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Sensor Webs Unwire Ecology

jonbrewer writes "Pioneered by CENS, Sensor Networks are rapidly becoming a mainstream environmental monitoring tool. The NY Times has an article today with a quick tech overview and info on RiverNet, EarthScope, NEON, and Neptune. The Times reports 'scientists want to deploy millions of these kinds of devices over large tracts for long periods, opening new windows on nature.'"

79 comments

  1. yeah, to study nature by _Shorty-dammit · · Score: 2, Insightful

    yeah, that's the ticket. It's not to test equipment before the next Big Brother steps at all.

    1. Re:yeah, to study nature by NanoGator · · Score: 1

      "yeah, that's the ticket. It's not to test equipment before the next Big Brother steps at all."

      Remind me to buy shares in Reynolds.

      --
      "Derp de derp."
    2. Re:yeah, to study nature by LarsWestergren · · Score: 2, Insightful

      Yes, unfortunately it is a technology that is possible to abuse, but what technology isn't? The Internet was developed in close collaboration with the US military, but nevertheless it became a world wide technology that benefits all of mankind. Linux might be used to guide missiles, does that make it evil?

      With the large number of libertarian and conservative pundits and lobbyists who are claiming that environmentalism is rubbish (Lomborg for instance...), I welcome more hard data to refute them with.
      ...or the data could refute my beliefs of course, which will be a blow to my ego in the short term, but in the long term will make me sleep better at night. :-)

      --

      Being bitter is drinking poison and hoping someone else will die

    3. Re:yeah, to study nature by Anonymous Coward · · Score: 0

      I share your concerns, however, it is uplifting to know that all the source code for this stuff is open ( http://www.tinyos.net/ ) And the hardware can be purchased off the shelf by anyone.

    4. Re:yeah, to study nature by elhaf · · Score: 1

      Furthermore, according to the many of my fellow grad students who are into Sensor Networks, there is no kind of security on these mobs yet. They can be easily hacked and defeated, which is why they are appropriate for scientific applications, but not military (yet).

      --
      Six score characters.
      Brevity being wit's soul
      I have enough space.
  2. Article text, in case of slashdotting by Anonymous Coward · · Score: 5, Funny

    A Web of Sensors, Taking Earth's Pulse
    By WILLIAM J. BROAD
    Published: May 10, 2005
    Scientists are turning 30 acres of California forest into a futuristic vision of environmental study.
    For free access to this article and more, you must be a registered member of NYTimes.com

  3. Isn't it ironic... by The+Jabberwock · · Score: 3, Funny

    ...that NEON, which endeavors to study, document, and integrate our lives more closely into the natural world is named after a substance that has no known biological role?

    1. Re:Isn't it ironic... by apraetor · · Score: 1

      That's the point, creating things nature has no use for. Like plastics.

    2. Re:Isn't it ironic... by The+Jabberwock · · Score: 1

      Or Twinkies?

    3. Re:Isn't it ironic... by Anonymous Coward · · Score: 0

      Plastics useless to nature? From what I've seen, it helps prevent a lot of gene-pool pollution (i.e. condoms) which, from what I've seen, we can use all the help we can get.

    4. Re:Isn't it ironic... by Anonymous Coward · · Score: 0

      guys, i think he's trying to get at the big brother aspect of this.

    5. Re:Isn't it ironic... by katana · · Score: 1

      Well, if you put a bunch of stickers and a chrome muffler tip on it, it substitutes for a biological penis.

    6. Re:Isn't it ironic... by Anonymous Coward · · Score: 0

      We should be thankful that it is not NERV or SEELE doing this.

    7. Re:Isn't it ironic... by Anonymous Coward · · Score: 0

      Isn't it ironic that it is an acronym? Didn't think so. NEON stands for National Ecological Observatory Network. So it is not named after an inert gas.

    8. Re:Isn't it ironic... by Anonymous Coward · · Score: 0

      Thanks for that meaningfull contribution. Without your input, we never would have been turned on to such wisdom.

  4. They... what? by Anonymous Coward · · Score: 0

    Is this about them Arr Eff Eye Dee things my nephew is always goin on about?

  5. This is how the environment dies... by Anonymous Coward · · Score: 0

    With thunderous applause.

  6. Impact? by BigZaphod · · Score: 4, Interesting

    Wouldn't having tons of sensors all over the place somehow contaminate the very environment they are trying to test? I mean.. animals aren't all oblivious to foreign objects in their world and are prone to changing behavior in response to them. I've seen documentaries about herds that move differently thanks to things like the Alaskan pipeline, roads across wild places in Africa, and the like. Lots of little sensors in the rivers, forests, plains, etc. would likely have some kind of impact. Plus, if there's millions of them, they are going to go clean them up someday, right.... right?

    1. Re:Impact? by manojar · · Score: 1, Flamebait

      Actually, this is a great idea. While you guys are at it, why don't you go ahead with the US Navy Sonar thing too? Who needs those wildlife, whales, dolphins, etc, anyway? God has given man this world just to rape it, right?

    2. Re:Impact? by YrWrstNtmr · · Score: 4, Insightful
      Right. But changing behavior isn't necessarily 'bad'. Isn't necessarily good, either.

      But how are we to study these environments (and hopefully learn how not to screw them up anymore than we already have) without some human interaction? We are on this planet. Interaction is going to happen. Maybe these little sensors are less intrusive than other ways of monitoring.

    3. Re:Impact? by Anonymous Coward · · Score: 0

      Indeed. I was at a presentation at the 1st European Workshop on Sensor Networks about a year and half ago. The presenter from UC Berkeley was talking about deploying sensor nodes on Great Duck Island(?) to monitor habits of some bird species. One of the audience members asked if they had disturbed the birds in the process; the presenter said yes in some cases, and then laughed it off. I guess they are more interested in the technology than the 'nature' aspect and use experiments as an excuse to get funding from NSF and industry sponsors - and nothing more.

    4. Re:Impact? by Anonymous Coward · · Score: 0

      I proclaim that I love human interaction almost as much as I love human on animal action. Do the sensors cause pain when inserted?

    5. Re:Impact? by Furry*Hatchet · · Score: 1

      Well, there's your answer. We'll know how animals act when there are millions of sensors in their environment, so the next step is to just toss them around the entire planet and we'll be good to go... no sense worrying about biasing our observations if there isn't an unbiased corner of the world left. Maybe they can be biodegradable or something, or we can just make them out of all the old CRT monitors that are going to end up in landfills anyways.

  7. The US military has been interested since Vietnam. by Captain+Sensible · · Score: 5, Interesting

    Sensor Webs and Smart Dust and related tecnologies will prove valuable in ecological studies and environmental monitoring, but that's not the drive behind them.

    In Vietnam the US military attempted to install networks of sensors - seismographs, detectors for urine and sweat, detectors for nitrogen compunds (explosives), movement detectors, proximity detectors - along known NLF supply lines and for perimeter defence. They were put in place by Special Forces teams and transmitted their data to overflying aircraft for targetting. Often they were woeful failures or could be spoofed by the NLF.

    Here is the new generation, just ready for "assymetric warfare".

  8. Challenges facing researchers by Guanine · · Score: 5, Interesting

    Having participtated in small scale ecology studies, I would guess that these senors will raise many more questions (which would be a good definition of the "new windows") than answers. Population ecology and the evolutionary biology that ties into it is a field with many more 'big' questions than most people realize.

    In most of the primary literature I cover, for every possible cause of a behavior (such as migratory routes) that is eliminated, another 2 consistently appear (seriously). I think we will see some very interesting questions, rather than any definite answers (at least in the short term). I would definitely like to see this used with the arctic tern.

    1. Re:Challenges facing researchers by Anonymous Coward · · Score: 0

      Quoth the original poster:
      "In most of the primary literature I cover, for every possible cause of a behavior (such as migratory routes) that is eliminated, another 2 consistently appear (seriously)"

      End Quoth

      Can you elaborate? Or suggest some examples/keywords for examples which we can look up? I'm interested

    2. Re:Challenges facing researchers by Guanine · · Score: 2, Informative

      Ideal free distribution studies (the sort which could be conducted over larger distances using this new technology) are complicated because the individuals involved require (by definition) both (1) perfect knowledge of the foraging sites and (2) unlimited freedom to travel to those sites, with negligible cost to do so.

      the difficult thing is when real world applications have a siginificant effect on results ... ideal free has been studied with foraging seals to guppies and many things in between, it's part of the important theory of optimal foraging.

      but to answer your question - sometimes the study finds that there is no ideal free distribution - this can be due to individual competition disrupting the distribution or something such as difficulty in assessing patch quality. in this way, one study leads to 2 questions (and 2+ studies).

  9. Peeping Sam. by Anonymous Coward · · Score: 5, Funny

    "The Times reports 'scientists want to deploy millions of these kinds of devices over large tracts for long periods, opening new windows on nature.'""

    Well there goes any forays into the woods with your girlfriend.

    1. Re:Peeping Sam. by tanek · · Score: 2, Funny

      Well there goes any forays into the woods with your girlfriend.

      No no, by all means, keep doing it...

    2. Re:Peeping Sam. by zobier · · Score: 1

      Come on, it's not like any of us are foraying into the woods with their girlfriend.

      --
      Me lost me cookie at the disco.
    3. Re:Peeping Sam. by jammindice · · Score: 1


      Well there goes any forays into the woods with your girlfriend.

      and the poision ivy the first time wasn't enough of a deturrent?

      --
      - My uid ends in 69...
  10. A lot of data gathering was done manually. by Anonymous Coward · · Score: 0

    Ie.. when monitoring pollution, they'd go out and put out test equipment, take a reading, move to the next spot, take a reading....

    With a distributed system, you can get data from a network of sensors by relaying data across the field.

    A sensor net is a good idea

  11. They must have forgot... by Anonymous Coward · · Score: 0
  12. MOD PARENT UP by Anonymous Coward · · Score: 0

    *very* informative comments

  13. I wonder how much the "cool" factor influences... by PornMaster · · Score: 1

    I wonder how much things like the movie The Day After Tomorrow and such influenced people to get these things out and deployed, both for the reason that they're good for genuine science and also because someone agreed to pay for them after seeing that movie.

  14. Re:I wonder how much the "cool" factor influences. by lakiolen · · Score: 1

    Sensor Networks have been around years before that movie and there have been more deployments than just this one.

    --


    What are you expecting to find here?
  15. If we watch everything... by stox · · Score: 2, Funny

    does Heisenburg matter anymore?

    --
    "To those who are overly cautious, everything is impossible. "
    1. Re:If we watch everything... by JonXP · · Score: 1

      I'm uncertain...

    2. Re:If we watch everything... by Anonymous Coward · · Score: 0

      No worries. Heisenberg principle states at any time you can only watch half the reality, while the other half remains unseen.

    3. Re:If we watch everything... by Anonymous Coward · · Score: 0

      Go read the novel length version of Blood Music!

    4. Re:If we watch everything... by Moraelin · · Score: 1

      Heissenberg's uncertainty principle only really matters at particle sizes and energies.

      If you're studying something electron sized in a 5nm transistor, yeah, at any given time you can either know that it's on this side of the gate but maybe it has enough energy to go through anyway, or that it doesn't have enough energy, but it may already be on the other side.

      If you're, however, studying something the size of an ant, then it becomes utterly irrelevant. If the expected uncertainty is something like 0.0000000000000000000000000000000000000000001% (and in practice it'll be a helluva lot lower than even that), you can very safely ignore it.

      And if you're studying something the size of a deer, doubly so.

      --
      A polar bear is a cartesian bear after a coordinate transform.
    5. Re:If we watch everything... by rob_squared · · Score: 1
      "does Heisenburg matter anymore?"

      Just let the man find his cat already.

      --
      I don't get it.
    6. Re:If we watch everything... by shpoffo · · Score: 1

      How do you connect Blood Music with the relevance of quantum mechanics to watching everything?

      .
      -shpoffo

  16. PEOPLE WITH MODPOINTS: CALL FOR HELP by Anonymous Coward · · Score: 0

    There's this guy who's crapflooding Slashdot with randomly generated text, therefore making it impossible to have a normal conversation. Click on the links to see what I mean.

    If you have mod points, please help out by modding some of his posts down and getting his network banned.

    #12496451
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    Your help is much appreciated, thanks.

  17. Re:I wonder how much the "cool" factor influences. by detritus` · · Score: 3, Insightful

    Sorry to tell you this but real scientists in the real world usually dont base a whole lot of their research on hollywood movies, especially ones with obvious agendas such as this one. To be honest this is the type of movie anyone with any understanding of the scientific method finds extremely annoying as suddenly everyone walking around is an "expert" on global warming because they saw this movie. Just because you saw it on TV doesnt make it true.

  18. OMG FKN BRILLIANT by Anonymous Coward · · Score: 0

    +5 informative

  19. Smart Dust by Roland+Piguepaille · · Score: 4, Informative

    This reminds me of an article in the new "Innovators Section" as seen in Time magazine.

    Essentially, it discusses Kris Pister who developed Smart Dust - a wireless network of sensors, called motes. Each mote has a chip about the size of a grain of rice that detects and records things like termperature and motion at its location. The motes have minisule radio transmitters that talk to otehr motes. With a single network of 10,000 motes, the upper limit, you could cover some 9 sq. miles - and get information about each point along the way!

    Anyway, here's a brief description:
    innovationwatch.com

    Here is the Dust, Inc. homepage:
    http://www.dust-inc.com/

    Frightening technology in many respects, but I can't help but smile at the thought of the brilliance behind it all.

    --
    To confirm you're not a script, please piss in my ear.
    1. Re:Smart Dust by markov_chain · · Score: 1

      AFAIK the Smart Dust group simply *projected* that they could build a mote the size of a grain of rice. The motes currently in production are the size of a matchbox, and have a couple of chips, connectors, LEDs, etc.

      --
      Tsunami -- You can't bring a good wave down!
  20. I wonder how much the alcohol factor influences. by Anonymous Coward · · Score: 0

    "Just because you saw it on TV doesnt make it true."

    "Wine is good for you."

  21. Smart Dust-Dumb Enemy. by Anonymous Coward · · Score: 0

    "The motes have minisule radio transmitters that talk to otehr motes. With a single network of 10,000 motes, the upper limit, you could cover some 9 sq. miles - and get information about each point along the"

    Insurgents beware! Our motes will smote you!

    1. Re:Smart Dust-Dumb Enemy. by Anonymous Coward · · Score: 0

      smite, not smote.

  22. Sensor Network work by cureless · · Score: 4, Informative

    Sensor Network research has been going on for quite some time. CENS isn't the only place doing the research. Some of the original work actually came from SCADDS from USC/ISI, with some of the same people now at CENS. All the UCs are very involved in Sensor Networks, Berkeley for example was the orginator of the current most popular hardware, the motes, now manufactured by Crossbow. Intel also makes their own version of the motes, though they are not sold comertially yet.

    Most of the hardware runs in a specific OS called TinyOS, which is open source. Other hardware, like the Stargates (also from Crossbow) run an arm version of debian.

    You can find lots of neat info about Sensor Networks from the specialized conferences like Sensys, IPSN, etc.

    Most of the projects done with Sensor Networks have been geared towards the biological monitoring fields. However, the funding comes in from NSF as well as DARPA so sometimes it is security/military based.

    It's an interesting world out there...

    cl

    --
    Reply . . . let's get it over with.
    1. Re:Sensor Network work by zenslug · · Score: 3, Interesting
      I've been working with motes for a short time now, and the way I look at them has changed since I first started. At first I was really focused on the futuristic properties of the devices and at how small they could get, what they could monitor, etc. Then having become fairly well aquainted with them and how they operate I now look at them a lot more like routers. Routers aren't as sexy, but wireless routers that can also read sensor data is still pretty cool.

      Essentially, the motes are simply what is necessary to make full-time sensor reading wireless. They are enablers. You need something extremely low power, able to read sensors, and able to *efficiently* route that sensor data out of the network.

      With motes, nearly any data that you can currently read using a sensor (large or small) can now be constantly gathered. Things that used to be WAY too expensive to monitor are now within reach (think HVAC: vent openings with actuators communicating over a mote network with thermometers == energy savings due to greater efficiency). Over half of the cost of any large-scale monitoring system comes from the cost to purchase, install, and maintain the wires/cables. Motes greatly minimize that cost.

    2. Re:Sensor Network work by ms1234 · · Score: 1

      Other hardware, like the Stargates (also from Crossbow) run an arm version of debian.

      I knew it wasn't science fiction!

    3. Re:Sensor Network work by Vengie · · Score: 2, Informative

      There is a hotbed of Sensornet research going on at Yale right now, sparked mostly by two professors from EE and CS -- Saavides and Yang. There's been a flurry of student activity as well.... [My senior/masters thesis was in MobiHoc 04, and they've had papers in InfoCom and elsewhere.]

      You should take a look ;)

      --
      When in doubt, parenthesize. At the very least it will let some poor schmuck bounce on the % key in vi. (Larry Wall)
    4. Re:Sensor Network work by dpilot · · Score: 1

      When you say "mote" I start to think about toner in "Diamond Age" or locator in "Deepness in the Sky", and I don't think we have that level of technology yet. Can you say how small your motes are, or what their range is? Do they spontaneously mesh? Size obviously says something about whether they're anchored or floating, now you're getting close to toner, and I think we're a ways from that.

      --
      The living have better things to do than to continue hating the dead.
    5. Re:Sensor Network work by zenslug · · Score: 1

      Currently I'm working with Crossbow motes. Some are the size of about 4 AA batteries stacked 2x2. Others are the footprint of a quarter and half an inch tall. Crossbow seems to have the best prices on development kits and individual motes. Ember, Smart Dust, etc. are much more expensive.

    6. Re:Sensor Network work by dpilot · · Score: 1

      These things sound like they're named more aggressively than they really are. I'm not saying 4 AA batteries or a quarter x 1/2" tall aren't small. They're great examples of technology I can believe as extensions of what I already know. But names like "motes" and "smart dust" make me think of Diamond Age, and that's well beyond my degree+26+ years of experience in the semiconductor industry. AFAIK, carbyne pushrods and the other stuff that sounds like DigiComp implemented in molecules are still dreams, and we've only begun to start building some parts, maybe stuck a few together, but are nowhere near complete systems, let alone manufacturing.

      That's not to say that the stuff you point to, as well as making it self-meshing isn't a neat accomplishment. It is. It just isn't Diamond Age.

      --
      The living have better things to do than to continue hating the dead.
  23. Sensor nets by AndOne · · Score: 4, Informative

    I just finished a course on this particular subject actually. A few fun comments.

    In one biological study in Maine (Great Duck Island) it seems that the birds on the island they were monitoring had been attacking the sensor motes. In another case these devices offered the first look ever at night time migration patterns of zebras.(aka ZebraNet)

    As far as military applications go the one that I am most aware of is DARPA's sniper net. It's a system of audio sensors designed to locate and pinpoint snipers based on gunshot triangulation.

    There are some earthquake structural monitoring systems being built in California as well.

    However things to be cautioned about. The smaller motes do not have very much in the way of processing power(ie can't even do floating point) so there's no need to get really paranoid about secret cameras. Most of the motes with cameras are big enough you'd probably notice them if you were looking. Primarily the motes are equipped with various sensor banks for things such as Light, Temp, Vibration, Audio, etc etc. Also if you're interested in working with the software for these things the primary OS people use is TinyOS. However a word of caution, if you want to muck around inside the inner workings of TinyOS you're pretty much on your own and some of the things are already legacy. The coolest part of sensor nets, in my opinion,is the ability to do in network data processing as the data is funneled through the network. Oh and there's already a Database system designed for use in these systems. It's name is TinyDB(surprising naming scheme I know)

    Cheers

    --
    I don't care what you say, all I need is my Wumpabet soup.
    1. Re:Sensor nets by Vengie · · Score: 2, Interesting

      If you combine sensor nets with any localization algorithm and GHTs, you have a combined storage/detection network. If you add power-aware routing, you basically create a long-lasting (self-detecting) event-storage monitor. The DHT/GHT stuff is fun -- but more importantly -- the projects are producing side research like optimizing DMAC protocols (and even a few at omnidirectional) and breaking TCP/IP assumptions.

      --
      When in doubt, parenthesize. At the very least it will let some poor schmuck bounce on the % key in vi. (Larry Wall)
  24. closing by __aahlyu4518 · · Score: 3, Insightful

    opening new windows on nature.

    Which ofcourse will be closed with a simple click on the right top corner by politicians who think that the short term economy is much more important.

    Not thinking about how much it will cost (in terms of money and health) in the long run to undo (if still possible) the stupid decisions made now.

  25. It all makes perfect sense! by Anonymous Coward · · Score: 0

    God Bless America!

  26. Sensor networks are great by Advocadus+Diaboli · · Score: 2, Funny

    So I can install wmweather on my desktop and get information about how the weather is outside since I don't see it from my cubicle. Even if it looks a bit weird that I get weather data for a city in Germany from a site in the United States. :-)

  27. The New Shamans of Sensor Networks by Ted+Holmes · · Score: 1

    From watching nature, experts across the centuries have found uncommon wisdom. What will a shaman do with 100,000 sensor feeds? Perhaps she'll be checking terabytes of data between ecosystems for what is normal and what is not. The shamans almanac. And sensor networks will saturate our own environments just as naturally. Tons of new, never before available data waiting to be mined for more knowledge. Should be very interesting. Ted

  28. things nature has no use for. Like plastics by Anonymous Coward · · Score: 0

    "whoops, there goes another rubber tree plant"

  29. Niven by rossdee · · Score: 2, Interesting

    Didn't Larry Niven invent sensor webs in the Ringworld series?

  30. Re:I wonder how much the "cool" factor influences. by PornMaster · · Score: 1

    How often do the people writing the checks have a full understanding of anything? I'm not talking about the scientists wanting to use sensor nets, I'm talking about the money.

  31. Re:The US military has been interested since Vietn by rob_squared · · Score: 1
    "assymetric"

    Assy metric? Does a metric ass have 10 cheeks?

    --
    I don't get it.
  32. Re:The US military has been interested since Vietn by lommer · · Score: 1

    This is actually true. Several months after they'd installed the systems, the NVA figured out that they had systems that sniffed for urine, sweat, explosives, etc. Suddenly the U.S. began detecting massive troop movements through pretty random areas of the jungle. When they sent teams to investigate, they found buckets of stale piss nailed to trees...

    This system was held up as a classic example of government waste: multibillion dollar system defeated by buckets of piss.

  33. Re:I wonder how much the "cool" factor influences. by RobertB-DC · · Score: 1

    Sorry to tell you this but real scientists in the real world usually dont base a whole lot of their research on hollywood movies...

    Supposedly not, but:

    Report: Paleontologist "fudged" discovery to promote movie
    Museum of the Rockies paleontologist Jack Horner "fudged" information about a dinosaur discovery four years ago to promote the third "Jurassic Park" film, National Public Radio reported Wednesday.

    Horner disputes altering dinosaur discovery for movie opening
    BOZEMAN -- Paleontologist Jack Horner, who served as a science consultant for the "Jurassic Park" films, acknowledged that the announcement of a dinosaur find in eastern Montana was delayed to help promote the third installment of the dinosaur-flick franchise four years ago.

    And the NPR report (audio) that broke the story:
    Movie Marketers Turn to Subtle, Sophisticated Tactics
    Advertisers are finding new and creative ways to sell their films. [...] One studio has even manipulated a scientific discovery to coincide with the opening of a film. A look at some of the tactics studios use to seduce moviegoers to their films.

    So much for the universal integrity of scientists in the real world...

    --
    Stressed? Me? Of course not. Stress is what a rubber band feels before it breaks, silly.