PowerPoint Presentation CEDAR Frontiers: Ionospheric Feedback on the Magnetosphere Dirk Lummerzheim

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Ground-Based Networks for System-Level GeoSpace
InvestigationsEric Donovan ILWS Meeting
June 12, 2007
ILWS Overarching Objective (in a nutshell)
Achieve System-Level understanding of GeoSpace.
ILWS should (does?) recognize that GB
observations must be an integral part of the ILWS
effort. GB is essential to the science objectives
of THEMIS, RBSPs, ERG, ORBITALS, KuaFu, MMS,
SWARM (for GeoSpace), Cross Scale, etc.
ICESTAR, CAWSES/SCOSTEP, IHY, IPY, CEDAR, GEM,
THEMIS-GBO, Cluster GBWG, eGY, etc. There is a
general theme of data exploitation (turning
information into knowledge). We want to add to,
but not duplicate, these efforts. This is
problematic for the ILWS GBTG
Key focus of this talk DASI Distributed Arrays
of Small Instrumentation.
And the move towards Globalization
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The idea is to populate wide geographic regions
(possibly even the globe) with ground-based
instruments for remote sensing the spheres of
scientific interest o our respective communities.
The objective is system-level science, but that
is still ill-defined.
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Canadian GeoSpace Monitoring (CGSM)
National Efforts
SuperDARN/PolarDARN CARISMA CANMOS CADI NORSTAR F
10.7 FDAM (Assim./Model.) CHAIN AUGO
Partners
15 core sites gt40 sites in total Involves at
least 8 organizations in Canada Infrastructure
enhancements funded by CFI, CSA and
others Operations and some science funded by CSA
AMISR THEMIS-GBO MACCS OMTI SuperDARN/StormDARN
Expected to compete in upcoming CGSM AO
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THEMIS GBO Network
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There are equivalently large or larger networks
in the ionosonde, GPS, induction coil, VLF, etc
world. There are literally thousands of
instruments presently deployed that are a defacto
DASI.
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• There are facilities and programs all over the
  world
• Networks of small instruments CGSM, MIRACLE,
  UNIS, AGI, AUGO, MEASURE, MERIDIAN, THEMIS GBO,
  InterMagnet, SuperDARN, etc. etc.
• Large multi-instrument observatories at the
  location of large facilities Poker Flat,
  Resolute Bay, Sondrestrom, Tromso, Millstone,
  South Pole Station, SuperDARN sites, etc. etc.
• The growing network of virtual observatories
  VMO/G, VMO/U, VITMO, VSO, VSPO, SPIDR, GAIA,
  Gloria, SuperDARN, etc. etc.

• There should be an inventory of capacity
• What sites are out there?
• What instruments are out there?
• Where is data available?
• What is likely to come in the near future?

• Note that capacity surveys have been carried out
  in the past not to much avail why?
• The output of these surveys has not been in a
  uniform format and generally these have not been
  incorporated into relational databases
• The big carrot has not been there if a big
  player (ie., NSF or equivalent agency or
  agencies) gets going on DASI the rest of the
  world will follow they will have to!

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DASI is more about how we do what we do
CGSM
Multi-Instrument Site Capability Could be
franchised
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A few extra slots for instruments in he THEMIS
GBOs would have enable a lot of additional
science.
At the national agency level invest in site
infrastructure that supports expanding networks
(cheap, robust, extra slots, telemetry,
monitoring software, long term, etc)
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International (formally US, Canada) Multi-instrume
nt (white light ASI, mag) Multi-agency (formally
NASA, CSA) It could grow in nations involved (UK,
Norway, China, Finland, ) Agencies (NSF, NASA,
CSA, STFC, NSERC, etc) would need to forge a
strong and enduring partnership and money would
likely have to flow across borders.
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Multi-Instrument Sites form the core
Instrument A
Instrument B
Instrument C
Instrument C
Instrument N
? ? ? ? ?
Housekeeping
LAN
firewall
The Internet
Every site would allow for additional instruments
in a plug and play fashion
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These are stitched together to make national
programs that in turn form the backbone of a
global array
CGSM
MIRACLE
MERIDIAN
Site C6
Site F6
Site M6
Site C3
Site F3
Site M3
Site C5
Site F5
Site M5
Site C2
Site F2
Site M2
Site C4
Site F4
Site M4
Site C1
Site F1
Site M1
Site C0
Site F0
Site M0
The Internet
In the end . the dozens of contributing programs
would be of all sizes and evolving over time, but
all with the same ethos.
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Such things can be done

• There must be many, but an obvious analogy is the
  ARGOS project
• thousands of autonomous buoys that drift around
  the ocean
• each is identical
• each undergoes cycles that probe
  salinity/temperature profiles
• the drifting of these buoys is interesting in and
  of itself
• the US funded the lions share of the buoys, but
  many other countries have contributed
• other nations have contributed to design, data
  management, etc

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The Data Issue is Very Important
Make data products that facilitate rapid
extraction of knowledge from presently
unmanageable masses of information.
SuperDARN is really the only group that has done
the well Map Potential is widely used and
synthesizes Gbytes of data into a global synoptic
data product that is at once easily interpreted
visually and readily assimilated into models. The
GPS community is not far off with global TEC
maps. We should work towards similar products for
magnetic field, neutral winds, precipitation,
etc. It is worth noting that the most successful
example (SuperDARN) came from the observational
community.
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One guys (my) thoughts

• It is inevitable that
• there will be a proliferation of ground-based
  geospace instrumentation
• it will become easier to retrieve the data from
  these in real time
• it will become easier to have higher resolution
  data than the real time operation affords
• it will become easier to integrate data from
  disparate sources, programs, instruments, etc.

• DASI
• is not yet a program.
• is more about protocols than hardware an
  effective DASI ethos will maximize the impact
  of the now disparate global ground-based efforts
  spend extra money to make sites more naturally
  multi-instrument, provide extra funds to host
  extra instruments, develop packages of
  plug-and-play software and hardware for site
  management, and on and on
• must be international or it will not work the
  global community must be engaged
• support new and especially small (developing)
  players if you are setting up 50 sites with 50
  GPS units, etc, well. buy 60 and give 10 or so
  to another researcher.
• needs to be made into a program with some funding
  to create new resources that reinforce the DASI
  ethos (ie., VxOs, infrastructure for
  multi-instrument sites, software to support
  satellite and land-line internet telemetry, new
  instruments NOT on top of existing instruments,
  etc.). Establish a steering committee, hold the
  international workshops, engage partners, carry
  out North American DASI Phase I, etc.
• is not everything observational campaigns,
  dense networks of multi-instrument stations,
  Class I facilities, etc are and will remain
  essential done right DASI would be like GOES,
  DMSP, or LANL larger in impact than one
  satellite but nevertheless part of a larger whole

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and suggestions for concrete steps

• So what should we do?
• brainstorm on what expertise and knowledge is
  needed to make DASI happen with this in mind
  establish a DASI steering committee (look to
  CAWSES, ICESTAR, GEM, CEDAR, etc).
• host system-level science definition workshops
  choose five grand challenge themes.
• use the outcome of (2) to establish observational
  requirements for DASI sites.
• devote resources to developing a web accessible
  data base for capacity surveys.
• carry out the capacity surveys make them
  complete, searchable, useable, and updatable.
• devote resources to the evolving (international)
  geospace data environment - ensure that data from
  DASI instruments are readily available via the
  growing network of VxOs and make sure that VxOs
  complement rather than duplicate each other.
• devote resources to bringing together those
  responsible for the operations of
  multi-instrument sites (MERIDIAN, MIRACLE, SRI,
  THEMIS-GBO, CGSM, AGO, AUGO, UAGI, PENGUIn,
  CANMOS, SuperDARN, EISCAT, etc etc). Address
  site management, data transport, standards, etc.
  This forms the spacecraft bus for DASI.
• There is interest in a DASI Phase I that would
  have all the elements of DASI science driven,
  multi-national, multi-agency, multi-instrument
  program. Make it real, perhaps starting with the
  USA (NSF), Canada (CSA), Denmark, and Mexico.
• use outputs of (3) (5) to determine what we can
  add to what we have by 2010 (examples may be
  StormDARN, CHAIN, MF radars, FPIs, GPS mag
  array enhancements, etc.)
• engage instrument teams, modellers, data
  assimilation experts, and of course funding
  agencies and implement enhancements established
  in (8)

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The science??
DASI would address System Level Science We
need the exciting and clearly elucidated science
questions This is non-trivial think of what
was involved in the mission definition for
the Geospace Storm Probes, or Cross-Scale, or any
other large and complex program. This is no
different. We need to do the same thing
(mission definition), to develop a set of themes
that make what are otherwise viewed as contextual
observations or more of the same more exciting
what is new and why is it exciting? I am not
sure how this can or would happen but we face the
same thing in KuaFu-B (why are imaging missions
are hard to sell?). This is definitely beyond
one person but if I can put forward some
thoughts ? evolution of structure in cosmic
plasmas (classical, SOC, and more) ? role of
interaction between major system elements in the
overall dynamic ? the science of sensor webs
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A Rejuvenated ILWS GB-TG (in brief)
Make a smaller more focussed group Spend time
working with various groups defining system
level science objectives Develop requirements
for a DASI-like global network One agency
sponsor a web-based data-base to accomplish a
global inventory of capacity Avoid the data
issue (its being done) Avoid reproducing
efforts like CAWSES, IHY, eGY etc. Initiate a
science at the networks level program
(international complement to DASI) Assess what
we do and what others do - Change the way we do
what we do Utilize this global initiative to
provide ground-based complementary
observations Do it! But we need some direction
from you
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Thank You