CN113095690B - Quality rolling evaluation method and device for basic elements of ground observation station - Google Patents
Quality rolling evaluation method and device for basic elements of ground observation station Download PDFInfo
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Abstract
The invention relates to a quality rolling evaluation method and a device for basic elements of a ground observation station, wherein the method comprises the following steps: obtaining effective observation data of basic elements of the ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind; inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station; dividing effective observation data and background data of basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals; and displaying quality rolling evaluation results corresponding to different observation time intervals. By the technical scheme, the data quality of potential height element data of the ground observation station is improved, and the accuracy of meteorological data is further improved.
Description
Technical Field
The invention relates to the technical field of meteorological data processing, in particular to a quality rolling evaluation method and device for basic elements of a ground observation station.
Background
The world weather organization worldwide observation system (WIGOS) is the world weather organization's preferential development area in the 2016-2019 financial period. World Meteorological organization (Cg-17 resolution) agrees to develop and build WIGOS regional centers, assuming maintenance and data quality management responsibilities for regional WIGOS metadata.
Quality rolling evaluation and summary warning of ground observation station basic elements are the most important content of the weather bureau for performing WIGOS regional data quality management work.
Disclosure of Invention
In order to overcome the problems in the related art, the invention provides a quality rolling evaluation method and a quality rolling evaluation device for basic elements of a ground observation station, so that the performance of the ground observation station in terms of quality performance of observation data can be monitored, and further the quality problem of the observation data which is possibly existed can be found out.
According to a first aspect of an embodiment of the present invention, there is provided a quality rolling evaluation method of a ground observation station base element, the method including:
obtaining effective observation data of basic elements of the ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind;
inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
and displaying quality rolling evaluation results corresponding to the different observation time intervals.
In one embodiment, preferably, the observation time interval includes six hours, and each day is divided into 4 central time points according to the observation time interval, namely, 00 points, 06 points, 12 points and 18 points, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
In one embodiment, the observation time interval preferably further comprises 24 hours, which corresponds to a time threshold in the range of 21UTC Front part ≤t<21UTC, wherein 21UTC Front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
In one embodiment, preferably, the method further comprises:
calculating a warning value of the current day according to the average deviation value of the current day, the average deviation value of two days before the current day and the average deviation value of two days after the current day;
the current day warning value is displayed.
In one embodiment, preferably, obtaining valid observation data of the basic elements of the ground observation station in a preset time period from the ground observation station database includes:
acquiring all observation data of basic elements of the ground observation station in a preset time period from a ground observation station database;
and preprocessing all the observed data, and eliminating default values to obtain the effective observed data.
According to a second aspect of an embodiment of the present invention, there is provided a quality roll evaluation device of a ground observation station base element, the device comprising:
the acquisition module is used for acquiring effective observation data of basic elements of the ground observation station in a preset time period from the ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind;
the inquiring module is used for inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
the first calculation module is used for dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
and the first display module is used for displaying the quality rolling evaluation results corresponding to the different observation time intervals.
In one embodiment, preferably, the observation time interval includes six hours, and each day is divided into 4 central time points according to the observation time interval, namely, 00 points, 06 points, 12 points and 18 points, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
The observation time interval also comprises 24 hours, and the corresponding time threshold range is 21UTC Front part ≤t<21UTC, wherein 21UTC Front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
In one embodiment, preferably, the apparatus further comprises:
the second calculation module is used for calculating the warning value of the current day according to the average deviation value of the current day, the average deviation value of two days before the current day and the average deviation value of two days after the current day;
and the second display module is used for displaying the current day warning value.
According to a third aspect of an embodiment of the present invention, there is provided a quality roll evaluation device of a ground observation station base element, the device comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
obtaining effective observation data of basic elements of the ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind;
inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
and displaying quality rolling evaluation results corresponding to the different observation time intervals.
According to a fourth aspect of embodiments of the present invention there is provided a computer readable storage medium having stored thereon computer instructions which when executed by a processor implement the steps of the method of any of the first aspects.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
according to the embodiment of the invention, the effective observation data of the basic elements of the ground observation station and the background data of the basic elements of the corresponding atmospheric data assimilation system in the preset time period are obtained from the ground observation station database, the corresponding quality rolling evaluation results under different observation time intervals are calculated and displayed, so that the performance of the quality performance of the observation data of the ground observation station can be monitored, and the quality problem of the observation data which is possibly existed can be found out.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flow chart illustrating a method of quality roll assessment of ground observation station base elements, according to an exemplary embodiment.
Fig. 2 is a flow chart illustrating another quality roll evaluation method of ground observation station base elements, according to an exemplary embodiment.
Fig. 3 is a diagram illustrating quality roll assessments of certain ground observation stations 2020, 7 months per 6 hours interval, according to an exemplary embodiment.
Fig. 4 is a diagram illustrating a daily 7 month interval quality roll assessment of a certain ground observation station 2020, according to an example embodiment.
Fig. 5 is a 7-month quality summary warning diagram for a certain ground observation station 2020, according to an example embodiment.
Fig. 6 is a block diagram illustrating a quality roll evaluation device of ground observation station base elements according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
Fig. 1 is a flow chart illustrating a quality roll evaluation method of ground observation station base elements, as shown in fig. 1, according to an exemplary embodiment, the method comprising:
step S101, obtaining effective observation data of basic elements of a ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station (or the potential height of certain high-altitude stations), the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the latitude component of 10 meters of wind;
in one embodiment, preferably, obtaining valid observation data of the basic elements of the ground observation station in a preset time period from the ground observation station database includes:
acquiring all observation data of basic elements of the ground observation station in a preset time period from a ground observation station database;
and preprocessing all the observed data, and removing default values such as missing test, 999999 and the like to obtain the effective observed data.
Step S102, inquiring background data of basic elements of an atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station; the background data of the basic elements of the atmospheric data assimilation system is elements (including air pressure, temperature, relative humidity, wind, etc.) corresponding to the geographic position of the ground observation station and corresponding in time calculated by the atmospheric data assimilation system (for example, the ECMWF atmospheric assimilation system of the european numerical prediction center, the GRAPES global assimilation prediction system of our country, etc.), and the background values are the air pressure background value, the temperature background value, the relative humidity background value, and the wind background value.
Step S103, dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
in one embodiment, preferably, the observation time interval includes six hours, and each day is divided into 4 central time points according to the observation time interval, namely, 00 points, 06 points, 12 points and 18 points, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, and the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC, as shown in table 1.
TABLE 1
| Center point in time | Threshold range corresponding to observation time (t) |
| 00 | 21UTC≤t<03UTC |
| 06 | 03UTC≤t<09UTC |
| 12 | 09UTC≤t<15UTC |
| 18 | 15UTC≤t<21UTC |
Calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
In one embodiment, the observation time interval preferably further comprises 24 hours, which corresponds to a time threshold in the range of 21UTC Front part ≤t<21UTC, wherein 21UTC Front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
And step S104, displaying quality rolling evaluation results corresponding to the different observation time intervals. Specifically, the quality rolling evaluation result corresponding to different observation time intervals in the preset time period can be displayed in a list or chart form, such as a quality rolling evaluation result in one month.
In this embodiment, according to the effective observation data of the basic elements of the ground observation station and the background data of the basic elements of the atmospheric data assimilation system corresponding to the effective observation data of the basic elements of the ground observation station in the preset time period are obtained from the ground observation station database, the corresponding quality rolling evaluation results under different observation time intervals are calculated and displayed, so that the performance of the quality performance of the observation data of the ground observation station can be monitored, and further the quality problem of the observation data which is possibly existed can be found.
Fig. 2 is a flow chart illustrating another quality roll evaluation method of ground observation station base elements, according to an exemplary embodiment.
As shown in fig. 2, in one embodiment, preferably, the method further comprises:
step S201, calculating a warning value of the current day according to the average deviation value of the current day, the average deviation value of two days (i-2, i-1) before the current day and the average deviation value of two days (i+2, i+1) after the current day;
step S202, displaying the current day warning value.
The specific calculation method is shown in the following formula.
Where X (i) is the average deviation value of the local station barometric pressure (or potential height of some high altitude stations), 2 meters temperature, 2 meters relative humidity and 10 meters wind radial component, 10 meters wind latitudinal component of the day, and AlertX (i) represents the warning value of the day.
A ground observation station is selected as an example, and the quality rolling evaluation effect, the daily quality rolling evaluation effect, and the quality summarizing warning effect of the air pressure elements of the ground observation station every 6 hours are shown in fig. 3, 4 and 5. Of course, the basic elements may also be other elements, such as the potential height of the ground observation station, 2 meters temperature, 2 meters relative humidity, and 10 meters wind radial classification, and 10 meters wind latitudinal component, etc.
Fig. 6 is a block diagram illustrating a quality roll evaluation device of ground observation station base elements according to an exemplary embodiment.
As shown in fig. 6, according to a second aspect of the embodiment of the present invention, there is provided a quality rolling evaluation device of a ground observation station base element, the device comprising:
an obtaining module 61, configured to obtain, from a ground observation station database, valid observation data of basic elements of the ground observation station within a preset period of time, where the basic elements include at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind;
a query module 62, configured to query background data of a basic element of the atmospheric data assimilation system corresponding to the ground observation station according to a geographic location of the ground observation station;
a first calculation module 63, configured to divide the effective observation data and the background data of the basic element into corresponding time threshold ranges according to different observation time intervals, and calculate corresponding quality rolling evaluation results under different observation time intervals respectively;
the first display module 64 is configured to display quality rolling evaluation results corresponding to the different observation time intervals.
In one embodiment, preferably, the observation time interval includes six hours, and each day is divided into 4 central time points according to the observation time interval, namely, 00 points, 06 points, 12 points and 18 points, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
The observation time interval also comprises 24 hours, and the corresponding time threshold range is 21UTC Front part ≤t<21UTC, wherein 21UTC Front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
In one embodiment, preferably, the apparatus further comprises:
the second calculation module is used for calculating the warning value of the current day according to the average deviation value of the current day, the average deviation value of two days before the current day and the average deviation value of two days after the current day;
and the second display module is used for displaying the current day warning value.
According to a third aspect of an embodiment of the present invention, there is provided a quality roll evaluation device of a ground observation station base element, the device comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
obtaining effective observation data of basic elements of the ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the radial classification of 10 meters of wind and the weft component of 10 meters of wind;
inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
and displaying quality rolling evaluation results corresponding to the different observation time intervals.
According to a fourth aspect of embodiments of the present invention there is provided a computer readable storage medium having stored thereon computer instructions which when executed by a processor implement the steps of the method of any of the first aspects.
It is further understood that the term "plurality" in this disclosure means two or more, and other adjectives are similar thereto. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It is further understood that the terms "first," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the expressions "first", "second", etc. may be used entirely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the invention.
It will further be appreciated that although operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In certain circumstances, multitasking and parallel processing may be advantageous.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (9)
1. A method for quality roll assessment of ground observation station base elements, the method comprising:
obtaining effective observation data of basic elements of the ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the wind radial component of 10 meters and the wind latitudinal component of 10 meters;
inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
displaying quality rolling evaluation results corresponding to different observation time intervals;
wherein the observation time interval comprises six hours, each day is divided into 4 central time points which are respectively 00 points, 06 points, 12 points and 18 points according to the observation time interval, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
2. The method of claim 1, wherein the observation time interval further comprises 24 hours corresponding to a time threshold in the range of 21UTC Front part ≤t<21UTC, wherein,
21UTC front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
3. The method according to claim 2, wherein the method further comprises:
calculating a warning value of the current day according to the average deviation value of the current day, the average deviation value of two days before the current day and the average deviation value of two days after the current day;
the current day warning value is displayed.
4. A method according to any one of claims 1 to 3, wherein obtaining valid observation data of the base elements of the ground observation station for a preset period of time from the ground observation station database comprises:
acquiring all observation data of basic elements of the ground observation station in a preset time period from a ground observation station database;
and preprocessing all the observed data, and eliminating default values to obtain the effective observed data.
5. A quality roll assessment device for ground observation station base elements, the device comprising:
the acquisition module is used for acquiring effective observation data of basic elements of the ground observation station in a preset time period from the ground observation station database, wherein the basic elements comprise at least one of the following: the air pressure of the station, the temperature of 2 meters, the relative humidity of 2 meters, the wind radial component of 10 meters and the wind latitudinal component of 10 meters;
the inquiring module is used for inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
the first calculation module is used for dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
the first display module is used for displaying quality rolling evaluation results corresponding to different observation time intervals;
wherein the observation time interval comprises six hours, each day is divided into 4 central time points which are respectively 00 points, 06 points, 12 points and 18 points according to the observation time interval, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
6. The apparatus of claim 5, wherein the observation time interval further comprises 24 hours corresponding to a time threshold in the range of 21UTC Front part ≤t<21UTC, wherein 21UTC Front part Indicating the 21UTC time of the previous day,
calculating a corresponding second quality rolling evaluation result, namely a daily average deviation value, at 24-hour observation time intervals by adopting the following second calculation formula;
wherein X (Oj) is the observed data of the base element of the station, X (Bj) is the background data corresponding to the observed data of the base element of the station, and NUMday is the number of base elements conforming to the current time of day threshold range.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the second calculation module is used for calculating the warning value of the current day according to the average deviation value of the current day, the average deviation value of two days before the current day and the average deviation value of two days after the current day;
and the second display module is used for displaying the current day warning value.
8. A quality roll assessment device for ground observation station base elements, the device comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
obtaining effective observation data of basic elements of a ground observation station in a preset time period from a ground observation station database, wherein the basic elements comprise the air pressure of the ground observation station, the temperature of the ground observation station, the relative humidity of 2 meters, the wind radial component of 10 meters and the wind latitudinal component of 10 meters;
inquiring background data of basic elements of the atmosphere data assimilation system corresponding to the ground observation station according to the geographic position of the ground observation station;
dividing the effective observation data and the background data of the basic elements into corresponding time threshold ranges according to different observation time intervals, and respectively calculating corresponding quality rolling evaluation results under different observation time intervals;
displaying quality rolling evaluation results corresponding to different observation time intervals;
wherein the observation time interval comprises six hours, each day is divided into 4 central time points which are respectively 00 points, 06 points, 12 points and 18 points according to the observation time interval, wherein the time threshold range corresponding to the 00 points is 21UTC less than or equal to t <03UTC, the time threshold range corresponding to the 06 points is 03UTC less than or equal to t <09UTC, the time threshold range corresponding to the 12 points is 09UTC less than or equal to t <15UTC, the time threshold range corresponding to the 18 points is 15UTC less than or equal to t <21UTC,
calculating a corresponding first quality rolling evaluation result at six-hour observation time intervals by adopting the following first calculation formula;
wherein X (Oj) is the observation data of the basic element of the station; x (Bj) is background data corresponding to the observation data of the basic elements of the station; NUM00 is the number of basic elements meeting the time threshold range corresponding to 00 points; NUM06 is the number of basic elements meeting the time threshold range corresponding to 06 points; NUM12 is the number of basic elements which meet the time threshold range corresponding to 12 points; NUM18 is the number of base elements that corresponds to the time threshold range corresponding to 18 points.
9. A computer readable storage medium having stored thereon computer instructions, which when executed by a processor, implement the steps of the method of any of claims 1-4.
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