CN113740371B - Method, device and computer readable storage medium for determining water body thermal pollution - Google Patents
Method, device and computer readable storage medium for determining water body thermal pollution Download PDFInfo
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- CN113740371B CN113740371B CN202111081559.8A CN202111081559A CN113740371B CN 113740371 B CN113740371 B CN 113740371B CN 202111081559 A CN202111081559 A CN 202111081559A CN 113740371 B CN113740371 B CN 113740371B
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Abstract
The invention relates to the technical field of water body thermal pollution, and provides a method and a device for determining water body thermal pollution, a computer readable storage medium and electronic equipment, wherein in the embodiment, the method comprises the following steps: for each of a plurality of waypoints of a target water region, acquiring water profile temperature data of the waypoint; determining at least one stable waypoint in the plurality of waypoints according to the water body section temperature data of each waypoint in the plurality of waypoints; determining the reference temperature of the target water body area according to the water body section temperature data of at least one stable navigation point; and determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area. According to the technical scheme of the embodiment of the invention, the water body thermal pollution of the target water body area is extracted based on the measured water body section temperature data of each of the multiple navigation points of the target water body area, the accuracy and objectivity of the water body thermal pollution monitoring reference are improved, and effective scientific basis and data support are provided for water environment supervision.
Description
Technical Field
The invention relates to the technical field of water body thermal pollution, in particular to a method and a device for determining water body thermal pollution and a computer readable storage medium.
Background
With the enhancement of the awareness of the society on environmental protection, the phenomenon that the temperature of the surrounding water area is abnormally increased in the working process of a power plant gradually draws public attention. The hot waste water is continuously discharged into the receiving water body, the temperature of the surrounding water area is increased, and heat pollution is generated, so that the quantity, the variety, the community structure and the like of the ecological system and aquatic organisms in the water area are influenced to different degrees. For example, in summer in 1978, warm drainage water of a power plant at a pavilion in China is directly discharged into a pavilion Yu river, so that the water temperature is higher than 40 ℃, and accordingly 73 tons of fishery, 1.8 ten thousand tons of three-water crops and 4.4 thousands of clams are lost (Yuan Lei, 2013). Therefore, the monitoring and evaluation of the state of the water body have very important significance for protecting the ecological balance of the water quality and the water environment of the sea water body.
The thirty-sixth regulation of the marine environmental protection law of the people's republic of China: the method is characterized in that effective measures must be taken to discharge hot wastewater to the sea area, so that the water temperature of the adjacent fishery water area is ensured to meet the national marine environment quality standard, and the harm of thermal pollution to aquatic resources is avoided. The reference temperature is an important parameter for determining the size of the thermal pollution range of the water body, and plays a vital role in monitoring the thermal pollution distribution range and degree and obtaining the scientificity and objectivity of the reference temperature. The reference temperature is mainly relative to thermal abnormality caused by warm discharge water, and means an average temperature of the surface of the water body in the existing area (Zhu Li, etc., 2014) assuming that there is no warm discharge water. The existing reference temperature extraction method comprises the following steps: a multipoint average temperature method, a water intake temperature method, an adjacent area temperature substitution method, a corrected bay average method, a radius area average temperature method, a temperature rise mixing zone minimum temperature method.
However, in the current process of extracting the reference temperature, the ground measurement and monitoring of the thermal pollution of the water body are usually calculated according to a specific area method or an average method, so that the accuracy of the reference temperature is low, and the thermal pollution of the water body cannot be extracted more accurately.
Disclosure of Invention
The invention provides a method and a device for determining water body thermal pollution, a computer readable storage medium and electronic equipment, which can accurately extract the water body thermal pollution of a target water body area, improve the accuracy and objectivity of a water body thermal pollution monitoring reference and provide effective scientific basis and data support for water environment supervision.
In a first aspect, the present invention provides a method of determining thermal pollution of a body of water, comprising:
for each waypoint of a plurality of waypoints of a target water region, acquiring water section temperature data of the waypoint;
determining at least one stable waypoint in the plurality of waypoints according to the water body section temperature data of each waypoint in the plurality of waypoints;
determining the reference temperature of the target water body area according to the water body section temperature data of the at least one stable navigation point;
and determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area.
In a second aspect, the present invention provides an apparatus for determining thermal pollution of a body of water, comprising:
the temperature data acquisition module is used for acquiring water body section temperature data of a plurality of waypoints of a target water body area;
the stable waypoint acquisition module is used for determining at least one stable waypoint in the plurality of waypoints according to the water body section temperature data of each waypoint in the plurality of waypoints;
the reference temperature determining module is used for determining the reference temperature of the target water body area according to the water body section temperature data of the at least one stable waypoint;
and the thermal pollution determination module is used for determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area.
In a third aspect, the invention provides a computer-readable storage medium comprising executable instructions which, when executed by a processor of an electronic device, cause the processor to perform the method according to any one of the first aspect.
In a fourth aspect, the present invention provides an electronic device, comprising a processor and a memory storing execution instructions, wherein when the processor executes the execution instructions stored in the memory, the processor performs the method according to any one of the first aspect.
The invention provides a method, a device, a computer readable storage medium and electronic equipment for determining thermal pollution of a water body, wherein the method comprises the steps of acquiring water body section temperature data of a plurality of waypoints of a target water body area by aiming at each of the waypoints; then, determining a plurality of stable waypoints in the plurality of waypoints according to the respective water body section temperature data of each waypoint in the plurality of waypoints; then, determining the reference temperature of the target water body area according to the water body section temperature data of the stable waypoints; and then, determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area. In conclusion, by the technical scheme of the invention, the water body thermal pollution of the target water body area can be extracted more accurately, the accuracy and objectivity of the water body thermal pollution monitoring reference are improved, and effective scientific basis and data support are provided for water environment supervision.
Further effects of the above-mentioned unconventional preferred modes will be described below in conjunction with specific embodiments.
Drawings
In order to more clearly illustrate the embodiments or the prior art solutions of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic diagram of temperature measurement data provided by an embodiment of the present invention;
FIG. 2a is a first schematic diagram illustrating a temperature variation according to an embodiment of the present invention;
FIG. 2b is a second schematic diagram of a temperature variation according to an embodiment of the present invention;
FIG. 2c is a third schematic diagram of a temperature variation according to an embodiment of the present invention;
FIG. 2d is a fourth schematic diagram illustrating a temperature variation according to an embodiment of the present invention;
FIG. 2e is a fifth schematic diagram of a temperature variation according to an embodiment of the present invention;
FIG. 2f is a sixth schematic diagram of a temperature variation scenario provided by an embodiment of the present invention;
FIG. 3 is a diagram illustrating thermal pollution of a water body according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a method for determining thermal pollution of a water body according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an apparatus for determining thermal pollution of a water body according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and completely with reference to the following embodiments and accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
First, a practical application of the method provided by the embodiment of the present invention is described.
(I) Experimental design and seawater temperature data acquisition
Firstly, selecting a research area (sea area near a power plant); secondly, designing test waypoints in the research area range, wherein the designed waypoints are gradually distributed outwards from dense to sparse by taking the nuclear power station as a center, and land and islands need to be avoided so as not to influence the measured temperature value; finally, a Temperature acquisition instrument, such as a Temperature-Depth (CTD) or a Temperature-Depth (TD) instrument, is used for acquiring seawater Temperature data.
(II) time-series temperature treatment
As the instrument firstly discharges water after discharging water in the measuring process, the depth data at each navigation point shows a periodic phenomenon from shallow to deep and then from deep to shallow. As shown in fig. 1, in the measurement process, the temperature and the depth are changed in 5 periods along with time, and the temperature and the depth respectively correspond to 5 measured waypoints, so that the depth is increased from 0.02m and then returns to 0.02m again to be the period of measuring one waypoint by the instrument, and the corresponding temperature value in each period is the measured temperature sequence at the corresponding waypoint.
Through regular analysis in the graph, the measurement depth of the instrument when the instrument just enters water and just leaves water is sea level height, the recorded value of the instrument can be known as 0.02m, the real value is 0m, the 0.02m is caused by the difference between the actual atmospheric pressure and the standard atmospheric pressure, and the error is corrected to obtain the real instrument entering water depth.
The correction of the depth of entry is carried out by the following formula (1):
h ar ＝h br -h sea (1)
in the formula, h ar Indicating the depth of penetration of the calibrated instrument, h br Indicating the depth of penetration, h, of the instrument before calibration sea Representing the depth values recorded when the instrument is placed at sea level.
Further, setting the layered water depth to be 0.5, namely setting the layered water depth to be a layer of depth layer every 0.5m, and extracting and calculating the temperature value of the depth layer of each waypoint. Specifically, the depth layer h of the waypoint can be calculated by the following formula (2) i Temperature value of (2):
wherein, the first and the second end of the pipe are connected with each other,
representing depth layer h i The temperature value of (a); h is i (i =0.5,1.0,1.5, …) denotes a depth layer, such as h 0.5 Representing a stratified water depth of 0-0.5m, h 1 Representing a stratified water depth of 0.5-1.0 m;
indicating being located in depth layer h i The jth temperature measurement of (a); n denotes a depth layer h i The number of temperature measurements.
And taking the respective temperature values of the multiple layers of depth layers of the waypoints as water body section temperature data.
(III) analysis of vertical profile characteristics of seawater temperature
The profile change rule of the actually measured water profile temperature data is analyzed and summarized into 6 types. A temperature vertical profile is created with depth as the vertical axis and temperature as the horizontal axis, and representative waypoint data is selected as shown in fig. 2 a-2 f.
Type 1: the water section data of the navigation point keeps stable and is not influenced by warm water drainage. See in particular the temperature variation of each of the two waypoints in fig. 2 a.
Type 2: the front end of the water body section data of the navigation point is stable, and the temperature slightly rises or falls after a certain depth, so that the front layers which are kept stable are not influenced by warm water drainage. See in particular the temperature variation of each of the two waypoints in fig. 2 b.
Type 3: the end main body in the water section data of the navigation point tends to be stable, and the possibility of being influenced by warm drainage is low. See in particular the temperature variation of each of the two waypoints in fig. 2 c.
Type 4: the main body of the water body section data of the waypoints tends to be stable after a certain depth, which shows that the temperature of the waypoints is not influenced by warm drainage below a certain depth. See in particular the temperature variation of each of the two waypoints in fig. 2 d.
Type 5: the water section data of the navigation point is always reduced, a stable temperature layer does not exist, and the influence of warm water drainage cannot be eliminated. See in particular the temperature variation of each of the two waypoints in fig. 2 e.
Type 6: the water body profile data of the waypoint has no obvious regular characteristics, and the influence possibility of warm drainage is high. See in particular the temperature variation of each of the two waypoints in fig. 2 f.
In summary, the vertical section temperatures of types 1 to 4 have continuous multi-layer stable data at the whole, the front end, the middle end and the rear end respectively, and can be used for reference temperature extraction. The vertical profile data of type 5 and type 6 do not have a continuous stable layer, which indicates whether the vertical profile data is affected by warm water drainage or cannot be excluded, and are not used for reference temperature extraction.
(IV) reference temperature extraction
TABLE 1
Averaging the temperature values of the respective stabilization layers of the types 1-4 to obtain the stabilization temperature of each waypoint, and averaging the stabilization temperature of each waypoint to obtain the reference temperature of the measured data. As shown in table 1, the average of all stable waypoints 24.15 is the extracted reference temperature.
And performing interpolation calculation based on the temperature values of the 1 st layer, namely the top layer of the plurality of waypoints to determine a temperature space interpolation result of ground monitoring. The water body thermal pollution graph is extracted from the temperature space interpolation result of ground monitoring, and the extraction result is shown in figure 3, wherein +1 ℃ represents the first-level thermal pollution, +2 ℃ represents the second-level thermal pollution, and +3 ℃ represents the third-level thermal pollution.
Fig. 4 shows a method provided in an embodiment of the present invention. The method provided by the embodiment of the invention can be applied to electronic equipment, particularly a server or a general computer, and the electronic equipment is taken as an execution subject to be described below. In this embodiment, the method specifically includes the following steps:
as shown in fig. 1, an embodiment of the present invention provides a method for determining thermal pollution of a water body, including the following steps:
As a feasible implementation manner, a target water body area, for example, the sea area near the power plant, is selected, and waypoints are designed in the target water body area, and the designed waypoints need to avoid lands and islands so as not to influence temperature measurement. In one example, the designed waypoints are distributed from dense to sparse outward from the center point of the target water body region. In one example, the target water body area includes a nuclear power plant, and the designed waypoints are distributed from dense to sparse outward with the nuclear power plant as the center.
As a possible implementation, the water profile temperature data of the waypoint includes respective temperature values of the plurality of depth layers. The water section temperature data of the waypoint can be determined by the following implementation mode:
acquiring water body temperature measurement data obtained by measuring the water body temperature of the navigation point, wherein the water body temperature measurement data comprises temperature measurement values corresponding to a plurality of entry depth values, the entry depth values are corrected entry depth values, and the maximum value of the entry depth values is the measured water depth; layering the measured water depth based on the preset layered water depth to determine a multi-layer depth layer; for each of the plurality of depth layers, a weighted average of respective temperature measurements for a plurality of ingress depth values belonging to the depth layer is performed to determine a temperature value for the depth layer.
Firstly, for each of a plurality of waypoints, a temperature acquisition instrument is adopted to acquire water section temperature data of the waypoint so as to determine original water temperature measurement data acquired by the instrument. Wherein the raw water temperature measurement data comprises respective temperature measurements for a plurality of water entry depth values.
In practical application, a user inputs the original water body section temperature data into the electronic equipment, so that the electronic equipment acquires the original water body section temperature data of a waypoint.
The electronic device corrects the value of the depth of the incoming water. And (4) correcting the depth value of the entering water through the formula (1).
The electronics then acquire a set stratified water depth, such as 0.5m, which is described below as 0.5 m. It should be understood that 0.5m is merely exemplary and not limiting.
The electronic device divides the measured water depth of the waypoint (the maximum value of the corrected underwater depth values of the waypoint) based on the layered water depth for each waypoint of the plurality of waypoints to obtain a multi-layer depth layer. Illustratively, the stratified water depth is 0.5, that is, one depth layer is set every 0.5m, a plurality of depth layers are set based on the measured depth of the waypoint, that is, the corrected maximum water entry depth measured by the instrument, and a temperature value of each depth layer is extracted and calculated. Specifically, the temperature value of the depth layer hi is calculated by the above formula (2). Illustratively, if the maximum entry depth is an integer multiple of 0.5, e.g., 5 meters, the depth layers are 0.5,1, 1.5, … …, 5; if the maximum water entry depth is not an integral multiple of 0.5, the depth layer ends with the depth layer where the maximum water entry depth is located, for example, if the maximum water entry depth is 4.2, the depth layers are 0.5,1, 1.5, … …, 4.5.
It should be understood that the stratified water depths of the multiple depth layers at the same waypoint are the same, as are the stratified water depths of the depth layers at different waypoints.
As a feasible implementation manner, for each of the plurality of waypoints, the electronic device determines a temperature change condition of the waypoint according to the water body profile temperature data of the waypoint, and determines the waypoint as a stable waypoint when the temperature change condition indicates that the temperature is stable.
Wherein, the temperature change condition can be overall stable, front-end stable, middle-end stable, back-end stable, unstable or no change rule, and the detailed contents refer to the above 6 types. And when the temperature change condition of the waypoint is integral stability, front end stability, middle end stability or rear end stability, determining the waypoint as a stable waypoint. It should be understood that a stable waypoint indicates a waypoint at which the temperature value is stable.
In one example, the electronic device determines whether the data is stable by calculating a difference between respective temperature values of two adjacent depth layers in the water body profile temperature data, for example, if the difference is not greater than a preset threshold, the data is stable, so that a plurality of continuous and stable depth layers and positions thereof can be determined, and thus, a stable change condition can be determined.
In one example, the electronic device plots the depth layer as an abscissa and the temperature value as an ordinate to obtain a temperature vertical profile of the waypoint, displays the temperature vertical profile to the user, determines whether the waypoint is a stable waypoint by the user based on the temperature vertical profile of the waypoint, and inputs the determination result to the electronic device.
And 403, determining the reference temperature of the target water body area according to the water body section temperature data of each stable waypoint.
As a possible implementation, the water body profile temperature data includes respective temperature values for a plurality of depth layers. The reference temperature may specifically be determined by:
for each point of at least one stable waypoint, performing temperature stability analysis on the water body section temperature data of the stable waypoint to determine a plurality of stable layers, and determining a stable temperature value of the stable waypoint based on the respective temperature values of the plurality of stable layers; and determining the reference temperature of the target water body area based on the respective stable temperature value of the at least one stable waypoint.
The plurality of stabilization layers can be understood as a depth layer at the beginning of stabilization, a depth layer at the end of stabilization, and a water entry temperature layer between the depth layer at the beginning of stabilization and the water entry temperature layer at the end of stabilization. It should be understood that the stable layer may be understood as a depth layer with stable temperature values, and in practical applications, the plurality of stable layers are a plurality of continuous depth layers, and a difference between respective temperature values of two adjacent temperature layers in the plurality of stable layers is not greater than a preset threshold.
In one example, the electronic device determines whether the two adjacent depth layers are stable by calculating a difference value between respective temperature values of the two adjacent depth layers in the water body profile temperature data, so that a plurality of continuous and stable depth layers can be determined, and the depth layers are respectively used as stable layers. In practical application, when the difference value of the temperature values of two adjacent depth layers in the continuous multiple depth layers is not greater than the preset threshold value, it can be determined that the multiple depth values are respectively stable layers. For example, in the case of a liquid,
in (1),
if the difference is not greater than the preset threshold value, then
Respectively, a stabilizing layer.
In one example, the electronic device plots the depth layer as an abscissa and the temperature value as an ordinate to obtain a temperature vertical profile of the waypoint, displays the temperature vertical profile to the user, determines whether the waypoint is a stable waypoint based on the temperature vertical profile of the waypoint by the user, determines a plurality of stable layers if the waypoint is the stable waypoint, and inputs the determination result to the electronic device.
In one example, the electronic device averages the respective stable temperature values of the plurality of stable layers to obtain a stable temperature value of each waypoint, and then averages the stable temperature values of each waypoint to obtain a reference temperature. For example, 24.15 in total in table 1 is the reference temperature.
And step 404, determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area.
As a feasible implementation manner, the thermal water pollution map of the target water body area can be determined specifically by the following implementation manners:
determining a ground monitoring temperature map of a target water body area based on the water body profile temperature data of each of the plurality of waypoints; and determining a water body thermal pollution map of the target water body area according to the difference value between the temperature value of each point in the ground monitoring temperature map and the reference temperature.
The electronic device is based on a depth layer (e.g., the aforementioned h) of a top layer of each of the plurality of waypoints 0.5 ) The temperature value of the target water body area is interpolated to determine a ground monitoring temperature map of the target water body area, namely the interpolation result of the temperature space monitored on the ground. Each pixel point in the ground monitoring temperature graph corresponds to one temperature value.
And then, for each pixel point in the ground monitoring temperature map, the electronic equipment takes the difference value between the temperature value of the pixel point and the reference temperature as the water body thermal pollution map of the pixel point. For example, fig. 3 shows a thermal pollution map of a water body, wherein +1 ℃ represents primary thermal pollution, +2 ℃ represents secondary thermal pollution, and +3 ℃ represents tertiary thermal pollution.
According to the technical scheme, the beneficial effects of the embodiment are as follows:
the water body thermal pollution of the target water body area is extracted based on the measured water body section temperature data of each of the multiple navigation points of the target water body area, the accuracy and objectivity of the water body thermal pollution monitoring reference are improved, and effective scientific basis and data support are provided for water environment supervision.
Based on the same concept as the method embodiment of the present invention, referring to fig. 5, an embodiment of the present invention further provides an apparatus for determining thermal pollution of a water body, including:
the temperature data acquisition module 501 is configured to acquire water profile temperature data of a plurality of waypoints of a target water region for each of the waypoints;
a stable waypoint obtaining module 502, configured to determine at least one stable waypoint in the multiple waypoints according to the water body profile temperature data of each waypoint in the multiple waypoints;
a reference temperature determining module 503, configured to determine a reference temperature of the target water body area according to the water body profile temperature data of each of the at least one stable waypoint;
a thermal pollution determination module 504, configured to determine a water thermal pollution map of the target water body area based on the reference temperature of the target water body area.
As a possible implementation manner, the stable waypoint obtaining module 502 includes: a temperature point acquisition unit; wherein the content of the first and second substances,
the temperature point acquisition unit is used for determining the temperature change condition of each waypoint in the plurality of waypoints according to the water body section temperature data of the waypoint, and determining the waypoint as a stable waypoint when the temperature change condition indicates that the temperature is stable.
As a feasible implementation manner, the temperature variation condition is overall stable, front-end stable, middle-end stable, rear-end stable, unstable or no variation rule; the temperature change condition of the stable navigation point is integral stability, front end stability, middle end stability or rear end stability.
As a possible implementation manner, the water body profile temperature data includes respective temperature values of a plurality of depth layers, and the plurality of depth layers are obtained by layering the measured water depths of the waypoints based on layered water depths.
As a possible implementation, the reference temperature determining module 503 includes: a first stability determining unit and a second temperature determining unit; wherein the content of the first and second substances,
the first temperature determining unit is configured to perform temperature stability analysis on the water body profile temperature data of the stable waypoint for each point of the at least one stable waypoint, determine a plurality of stable layers, and determine a stable temperature value of the stable waypoint based on a temperature value of each of the plurality of stable layers;
the second temperature determination unit is configured to determine a reference temperature of the target water body area based on a stable temperature value of each of the at least one stable waypoint.
As a possible implementation manner, the plurality of stable layers are a plurality of continuous depth layers, and a difference value of temperature values of two adjacent temperature layers in the plurality of stable layers is not greater than a preset threshold value.
As a possible implementation, the temperature data obtaining module 501 includes: the device comprises a measured value acquisition unit, a layering unit and a calculation unit; wherein the content of the first and second substances,
the measurement value acquisition unit is used for acquiring water body temperature measurement data obtained by measuring the water body temperature of the navigation point, wherein the water body temperature measurement data comprises temperature measurement values corresponding to a plurality of entry depth values, the entry depth values are corrected entry depth values, and the maximum value of the entry depth values is the measured water depth;
the layering unit is used for layering the measured water depth based on the layered water depth and determining a plurality of depth layers;
the calculation unit is configured to, for each of the plurality of depth layers, perform a weighted average of temperature measurement values of each of a plurality of entry depth values belonging to the depth layer to determine a temperature value of the depth layer.
As a possible implementation, the thermal pollution determination module 504 includes a temperature map determination unit and a thermal pollution map determination unit; wherein the content of the first and second substances,
the temperature map determining unit is used for determining a ground monitoring temperature map of the target water body area based on the water body section temperature data of each of the plurality of waypoints;
and the thermal pollution map determining unit is used for determining the water body thermal pollution map of the target water body area according to the difference value between the temperature value of each point in the ground monitoring temperature map and the reference temperature.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention. On the hardware level, the electronic device includes a processor 601 and a memory 602 storing executable instructions, and optionally further includes an internal bus 603 and a network interface 604. The Memory 602 may include a Memory 6021, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory 6022 (e.g., at least 1 disk Memory); the processor 601, the network interface 604, and the memory 602 may be connected to each other by an internal bus 603, and the internal bus 603 may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like; the internal bus 603 may be divided into an address bus, a data bus, a control bus, etc., which is indicated by only one double-headed arrow in fig. 6 for convenience of illustration, but does not indicate only one bus or one type of bus. Of course, the electronic device may also include hardware required for other services. When the processor 601 executes the execution instructions stored by the memory 602, the processor 601 performs a method in any of the embodiments of the present invention and at least for performing the method as shown in fig. 4.
In a possible implementation manner, the processor reads corresponding execution instructions from the nonvolatile memory into the memory and then runs the corresponding execution instructions, and corresponding execution instructions can also be obtained from other equipment, so that a device for determining the thermal pollution of the water body is formed on a logic level. The processor executes the execution instructions stored in the memory to realize a method for determining the thermal pollution of the water body provided by any embodiment of the invention through the executed execution instructions.
The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Embodiments of the present invention further provide a computer-readable storage medium, which includes an execution instruction, and when a processor of an electronic device executes the execution instruction, the processor executes a method provided in any one of the embodiments of the present invention. The electronic device may specifically be an electronic device as shown in fig. 6; the execution instructions are a computer program corresponding to a device for determining thermal pollution of a body of water.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects.
All the embodiments in the invention are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A method of determining thermal pollution of a body of water, comprising:
for each waypoint of a plurality of waypoints of a target water region, acquiring water section temperature data of the waypoint, wherein the water section temperature data comprises respective temperature values of a plurality of depth layers, and the depth layers are obtained by layering measured water depths of the waypoints based on layered water depths;
determining at least one stable waypoint in the plurality of waypoints according to the water body section temperature data of each waypoint in the plurality of waypoints, wherein whether the waypoint is stable or not is judged by calculating the difference value of the temperature values of two adjacent depth layers in the water body section temperature data, when the temperature change condition indicates that the temperature is stable, the waypoint is determined as the stable waypoint, and the temperature change condition of the stable waypoint is stable as a whole, stable at the front end, stable at the middle end or stable at the rear end;
performing temperature stability analysis on the water body section temperature data of the stable waypoints, determining a plurality of stable layers, and determining stable temperature values of the stable waypoints based on respective temperature values of the plurality of stable layers;
determining a reference temperature of the target water body area according to the respective stable temperature value of the at least one stable waypoint;
and determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area.
2. The method of claim 1, wherein determining at least one stable waypoint of the plurality of waypoints from the water profile temperature data for each respective waypoint of the plurality of waypoints comprises:
and for each of the plurality of waypoints, determining the temperature change condition of the waypoint according to the water body section temperature data of the waypoint, wherein the temperature change condition is a rule of integral stability, front-end stability, middle-end stability, rear-end stability, instability or no change, and when the temperature change condition indicates that the temperature is stable, the waypoint is determined as a stable waypoint.
3. The method of claim 1, wherein determining the reference temperature of the target water body region from the water body profile temperature data of each of the at least one stable waypoints comprises:
for each point of the at least one stable waypoint, performing temperature stability analysis on the water body section temperature data of the stable waypoint to determine a plurality of stable layers, and determining a stable temperature value of the stable waypoint based on the respective temperature values of the plurality of stable layers;
and determining the reference temperature of the target water body area based on the stable temperature value of each stable waypoint.
4. The method of claim 1, wherein the obtaining water profile temperature data for the waypoint comprises:
acquiring water body temperature measurement data obtained by measuring the water body temperature of the navigation point; the water body temperature measurement data comprises temperature measurement values corresponding to a plurality of entry depth values, the entry depth values are corrected entry depth values, and the maximum value of the entry depth values is a measured water depth;
stratifying the measured water depth based on the stratified water depth to determine a plurality of depth layers;
for each of the plurality of depth layers, a weighted average of the temperature measurements for each of a plurality of ingress depth values belonging to the depth layer is performed to determine a temperature value for the depth layer.
5. The method of claim 1, wherein determining the thermal water pollution map for the target water body region based on the reference temperature for the target water body region comprises:
determining a ground monitoring temperature map of the target water body area based on the water body profile temperature data of each of the plurality of waypoints;
and determining a water body thermal pollution map of the target water body area according to the difference value between the temperature value of each point in the ground monitoring temperature map and the reference temperature.
6. An apparatus for determining thermal pollution of a body of water, comprising:
the temperature data acquisition module is used for acquiring water body section temperature data of a plurality of waypoints of a target water body area for each waypoint;
the stable waypoint acquisition module is used for determining at least one stable waypoint in the plurality of waypoints according to the water body section temperature data of each waypoint in the plurality of waypoints;
the reference temperature determining module is used for determining the reference temperature of the target water body area according to the water body section temperature data of the at least one stable navigation point;
and the thermal pollution determination module is used for determining a water body thermal pollution map of the target water body area based on the reference temperature of the target water body area.
7. A computer-readable storage medium comprising executable instructions that, when executed by a processor of an electronic device, cause the processor to perform the method of any of claims 1 to 5.
8. An electronic device comprising a processor and a memory storing execution instructions, the processor performing the method of any of claims 1-5 when the processor executes the execution instructions stored by the memory.
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