CN110390801B - Disaster early warning demonstration system for offshore hypoxia - Google Patents

Disaster early warning demonstration system for offshore hypoxia Download PDF

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CN110390801B
CN110390801B CN201910664845.3A CN201910664845A CN110390801B CN 110390801 B CN110390801 B CN 110390801B CN 201910664845 A CN201910664845 A CN 201910664845A CN 110390801 B CN110390801 B CN 110390801B
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early warning
monitoring
data
mode
oxygen content
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CN110390801A (en
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李佳
周锋
倪晓波
曾定勇
何易
黄大吉
姚炎明
王敏芳
马晓
孟启承
何宇晴
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Second Institute of Oceanography MNR
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Second Institute of Oceanography MNR
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/10Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B31/00Predictive alarm systems characterised by extrapolation or other computation using updated historic data

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  • General Life Sciences & Earth Sciences (AREA)
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Abstract

The invention discloses a disaster early warning demonstration system for offshore hypoxia, which comprises: the detection terminal is arranged in each sea area of the ocean to detect the oxygen content of the ocean; the reporting terminal is connected with the plurality of detection terminals, receives the oxygen content data sent by the plurality of detection terminals, integrates the received oxygen content data into a data packet code, encrypts and sends the data packet code to the outside; the aggregation server receives the data packet after the coding and encryption, decrypts, unpacks and stores the data packet into the monitoring and early warning database; the early warning terminal is used for acquiring and calling monitoring early warning data in the aggregation server; be provided with the early warning procedure on the early warning terminal, the early warning procedure with assemble server communication, the early warning procedure includes: menu bar, status bar, prompt area and main area. The method can enable relevant personnel to conveniently and quickly know the oxygen content change and the oxygen content condition of each current sea area, and can enable the relevant personnel to make timely proper measures, so as to avoid the biodiversity of the sea area corresponding to the ocean hypoxia mapping.

Description

Disaster early warning demonstration system for offshore hypoxia
Technical Field
The invention relates to the technical field of marine disaster early warning, in particular to a system for demonstrating early warning of offshore anoxic disasters.
Background
Ocean hypoxia commonly occurs with ocean eutrophication, where large areas of phytoplankton die after ocean eutrophication, at which time a large amount of oxygen in the ocean is consumed, resulting in ocean hypoxia. Oxygen is a substance essential for the survival of most marine organisms, and different types of marine organisms do not tolerate the dissolved oxygen concentrations to the same extent. For example, the standard of fishery cultivation in China recommends that the water body in a cultivation area maintains the dissolved oxygen concentration to be more than 4 mg/L. The low dissolved oxygen concentration is not favorable for the survival of most marine organisms with higher economic value, and the marine organisms with lower nutritional levels are more likely to adapt to the situation with lower dissolved oxygen, so that the escape of fish and the reduction of biodiversity can be caused by the long-term hypoxia.
How to enable relevant personnel to conveniently and quickly know the current oxygen content change and the current oxygen content condition of each sea area can enable the relevant personnel to timely make the cause-to-effect measures.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a disaster early warning demonstration system for offshore hypoxia, which can enable relevant personnel to conveniently and quickly know the oxygen content change and the oxygen content condition of each current sea area, so that the relevant personnel can timely make measures for reasons, and avoid the influence of the offshore hypoxia on the biodiversity in the corresponding sea area.
In order to achieve the purpose, the invention provides the following technical scheme: an offshore hypoxia disaster warning demonstration system comprising: the detection terminal is arranged in each sea area of the ocean to detect the oxygen content of the ocean and send the oxygen content data of the corresponding sea area;
the reporting terminal is arranged in the center of the plurality of detection terminals, is connected with the plurality of detection terminals, receives the oxygen content data sent by the plurality of detection terminals, integrates the received plurality of oxygen content data into a data packet code, encrypts the data packet code and sends the data packet code to the outside;
the aggregation server is connected with the plurality of reporting terminals, receives the data packets after the codes are encrypted, decrypts, unpacks and stores the data packets into the monitoring and early warning database;
the early warning terminal is connected with the aggregation server to acquire monitoring early warning data in the aggregation server and call the monitoring early warning data;
the early warning terminal is provided with an early warning program, the early warning program is communicated with the convergence server, and the early warning program comprises:
a menu bar: displaying a system name and a function menu of main operation;
a status bar: displaying a system operation process prompt, a scale switch, a current proportion, longitude and latitude position coordinates and system time;
a prompt area: displaying a time shaft and a legend;
main area: displaying the monitoring and early warning data of each area in a map mode;
a time axis switching button is arranged in the menu bar; the time axis mode switching key controls the time axis to switch three working modes, including a monitoring mode, an analog monitoring mode and a playback mode;
in the monitoring mode, updating the monitoring and early warning data displayed in the main area every real thirty minutes, and storing the monitoring and early warning data in the server;
in the simulation monitoring mode, the system simulates real data for thirty minutes every thirty seconds, and meanwhile, the system updates the monitoring and early warning data every thirty seconds;
in a playback mode, a user selects a target year and month, the system enters a playback state at the moment, scale marks are displayed on a time axis, a play button is displayed on the time axis, and the system updates real monitoring early warning data which are stored in the display server and actually pass through thirty minutes every five seconds after the play button is pressed.
As a further improvement of the present invention, a mode switching button is arranged on the time axis, and the current mode type is also displayed on the mode switching button; and each time the mode switching button is pressed, the monitoring mode, the simulation monitoring mode and the playback mode are sequentially switched circularly or randomly in sequence.
As a further improvement of the invention, the legend displayed in the prompt area comprises a current anoxic area, a forecast anoxic area, a monitoring point and a marine functional area; wherein the current anoxic zone and the forecast anoxic zone are displayed by adopting square labels with different colors to correspond to different anoxic degrees; the ocean functional area adopts square labels with different colors to correspond to different functional areas; the monitoring points are displayed corresponding to different sites through different graphic labels; wherein the square label of the current anoxic zone comprises a solid label body and a black solid line outer frame drawn at the edge of the solid label body; the square label of the forecast anoxic zone comprises a square dotted outline frame; the square tag of the marine functional area comprises a solid tag body; and displaying the corresponding legend of the monitoring early warning data displayed in the main area.
As a further improvement of the invention, the menu bar is provided with a legend editing button, and when the legend editing button is pressed, the main area displays a legend editing box for the user to select the contents displayed by the legend.
As a further improvement of the invention, the menu bar is also provided with an eagle eye map button, when the eagle eye map button is pressed, an eagle eye map window appears in the main area, the eagle eye map window displays the eagle eye map, the map window is also provided with a moving frame, the moving frame can be moved by a user in an interactive mode, and when the moving frame moves, the map displayed on the main interface moves along with the moving frame.
As a further improvement of the invention, when the size of the moving frame is changed by the interaction of the moving frame and the user, the map of the main interface is enlarged or reduced.
The method has the advantages that a plurality of detection terminals can be evenly distributed in one sea area, so that the accuracy of the detection of the oxygen content in the sea area is improved, the reporting terminal encrypts the data packet to ensure that the data transmission is safer, the data leakage is prevented, the oxygen content data is integrated through the reporting terminal, the data processing is facilitated, the data transmission is more organized, each detection terminal is prevented from directly uploading data to the aggregation server, and the load of the aggregation server is increased; the early warning terminal is convenient for a user to call data and observe, the early warning terminal is convenient for the user to call data and observe, and the aggregation server can provide better storage space and data processing. The set menu bar is convenient for a user to observe the name of the current system and also convenient for the user to operate the system through a function menu, such as data import and export and other existing function modules; the set status bar is convenient for a user to observe each running state of the current system; the prompt area that sets up shows that the time axis convenience of customers observes the position that the current time lies in the initial time of setting for to the finish time, still shows the legend, and convenience of customers corresponds the legend when observing monitoring early warning data and observes, and then knows the name that each numerical value corresponds in the monitoring early warning data, and is more convenient and fast when letting the user analysis monitoring early warning data. The monitoring early warning data in each region is shown in the form of the map for the main region that sets up, and is more convenient when letting the user observe, and is directly perceived, can make things convenient for relevant personnel to look over that each sea area oxygen content changes and the oxygen content condition just can let relevant personnel in time make because of the measure, avoids the biological diversity in ocean oxygen deficiency influence corresponds the sea area.
Drawings
FIG. 1 is a schematic diagram of the system component connections of the present invention;
FIG. 2 is a schematic diagram of an early warning program interface according to the present invention;
FIG. 3 is a schematic diagram showing the eagle eye map window of the present invention in cooperation with a main area.
Reference numerals: 11. detecting a terminal; 12. reporting the terminal; 13. a convergence server; 14. an early warning terminal; 2. an early warning program; 21. a menu bar; 22. a status bar; 23. a prompt area; 231. a time axis; 232. a play button; 233. a mode switching button; 24. a main region; 25. a time axis switching button; 26. a legend edit box; 27. a legend edit button; 3. eagle eye diagram button; 4. eagle eye map window; 5. and moving the frame.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1-3, an exemplary system for early warning of offshore hypoxia disaster according to the present embodiment includes:
the detection terminal 11 is arranged in each sea area of the ocean to detect the oxygen content of the ocean and send the oxygen content data corresponding to the sea area;
the reporting terminal 12 is arranged in the center of the plurality of detection terminals 11, is connected with the plurality of detection terminals 11, receives the oxygen content data sent by the plurality of detection terminals 11, integrates the received plurality of oxygen content data into a data packet code, encrypts the data packet code and sends the data packet code to the outside;
the aggregation server 13 is connected with the plurality of reporting terminals 12, receives the data packets after encoding and encryption, decrypts, unpacks and stores the data packets into a monitoring and early warning database;
the early warning terminal 14 is connected with the aggregation server 13 to acquire and call monitoring early warning data in the aggregation server 13;
early warning program 2 is provided with on the early warning terminal 14, early warning program 2 and the server 13 communication that assembles, early warning program 2 includes:
menu bar 21: displaying a system name and a function menu of main operation;
status bar 22: displaying a system operation process prompt, a scale switch, a current proportion, longitude and latitude position coordinates and system time;
the prompt area 23: display time axis 231, legend;
main region 24: displaying the monitoring and early warning data of each area in a map mode;
a time axis 231 switching button is arranged in the menu bar 21; the time axis 231 mode switching key controls the time axis 231 to switch three working modes, including a monitoring mode, an analog monitoring mode and a playback mode;
in the monitoring mode, the monitoring and early warning data displayed in the main area 24 is updated every real thirty minutes, and the monitoring and early warning data is stored in the server;
in the simulation monitoring mode, the system simulates real data for thirty minutes every thirty seconds, and meanwhile, the system updates the monitoring and early warning data every thirty seconds;
in the playback mode, the user selects a target month and year, at this time, the system enters a playback state, the time axis 231 presents scale marks, the time axis 231 presents a play button 232, and the system updates the real monitoring and early warning data stored in the display server every five seconds after the play button 232 is pressed, wherein the monitoring and early warning data actually passes through thirty minutes.
Through the technical scheme, the detection terminals 11 (the detection device with the oxygen content detection module in the prior art, and the device is internally provided with the wireless communication circuit, and the wireless communication circuit and the report terminal 12 are used for data interaction) are arranged in each sea area, meanwhile, a plurality of detection terminals 11 can be averagely arranged in one sea area, so as to improve the accuracy of the detection of the oxygen content of the ocean in the sea area, and meanwhile, the report terminal 12 (the wireless receiving and transferring device which is used as the summary data and the report data in the prior art and is provided with the wireless communication circuit and is used for data interaction with the detection terminals 11 and the convergence server 13) is arranged at the central position of the sea area, so that the report terminal 12 is also positioned at the central position of the plurality of detection terminals 11, so as to conveniently receive the oxygen content data sent by the plurality of detection terminals 11, and the report terminal 12 of each sea area can add the summary oxygen content data into the current moment, the data packets are packaged into data packets, coded and encrypted and then sent, the data packets are sent to the aggregation server 13 in a wireless communication mode, the aggregation server 13 can decrypt the received encrypted data packets, meanwhile, unpack the data packets, and sequence and store corresponding sea area serial numbers, time and oxygen content data into a monitoring and early warning database; when a user needs to check monitoring and early warning data through the early warning terminal 14, the user can acquire the monitoring and early warning data in the monitoring and early warning database through the early warning terminal 14 and call the monitoring and early warning data; data transmission can be safer due to the encryption of the data packet, data leakage is prevented, the data processing is facilitated by integrating the oxygen content data through the reporting terminal 12, so that the data transmission is more orderly, each detection terminal 11 is prevented from directly uploading the data to the aggregation server 13, and the load of the aggregation server 13 is increased; the early warning terminal 14 facilitates the user to recall data and observe.
In addition, when the relevant personnel need to observe the detection early warning data of the current ocean, the working mode of the time axis 231 can be switched to the monitoring mode through the time axis 231 switching button in the menu bar 21, at this time, the monitoring early warning data displayed in the main area 24 can be updated once every thirty minutes of the real time in the monitoring mode, because the change of the ocean oxygen content is slow, if the set monitoring early warning data is too fast updated, a large amount of communication resources can be occupied, a working load can be caused to the external detection terminal 11 which is connected with the early warning terminal 14 connected with the system and is used for detecting the ocean oxygen content, the updating frequency of the detection early warning data is set to be thirty minutes, only 48 times of communication interaction are needed in one day, statistics can be conveniently carried out by taking half an hour as a time scale, the communication resources can be saved, and the work of the external detection terminal 11 used for detecting the ocean oxygen content can be reduced, further reducing the power consumption, thus achieving the effect of saving energy; in the set simulation detection mode, the real time is simulated every thirty seconds by the system for thirty minutes, so that the monitoring and early warning data are updated twice every minute, which is equivalent to one hour corresponding to the real time every minute, and at the moment, the system is in communication interaction with the external detection terminal 11 for detecting the oxygen content in the ocean twice, so that the monitoring and early warning data are updated twice; at the moment, the system can communicate and interact with an external detection terminal 11 for detecting the oxygen content in the ocean once every half minute, so that new monitoring and early warning data can be obtained, more accurate monitoring and early warning data can be obtained by accelerating the updating frequency of the monitoring and early warning data in the sea area or time period of important early warning, and an observer can check the oxygen content in the ocean in the sea area or time period in real time; in the playback mode, a user can select a target month as a start time, and then start playback by interacting with the play button 232, at the moment, the system acquires real monitoring and early warning data from the server every five seconds and stores the data, and at the moment, playback is performed at a speed of five seconds to thirty minutes, so that the change seen by an observer is smoother, meanwhile, enough time is provided for observing the monitoring and early warning data acquired from the server every time, and scale marks are displayed on the time axis 231, so that the user can conveniently observe the specific date of the currently displayed monitoring and early warning data. The arranged menu bar 21 is convenient for the user to observe the name of the current system and also convenient for the user to operate the system through a function menu, such as the existing function modules of data import and export and the like; the status bar 22 is arranged to facilitate the user to observe various states of the current system operation; the prompt zone 23 that sets up shows that time axis 231 convenience of customers observes the position that the current time lies in the initial time of setting for to the finish time, still shows the legend, and convenience of customers corresponds the legend when observing monitoring early warning data and observes, and then knows the name that each numerical value corresponds in the monitoring early warning data, and is more convenient and fast when letting the user analysis monitoring early warning data. The main area 24 that sets up shows the monitoring early warning data of each region with the form of map, and is more convenient when letting the user observe, directly perceived.
As a specific embodiment of the improvement, a mode switching button 233 is disposed on the time axis 231, and the current mode type is also displayed on the mode switching button 233; each time the mode switching button 233 is pressed, it is sequentially switched cyclically or randomly in the order of the monitoring mode, the analog monitoring mode, the playback mode.
Through the technical scheme, the mode switching button 233 is arranged on the time axis 231, so that the convenience of the user in operation can be further improved, and the user does not need to specially find the time axis 231 switching button in the menu bar 21; the user can see the mode switching button 233 when observing the time axis 231, which is convenient for the user to find, and can directly see the change of the time axis 231 when switching the working mode of the time axis 231 through the mode switching button 233, and the user does not need to adjust the sight line to observe whether the change of the time axis 231 is successfully switched or not after clicking the time axis 231 switching button in the menu bar 21. In the system, the mode switching button 233 may be set to cycle and switch the monitoring mode, the analog monitoring mode, and the playback mode sequentially once every time the mode switching button is triggered, or may switch one of the three randomly, where the former facilitates the orderly switching of the user, and the latter is only an implementation mode that can be implemented and finally achieves the same effect.
As a specific embodiment of the improvement, the legend displayed in the prompt area 23 includes a current anoxic area, a forecast anoxic area, a monitoring point, and a marine function area; wherein the current anoxic zone and the forecast anoxic zone are displayed by adopting square labels with different colors to correspond to different anoxic degrees; the ocean functional area adopts square labels with different colors to correspond to different functional areas; the monitoring points are displayed corresponding to different sites through different graphic labels; wherein the square label of the current anoxic zone comprises a solid label body and a black solid line outer frame drawn at the edge of the solid label body; the square label of the forecast anoxic zone comprises a square dotted outline frame; the square tag of the marine functional area comprises a solid tag body; and displaying a corresponding legend of the monitoring and early warning data displayed in the main area 24.
According to the technical scheme, the set current anoxic zone corresponds to the color adopted by the forecast anoxic zone, when the main zone 24 displays the monitoring and early warning data in a map mode, the monitoring and early warning data corresponds to the current anoxic zone according to the degree of oxygen deficiency, a label with the color corresponding to the degree of oxygen deficiency is marked on the map, for example, a solid semitransparent image with the oxygen content of 0-2 mg/L corresponding to the color of the label with the oxygen content of 0-2 mg/L in the ocean in the current anoxic zone is marked in the area with the oxygen content of 0-2 mg/L; for example, the image is drawn by a frame in an area with the oxygen content lower than 2mg/L by using a dotted line corresponding to the color of the label with the oxygen content of 2mg/L in the forecast anoxic area; for example, the marine functional area marks the agriculture and fishery area and the marine protection area by colors except the practical colors of the labels of the current anoxic area, and marks different marine functional areas in the monitoring and early warning data, so that a user can directly observe the oxygen contents of the different functional areas conveniently; the monitoring points are marked by different shape patterns, for example, the patterns of the buoys for the buoy station correspond to each other, and the positions of the monitoring points are displayed by the patterns of the buoys in the monitoring and early warning data. The embodiment can enable the user to observe more intuitively, so that the user can analyze, monitor and early-warning data more conveniently and effectively.
As an improved specific embodiment, the menu bar 21 is provided with a legend edit button 27, and when the legend edit button 27 is pressed, the main area 24 displays a legend edit box 26 for the user to select the contents of the legend display.
Through the technical scheme, the user can modify the legend displayed in the prompt area 23 by interacting with the legend editing button 27, so that the convenience is brought to the user to adjust according to the requirement, the legend which the user needs to pay attention to can be displayed only, the interference of other legends is reduced, and the observation efficiency is improved.
As a specific embodiment of the improvement, the menu bar 21 further has an eagle eye button 3, when the eagle eye button 3 is pressed, the main area 24 appears in the eagle eye map window 4, the eagle eye map is displayed in the eagle eye map window 4, the eagle eye map window 4 further has a moving frame 5 therein, the moving frame 5 is provided for the user to move interactively, and when the moving frame 5 moves, the map displayed on the main interface moves along with the movement.
Through the technical scheme, the eagle eye map button 3 that sets up makes things convenient for user interaction, show the eagle eye map in the eagle eye map window 4 that appears, it is more convenient when can let the user look over to still have in the eagle eye map window 4 and remove the frame 5, the user can remove this removal frame 5, click modes such as dragging through the mouse, the region in removing the selection of frame 5 can show in main area 24, make things convenient for the user to directly adjust the map scope that main area 24 shows through observing the eagle eye map.
As a specific embodiment of improvement, when the moving frame 5 interacts with the user to change the size of the moving frame 5, the map of the main interface is enlarged or reduced.
Through the technical scheme, the user can control the mobile frame 5 to be enlarged or reduced through the rolling of the mouse wheel key, and simultaneously control the map displayed on the main interface to be enlarged or reduced, so that the user can conveniently observe more map ranges at the same time and view data in a larger area.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. An offshore hypoxia disaster warning demonstration system, comprising:
the detection terminal (11) is arranged in each sea area of the ocean to detect the oxygen content of the ocean and send the oxygen content data corresponding to the sea area;
the reporting terminal (12) is arranged in the center of the plurality of detection terminals (11), is connected with the plurality of detection terminals (11), receives the oxygen content data sent by the plurality of detection terminals (11), integrates the received plurality of oxygen content data into a data packet code, encrypts and sends the data packet code to the outside;
the aggregation server (13) is connected with the plurality of reporting terminals (12), receives the data packets after the coding and encryption, decrypts, unpacks and stores the data packets into the monitoring and early warning database;
the early warning terminal (14) is connected with the aggregation server (13) to acquire monitoring early warning data in the aggregation server (13) and call the monitoring early warning data;
early warning program (2) are provided with on early warning terminal (14), early warning program (2) and convergence server (13) communication, early warning program (2) include:
menu bar (21): displaying a system name and a function menu of main operation;
status column (22): displaying a system operation process prompt, a scale switch, a current proportion, longitude and latitude position coordinates and system time;
cue area (23): displaying a time axis (231), a legend;
main region (24): displaying the monitoring and early warning data of each area in a map mode;
a time axis (231) switching button is arranged in the menu bar (21); the time axis (231) mode switching key controls the time axis (231) to switch three working modes, including a monitoring mode, an analog monitoring mode and a playback mode;
in the monitoring mode, the monitoring and early warning data displayed in the main area (24) is updated every real thirty minutes, and the monitoring and early warning data is stored in the server;
in the simulation monitoring mode, the system simulates real data for thirty minutes every thirty seconds, and meanwhile, the system updates the monitoring and early warning data every thirty seconds;
in a playback mode, a user selects a target month and year, the system enters a playback state at the moment, scale marks are presented on the time axis (231), a play button (232) is presented on the time axis (231), and the system updates the real monitoring early warning data which is stored in the display server and passes through thirty minutes every five seconds after the play button (232) is pressed.
2. Offshore hypoxia disaster warning demonstration system according to claim 1, wherein a mode switch button (233) is provided on the time axis (231), the mode switch button (233) further displaying the current mode category; each time the mode switching button (233) is pressed, the mode is sequentially switched cyclically in the order of the monitoring mode, the analog monitoring mode, the playback mode, or randomly.
3. Offshore hypoxia disaster warning demonstration system according to claim 2, wherein the legends displayed by the cueing section (23) comprise current hypoxia section, forecast hypoxia section, monitoring points, functional marine section; wherein the current anoxic zone and the forecast anoxic zone are displayed by adopting square labels with different colors to correspond to different anoxic degrees; the ocean functional area adopts square labels with different colors to correspond to different functional areas; the monitoring points are displayed corresponding to different sites through different graphic labels; wherein the square label of the current anoxic zone comprises a solid label body and a black solid line outer frame drawn at the edge of the solid label body; the square label of the forecast anoxic zone comprises a square dotted outline frame; the square tag of the marine functional area comprises a solid tag body; and displaying a corresponding legend of the monitoring early warning data displayed in the main area (24).
4. Offshore hypoxia disaster warning demonstration system according to claim 3, wherein the menu bar (21) is provided with a legend edit button (27), and when the legend edit button (27) is pressed, the main area (24) displays a legend edit box (26) for a user to select the legend displayed content.
5. Offshore hypoxia disaster warning demonstration system according to claim 4, wherein the menu bar (21) further comprises an eagle eye button (3), when the eagle eye button (3) is pressed, a main area (24) presents an eagle eye map window (4), the eagle eye map window (4) displays the eagle eye, the eagle eye map window (4) further comprises a moving frame (5), the moving frame (5) can be moved interactively by the user, and when the moving frame (5) moves, the map displayed on the main interface moves along with the moving.
6. Offshore hypoxia disaster warning demonstration system according to claim 5, wherein the map of the main interface is zoomed in or out when the mobile frame (5) interacts with the user to change the size of the mobile frame (5).
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