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Record #197506:
Geomagnetic activity at the Sodankylä observatory, 1914-2010 / Heikki Nevanlinna, Lasse Häkkinen, Tero Raita.
Title: | Geomagnetic activity at the Sodankylä observatory, 1914-2010 / Heikki Nevanlinna, Lasse Häkkinen, Tero Raita. |
Author(s): | Nevanlinna, Heikki. Häkkinen, Lasse. Raita, Tero. |
Date: | 2011. |
In: | Geophysica. (2011.), Vol. 47(1-2) (2011) |
Abstract: | Analyzes variations in space weather conditions at Sodankylä observatory (67.4°N, 26.6°E) since 1914, using magnetic activity index series consisting of daily Ak-numbers. Presents comparison of differences between manually-derived K-index numbers and those calculated by algorithm developed at Finnish Meteorological Institute. |
Notes: | Geophysica. Vol. 47(1-2) :31-42 (2011). |
Keywords: | 523.9 -- Sun and solar physics. 550.3 -- Geophysics. 550.38 -- Geomagnetism. 551.5 -- Meteorology. 711.42(2) -- Settlements and stations, specific: Sodankylä. D -- Atmospheric sciences. (*3) -- Arctic regions. (*56) -- Finland. |
SPRI record no.: | 197506 |
LDR 01324naa#a2200000#a#4500 001 SPRI-197506 005 20240319071244.0 007 ta 008 240319s2011####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-197506 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aNevanlinna, Heikki. 245 10 ‡aGeomagnetic activity at the Sodankylä observatory, 1914-2010 /‡cHeikki Nevanlinna, Lasse Häkkinen, Tero Raita. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2011. 300 ## ‡ap. 31-42 :‡bill., diags. 500 ## ‡aGeophysica. Vol. 47(1-2) :31-42 (2011). 520 3# ‡aAnalyzes variations in space weather conditions at Sodankylä observatory (67.4°N, 26.6°E) since 1914, using magnetic activity index series consisting of daily Ak-numbers. Presents comparison of differences between manually-derived K-index numbers and those calculated by algorithm developed at Finnish Meteorological Institute. 650 07 ‡a523.9 -- Sun and solar physics.‡2udc 650 07 ‡a550.3 -- Geophysics.‡2udc 650 07 ‡a550.38 -- Geomagnetism.‡2udc 650 07 ‡a551.5 -- Meteorology.‡2udc 650 07 ‡a711.42(2) -- Settlements and stations, specific: Sodankylä.‡2udc 650 07 ‡aD -- Atmospheric sciences.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*56) -- Finland.‡2udc 700 1# ‡aHäkkinen, Lasse. 700 1# ‡aRaita, Tero. 773 0# ‡7nnas ‡tGeophysica. ‡gVol. 47(1-2) (2011) ‡wSPRI-90230 916 ## ‡a2012/01/24 -- JW 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240319 ‡bJW