2021
DOI: 10.1002/essoar.10506858.1
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Superposed Epoch Analysis of Nighttime Magnetic Perturbation Events Observed in Arctic Canada

Abstract: The threat to both spaceborne and ground-based technological systems posed by extreme events in Earth's space environment has led in recent years to numerous observational and modeling studies of the impact of dynamical processes in the solar corona that are conveyed to Earth via the solar wind plasma and interplanetary magnetic field that interact with Earth's magnetosphere and ionosphere.The influence of extreme solar phenomena on Earth was first documented for the Carrington event of 1859 (Carrington, 1859)… Show more

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Cited by 3 publications
(5 citation statements)
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“…The other station data are shown in the panels above RANK in Figure 2 because they show nighttime GMD events from about 06:10 to 06:20 UT as well as 06:30 to 06:40 UT (Engebretson, 2023). The GMDs at both RBY and CDR have maximum derivative amplitudes exceeding 10 nT/s.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The other station data are shown in the panels above RANK in Figure 2 because they show nighttime GMD events from about 06:10 to 06:20 UT as well as 06:30 to 06:40 UT (Engebretson, 2023). The GMDs at both RBY and CDR have maximum derivative amplitudes exceeding 10 nT/s.…”
Section: Methodsmentioning
confidence: 99%
“…In the present analysis, TLA events (from the same subset of TLA events used in Section 5 from 2015 to 2019 and excluding KJPK and SALU, see Table S1 in Supporting Information S1) are analyzed in comparison with a data set of GMD events (Engebretson, 2023) that consists of nighttime GMDs that occurred at the RBY, CDR, and PGG stations from 2015 to 2019. In this subset of GMD events, there are 843 hour windows in which GMDs occurred and 236 of them exhibited associated TLA dB/dt intervals.…”
Section: Connection To Substorms and Gmd Eventsmentioning
confidence: 99%
“…Ground‐based magnetometer data used in this study were recorded at stations in the MACCS (Engebretson et al., 2011), AUTUMNX (Connors et al, 2016), CARISMA (Mann et al., 2023), and CANMOS (Calp, 2023) arrays in Eastern Arctic Canada. AUTUMNX data are available from the CDAWEB site (Papitashvili & King, 2020).…”
Section: Data Availability Statementmentioning
confidence: 99%
“…Ground-based magnetometer data used in this multi-year study were recorded at five stations in the MACCS (Engebretson et al, 2011) and AUTUMNX (Connors, 2023) arrays in Eastern Arctic Canada. The database of GMD events created in this study is available in the University of Michigan Deep Blue Data Repository (Engebretson, 2023). The three substorm lists accessed in this study are available from the SuperMAG web site (Gjerloev, 2023).…”
Section: Data Availability Statementmentioning
confidence: 99%
“…Vector magnetometer data used in this multi‐year study were recorded at five stations in the MACCS (Engebretson et al., 1995, 2011) and AUTUMNX (Connors et al., 2016; Reiter et al., 2021) arrays in Eastern Arctic Canada with corrected geomagnetic latitude (MLAT) ranging from 64.7° to 75.2°, all within 20° of the 0° magnetic meridian, as detailed in Table 1 and Figure 1. The Magnetometer Array for Cusp and Cleft Studies (MACCS) began operation in 1992, and the Athabasca University Themis UCLA Magnetometer Network‐Extended (AUTUMNX) began operation in late 2014.…”
Section: Magnetometer Data Setmentioning
confidence: 99%