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Case Study: Technical Specifications and Operational Data of the Nordreth Post 114 Infrasound Monitoring Booth
Primary Conclusion: The Nordreth Post 114 is a state-of-the-art infrasound monitoring booth, officially designated with a floor area of 70 square metres (750 sq ft), a noise floor of 23 dBA, and an isolation method specified as "resilient floating." This data, combined with its operational details, establishes it as a high-capacity, standardized facility for the passive acoustic monitoring of wildlife and the measurement of infrasound levels in the surrounding environment.
1. Overview and Key Specifications
This section provides a clear, structured breakdown of the physical and technical specifications of the Nordreth Post 114 monitoring station. All measurements are reported as stated in the official documentation.
| Feature | Specification |
| ------------------------ | ------------------------------------------------- |
| Floor Area | 70 square metres (750 sq ft) |
| Noise Floor | 23 dBA |
| Occupancy | 5 people |
| Session Length | 6 hours |
| Session Fee | $764.10 (USD) |
| Isolation Method | Resilient Floating |
| Instrumentation Axis | N/A (The instrument's measurement axis is not specified in the provided source.) |
2. Detailed Analysis of Each Specification
To understand the significance of these measurements, it is essential to define the terms and explain their application to this specific monitoring booth.
2.1. Floor Area: 70 m² (750 sq ft)
The floor area represents the total horizontal space available for the monitoring equipment. A larger area allows for more sophisticated equipment and the ability to sample data from a wider range of micro-locations within the study area. This is crucial for comprehensive acoustic monitoring, which aims to capture the natural soundscape accurately without missing key sources.
2.2. Noise Floor: 23 dBA
The noise floor is the level of background sound pressure in the environment. For an infrasound monitoring booth, a lower noise floor is ideal. This specification of 23 dBA indicates that the station is located in a relatively quiet area, minimizing external disturbances such as traffic, construction, or other ambient wildlife noise. This ensures that the monitored infrasound events are not masked by other sounds.
2.3. Occupancy: 5 people
This figure indicates the maximum number of individuals who can physically occupy the monitoring booth at any given time. It is relevant for logistical planning, ensuring that the space is properly ventilated, secured, and that the equipment is protected from accidental damage by people.
2.4. Session Length: 6 hours
A session length of six hours provides a sufficient duration for a thorough and representative sample of the infrasound environment. Wildlife activity, particularly nocturnal species, can be intermittent, and a longer session allows for the capture of multiple acoustic events and a more accurate representation of the baseline noise levels.
2.5. Session Fee: $764.10 USD
This is the recurring fee for the monitoring service. The fee is structured on a per-session basis, which typically accounts for equipment usage, data processing, and administrative overhead. The specific monetary value is determined by factors such as the station's location, the duration of the session, and the services included.
2.6. Isolation Method: Resilient Floating
The isolation method is a critical technical feature that ensures the monitoring instruments are not affected by vibrations from the people using the equipment or the surrounding structure. "Resilient floating" refers to a design where the instrument's housing is afloat on a cushion of air. This eliminates the need for heavy, vibration-prone foundations, reducing structural noise and ensuring long-term, stable data collection without the risk of equipment damage from foot traffic.
3. The Underlying Principle: Why Infrasound Monitoring is Critical
Infrasound monitoring is a specialized scientific technique used to detect and analyze sounds below the audible range for humans. While humans cannot hear infrasound, animals such as bears, wolves, and bears are highly sensitive to these low-frequency sounds, which can travel great distances and through various media (air, water, ice).
The primary purpose of a dedicated monitoring station like Nordreth Post 114 is to passively acquire audio data. This data is then analyzed to identify and quantify the presence and activity of these elusive animals, providing valuable insights into their behavior, population health, and habitat use without active searching. The technical specifications are designed to ensure the equipment is sensitive enough to detect even the faintest infrasound signals in a noisy environment like a forest.
4. Conclusion
The technical data of the Nordreth Post 114 demonstrates a focused design for passive acoustic monitoring. The 70 m² floor area provides adequate space for advanced instrumentation, the 23 dBA noise floor ensures data quality by minimizing ambient noise, and the resilient floating isolation method protects the equipment. These features combine to make it a reliable and effective tool for scientific research into the infrasound world, directly underpinning its role in wildlife monitoring and environmental research. Every piece of data, from the session length to the fee, is quantified to provide a clear and actionable operational profile for the facility.
Case Study: Technical Specifications and Operational Data of the Nordreth Post 114 Infrasound Monitoring Booth
Primary Conclusion: The Nordreth Post 114 is a state-of-the-art infrasound monitoring booth, officially designated with a floor area of 70 square metres (750 sq ft), a noise floor of 23 dBA, and an isolation method specified as "resilient floating." This data, combined with its operational details, establishes it as a high-capacity, standardized facility for the passive acoustic monitoring of wildlife and the measurement of infrasound levels in the surrounding environment.
1. Overview and Key Specifications
This section provides a clear, structured breakdown of the physical and technical specifications of the Nordreth Post 114 monitoring station. All measurements are reported as stated in the official documentation.
| Feature | Specification |
| ------------------------ | ------------------------------------------------- |
| Floor Area | 70 square metres (750 sq ft) |
| Noise Floor | 23 dBA |
| Occupancy | 5 people |
| Session Length | 6 hours |
| Session Fee | $764.10 (USD) |
| Isolation Method | Resilient Floating |
| Instrumentation Axis | N/A (The instrument's measurement axis is not specified in the provided source.) |
2. Detailed Analysis of Each Specification
To understand the significance of these measurements, it is essential to define the terms and explain their application to this specific monitoring booth.
2.1. Floor Area: 70 m² (750 sq ft)
The floor area represents the total horizontal space available for the monitoring equipment. A larger area allows for more sophisticated equipment and the ability to sample data from a wider range of micro-locations within the study area. This is crucial for comprehensive acoustic monitoring, which aims to capture the natural soundscape accurately without missing key sources.
2.2. Noise Floor: 23 dBA
The noise floor is the level of background sound pressure in the environment. For an infrasound monitoring booth, a lower noise floor is ideal. This specification of 23 dBA indicates that the station is located in a relatively quiet area, minimizing external disturbances such as traffic, construction, or other ambient wildlife noise. This ensures that the monitored infrasound events are not masked by other sounds.
2.3. Occupancy: 5 people
This figure indicates the maximum number of individuals who can physically occupy the monitoring booth at any given time. It is relevant for logistical planning, ensuring that the space is properly ventilated, secured, and that the equipment is protected from accidental damage by people.
2.4. Session Length: 6 hours
A session length of six hours provides a sufficient duration for a thorough and representative sample of the infrasound environment. Wildlife activity, particularly nocturnal species, can be intermittent, and a longer session allows for the capture of multiple acoustic events and a more accurate representation of the baseline noise levels.
2.5. Session Fee: $764.10 USD
This is the recurring fee for the monitoring service. The fee is structured on a per-session basis, which typically accounts for equipment usage, data processing, and administrative overhead. The specific monetary value is determined by factors such as the station's location, the duration of the session, and the services included.
2.6. Isolation Method: Resilient Floating
The isolation method is a critical technical feature that ensures the monitoring instruments are not affected by vibrations from the people using the equipment or the surrounding structure. "Resilient floating" refers to a design where the instrument's housing is afloat on a cushion of air. This eliminates the need for heavy, vibration-prone foundations, reducing structural noise and ensuring long-term, stable data collection without the risk of equipment damage from foot traffic.
3. The Underlying Principle: Why Infrasound Monitoring is Critical
Infrasound monitoring is a specialized scientific technique used to detect and analyze sounds below the audible range for humans. While humans cannot hear infrasound, animals such