CN216593798U - Sea ice surface temperature measuring device and measuring equipment - Google Patents
Sea ice surface temperature measuring device and measuring equipment Download PDFInfo
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- CN216593798U CN216593798U CN202122073151.8U CN202122073151U CN216593798U CN 216593798 U CN216593798 U CN 216593798U CN 202122073151 U CN202122073151 U CN 202122073151U CN 216593798 U CN216593798 U CN 216593798U
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Abstract
The utility model discloses a sea ice surface temperature measuring device and measuring equipment. Wherein the device includes: the device comprises a temperature measurement module, an image acquisition module and a data processing module; the temperature measuring module is used for measuring the surface temperature information of the sea ice; the image acquisition module is used for acquiring surface image information of sea ice in a field range; the field range of the image acquisition module covers the measurement range of the temperature measurement module; the data processing module is respectively connected with the temperature measuring module and the image acquisition module; and the data processing module is used for acquiring the surface characteristics of the sea ice according to the surface temperature information and the image information. The technical scheme provided by the utility model realizes accurate measurement of the specific area of the sea ice surface characteristic, and improves the measurement precision and the spatial resolution.
Description
Technical Field
The embodiment of the utility model relates to polar region and ocean monitoring technologies, in particular to a sea ice surface temperature measuring device and measuring equipment.
Background
In polar regions, sea ice isolates heat and water vapor exchange between the ocean and the atmosphere, radiation and energy balance on the surface of the ocean are changed, and the freezing and thawing process influences the formation of ocean temperature and salt circulation and has important influence on polar regions, even global weather and climate. As the most basic physical characteristic parameter of sea ice, the surface temperature of the sea ice can not only indicate the freezing and thawing of the surface of the sea ice, but also serve as an integrator of surface energy flux, and is a key variable of the climate in polar regions. To improve the estimation of heat budget in the polar region and improve the understanding of climate change, we need to make an accurate measurement of the surface temperature of sea ice in the polar region.
For many years, the collection of sea ice surface temperature data in polar regions has relied on ships, ice stations and buoys, and this type of observation is generally a contact measurement, with near-ice surface temperature being the most collected rather than actual sea ice surface temperature data. In some seasons, the difference between the near-ice surface temperature and the sea ice surface temperature can reach several K. And the difficulty of performing these observations is immeasurable due to the harsh environment of the polar region. The satellite remote sensing technology is used for detecting, the resolution ratio is usually low, the change of sea ice in small scale (sub-pixel scale) cannot be detected, in addition, the frequency and the precision of the satellite for detecting the sea ice surface temperature are limited due to the influence of cloud, the precision of a sea ice surface temperature product inverted by the satellite is up to 1K at present, the time resolution ratio is 1 day, the spatial resolution ratio is 1km, and the requirement of the refined observation of the sea ice at present cannot be met.
Disclosure of Invention
The utility model provides a sea ice surface temperature measuring device and measuring equipment, which realize accurate measurement of specific area of sea ice surface characteristics and improve measurement precision and spatial resolution
In a first aspect, an embodiment of the present invention provides a sea ice surface temperature measuring device, including: the device comprises a temperature measurement module, an image acquisition module and a data processing module.
The temperature measurement module is used for measuring the surface temperature information of the sea ice.
The image acquisition module is used for acquiring surface image information of sea ice in a field range. The field range of the image acquisition module covers the measurement range of the temperature measurement module.
The data processing module is respectively connected with the temperature measuring module and the image acquisition module. And the data processing module is used for acquiring the surface characteristics of the sea ice according to the surface temperature information and the image information.
Optionally, the data processing module includes an image processing unit, a temperature processing unit and a data processing unit.
The image processing unit is used for carrying out sea ice image feature recognition according to the surface image information and generating an image feature signal.
The temperature processing unit is used for carrying out sea ice temperature identification according to the surface temperature information and generating a temperature signal.
The data processing unit is respectively connected with the image processing unit and the temperature processing unit. The data processing unit is used for acquiring the surface characteristics of the sea ice according to the image characteristic signals and the temperature signals.
Optionally, the sea ice surface temperature measuring device further comprises a GPS module, and the GPS module is connected to the data processing module. The GPS module is used for recording the position information of the sea ice. The data processing module is further used for acquiring the current sea ice surface characteristics according to the sea ice surface characteristics and the sea ice position information.
Optionally, the sea ice surface temperature measuring device further comprises a data acquisition module, the data acquisition module is respectively connected with the temperature measurement module, the image acquisition module and the GPS module, and the data acquisition module is used for controlling sampling frequency to acquire data according to the motion state of the sea ice surface temperature measuring device. And the temperature measuring module and the image acquisition module are set to be in a synchronous working state according to the clock of the GPS module.
Optionally, the sea ice surface temperature measuring device further comprises a protective casing. The temperature measurement module and the image acquisition module are both arranged in the protective shell.
Optionally, the sea ice surface temperature measuring device further comprises a heating module, and the heating module is placed on the interlayer of the protective shell or the inner surface of the protective shell. The heating module is used for maintaining the working temperature of the sea ice surface temperature measuring device.
Optionally, the heating module comprises a heating resistance wire.
Optionally, the sea ice surface temperature measuring device further comprises an auxiliary bracket and an angle adjuster.
The auxiliary support is connected with the protective shell through the angle adjuster. The auxiliary support is used for prolonging the horizontal measurement distance between the temperature measurement module and the image acquisition module. The angle adjuster is used for rotationally adjusting the measurement angles of the temperature measurement module and the image acquisition module.
Optionally, the temperature measurement module includes an infrared temperature measurement sensor.
In a second aspect, embodiments of the present invention provide a measurement apparatus, including a sea ice surface temperature measurement device according to any of the embodiments of the present invention.
According to the technical scheme provided by the embodiment of the utility model, the surface temperature information of the sea ice is measured through the temperature measuring module. The image acquisition module acquires surface image information of sea ice in a field range. The acquisition range of the image is set to be a range capable of completely covering temperature measurement, so that the temperature information is ensured to be completely represented in the image acquisition range, the temperature noise acquired outside the image acquisition area is reduced, and the measurement accuracy of the sea ice surface characteristics is further improved. By controlling the field of view of the image acquisition and the range of the temperature acquisition, accurate measurement in a small area can be achieved, thereby improving the resolution of the measurement space.
Drawings
Fig. 1 is a schematic structural diagram of a sea ice surface temperature measuring device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The development of the satellite remote sensing technology realizes non-contact large-area detection of the sea ice surface temperature, but the resolution of satellite remote sensing data is usually low, the small-scale change of the sea ice cannot be detected, in addition, the influence of cloud is caused, the frequency and the precision of the satellite for detecting the sea ice surface temperature are limited, the precision of a sea ice surface temperature product inverted by a current satellite is up to 1K, the time resolution is 1 day, the space resolution is 1km, and the requirement of fine observation of the sea ice at present cannot be met. In recent years, with the 'amplification effect' of global warming in polar regions, various physical characteristics of sea ice, including surface temperature, present obvious spatial non-uniformity, and particularly in summer, the surface characteristics of the sea ice tend to be more and more diversified, the variation of the surface temperature of the sea ice increases in a short period of time, but the constant temperature state of the surface of the sea ice makes the spatial characteristics with small resolution difficult to distinguish.
In view of this, the embodiment of the present invention provides a sea ice surface temperature measuring device, which has a higher spatial resolution to realize the measurement of the sea ice surface characteristics. Fig. 1 is a schematic structural diagram of a sea ice surface temperature measuring device according to an embodiment of the present invention, and referring to fig. 1, the device includes: a temperature measurement module 120, an image acquisition module 130 and a data processing module 110.
The temperature measurement module 120 is used for measuring the surface temperature information of the sea ice.
The image acquisition module 130 is used for acquiring surface image information of sea ice within a field of view. Wherein, the field range of the image acquisition module 130 covers the measurement range of the thermometry module 120.
The data processing module 110 is respectively connected with the temperature measuring module 120 and the image acquisition module 130. The data processing module 110 is used for acquiring the surface characteristics of the sea ice according to the surface temperature information and the image information.
Specifically, the thermometry module 120 may collect sea ice surface temperature information using non-contact temperature detection, such as non-contact temperature detection by thermal radiation. The image acquisition module 130 may employ a camera, such as a high-resolution CCD camera, and acquires ice surface image information through the image acquisition module 130, and the acquisition range of the image may completely cover the temperature measurement range, so as to ensure that the temperature information is completely represented in the image acquisition range, and reduce the influence of temperature information or temperature noise outside the image acquisition region on the detection region, and the data processing module 110 performs image identification according to the image information to obtain sea ice characteristics, and calculates sea ice surface temperature according to the temperature information, and then combines the sea ice surface temperature and the sea ice characteristics to obtain sea ice surface characteristics, wherein the sea ice surface characteristics include surface temperature characteristic information and morphological characteristic information such as sea ice surface water channel, melting pool, ice ridge, and snow on ice.
Since the contact near-ice surface temperature generally differs from the sea ice surface temperature, the temperature measurement module 120 can reduce the sea ice surface temperature data detection difference by using non-contact temperature detection rather than contact measurement of the near-ice surface temperature. The acquisition range of the image completely covers the temperature measurement range, so that the influence of temperature information or temperature noise outside the image acquisition area on the detection area can be reduced, and the measurement accuracy of the sea ice surface characteristics is further improved. The specific area is adjusted through the temperature measurement module 120 and the image acquisition module 130, so that the small-area measurement is more precise in resolution compared with satellite remote sensing, and the spatial resolution of the measurement is further improved.
According to the technical scheme provided by the embodiment of the utility model, the surface temperature information of the sea ice is measured through the temperature measuring module. The image acquisition module acquires surface image information of sea ice in a field range. The acquisition range of the image is set to be a range capable of completely covering temperature measurement, so that the temperature information is ensured to be completely represented in the image acquisition range, the temperature noise acquired outside the image acquisition area is reduced, and the measurement accuracy of the sea ice surface characteristics is further improved. By controlling the field of view of the image acquisition and the range of the temperature acquisition, accurate measurement in a small area can be realized, thereby improving the measurement spatial resolution.
Fig. 2 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention, and referring to fig. 2, the data processing module 110 includes an image processing unit 111, a temperature processing unit 112, and a data processing unit 113.
The image processing unit 111 is configured to perform sea ice image feature recognition based on the surface image information, and generate an image feature signal.
The temperature processing unit 112 is used for performing sea ice temperature identification according to the surface temperature information and generating a temperature signal.
The data processing unit 113 is connected to the image processing unit 111 and the temperature processing unit 112, respectively. The data processing unit 113 is used for acquiring the surface characteristics of the sea ice according to the image characteristic signal and the temperature signal.
Specifically, the image processing unit 111 performs recognition of the sea ice surface features using the MINERROR algorithm based on the surface image information. Based on the assumption that a gray level histogram of a target image obeys bimodal Gaussian distribution, a criterion function J (T) is given according to the idea of minimum classification errors, when J (T) is minimum, an optimal threshold value tau is obtained, target features which pass through the optimal threshold value tau are marked as sea ice features, and image feature signals are generated.
The sea ice surface temperature collected by the temperature measurement module 120 is a bright temperature, and the temperature processing unit 112 is required to correct and convert the sea ice surface temperature into the actual thermodynamic temperature of the sea ice surface according to the surface temperature information emissivity. Wherein, the conversion formula is:
wherein T isATIs the actual thermodynamic temperature, T, of the sea ice surfaceTInfrared brightness temperature, T, collected by the collection moduleBIs the background temperature. Since the polar ice and snow surface has a high emissivity, the background radiation is only a very small fraction of the measured radiation and thus the error is negligible. The emissivity of the ice and snow surface in the polar region is mainly influenced by the observation visual angle, and the bright temperature measured by the acquisition module at a specific angle can be converted into the sea ice surface temperature by rational Chebyshev approximation:
wherein muvTo observe the inverse cosine value of the viewing angle, C0，C1And D1Are coefficients.
The data processing unit 113 generates sea ice surface characteristics including surface temperature characteristic information and morphological characteristic information of sea ice surface water channels, melting pools, ice ridges, snow on ice and the like according to the image characteristic signals and the sea ice surface temperature. The sea ice surface temperature measuring device is simple in structure and easy to operate, accurate measurement in a small area is achieved, and spatial resolution of sea ice surface temperature measurement in an polar region is improved.
Fig. 3 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention, and referring to fig. 3, the sea ice surface temperature measuring device further includes a GPS module 310, and the GPS module 310 is connected to the data processing module 110. The GPS module 310 is used to record the location information of the sea ice. The data processing module 110 is further configured to obtain the current sea ice surface characteristics according to the sea ice surface characteristics and the sea ice position information.
Specifically, the GPS module 310 may record the position information of the target synchronously, and may synchronize the observation of different elements according to different position information. For example, based on the positioning information, the image acquisition module 130 is used to record the sea ice form change around the measurement route. Or according to the positioning information, the data processing module 110 may obtain the surface characteristics of the whole sea ice in the measurement sea area by combining and splicing the surface characteristics of the sea ice in each positioning area.
Based on the above embodiment, with continued reference to fig. 3, the sea ice surface temperature measuring device further includes a data acquisition module 320, the data acquisition module 320 is respectively connected to the temperature measurement module 120, the image acquisition module 130 and the GPS module 310, and the data acquisition module 320 is configured to control a sampling frequency to perform data acquisition according to a motion state of the sea ice surface temperature measuring device. And is also used for setting the thermometric module 120 and the image acquisition module 130 to be in a synchronous working state according to the clock of the GPS module 310.
Specifically, before the measuring apparatus starts to work, the data acquisition module 320 may set parameter information such as sampling frequency, data storage format, and data storage file size of the temperature measurement module 120, the image acquisition module 130, and the GPS module 310, respectively. The data acquisition module 320 may further use the clock of the GPS module 310, and set the temperature measurement module 120, the image acquisition module 130 and the GPS module 310 to be in a synchronous working state by using the clock of the GPS module 310 as a clock reference, so that the data acquisition processes of the temperature measurement module 120, the image acquisition module 130 and the GPS module 310 may be in the same time, thereby ensuring the consistency of the detection elements of the data in the same area at the same time. The data acquisition module 320 may be connected to the data processing module 110 at any time, so as to dynamically monitor the measurement process, and modify the measurement parameters and data files. The data acquisition module 320 sets the sampling frequency of the temperature measurement module 120, the image acquisition module 130 and the GPS module 310 to be a fixed sampling frequency, so as to meet the automatic observation of the sea ice surface characteristics of the detection route, and also adjust the sampling frequency according to different observation requirements. For example, when the detection device is stationary, a sampling frequency that meets the requirements at that time needs to be set. The specific area and frequency are adjusted through the temperature measurement module and the image acquisition module, and the high-frequency measurement of a small area can be realized. Compared with satellite remote sensing, the space-time resolution is finer, so that high-frequency measurement is realized, and the measurement time resolution is improved.
With continued reference to FIG. 3, the sea ice surface temperature measuring device further includes a protective housing 330. The temperature measurement module 120 and the image acquisition module 130 are both disposed inside the protective housing 330.
In particular, the protective housing 330 may be a metal housing, and is illustratively made of aluminum. The protective case 330 may have a rectangular parallelepiped box shape. The electronic devices may be integrally placed within the protective enclosure 330 to protect the electronic devices from external forces. The electronic device comprises a temperature measuring module 120, an image acquisition module 130, a GPS module 310, a data acquisition module 320 and the like. The protection housing 330 is further provided with corresponding hole sites, so that the temperature measurement module 120 and the image acquisition module 130 can be placed and fixed at the corresponding hole sites, and the measurement positions of the temperature measurement module 120 and the image acquisition module 130 can be ensured to be fixed.
With continued reference to fig. 3, the sea ice surface temperature measuring apparatus further includes a heating module 340, the heating module 340 being disposed on the interlayer of the protective outer shell 330 or the inner surface of the protective outer shell 330. The heating module 340 is used to maintain the operating temperature of the sea ice surface temperature measuring device.
Specifically, protective housing 330 intermediate layer or protective housing 330 internal surface can set up heating module 340, utilizes heating module 340 to maintain equipment operating temperature, and when the temperature was less than preset temperature, heating module 340 began work and heats, maintains the normal operating temperature of equipment to can avoid extremely microthermal environmental condition to arouse the camera lens of collection module to freeze the frosting scheduling problem, thereby avoid influencing the data precision and the degree of accuracy of collection.
Optionally, the heating module 340 includes a heating resistance wire. Specifically, if the protective casing 330 is made of aluminum, resistance wires can be arranged around the protective casing to heat the protective casing in consideration of good thermal conductivity, so that damage to the measuring device caused by icing and the like due to polar climate conditions can be effectively avoided, and the protective casing is suitable for a polar low-temperature working environment. In addition, the resistance wire is low in cost and simple in structure, and can be laid according to the actual heating requirement, so that uniform heating or local heating is guaranteed.
Based on the above embodiment, fig. 4 is a schematic structural diagram of another sea ice surface temperature measuring device according to an embodiment of the present invention, and referring to fig. 4, the sea ice surface temperature measuring device further includes an auxiliary bracket 410 and an angle adjuster 420.
The auxiliary bracket 410 is connected with the protective housing 330 through an angle adjuster. The auxiliary support 410 is used to extend the horizontal measurement distance of the thermometry module 120 and the image acquisition module 130. The angle adjuster 420 is used for rotatably adjusting the measurement angles of the thermometry module 120 and the image acquisition module 130.
Specifically, the auxiliary support 410 is placed on the testing equipment, the auxiliary support 410 supports the collecting lenses of the temperature measuring module 120 and the image collecting module 130 for extending a certain distance, one end of the auxiliary support 410 is connected with the angle adjuster 420, the auxiliary support is made of a material which is not easy to deform, the collecting lenses of the temperature measuring module 120 and the image collecting module 130 can be horizontally placed by the aid of the auxiliary support, and accordingly the measuring angle and the measuring distance can be guaranteed. Angle adjuster 420 is connected with protecting sheathing 330, can adjust protecting sheathing 330's position through angle adjuster 420 and adjust the camera lens collection position promptly, when carrying out sea ice surface temperature measurement, stretches out auxiliary stand 410 one section distance of measuring equipment, utilizes angle adjuster 420 to adjust camera lens collection position, changes through angle adjustment and measures the visual angle to guarantee that the measurement visual field is not influenced by measuring equipment.
In the field observation in polar regions, the auxiliary stand 410 may further include a horizontal stand 411, and the horizontal stand 411 may be an extension rod of the auxiliary stand 410 to increase the projecting distance so that the measurement work is carried out in an exemplary shipboard manner and can be fixed to the outboard side of the ship. An angle adjuster 420 is connected to the end of the horizontal bracket 411 remote from the hull. Usually, one end of the auxiliary support 410 is fixed at a proper position of a ship board, the other end of the auxiliary support extends out of the ship board by a length of more than 0.5m, an included angle theta between the position of the lens and the support is an observation visual angle, and the included angle theta can be adjusted through the angle adjuster 420, so that the influence of the ship body on a visual field is minimized on the premise of ensuring the detection range and capability of the measuring device. In this embodiment, the distance between the lens of the temperature measurement module 120 and the ice surface is 10m, the axis of the lens is 0.5m away from the outermost edge of the ship body, when the included angle θ between the measurement device and the horizontal bracket is 45 degrees, the central point of the measurement range of the temperature measurement module 120 is 10.5m away from the outer side of the ship, and the radius of the observation field r is about 5.2 m. The acquisition position of the lens is arranged above sea ice, the temperature measurement module 120 is used for receiving the target radiation temperature in the measurement range, the image acquisition module 130 acquires sea ice images in the field of view, the surface temperature of the sea ice is obtained according to the heat radiation balance between the temperature measurement module 120 and the sea ice, and then the emissivity correction is used for combining the sea ice features identified from the sea ice images of the image acquisition module 130, so that the sea ice surface features including the sea ice surface temperature are obtained.
Optionally, the temperature measurement module 120 includes an infrared temperature measurement sensor. Specifically, the infrared temperature measurement sensor is a device for measuring temperature by using an infrared means, obtains the infrared temperature of a target by using infrared radiation balance between the infrared temperature measurement sensor and the target, realizes non-contact temperature measurement, and avoids measurement errors caused by contact measurement of the near-ice surface air temperature and the sea ice surface temperature.
The embodiment of the utility model provides a measuring device which comprises any sea ice surface temperature measuring device in the embodiment of the utility model.
Specifically, measuring equipment includes removal instrument that boats and ships, unmanned aerial vehicle and helicopter etc. can be used to scientific measurement, can enlarge measuring distance and measure the visual field through carrying on different removal instruments. The sea ice surface temperature measuring device provided by any embodiment of the utility model has the same beneficial effects, and the description is omitted here.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A sea ice surface temperature measuring device, comprising: the device comprises a temperature measurement module, an image acquisition module and a data processing module;
the temperature measurement module is used for measuring the surface temperature information of the sea ice;
the image acquisition module is used for acquiring surface image information of sea ice in a field range; the field range of the image acquisition module covers the measurement range of the temperature measurement module;
the data processing module is respectively connected with the temperature measuring module and the image acquisition module; and the data processing module is used for acquiring the surface characteristics of the sea ice according to the surface temperature information and the image information.
2. The sea ice surface temperature measuring device of claim 1, wherein the data processing module comprises an image processing unit, a temperature processing unit and a data processing unit;
the image processing unit is used for performing sea ice image feature recognition according to the surface image information and generating an image feature signal;
the temperature processing unit is used for identifying the sea ice temperature according to the surface temperature information and generating a temperature signal;
the data processing unit is respectively connected with the image processing unit and the temperature processing unit; the data processing unit is used for acquiring the surface characteristics of the sea ice according to the image characteristic signals and the temperature signals.
3. The sea ice surface temperature measuring device of claim 1, further comprising a GPS module, said GPS module being connected to said data processing module; the GPS module is used for recording the position information of the sea ice; the data processing module is further used for acquiring the current sea ice surface characteristics according to the sea ice surface characteristics and the sea ice position information.
4. The sea ice surface temperature measuring device of claim 3, further comprising a data acquisition module, wherein the data acquisition module is respectively connected with the temperature measuring module, the image acquisition module and the GPS module, and is used for controlling sampling frequency to acquire data according to the motion state of the sea ice surface temperature measuring device; and the temperature measuring module and the image acquisition module are set to be in a synchronous working state according to the clock of the GPS module.
5. The sea ice surface temperature measurement device of claim 1, further comprising a protective housing; the temperature measurement module and the image acquisition module are both arranged in the protective shell.
6. The sea ice surface temperature measuring device of claim 5, further comprising a heating module disposed in the interlayer of the protective housing or the inner surface of the protective housing; the heating module is used for maintaining the working temperature of the sea ice surface temperature measuring device.
7. Sea ice surface temperature measuring device according to claim 6, wherein said heating module comprises a heating resistance wire.
8. The sea ice surface temperature measuring device of claim 1, further comprising an auxiliary bracket and an angle adjuster;
the auxiliary bracket is connected with the protective shell through the angle adjuster; the auxiliary support is used for prolonging the horizontal measurement distance between the temperature measurement module and the image acquisition module; the angle adjuster is used for rotationally adjusting the measurement angles of the temperature measurement module and the image acquisition module.
9. The sea ice surface temperature measuring device of claim 1, wherein the thermometry module comprises an infrared thermometry sensor.
10. A measuring device comprising the sea ice surface temperature measuring apparatus according to any one of claims 1 to 9.
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| CN116597319A (en) * | 2023-04-19 | 2023-08-15 | 北京师范大学 | Sea ice daily data comprehensive processing method and device and computing equipment |
| CN116597319B (en) * | 2023-04-19 | 2024-02-02 | 北京师范大学 | Sea ice daily data comprehensive processing method and device and computing equipment |
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