| Article |
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| Article name |
ISSUES OF INCREASING THE STABILITY OF THE ANALYTICAL MODIFICATION OF THE LANGLEY METHOD FOR CALIBRATION OF SOLAR PHOTOMETERS |
| Authors |
Chobanzadeh , I.K. , ichobanzada@cameron.slb.com |
| Bibliographic description |
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| Category |
Earth science |
| DOI |
535.2 |
| DOI |
10.21209/2227-9245-2022-28-8-18-22 |
| Article type |
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| Annotation |
The problem of increasing the stability of the analytical modification of the Langley method for calibration of solar photometers is formulated and solved. Solar photometers are designed to study various components of the atmosphere and solar radiation. With the help of solar photometers, atmospheric aerosol, water vapor and solar luminescence parameters can be measured. It is known that water vapor and atmospheric aerosol are one of the main causes of global warming and an accurate assessment of these factors is the most important task of meteorology and atmospheric physics. High reliability of measurement results using solar photometers can be ensured by accurate calibration of these devices. To calibrate solar photometers, the graphoanalytic method of Langley diagrams and some of its analytical modifications are used. The main disadvantage of the Langley method, as well as its analytical version, is the effect of instability of the optical thickness of the atmosphere on the result of calibration of solar photometers. As a result, the accuracy and reliability of the results of such measurements are low. Therefore, the development of new, high-precision methods of calibration of solar photometers is an urgent task. The object of the study is solar photometers, widely used in international measurement networks used to study the atmosphere. The subject of the study is the calibration method of these devices, which is the most important and necessary metrological procedure that ensures the operability of solar photometers. The purpose of the study is to improve the accuracy and stability of the known method of calibration of solar photometers. The objectives of the study are (a) to find out the reasons leading to errors in the calibration of solar photometers and (b) to develop a methodological basis for the proposed method of improving the accuracy and stability of calibration of solar photometers. To solve the tasks set, it is proposed to take into account the main trends of changes in the optical thickness of atmospheric aerosol during the day to compensate for its influence. Analytical expressions of the newly introduced correction factor for the effect of changes in the optical thickness of the atmospheric aerosol are obtained, which makes it possible to increase the accuracy of the calibration of the solar photometer |
| Key words |
Keywords: solar photometers, atmosphere, calibration, optical air mass, optical thickness, aerosol, measurements, accuracy, error, water vapor |
| Article information |
Chobanzade I.т ISSUES OF INCREASING THE STABILITY OF THE ANALYTICAL MODIFICATION OF THE LANGLEY METHOD FOR CALIBRATION OF SOLAR PHOTOMETERS // Transbaikal State University Journal, 2022, vol. 28, no. 8, pp. 18-22. DOI: 10.21209/2227-9245-2022-28-8-18-22 |
| References |
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| Full article | ISSUES OF INCREASING THE STABILITY OF THE ANALYTICAL MODIFICATION OF THE LANGLEY METHOD FOR CALIBRATION OF SOLAR PHOTOMETERS |
