Effects of substorm electrojet on declination along concurrent geomagnetic latitudes in the northern auroral zone | Journal of Space Weather and Space Climate

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Table 7.

The activity level at the selected observatories and variometers in 2011 and 2012. Max/Avg H dev is the maximum and average deviation in the horizontal magnetic field and Max/Avg D dev is the maximum and average deviation in the declination.

Location	Region	#substorms	Max H var (nT)	Avg H var (nT)	Max ± D var (°)		Avg D var (°)
2011
Bjørnøya	Barents Sea	242	−1197	−290	−2.23	4.79	0.19
Tromsø	Barents Sea	197	−1188	−328	−1.51	2.72	0.29
Amderma^*	Siberia	60	−1569	−354	−0.75	2.20	0.71
Dikson		153	−880	−333	−0.56	1.09	0.38
Pevek		131	−1217	−336	−2.17	1.19	−0.37
Tixie		173	−1088	−298	−2.36	1.23	−0.59
Barrow	Alaska	268	−1263	−327	−3.69	3.69	0.20
College		155	−2546	−392	−1.23	3.33	0.00
Deadhorse		257	−1418	−328	−3.24	1.33	−0.22
Fort Churchill	Canada/Greenland	210	−858	−266	−3.14	1.27	−0.21
Iqaluit		–	–	–	–	–	–
Nuuk		213	−872	−252	−1.93	2.00	−0.23
Ittoqqortoormiit		231	−919	−274	−2.35	1.67	−0.11
2012
Bjørnøya	Barents Sea	257	−885	−286	−1.59	2.70	0.07
Tromsø	Barents Sea	226	−899	−323	−1.83	2.55	0.24
Amderma	Siberia	190	−1086	−369	−3.34	5.00	0.83
Dikson^*		22	−882	−211	−2.66	1.12	−0.86
Pevek		175	−1303	−336	−1.88	1.47	−0.27
Tixie		212	−1071	−302	−2.87	1.84	−0.48
Tixie 1991^**		278	−1465	−392	−4.02	0.95	−0.56
Barrow	Alaska	288	−2329	−354	−2.59	4.00	0.22
College		197	−2379	−412	−1.20	2.34	0.00
Deadhorse		284	−1896	−345	−3.15	3.13	−0.29
Fort Churchill	Canada/Greenland	224	−1341	−295	−2.67	3.77	−0.24
Iqaluit		235	−797	−249	−4.27	0.71	−0.52
Nuuk		224	−981	−250	−1.66	1.09	−0.25
Ittoqqortoormiit		252	−739	−254	−1.85	1.72	−0.07

Poor dataset.

^**

Dataset is for 1991.

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