THEMIS/GBO CDR Peer Review THEMIS – A Canadian Perspective Eric Donovan – University of Calgary April 26, 2004.

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Presentation transcript:

THEMIS/GBO CDR Peer Review THEMIS – A Canadian Perspective Eric Donovan – University of Calgary April 26, 2004

THEMIS/GBO CDR Peer Review THEMIS – A Canadian Perspective 1.A brief history of substorm work in Canada 2.Canadian GeoSpace Monitoring 3.A Canadian’s take on the THEMIS mission concept 4.Coverage of the region where onsets occur 5.Data from the ASI prototype 6.A few thoughts on the data 7.THEMIS-C tasks

THEMIS/GBO CDR Peer Review 3 Univ.of Calgary, Apr , 2004 A Canadian Perspective From Atkinson, JGR, 1967.

THEMIS/GBO CDR Peer Review 4 Univ.of Calgary, Apr , 2004 A Canadian Perspective A brief history of substorm work in Canada: 1.Current disruption & the substorm current wedge (Atkinson) 2.The phenomenology of the negative H bay, wedge, etc (Rostoker) 3.Substorm onset embedded deep within the CPS (Murphree, Elphinstone) 4.Substorm onset in an arc embedded in the bright proton aurora (Samson) 5.Role of ballooning in onset (Samson, Voronkov) 6.Global vs local stretching (Jayachandran, Donovan) 7.Possible role of ionospheric oxygen in the substorm (Cully) 8.Onset arc sometimes not pre-existing (Lyons, Voronkov) 9.Many many other contributions (graduate work, etc) The substorm is high priority problem in Canada: 1.One of five “grand-challenge” problems in CGSM 2.THEMIS-C 3.ICS-8

THEMIS/GBO CDR Peer Review 5 Univ.of Calgary, Apr , 2004 A Canadian Perspective Present 40Fluxgates 13Riometers 4MSPs 4ASIs 2HF Radars 4CADIs F10.7 Solar Flux Monitor FDAM/SSDP Canadian GeoSpace Monitoring CSA Project based primarily in 4 universities Well funded for operations & infrastructure Heritage is CANOPUS but it is much more

THEMIS/GBO CDR Peer Review 6 Univ.of Calgary, Apr , 2004 A Canadian Perspective 40Fluxgates 13Riometers 4MSPs 10ASIs 3-4HF Radars 6-8CADIs 8Induction Coils F10.7 Solar Flux Monitor FDAM/SSDP Future Canadian GeoSpace Monitoring Real-time data collection Open data policy Integrated modelling & assimilation program

THEMIS/GBO CDR Peer Review 7 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 8 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 9 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 10 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 11 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 12 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 13 Univ.of Calgary, Apr , 2004 The ASI array provides a means of following CPS dynamics. caveat Information provided by this array is subject to our understanding of the mapping and the relationship between CPS processes and their auroral counterparts. A Canadian Perspective

THEMIS/GBO CDR Peer Review 14 Univ.of Calgary, Apr , 2004 A Canadian Perspective Onset Region Fractional Coverage of onset region.

THEMIS/GBO CDR Peer Review 15 Univ.of Calgary, Apr , 2004 A Canadian Perspective Fractional Coverage of onset region.

THEMIS/GBO CDR Peer Review 16 Univ.of Calgary, Apr , 2004 A Canadian Perspective Data Courtesy K. Liou.

THEMIS/GBO CDR Peer Review 17 Univ.of Calgary, Apr , 2004 N ASI FOV THEMIS ASI prototype has been operating at the AUGO since May A Canadian Perspective

THEMIS/GBO CDR Peer Review 18 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 19 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 20 Univ.of Calgary, Apr , 2004 A Canadian Perspective

THEMIS/GBO CDR Peer Review 21 Univ.of Calgary, Apr , 2004 A Canadian Perspective 557 nm Gillam ASI data – Full (200X200) resolution 557 nm Gillam ASI data – Summary (20X20) thumbnail

THEMIS/GBO CDR Peer Review 22 Univ.of Calgary, Apr , 2004 A Canadian Perspective Metadata Keograms and other summary data Attributes Geophysical quantities

THEMIS/GBO CDR Peer Review 23 Univ.of Calgary, Apr , 2004 Our contributions – Implementation Phase 1.Deploy 16 GBOs 2.Operate 16 GBOs 3.Real-Time (RT) data retrieval from 16 GBOs 4.Develop & maintain THEMIS-C website 5.Develop scientific data products that are visually appealing 6.Integrate RT data into summary & housekeeping web displays 7.Maintain online archive of entire image data set 8.Ensure flow through of UCLA magnetometer data 9.Science (Substorms, Storms, Aurora, Machine Vision,….) SWARM Mikko A Canadian Perspective