FYS 3610 Research infrastructure and substorm aurora
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1 FYS 3610 Research infrastructure and substorm aurora
2 Research Infrastructure Main installations for Space Research in North Norway and Svalbard Longyearbyen UNIS, EISCAT Svalbard Radar The auroral station Ny-Ålesund Norwegian polar institute, SvalRak North-Norway ARS, EISCAT
3 The Earth rotates underneath the auroral oval
4 The Uniqueness about Svalbard Ideally located for daytime auroral measurements Well developed research infrastructure Multi-instrument observations
5 UNIS 14 full-time scientists And ~100 students
6 The auroral station, LYR Owned by the University of Tromsø Operated by UNIS Ca. 22 instruments, 16 institutions from 8 nations
7 The new auroral station, LYR 15 out of 32 domes will be used after moving the instruments from Adventdalen.
8 Location of the new station
9 Why? Old station in Adventdalen is too small! Light pollution from Longyearbyen has increased! We need new improved working conditions! Space to accommodate new instruments and partners! Co-location with EISCAT and others Improved teaching and training facilities Continue and quality improve our long term measurements Keep the old station s scientific momentum Get away from sand storms in Adventdalen during autumn and spring Secure the field of auroral optics!
10 Ny-Ålesund Auroral Platform Key instruments: Meridian Scanning Photometer 4 channels All-Sky Camera (5 positions filter wheel)
11 All-sky field of view coverage NY A LY R ARS
12 FAST passasje gjennom Nordlyset
13 EISCAT Scientific Association 3 Incoherent Scatter Radar Systems: Tromsø UHF (933 MHz) - 3-static with receivers at Kiruna and Sodankylä Tromsø VHF (224 MHz) Eiscat Svalbard Radar - dual antenna system (500 MHz) Associated countries: Germany, France, Finland, Japan, Norway, Sweden, UK
14 ARS and Svalrak ISAS launch Nov/Dec 2000
15 Ground support for CLUSTER 13:40 30 Nov, 2000
16 Solar-Terrestrial interaction
17 The Terella Experiment
18 The Sun- A boiling soup of plasma
19 CME
20 The solar wind
21 Aurora a visualisation of solar terrestrial coupling
22 Solar wind interaction with the Earth s magnetic field
23 NORDLYS Nordlys sett fra romferga Challenger
24 Aurora Borealis Aurora Australis
25 IMF North Good shield N S N South IMF S Bad shield
26 Dynamics of thesubstorm expansion phase
27 Auroral and Magnetic Signatures associated with substorm onset
28 Magnetometers
29 Subtorm phases T=0 T=0-5 min T=5-10 min T=10-30 min T=30-60 min T=1-2 hours
30 Colors in the aurora nm red upper border Atomic oxygen: 1 D- 1 S transition nm green Atomic oxygen : 1 D - 3 P transition nm magenta bottom border N + 2-1st negative band Figure: Farge som funksjon av høyde
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