Method for quality inspection of measured temperature values of intensive automatic weather station

An automatic weather station and temperature numerical technology, applied in the field of atmospheric science, can solve the problems of misjudgment of correct measured records, wrong interpolation calculation results, uncertain relationship between temperature and altitude changes, etc., and achieve the effect of improving accuracy

Active Publication Date: 2018-07-10
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology

However, the spatial consistency check also has certain limitations: First, the method uses spatial interpolation calculations, and each quality control check needs to use the actual measurement records of several automatic stations geographically adjacent to the checked automatic station
If there are errors in the actual measurement records of these adjacent automatic stations, resulting in errors in the interpolation calculation results, it will definitely affect the

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  • Method for quality inspection of measured temperature values of intensive automatic weather station
  • Method for quality inspection of measured temperature values of intensive automatic weather station
  • Method for quality inspection of measured temperature values of intensive automatic weather station

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Embodiment Construction

[0041] The technical solution of the present application will be further described below in conjunction with the accompanying drawings.

[0042] This embodiment selects the live observation data of encrypted automatic weather stations in Jiangsu, Anhui, and surrounding areas at 19:50 on April 3, 2017. The data has been checked for extreme values, and missing records and obvious abnormal records are eliminated to obtain effective There are 3483 observation records of automatic stations. In order to visually display the observation records of the above-mentioned automatic stations and the spatial distribution of the automatic stations, the measured temperature records of Nanjing City and surrounding areas are selected from these records and displayed on the map, as shown in Figure 4 shown.

[0043] The method for quality inspection of the actual measured temperature value of the encrypted automatic weather station in the present embodiment specifically includes the following s...

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Abstract

The invention relates to a method for quality inspection of measured temperature values of an intensive automatic weather station. According to the method, the deviation index of the measured temperature of the intensive automatic weather station in each sub-grid is calculated through partition of multi-level spatial sub-grids, a temperature deviation function is obtained through fitting, thus, the deviation index of the measured temperature of the intensive automatic weather station in each fine-grained sub-grid is calculated by use of the function, the ideal error between different intensiveautomatic weather stations is calculated by using the index, the error is used as part of threshold determination during spatial consistency inspection, a threshold determination algorithm is improved, and the accuracy of the quality control method based on spatial consistency inspection is improved.

Description

technical field [0001] The invention relates to the field of atmospheric science, in particular to a method for quality checking the actual temperature values ​​measured by encrypted automatic weather stations. Background technique [0002] Encrypted automatic weather station (hereinafter referred to as automatic station) is a kind of meteorological equipment used to observe real-time weather conditions such as temperature, humidity, wind direction, wind speed and air pressure. Compared with conventional surface meteorological stations, automatic stations have the characteristics of dense station distribution, high observation frequency, and strong real-time data. If the quality of these observation data is reliable, it will be able to greatly improve the analysis and forecast level of mesoscale weather systems in my country, especially to provide a refined data source for the initial field data of the forecast. However, due to the limitations of objective conditions such a...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/215G06F16/29Y02A90/10
Inventor 王兴卞浩瑄郭品文苗春生王介君水泱
Owner NANJING UNIV OF INFORMATION SCI & TECH
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