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Remote Measuring-, Warning and Alarming Systems
AlpuG designs, builds and services together with its partners Waljag, Sensalpin and IAV remote instrumentation for data acquisition, data logging, data transmission and control applications to assess alpine natural dangers. The systems are designed to measure and investigate processes related to possible natural dangers do to avalanching, rockfall, mudflow, flooding, melting permafrost and to alert and alarm automatically in case of increased danger.
Basic system types
Main processes
- Development of the seasonal snow cover link | pdf24
- Snow avalanches link
- Glacier avalanches link
- Rock movements, cracking link
- Rockfall link
- Land slides link
- Mudflow link
- Precipitation link
- Blowing snow link
- Snow accumulation link
- High winds link
- Torrents link
- Flooding link
- Glacier movements, fracturing, energy balance link
- Ground temperature changes, freezing
and thawing link - Artificial avalanche release link | pdf27
Applications
A physically correct and dependable measurement of
meteorological and nivological parameters builds the basis
for critical decisions and new knowledge. Our measuring and
control systems that are specially optimized for remote
locations and harsh environmental conditions are a proven
starting point for successful solutions. The wide range of
sensors and interfaces that can be connected and controlled
by our systems, the well developed and standardized
mechanical platforms, proven concepts for energy supply, overvoltage
protection, communication and data acquisition
allow for designs that are perfectly adapted to the problem.
See document: pdf24
Measurements and concepts
For successful measurements it is important to understand
the physical principles of sensing as well as the processes
to be characterized or investigated by the measurements. Our
experience in the field of alpine natural danger allows us
to find best suited solutions for your measuring problem.
Our systems are based on Campbell
Scientific data loggers and a large variety of specially
adapted sensors and interfaces.
Mechanical supporting systems, towers.
We offer different supporting platforms depending on size
and requirements of the measuring system to be mounted. The
larger system based on a 6.5m long 219mm diameter pylon is
anchored on 3 micropiles or rock anchors or may be directly
mounted to vertical rock walls (pdf22). It includes a very
compact and flexible platform for sensors, electronics,
transmission antennas and the solar system that can be
fitted to the tower completely assembled and in operation by
helicopter within minutes but can also be lowered to ground
level for local servicing. For smaller measuring systems
with pylons up to 5m ( diameter 80mm) an universal anchor
system is available (pdf13,
pdf18). This portable anchor
system is very flexible and can be mounted on rock or buried
in softer or loose ground. No guying cables are needed for
this system.
For both systems many standard clamps for sensors, panels,
antenna, mounting arms exist. Special systems have also be
designed for measurements on glaciers.
Standard systems
Automatic stations for weather-, snow-, avalanche-,
ground temperature- and geophysical measurements.
- 219mm diameter, 6.5m high pylon with compact instrumentation package
- designed for rough environmental conditions
- data logging based on CSI loggers
- wide range of standard and special sensors
- energy supply: batteries, accumulators, solar cells, wind generator.
- data transfer and control bi-directional: radio ( options 170Mhz to 2100MHz spread spectrum), GSM-data, fix line (land line) phone, Ethernet ( LAN / WAN), serial RS232, RS485, SDI, satellite...WEB-server.
- standard basic software that includes most standard sensors, sensor quality parameter, easy adaptable to special conditions
- modular design for fast mounting and servicing
See document: pdf22, pdf24, pdf31, pdf32
Mini stations
Automatic stations for weather-, snow-, avalanche-,
ground temperature- and geophysical measurements.
- 80mm up to 5m pylon with universal AlpuG anchor system
- Stations easily re-locatable
- Standard configurations for snow drift measurements system FlowCaptTM( link ), Wind measurements incl. WindFlowTM, standard raingauge and RainFlowTM and ground wetness
- Especially suited also for research systems
See document: pdf13
Warning and Alarm systems
- Standard systems for avalanches, rockfall, mudflow, rock movements, flooding, torrent warning (pdf22, pdf26)
- Possibility of remote networks of detecting systems
- Automatic warnings/alarms by phone, SMS, radio, computer network...
- Automatic closure of traffic lines ( roads and railway lines) by signals, evacuation with sirens.
- Continuous system control, self checks
- Sensors / detecting systems: motion sensors, speed sensors ( Doppler radar), ground motion sensors, force sensors (detection cables, pressure plates...), air pressure, sediment / boulder sensors, extensometers, crack meters, acoustic emission ( crack formation), water level ( acoustic sounder, differential pressure), rain gauge, soil wetness... (pdf19, pdf26)
- Alarming conditions: simple and combined multi stage conditions with respect to signal amplitude, frequency, event number, frequency spectra, signal duration etc. can be selected. All threshold parameters are remotely programmable.
- Complete remote control
Signaling and Alarm transmitting systems
- Setting, resetting, checking of signals, sirens...
- Repeating, transmitting of alarms and data from remote detecting systems to users by phone ( voice and data), GSM, radio, signs, Ethernet.
- Transmission of control and measuring data from and to a control center.
- Remote control
Wind warning system for cable ways and traffic lines
- Wind and weather measurements an towers of cable way and along traffic lines
- Solar powered compact detecting systems
- Packbus based data transmission with spread spectrum radios
- Data presentation quasi real time and as time series
- WEB server
See document: pdf30
Snow accumulation-, snow drift- and rain warning systems for road maintenance, ski areas and cross country track preparation
- Phone, SMS, computer based...warnings in case of precipitation or snow drift
- selectable warning and alarm thresholds and warning time
- Options for many different weather-, road- and snow parameters
- Options for data storage and data presentation
Research systems
- Standard systems for permafrost borehole temperature measurements, Glacier energy balance measurements, gravitational speed spectra measurements, wind measurements, snow drift measurements.
- Special systems suitable for any kind of weather, nivological and geophysical measurements
- Avalanche- and mudflow speed measuring systems
Remote control systems
- Controls for Wyssen Avalanche Tower and GAZEX (pdf27)
- Development of remote controllers based on CSI - logger
- Hardware and software developments
Remote GSM based or offline high resolution camera systems
Systems for artificial avalanche release
See document: pdf27
