From SwissExperiment
Infrastructure
Global Sensor Networks (GSN)
GSN is a software middleware designed to facilitate the deployment and programming of sensor networks.
Using GSN, now you can leave all the nifty sensor network details behind and focus only on the high level application logic.
Thanks to GSN's open API, you can quickly write sensor network applications by leaving the tedious task of managing low level hardware dependent details to GSN.
Furthermore, using GSN you can even develop sensor network software exploiting several heterogeneous sensor networks: imagine joining pictures coming from your wireless camera, tag IDs coming from a RFID reader and light readings from two other wireless sensor networks.
GSN at Sourceforge
Some Sensors and Stations used in the Swiss Experiment Project
| Sensor: | acoustic distance sensor | |
| Manufacturer: | Campbell Scientific |
| Instrument type: | SR50 |
| Measured quantities: | distance sensor—surface (e.g. snow depth) |
| Typical sampling freq.: | 10 s, 1 min avg |
| Specifics: | requires air temperature measurement |
| Output / Data type: | analog / ASCII |
| Sensor: | 3-d sonic anemometer |
| Manufacturer: | Campbell Scientific |
| Instrument type: | CSAT3 |
| Quantities measured: | 3-component wind velocities, wind direction (virtual temperature) -> sensible heat flux |
| Typical sampling freq.: | 20 Hz |
| Specifics: | |
| Output / Data type: | analog / binary, ASCII |
| Sensor | temperature / humidity |
| Manufacturer | Rotronic |
| Instrument type | TRF103A |
| Measured quantities | temperature + relative humidity of air |
| Typical sampling freq. | 10 s, 1 min avg |
| Specifics | sensor in passively ventilated radiation shield |
| Output / Data type | analog / ASCII |
Full-fledged Station with various kinds of Sensors
Fiber Optic Distributed Temperature Sensing
The distributed temperature sensor at Lac Leman: Temperature profile at air/water interface
SensorScope Station at the Glacier de la Plaine Morte, March 2007
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