the seamonster sensor web: lessons and opportunities after one year
DESCRIPTION
The SEAMONSTER Sensor Web: Lessons and Opportunities after One Year. Fatland, DR, MJ Heavner, E Hood, C Connor. Outline. What is SEAMONSTER? What are the goals of SEAMONSTER? How to encourage/facilitate collaboration Lessons Learned. - PowerPoint PPT PresentationTRANSCRIPT
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The SEAMONSTER Sensor Web: Lessons and Opportunities after
One Year
Fatland, DR, MJ Heavner,
E Hood, C Connor
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Outline
• What is SEAMONSTER?
• What are the goals of SEAMONSTER?
• How to encourage/facilitate collaboration
• Lessons Learned
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SEAMONSTER
SouthEastAlaskaMOnitoringNetwork forScienceTechnologyEducation and Research
We seek inspiration from a Tlingit legend of aseamonster who brought fish and furs to an impoverished village. We see the modern parallel of harvesting and distributing geospatialinformation via a sensor web to a world struggling with climate change.
Tlingit carvingof Gunakadeit,the seamonster,in downtownJuneau.
A modernseamonstertentacle.
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SEAMONSTER
• Scientifically Motivated
Technology Development
funded by NASA ESTO (AIST)
• Testbed Sensor Web
> Technology Collaborations
• Path for Technology Infusion
> Scientific Collaborations
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Scientific Motivation, 1
Long term monitoring of the Juneau Icefield to observe watershed and ocean ecological impacts of glacial recession
50 km
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Scientific Motivation, 2Detection of transient glacial lake outburst floods and observation for watershed impacts
Lake pre-drainage Lake post-drainage
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Lemon Creek Watershed
The University of Alaska Southeast has (relatively) easy access to these areas. The initial watershed of interest is the Lemon Creek watershed (fed by Lemon Glacier) which can be entirely accessed via hiking.Lemon Glacier was monitored as part of IGY (1957-58) and is again being studied for IPY (2007-8).
5 km
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Project Challenges
• Resource management– Power constrained (batteries and solar)– Also: storage, bandwidth
• Different sampling requirements– Long term monitoring– Transient, rapidly evolving events
NEED SEMI-AUTONOMY or AGENTS
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Lemon Creek Sensor Web Met Station, Web Cam, Comm Hub
Lake Level, GPS,Geophone
Met Station, WebCamWater Qual,USGS Gauge
Water Qual
Communication between the nodes enables the Sensor Web.Ex: pressure transducer ( ) detects lake drainage and passes the message reconfiguring other sensor behavior.
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Platforms
Vexcel provided GeoBrick, Linux
Deployment-ready tmote
There are three different platforms in use, with relative computation, storage, and sensing capabilities as well as power requirements and cost.
Linksys NSLU-2, a UAStestbed platform, Linux
Tmote, tinyOS
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Transducers
A combination of weather and water quality measurements provided the main data streams for SEAMONSTER in year 1.
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Goals of SEAMONSTER
• Implement Event -> End User Sensor Web– Technology Testbed– Technology Infusion– Education
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Goals of SEAMONSTER
• Implement Event -> End User Sensor Web– Technology Testbed– Technology Infusion– Education
• How to?Collaboration
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CollaborationAgents are needed to
reconfigure data acquisition based on observations and power states.
Ex: If the lake pressure transducer measures a drop in lake level:
1. Retask the camera to focus on the lakes
2. Alert systems down glacier to collect (relax power management)
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SEAMONSTER Architecture
transducer
platform power
comms
other platforms
central database
central database
Management
E/PO
Analysis
Other Users?
• Modularity
• Scarce Resource
Allocation
• Redundancy
• Event to End User
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Role of IPY
• IPY is a year(s)
• Legacy of IPY
• Legacy of IGY
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Conclusions•SEAMONSTER is a testbed sensor web•SEAMONSTER is training scientists and citizens to use this new paradigm of sensing•Compelling Use Case•Key Architectural Concepts:
Modularity Digital Earth
http://seamonsterak.com/