-
-
0034290004
-
Wait's complex-image principle generalized to arbitrary sources
-
Lindell, I. V., Hänninen, J. J., and Pirjola, R.: Wait's Complex-Image Principle Generalized to Arbitrary Sources, IEEE T. Antennas Propagat., 48, 1618-1624, 2000.
-
(2000)
IEEE T. Antennas Propagat.
, vol.48
, pp. 1618-1624
-
-
Lindell, I.V.1
Hänninen, J.J.2
Pirjola, R.3
-
18
-
-
2142852066
-
Modelling of natural sources of magnetospheric origin in the interpretation of regional induction studies: A review
-
Mareschal, M.: Modelling of natural sources of magnetospheric origin in the interpretation of regional induction studies: a review, Surv. Geophys., 8, 261-300, 1986.
-
(1986)
Surv. Geophys.
, vol.8
, pp. 261-300
-
-
Mareschal, M.1
-
19
-
-
0036836906
-
Why utilities respect geomagnetically induced currents
-
Molinski, T. S.: Why utilities respect geomagnetically induced currents, J. Atmos. Sol.-Terr. Phys., 64, 1765-1778, 2002.
-
(2002)
J. Atmos. Sol.-Terr. Phys.
, vol.64
, pp. 1765-1778
-
-
Molinski, T.S.1
-
20
-
-
0031803499
-
Currents induced by geomagnetic storms on buried pipelines as a cause of corrosion
-
Osella, A., Favetto, A., and Lopez, E.: Currents induced by geomagnetic storms on buried pipelines as a cause of corrosion, J. Appl. Geophys., 38, 219-233, 1998.
-
(1998)
J. Appl. Geophys.
, vol.38
, pp. 219-233
-
-
Osella, A.1
Favetto, A.2
Lopez, E.3
-
21
-
-
0024530583
-
Source field problems in northern part of the Baltic Shield
-
Osipova, I. L., Hjelt, S. E., and Vanyan, L. L.: Source field problems in northern part of the Baltic Shield, Phys. Earth Planet. Int., 53, 337-342, 1989.
-
(1989)
Phys. Earth Planet. Int.
, vol.53
, pp. 337-342
-
-
Osipova, I.L.1
Hjelt, S.E.2
Vanyan, L.L.3
-
22
-
-
0040235806
-
Complex image method for calculating electric and magnetic fields produced by an auroral electrojet of a finite length
-
Pirjola, R. and Viljanen, A.: Complex image method for calculating electric and magnetic fields produced by an auroral electrojet of a finite length, Ann. Geophysicae, 16, 1434-1444, 1998.
-
(1998)
Ann. Geophysicae
, vol.16
, pp. 1434-1444
-
-
Pirjola, R.1
Viljanen, A.2
-
23
-
-
85039571413
-
-
accepted for publication in Adv. Space Res
-
Pirjola, R., Pulkkinen, A., and Viljanen, A.: Studies of Space Weather Effects on the Finnish Natural Gas Pipeline and on the Finnish High-Voltage Power System, accepted for publication in Adv. Space Res., 2002.
-
(2002)
Studies of Space Weather Effects on the Finnish Natural Gas Pipeline and on the Finnish High-Voltage Power System
-
-
Pirjola, R.1
Pulkkinen, A.2
Viljanen, A.3
-
24
-
-
0003621167
-
Large geomagnetically induced currents in the Finnish high-voltage power system
-
and BEAR Working Group
-
Pulkkinen, A., Viljanen, A., Pirjola, R., and BEAR Working Group: Large geomagnetically induced currents in the Finnish high-voltage power system, Finn. Meteorol. Inst. Rep., 2000:2, 99 pp., 2000.
-
(2000)
Finn. Meteorol. Inst. Rep. 2000
, vol.2
, pp. 99
-
-
Pulkkinen, A.1
Viljanen, A.2
Pirjola, R.3
-
25
-
-
0035731870
-
Modelling of space weather effects on pipelines
-
Pulkkinen, A., Pirjola, R., Boteler, D., Viljanen, A., and Yegorov, I.: Modelling of space weather effects on pipelines, J. Appl. Geophys., 48, 233-256, 2001a.
-
(2001)
J. Appl. Geophys.
, vol.48
, pp. 233-256
-
-
Pulkkinen, A.1
Pirjola, R.2
Boteler, D.3
Viljanen, A.4
Yegorov, I.5
-
26
-
-
0035732923
-
Recordings and occurrence of geomagnetically induced currents in the Finnish natural gas pipeline network
-
Pulkkinen, A., Viljanen, A., Pajunpää, K., and Pirjola, R.: Recordings and occurrence of geomagnetically induced currents in the Finnish natural gas pipeline network, J. Appl. Geophys., 48, 219-231, 2001b.
-
(2001)
J. Appl. Geophys.
, vol.48
, pp. 219-231
-
-
Pulkkinen, A.1
Viljanen, A.2
Pajunpää, K.3
Pirjola, R.4
-
27
-
-
33846043812
-
Ionospheric equivalent current distributions determined with the method of spherical elementary current systems
-
and BEAR Working Group: doi:10.1029/2001JA005085
-
Pulkkinen, A., Amm, O., Viljanen, A., and BEAR Working Group: Ionospheric equivalent current distributions determined with the method of spherical elementary current systems, J. Geophys. Res., 108(A2), 1053, doi:10.1029/2001JA005085, 2003a.
-
(2003)
J. Geophys. Res.
, vol.108
, Issue.A2
, pp. 1053
-
-
Pulkkinen, A.1
Amm, O.2
Viljanen, A.3
-
28
-
-
1142300639
-
Separation of the geomagnetic variation field into external and internal parts using the spherical elementary current system method
-
and BEAR Working Group
-
Pulkkinen, A., Amm, O., Viljanen, A., and BEAR Working Group: Separation of the geomagnetic variation field into external and internal parts using the spherical elementary current system method. Earth Planets Space, 55, 117-129, 2003b.
-
(2003)
Earth Planets Space
, vol.55
, pp. 117-129
-
-
Pulkkinen, A.1
Amm, O.2
Viljanen, A.3
-
29
-
-
0038456032
-
April 2000 storm: Ionospheric drivers of large geomagnetically induced currents
-
Pulkkinen, A., Thomson, A., Clarke, E., and McKay, A.: April 2000 storm: ionospheric drivers of large geomagnetically induced currents, Ann. Geophysicae, 21, 709-717, 2003c.
-
(2003)
Ann. Geophysicae
, vol.21
, pp. 709-717
-
-
Pulkkinen, A.1
Thomson, A.2
Clarke, E.3
McKay, A.4
-
30
-
-
39449114713
-
At substorm onset, 40% of AL comes from underground
-
Tanskanen, E. I., Viljanen, A., Pulkkinen, T. I., Pirjola, R., Häkkinen, L., Pulkkinen, A., and Amm, O.: At substorm onset, 40% of AL comes from underground, J. Geophys. Res., 106, 13 119-13 134, 2001.
-
(2001)
J. Geophys. Res.
, vol.106
, pp. 13119-13134
-
-
Tanskanen, E.I.1
Viljanen, A.2
Pulkkinen, T.I.3
Pirjola, R.4
Häkkinen, L.5
Pulkkinen, A.6
Amm, O.7
-
31
-
-
0000190889
-
The complex image approximation for induction in a Multilayered earth
-
Thomson, D. J., and Weaver, J. T.: The Complex Image Approximation for Induction in a Multilayered Earth, J. Geophys. Res., 80, 123-129, 1975.
-
(1975)
J. Geophys. Res.
, vol.80
, pp. 123-129
-
-
Thomson, D.J.1
Weaver, J.T.2
-
32
-
-
0036330753
-
Modelling of geomagnetic induction in pipelines
-
Trichtchenko, L. and Boteler, D. H.: Modelling of geomagnetic induction in pipelines, Ann. Geophysicae, 20, 1063-1072, 2002.
-
(2002)
Ann. Geophysicae
, vol.20
, pp. 1063-1072
-
-
Trichtchenko, L.1
Boteler, D.H.2
-
33
-
-
0142035820
-
Modeling the spatial structure of the high latitude magnetic perturbations and the related current systems
-
Valdivia, J. A., Vassiliadis, D., Klimas, A., and Sharma, A. S.: Modeling the spatial structure of the high latitude magnetic perturbations and the related current systems, Physics of Plasmas, 6, 4185-4194, 1999.
-
(1999)
Physics of Plasmas
, vol.6
, pp. 4185-4194
-
-
Valdivia, J.A.1
Vassiliadis, D.2
Klimas, A.3
Sharma, A.S.4
-
34
-
-
0024922017
-
Statistics on geomagnetically-induced currents in the Finnish 400 kV power system based on recordings of geomagnetic variations
-
Viljanen, A. and Pirjola, R.: Statistics on geomagnetically-induced currents in the Finnish 400 kV power system based on recordings of geomagnetic variations. J.Geomagnetism and Geoelectricity, 41, 411-420, 1989.
-
(1989)
J.Geomagnetism and Geoelectricity
, vol.41
, pp. 411-420
-
-
Viljanen, A.1
Pirjola, R.2
-
35
-
-
0000412565
-
Modelling geomagnetically induced currents during different ionospheric situations
-
Viljanen, A., Amm, O., and Pirjola, R.: Modelling Geomagnetically Induced Currents During Different Ionospheric Situations, J. Geophys. Res., 104, 28 059-28 072, 1999a.
-
(1999)
J. Geophys. Res.
, vol.104
, pp. 28059-28072
-
-
Viljanen, A.1
Amm, O.2
Pirjola, R.3
-
36
-
-
0009007784
-
Magnetotelluric source effect due to 3-D ionospheric current systems using the complex image method for 1-D conductivity structures
-
Viljanen, A., Pirjola, R., and Amm, O.: Magnetotelluric source effect due to 3-D ionospheric current systems using the complex image method for 1-D conductivity structures. Earth Planets Space, 51, 933-945, 1999b.
-
(1999)
Earth Planets Space
, vol.51
, pp. 933-945
-
-
Viljanen, A.1
Pirjola, R.2
Amm, O.3
-
37
-
-
0035602768
-
Time derivative of the horizontal geomagnetic field as an activity indicator
-
Viljanen, A., Nevanlinna, H., Pajunpää, K., and Pulkkinen, A.: Time derivative of the horizontal geomagnetic field as an activity indicator, Ann. Geophysicae, 19, 1107-1118, 2001.
-
(2001)
Ann. Geophysicae
, vol.19
, pp. 1107-1118
-
-
Viljanen, A.1
Nevanlinna, H.2
Pajunpää, K.3
Pulkkinen, A.4
-
38
-
-
0001681599
-
On the image representation of the quasi-static fields of a line current source above the ground
-
Wait, J. R. and Spies, K. P.: On the image representation of the quasi-static fields of a line current source above the ground, Can. J. Phys., 47, 2731-2733, 1969.
-
(1969)
Can. J. Phys.
, vol.47
, pp. 2731-2733
-
-
Wait, J.R.1
Spies, K.P.2
-
39
-
-
0242669392
-
Coupling of the solar wind to temporal fluctuations in ground magnetic fields
-
doi:10.1029/2002GL014740
-
Weigel, R. S., Vassiliadis, D., and Klimas, A. J.: Coupling of the solar wind to temporal fluctuations in ground magnetic fields, Geophys. Res. Lett., 29, No. 19, doi:10.1029/2002GL014740, 2002.
-
(2002)
Geophys. Res. Lett.
, vol.29
, Issue.19
-
-
Weigel, R.S.1
Vassiliadis, D.2
Klimas, A.J.3
|