Airborne Gamma Ray Spectroscopy Survey is a technology that installs an airborne gamma spectrometer system in an aircraft or other aircraft to monitor the environment by measuring the spectral content of radioactive elements such as potassium, uranium, thorium, etc. This method has the advantages of high efficiency, low cost, and not limited by terrain, and is one of the important means for geological exploration, resource investigation, and environmental monitoring.



The application of aviation gamma spectroscopy detection technology in environmental monitoring is extensive and important, mainly reflected in the following aspects:

1. Environmental monitoring applications

Radioactive contamination monitoring
Emergency monitoring of nuclear accidents: After a nuclear accident occurs, airborne gamma spectroscopy can quickly and extensively monitor the level of radioactive contamination, determine the range and degree of radioactive debris dispersion. For example, after the Chernobyl nuclear power plant accident, Sweden used this technology to map radioactive fallout and successfully obtained dose rate maps and nuclide activity distribution maps of radioactive contaminated areas (source: China Geological Survey Natural Resources Aerial Geophysical Remote Sensing Center).
Daily radioactive environment monitoring: This technology can also be used for daily environmental radiation monitoring in areas around nuclear power plants and other nuclear facilities, ensuring that radioactive levels are within a safe range.
Soil salinization survey
Aerial gamma spectroscopy measurement data can reflect the potassium content in soil, thereby evaluating the degree of soil salinization. This is of great significance for agricultural production and land management.



Other environmental monitoring
This technology can also be used in multiple fields such as water pollution monitoring, mineral resource exploration, geological mapping, etc., providing scientific basis for environmental protection and resource management.

2. Technical characteristics and advantages

Efficient and fast: able to cover large areas in a short period of time, improving monitoring efficiency.
Low cost: Compared to ground monitoring methods, aerial gamma spectroscopy measurement has lower costs.
Unrestricted by terrain: capable of monitoring in areas that are difficult for ground personnel to enter, such as mountainous areas, swamps, etc.
High data accuracy: Modern aviation gamma spectroscopy measurement systems use advanced detectors and data processing technology to obtain high-precision monitoring data.

3. Development trends

With the advancement of technology and the increasing demand, the application of aviation gamma spectroscopy detection technology in environmental monitoring will be more extensive and in-depth. In the future, this technology is expected to further develop in the following areas:
Detector technology: Develop a new type of detector that is smaller, more sensitive, and has higher energy resolution.
Diversified measurement platforms: With the development of new aviation technologies such as drones, the platforms for measuring aviation gamma spectra will become more diverse.
Data processing and analysis: Utilizing technologies such as big data and artificial intelligence to improve the efficiency and accuracy of data processing and analysis.
Expansion of application areas: In addition to traditional radioactive pollution monitoring, this technology will also be extended to more environmental monitoring fields, such as ecological environment assessment, climate change research, etc.

Aviation gamma spectroscopy detection technology plays an important role in environmental monitoring, with advantages such as efficiency, speed, and low cost. With the continuous progress of technology and the expansion of application fields, this technology will play a more important role in the future.