CN111735437A - Submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data - Google Patents
Submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data Download PDFInfo
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- CN111735437A CN111735437A CN201910971554.9A CN201910971554A CN111735437A CN 111735437 A CN111735437 A CN 111735437A CN 201910971554 A CN201910971554 A CN 201910971554A CN 111735437 A CN111735437 A CN 111735437A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
Abstract
The invention discloses a submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data, the echo-based depth finder measures the large-scale unevenness of the sea level, draws the submarine topography of the large-scale unevenness of the sea level, measures the height of the large-scale unevenness of the sea level based on a height measurement satellite, calculates the height difference of the large-scale unevenness of the sea level, and based on the existing topographic data, the height difference between the submarine landform and the sea level is subjected to linear analysis based on environmental factors such as flood tide, tide fall, storm and pressure, comprehensively considers the height difference generated by the sea level, demonstrates the linear relation between the large-scale unevenness of the sea level and the submarine landform through the data of the satellite based on the plate motion, according to the relation and the law, all the seabed conditions can be conveniently deduced, so that a complete seabed topographic map is obtained.
Description
Technical Field
The invention belongs to the relevant technical field of submarine surveying and mapping, and particularly relates to a submarine geomorphology interpretation method based on Jason-1 and Cryosat-2 satellite data.
Background
One of the types of ocean mapping is mapping work mainly for measuring the fluctuation of the sea bottom, the sea bottom topography measurement usually uses an echo depth finder and a side scan sonar which are installed on a ship to simultaneously measure the water depth and the size and the position of an underwater ground object, and can also use methods such as a multi-beam echo depth measurement system, a sea bottom photogrammetry, an airborne laser depth measurement and an ocean remote sensing depth measurement, and the like, and according to the distance from the coast, the positioning of each measuring point can use methods such as optical positioning, radio positioning, underwater acoustic positioning, satellite positioning, combined positioning and the like, when the submarine topography measurement is carried out by using a submarine, inertial positioning or positioning by using a submarine control point can be adopted, wherein the multi-beam echo depth measurement system is matched with the combined satellite positioning system, the method for processing and drawing a sea bottom three-dimensional graph in real time by a computer is developed fastest, and the sea bottom topography graph is required to be uniformly specified in, and is consistent with land topographic maps in the same region, so as to be beneficial to the connection and use of sea and land maps.
The existing submarine surveying and mapping technology has the following problems: with the development of artificial satellite measurement technology, people find that calm sea surfaces are actually hollow, some areas are convex, some areas are concave, the maximum difference between the two can reach more than 100 meters, the difference of submarine topography also determines the unevenness of the sea surfaces, the height of the sea surfaces is related to the accumulation of substances formed by huge mountains or ditches nearby, and the accumulation of the substances can make the surface gravitation bend, thereby forming a power to drive water to leave one area and flow to another area, causing the phenomenon of uneven sea surface, the relation and the rule are found by comparing the large-scale concave-convex change of the sea water with the known actually-measured submarine topography, so that all submarine conditions are presumed, and then a complete submarine topography mode is obtained to replace the expenditure of manpower and material resources consumed by a large amount of underwater measurement and detection at present.
Disclosure of Invention
The invention aims to provide a submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data, which aims to solve the problems that along with the development of artificial satellite measurement technology, people find that calm sea surfaces are actually hollow, sea surfaces in some areas are convex, sea surfaces in some areas are concave, the maximum difference between the sea surfaces can reach more than 100 meters, the difference of submarine landforms also determines the unevenness of the sea surfaces, the height of the sea surfaces is related to the accumulation of substances consisting of huge mountains or ditches nearby, the accumulation of the substances can bend the surface gravitation, so that a power is formed, water is driven to leave one area and flow to another area, the phenomenon of the height of the sea surfaces is caused, and the large-scale concave-convex change of the sea surfaces is compared with the known actually measured submarine landforms by researching the large-scale concave-convex change of the sea surfaces, the relation and the law are found, so that all the seabed conditions are conjectured, and a complete seabed topographic map mode is obtained to replace the problem of manpower and material resource expenditure consumed by a large amount of underwater measurement and detection at present.
In order to achieve the purpose, the invention provides the following technical scheme:
a submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprising the following steps: the method comprises the steps of measuring large-scale unevenness of a sea level based on an echo depth sounder, drawing a submarine topography of the large-scale unevenness of the sea level, measuring the height of the large-scale unevenness of the sea level based on a height measurement satellite, calculating the height difference of the large-scale unevenness of the sea level, carrying out linear analysis on the height difference of the submarine topography and the sea level based on existing topography data, comprehensively considering the height difference generated by the sea level based on environmental factors such as flood tide, storm and pressure, and deducing the change of the submarine topography for a long time based on plate motion.
Preferably, the distance between the obstacle and the transducer is obtained according to the round-trip time of the sound wave and the propagation speed of the sound wave in the measured water area, so as to measure the landform at the sea bottom mountain range, the sea bottom ditch and the sea bottom level, and the topography of the measured sea bottom is drawn according to the measured data.
Preferably, the radar for measuring the distance between the satellite and the sea surface and a tracking system for determining the height of the satellite in the geocentric coordinate system are used for measuring the height difference existing when the sea level is uneven, and the position of the sea level height difference is compared with the data measured by the echo depth sounder.
Preferably, the comparison between the measured data and the sea level unevenness of the existing submarine landforms in other areas is performed, and the vertical height difference between the existing sea ditches, the submarine mountains and the submarine plain is recorded.
Preferably, the sea surface elevation recorded by the coastal tide station or the estuary water level station is generally changed by astronomical tide, storm tide, tsunami and other long-wave vibration, and the sea surface elevation and the measured data of the height measurement satellite are comprehensively analyzed
Preferably, when the expansion speed of the seabed plate is increased, the volume of the middle sea ridge is increased, and as a result, the sea water overflows a normal coastline and invades the continental part to cause the sea level to rise, whereas when the expansion speed of the seabed plate is decreased, the middle sea ridge is cooled and contracted, the seabed sinks, and the sea level descends, so as to be analyzed with the measured data.
Compared with the prior art, the invention provides a submarine geomorphology interpretation method based on Jason-1 and CryoSat-2 satellite data, which has the following beneficial effects:
the submarine landform interpretation method by using Jason-1 and CryoSat-2 satellite data can deduce the submarine landform presented by unmeasured seabed through the relation between the submarine landform and the large-scale rugged sea surface, and the linear relation between the large-scale rugged sea surface and the submarine landform (the gravity at the mountains is large, and the sea water is higher than the horizontal plane at the sea ditches) is demonstrated through the satellite data, so that all submarine conditions can be conveniently deduced according to the relation and the law, and a complete submarine topography is obtained.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
The invention provides a submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data, which comprises the following steps:
a submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprising the steps of measuring large-scale unevenness on the sea level based on an echo sounder, drawing submarine landforms on the unevenness on the sea level, obtaining the distance between an obstacle and a transducer according to the round-trip time of sound waves and the sound wave propagation speed in a measured water area, measuring landforms at a submarine mountain range, a submarine ditch and a submarine level, and drawing the landforms of the measured seabed according to measured data.
A submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprising the steps of measuring the height of a large-scale rugged part of a sea level based on a height measurement satellite, calculating the height difference of the large-scale rugged part of the sea level, measuring the height difference existing when the sea level is rugged based on a radar for measuring the distance between the satellite and the sea level and a tracking system for determining the height of the satellite in a geocentric coordinate system, and comparing the position of the height difference of the sea level with data measured by an echo depth sounder.
A submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprising the steps of carrying out linear analysis on the height difference between a submarine landform and a sea level based on existing terrain data, comparing whether the existing submarine landform in other areas has the sea level unevenness phenomenon with measurement data, and recording the vertical height difference between an existing sea ditch, a submarine mountain range and a submarine plain.
A submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprehensively considering the height difference generated by the sea level based on environmental factors such as flood tide, tide fall, storm and pressure, comprehensively analyzing the sea level change caused by the sea level elevation recorded by a coastal tide station or a estuary water level station, usually astronomical tide, storm tide, tsunami and other long-wave vibration, and comprehensively analyzing the data measured by a height measurement satellite.
A submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized in that the method comprises the steps of comprehensively analyzing the height difference between a submarine landform and a sea level, analyzing the integral landform of the submarine landform when the sea level is level, analyzing the submarine landform corresponding to a higher part of a sea surface when the sea level has the height difference, analyzing the submarine landform corresponding to a lower part of a sponge when the sea level has the height difference, increasing the size of a ridge in the ocean based on the increase of the expansion speed of a submarine plate, and enabling seawater to overflow a normal coastline to invade the interior of the continental land to cause the rise of the sea level.
The working principle and the using process of the invention are as follows: after the device is installed, the distance between a barrier and a transducer is obtained according to the round-trip time of sound waves and the propagation speed of the sound waves in a measured water area, the landforms at a sea bottom mountain range, a sea bottom ditch and a sea bottom plain position are measured, the measured data are drawn according to the measured sea bottom landform, the height difference existing when the sea level is uneven is measured according to a radar for measuring the distance between a satellite and the sea surface and a tracking system for determining the height of the satellite in a geocentric coordinate system, the position of the sea level height difference is compared with the data measured by an echo depth finder, the height difference between the sea level landform and the sea level is subjected to linear analysis based on the existing topographic data after comparison, the environmental factors such as flood tide, storm, air pressure and the like are comprehensively compared with the measured data, meanwhile, a plurality of groups of measurements are carried out in the process of comprehensive comparison, so that the unevenness of the sea level caused by environmental factors is distinguished from the unevenness of the sea level caused by the actual gravitation, and the data relation that if the sea bottom has huge mountains, the sea bottom has larger gravitation and gathers more seawater on the sea surface, and if the sea bottom is a huge sea ditch or gap, the sea bottom has relatively smaller gravitation and leads to the inclination and the unevenness of the sea surface is obtained after the distinguishing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A submarine landform interpretation method based on Jason-1 and CryoSat-2 satellite data is characterized by comprising the following steps:
step 1: measuring large-scale unevenness of the sea level based on an echo depth finder, and drawing a submarine topography of the large-scale unevenness of the sea level;
step 2: height measurement is carried out on the large-scale rugged part of the sea level based on a height measurement satellite, and the height difference of the large-scale rugged part of the sea level is calculated;
and step 3: based on existing topographic data, carrying out linear analysis on the height difference between the submarine landform and the sea level;
and 4, step 4: comprehensively considering the height difference generated by the sea level based on environmental factors such as flood tide, tide fall, storm and air pressure;
and 5: deducing the change of the submarine landform for a long time based on the plate motion;
step 6: and comprehensively analyzing the height difference between the submarine landform and the sea level by 3-5, analyzing the integral landform of the submarine landform when the sea level is kept level, analyzing the submarine landform corresponding to the higher part of the sea level when the height difference exists in the sea level, and analyzing the submarine landform corresponding to the lower part of the sponge when the height difference exists in the sea level.
2. The method for undersea geomorphology interpretation based on Jason-1 and CryoSat-2 satellite data of claim 1, wherein the step of measuring the sea level large scale unevenness based on echosounder comprises the following steps:
step 11: according to the round-trip time of the sound wave and the propagation speed of the sound wave in the measured water area, the distance between the barrier and the transducer is obtained, and the landform at the sea bottom mountain range, the sea bottom sea ditch and the sea bottom plain is measured;
step 12: and drawing the topography of the measured seabed according to the measured data.
3. The method for interpreting the submarine geomorphology according to claim 1, based on the data of Jason-1 and CryoSat-2 satellites, wherein the height measurement of the sea level on the large scale unevenness based on the altimetry satellite comprises the following steps:
step 21: measuring the height difference existing when the sea level is uneven based on a radar for measuring the distance between the satellite and the sea surface and a tracking system for determining the height of the satellite in the geocentric coordinate system;
and step 22, comparing the position of the sea level height difference with data measured by the echo depth sounder.
4. The method for interpreting the submarine geomorphology according to claim 1 based on the data of Jason-1 and CryoSat-2 satellites, wherein the linear analysis of the height difference between the submarine geomorphology and the sea level based on the existing topographic data comprises the following steps:
step 31: comparing whether the existing submarine landforms in other areas have the sea level unevenness phenomenon with the measured data;
step 32: and recording the vertical height difference between the existing sea ditches, the sea bottom mountains and the sea bottom plain.
5. The method for interpreting the submarine geomorphology based on the data of Jason-1 and CryoSat-2 satellites as claimed in claim 1, wherein the sea surface elevation recorded by the coastal tide station or estuary water level station, which is usually caused by astronomical tide, storm tide, tsunami and other long wave vibration, is comprehensively analyzed with the data measured by the altimetry satellites.
6. The method for interpreting the submarine geomorphology according to claim 1, wherein said method for interpreting the submarine geomorphology based on the data from Jason-1 and CryoSat-2 satellites is characterized in that the volume of the mid-ocean ridge is increased when the expansion rate of the submarine slab is increased, so that the seawater overflows the normal coastline and invades the interior of the continental land, which causes the sea level to rise, whereas when the expansion rate of the submarine slab is decreased, the mid-ocean ridge is cooled and contracted, the sea bottom sinks, and the sea level falls, which are analyzed with the measured data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022188338A1 (en) * | 2021-03-09 | 2022-09-15 | 长江水利委员会水文局 | High-precision water channel reconstruction method based on multi-satellite-source information coupling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050080562A1 (en) * | 2003-08-18 | 2005-04-14 | Saab Ab | Passive terrain navigation |
| CN102169178A (en) * | 2010-12-21 | 2011-08-31 | 中国测绘科学研究院 | Method for determining sea surface topographic structure based on barodynamics |
| CN103344954A (en) * | 2013-07-08 | 2013-10-09 | 国家海洋局第二海洋研究所 | Submarine topography construction method based on multi-source water depth data fusion |
| CN104197902A (en) * | 2014-09-12 | 2014-12-10 | 国家海洋局第二海洋研究所 | Method for extracting shallow sea terrain by single-shot high-resolution optical remote sensing image |
| CN106199562A (en) * | 2016-07-06 | 2016-12-07 | 山东省科学院海洋仪器仪表研究所 | The sea error calibration method of sea-floor relief is measured based on airborne laser radar |
-
2019
- 2019-10-14 CN CN201910971554.9A patent/CN111735437A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050080562A1 (en) * | 2003-08-18 | 2005-04-14 | Saab Ab | Passive terrain navigation |
| CN102169178A (en) * | 2010-12-21 | 2011-08-31 | 中国测绘科学研究院 | Method for determining sea surface topographic structure based on barodynamics |
| CN103344954A (en) * | 2013-07-08 | 2013-10-09 | 国家海洋局第二海洋研究所 | Submarine topography construction method based on multi-source water depth data fusion |
| CN104197902A (en) * | 2014-09-12 | 2014-12-10 | 国家海洋局第二海洋研究所 | Method for extracting shallow sea terrain by single-shot high-resolution optical remote sensing image |
| CN106199562A (en) * | 2016-07-06 | 2016-12-07 | 山东省科学院海洋仪器仪表研究所 | The sea error calibration method of sea-floor relief is measured based on airborne laser radar |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022188338A1 (en) * | 2021-03-09 | 2022-09-15 | 长江水利委员会水文局 | High-precision water channel reconstruction method based on multi-satellite-source information coupling |
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