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32 results about "Climate pattern" patented technology

A climate pattern is any recurring characteristic of the climate. Climate patterns can last tens of thousands of years, like the glacial and interglacial periods within ice ages, or repeat each year, like monsoons.

Cloud condensation nucleus number concentration vertical profile inversion method based on multi-wavelength laser radar

The invention discloses a cloud condensation nucleus number concentration vertical profile inversion method based on a multi-wavelength laser radar. The method comprises the steps: adopting the multi-wavelength laser radar to detect aerosol optical parameters; correcting the influence of the relative humidity on aerosol optical parameters by utilizing sounding; selecting an aerosol model with bimodal logarithmic normal distribution, and establishing a T-matrix scattering model considering the shape of aerosol particles; establishing a lookup table associated between aerosol optical parametersand spectral distribution parameters of different types of aerosols; based on aerosol optical parameters detected by a laser radar, obtaining corresponding spectral distribution parameter values through a lookup table, and obtaining the result of the cloud condensation tuberculosis number concentration vertical profile through critical activation radius calculation. The method has the advantages that the inversion accuracy of the cloud condensation tuberculosis number concentration vertical profile under different types of aerosols and different relative humidity conditions is improved, the automatic inversion of the cloud condensation tuberculosis number concentration vertical profile is realized, and more accurate observation data is provided for improving a parameterization scheme of the cloud condensation tuberculosis number concentration in a climate mode.
Owner:NANTONG UNIVERSITY

Planetary scale assimilation and machine learning external forcing based climate mode prediction method

The invention relates to a planetary scale assimilation and machine learning external forcing based climate mode prediction method. The mode comprises the following steps: (1) separating 1-3 wave information in a background field; (2) forming initial conditions of a mode by using a flow-dependent assimilation technology; (3) forming a sea temperature external forced field of a climate mode by adopting a machine learning method; (4) performing modeling by adopting a machine learning method to form a land external forced field of a climate mode; (5) carrying out modeling on the frozen circle slow change signal through machine learning by means of observation and reanalysis data, obtaining a cross-seasonal extrapolation prediction value of the frozen circle signal, wherein the prediction value serves as a mode exogenous forcing item; (6) forming an atmospheric boundary field; (7) performing seasonal climate prediction; (8) checking and correcting to obtain a revised value; (9) superposing the nonlinear information and the linear change information as a predicted value; and (10) gathering the revised value and the predicted value according to a historical fitting rate to obtain a final prediction result. The climate prediction result can be effectively improved.
Owner:LANZHOU UNIVERSITY

Dimension reduction and correction model based on spacial multi-correlation solution set algorithm

The invention discloses a dimension reduction and correction model based on a spacial multi-correlation solution set algorithm. The processing method of the model comprises the steps of (1) obtainingdata, wherein the data includes a climate pattern grid data series Xt = (x1, t, x2, t, ..., xm, t) and actual measurement data series Yt= (y1, t, y2, t, ..., yn, t) of each site, m refers to the number of the grids, t refers to time and n refers to the number of the sites; (2) constructing the dimension reduction and correction model based on the spacial multi-correlation solution set algorithm: Y= B + AX + epsilon (epsilon - N (0, sigma 2)), wherein A and B are used for reflecting a related structural relationship between the grid data and the actual measurement data of the sites, and the sigma is a standardized independent random vector; (3) adopting a particle swarm optimization algorithm to figure out the solutions to the coefficient matrix A and the coefficient matrix B in an equation(1). The dimension reduction and correction model based on the spacial multi-correlation solution set algorithm has the advantage of increasing the simulation precision.
Owner:HOHAI UNIV

Evaluation method for evaluating water-induced landslide disaster loss caused by climate change decline

ActiveCN114510851AAdaptation to regional climate change impact assessment is goodAddressing Difficult to AssessDesign optimisation/simulationResourcesSpatial heterogeneityLandslide hazard assessment
The invention discloses an evaluation method for evaluating water-induced landslide disaster loss caused by climate change decline, and belongs to the technical field of geological disaster prevention and control. According to the method, a physical process model is utilized, spatial heterogeneity of surface features of all grid points on a region is considered, and rainfall threshold values corresponding to all space grid points in a region range with spatial heterogeneity are obtained; the method comprises the following steps of: selecting a landslide model, optimizing a climate mode by combining historical and climate mode data, simulating an easily-occurring area and a possibly-rushing-out and influence area of the landslide by utilizing a model, and better matching an influence range simulated by utilizing the method with disaster loss lattice point data. The problem that the climate change scene and the landslide influence in landslide disaster assessment are difficult to assess is solved.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Method for calculating optimal climate pattern to simulate tropical cyclonic activity performance

ActiveCN111400933APerformance value results are objective and trueDesign optimisation/simulationResourcesCycloneTropical cyclone
The invention discloses a method for calculating an optimal climate mode to simulate tropical cyclone activity performance. The method comprises the following steps: collecting related information, and calculating two-dimensional field distribution of tropical cyclone path density, a path density simulation value, a path type simulation value, a monthly change simulation value, a comprehensive simulation performance value and global comprehensive simulation performance values of a plurality of climate modes; sorting the comprehensive simulation performance values, and finally obtaining an optimal mode for simulating tropical cyclone activity in multiple climate modes. According to the invention, the tropical cyclonic activity simulation capabilities of a plurality of climate modes are quantitatively compared; based on the multi-aspect characteristics of the path and the frequency of the tropical cyclone, the influence of the simulation capability of the mode in different sea areas on the total simulation capability in the global range is combined, and the sorting of quantitative values can be given, so the performance value result is more objective and real, and the advantages anddisadvantages of the weather mode on the tropical cyclone activity simulation performance can be more intuitively expressed.
Owner:NAT UNIV OF DEFENSE TECH

Method for evaluating flood disaster social economic exposure degree based on climate mode set

The invention provides a flood disaster social economic exposure degree evaluation method based on a climate mode set. The method comprises the steps: collecting hydrological, meteorological and underlying surface data of a research region, calibrating a watershed distributed hydrological model, and extracting the output data of a global climate mode; performing deviation correction on the output data of the global climate mode by adopting a multivariable deviation correction method to obtain a corrected global climate mode meteorological series; using the corrected global climate mode meteorological series to drive the distributed hydrological model and the hydrodynamic model to simulate the river submerging depth under the climate change scene; and evaluating the population and GDP exposure degree of the flood disaster under the influence of the climate change based on the simulation result of the step 3 by considering the dynamic population sharing the social economic path and the GDP scene. According to the method, the influence of the flood events on the social economic system under various climate change scenes is evaluated, and the method has important scientific significance on flood risk prediction and loss evaluation in the future.
Owner:WUHAN UNIV

Multi-climate-pattern output result set correction method

The invention discloses a multi-climate-pattern output result set correction method and provides a climate pattern classification mode, e.g. according to longitudes and latitudes, geomorphic types, etc. According to the method, a classification is judged according to meshes divided in a research region; formula parameters are solved in combination with a proposed multi-climate-pattern output result set calculation formula and measured value fitting; and finally a corrected prediction value is solved. Through the correction method, data information is fully utilized, combinations of climate patterns in different classifications are comprehensively considered, and compared with a previous simulation result of a single preferred climate pattern for the meshes, a simulation value is more approximate to a measured value and better conforms to the actual condition.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Power grid galloping long-term prediction method and system based on climatic dynamic downscaling

The invention discloses a power grid galloping long-term prediction method and system based on climate dynamic downscaling. The power grid galloping long-term prediction method comprises the steps: selecting a global climate mode, carrying out the prediction of a monthly average meteorological field of N months in the future, and outputting meteorological data; selecting a regional climate mode, dividing a to-be-predicted region into grids, carrying out integration with a meteorological field of meteorological data at the prediction starting moment as an initial field, wherein the integrationduration is N months; outputting the integrated meteorological elements day by day in the regional climate mode, judging whether the meteorological elements output day by day of the grid meet a dancing day model or not, and judging the date meeting the dancing day model as the dancing day of the grid; and counting the to-be-predicted time within N months to obtain the total number of dancing dayson each grid, and drawing a contour map on the to-be-predicted area. The power grid galloping long-term prediction method is good in universality and can be suitable for calculation of long-term prediction of power grid galloping in different regions.
Owner:STATE GRID HUNAN ELECTRIC POWER +2

Short-term climate prediction method based on statistical downscaling technology

ActiveCN113219555AFine Forecast ResultsImplement Gridded PredictionWeather condition predictionForecastingSingular value decompositionPredictive methods
The invention discloses a short-term climate prediction method based on a statistical downscaling technology. The method comprises the steps of carrying out the singular value decomposition of a monthly average rainfall and a large-scale prediction factor in China in a fitting time period of modeling; respectively extracting a main mode typical coupling space anisotropic correlation distribution space type and a corresponding main component time sequence pair of the monthly average rainfall and the large-scale predictive factor in China; utilizing a stepwise regression analysis method to obtain a self-adaptive principal mode typical coupling space anisotropic correlation distribution type and a principal component time sequence pair of monthly average rainfall and a large-scale prediction factor suitable for a prediction time period. The method has the advantages that the optimal coupling variation type among multiple factors is extracted based on multiple processing methods such as EOF, SVD and multiple linear regression by integrating climate modes and early-stage key factors, the multi-source information dynamic processing and extraction technology is developed, the optimal information integration self-adaptive downscaling technology is constructed, and the grid prediction of the average rainfall close to the month under the climate conditions of different regions in the whole country is realized.
Owner:国家气候中心

North Pacific Ocean sea surface salinity inter-year modal identification method and system

The invention relates to a North Pacific Ocean sea surface salinity interannual modal identification method and system. The method comprises the following steps: acquiring CMIP6 climate mode data of a plurality of modes; obtaining an ORAS4 reanalysis data set of the European mid-term weather forecast center as comparison reference data; two empirical orthogonal function modes EOF1 and EOF2 of the NPSDV are calculated by comparing reference data, the EOF1 is a dipole mode, and the EOF2 is a monopole mode; two empirical orthogonal function modes EOF1'and EOF2 'of the NPSDV are calculated through the CMIP6 climate mode data of all modes, and the modes of the EOF1' and the EOF2 'are recognized according to the space correlation coefficient of the EOF1 and the EOF1', the space correlation coefficient R12 of the EOF1 and the EOF2 ', the space correlation coefficient R21 of the EOF2 and the EOF1' and the space correlation coefficient R22 of the EOF2 and the EOF2 '.
Owner:中国人民解放军61540部队

Method and system for simulating ice cloud growth process

The invention discloses a method and system for simulating an ice cloud growth process, and the method comprises the steps: constructing an ice cloud particle spectrum distribution database and a non-spherical ice cloud particle scattering database, wherein the ice cloud particle spectrum distribution database comprises ice cloud particle observation data, and the non-spherical ice cloud particlescattering database comprises ice cloud particle scattering characteristic parameters; and according to the ice cloud particle spectrum distribution database and the non-spherical ice cloud particle scattering database, calculating a fitting relationship between the ice cloud optical characteristic parameters and the ice cloud macroscopic physical quantities, and determining a fitting coefficient,wherein the ice cloud optical characteristic parameters comprise the ice cloud extinction efficiency, ice cloud asymmetry factors and the ice cloud single scattering albedo, and the ice cloud macroscopic physical quantities comprise the ice cloud ice water content and the ice cloud average effective radius; and applying the fitting coefficient to a radiation transmission model, and simulating theice cloud growth process. According to the method, the accuracy of ice cloud optical characteristic expression in an existing climate mode is improved, and global-scale ice cloud micro-physical parameters can be effectively inverted.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI

Method and system for evaluating carbon dioxide exchange capacity of lake water-gas interface

The invention provides a lake water-gas interface carbon dioxide exchange capacity assessment method and system, and the method comprises the steps: obtaining lakebed elevation data and a plurality of driving data, inputting the lakebed elevation data and the plurality of driving data into a preset surface water-underground water coupling simulation model, and carrying out the calculation to obtain a lake water surface area; acquiring multiple groups of climate mode data, inputting the multiple groups of climate mode data into a flux block formula, and calculating to obtain water-gas interface carbon dioxide flux; and according to the lake water surface area and the water-gas interface carbon dioxide flux, calculating to obtain the lake water-gas interface carbon dioxide exchange capacity. According to the method, the physical distributed simulation and description of the lake are realized, each water balance item of the lake is comprehensively considered, the exchange capacity of the carbon dioxide on the water-gas interface of the lake is quantitatively evaluated through coupling with the climate mode, and compared with the traditional method, the method has the characteristics of low investment, high precision and strong physical mechanism.
Owner:CHINA THREE GORGES CORPORATION

Climate change prediction method and system based on improved bp neural network fitting multiple climate models

ActiveCN105740991BMake up for the defect that the forecast is often biasedStrong non-linear mapping abilityForecastingNeural learning methodsAlgorithmNetwork model
The present invention discloses a climate change prediction method and system for fitting various climate modes based on a modified BP neural network. The method comprises the following steps: collecting rainfall data that characterizes a climate change feature; performing downscaling processing on climate mode prediction grid data, so as to obtain a long series of data with the same resolution as measured data; performing average correction on a downscaled climate mode prediction series; establishing a modified BP neural network model and determining a network model structure; training and inspecting the established BP neural network model; and predicting a future climate spatial-temporal change using a model output. According to the method and system disclosed by the present invention, output / input data processing of the BP neural network is modified, and various climate modes are fit to predict the future climate change, so that reliability of the prediction result is increased, and the defects that the deviation of a single mode is relatively large during an assessment and that basin space nonuniformity is not considered during a multi-mode collection assessment and the like are made up.
Owner:HOHAI UNIV

A Correction Method of Rainfall Deviation Based on Segmentation Thought

The invention discloses a method for correcting rainfall deviation based on the idea of ​​segmentation, aiming at improving the rainfall simulation accuracy of a series of rainfall models such as climate model, downscale model and rainfall generation model. The method includes: 1) dividing the measured rainfall sequence into three parts: minimum value, normal value and maximum value based on the quantile of the measured rainfall sequence; 2) dividing the simulated rainfall sequence into three parts based on the quantile of the simulated rainfall sequence It is also divided into three parts: minimum value, normal value and maximum value; 3) based on the three-segment data of the measured rainfall sequence, the deviation correction is performed on the three-segment data of the simulated rainfall sequence; 4) a newly proposed evaluation index is adopted , to effectively evaluate the effect of rainfall bias correction. The beneficial effects of the present invention are: effectively eliminating the error between the simulated rainfall of the rainfall model and the actual measured rainfall, improving the rainfall simulation accuracy of the rainfall model; laying a solid foundation for the correction of the deviation of the rainfall model's future prediction of rainfall, and improving the reliability of its prediction sex.
Owner:ZHEJIANG UNIV

Four-dimensional coupling medium and long-term runoff forecasting method for gas, land, reservoir and water

ActiveCN114862073ASolve the problem of insufficient couplingRealize Dynamic ForecastForecastingDesign optimisation/simulationWater storageStream flow
The invention provides an air-land-reservoir-water four-dimensional coupled medium and long-term runoff forecasting method. A drainage basin air-land-reservoir-water calculation scheme based on a climate mode, a series-connection two-parameter water balance model, a storage capacity difference model and an incoming water synthesis model is established; a gas-land coupler, a land-reservoir coupler and a reservoir water coupler are established respectively, and through intelligent correction, a state judgment machine, uniform distribution and other methods, climate mode grid point output is converted into partition input of two parameter models, flow output of the two parameter models is converted into water level input of a reservoir model, and water storage output of the reservoir model is converted into influence flow input of an incoming water model; and coupling the models by utilizing a coupler, and establishing a medium-and-long-term runoff coupling forecasting model to obtain an actual flow forecast value. By means of the method, ten-day-month-season scale runoff forecasting can be achieved, the influence of reservoir regulation and storage on runoff forecasting is considered, the method is high in precision compared with a common method, and water balance can be guaranteed.
Owner:BUREAU OF HYDROLOGY CHANGJIANG WATER RESOURCES COMMISSION

A Calculation Method for Radiative Transfer Applicable to Continuous Variation of Cloud Microphysical Properties

ActiveCN107748733BSolve the problem of vertical unevennessImprove radiation calculation accuracyScattering properties measurementsComplex mathematical operationsOptical propertyAlbedo
The present invention relates to a radiative transfer calculation method suitable for continuous changes in cloud microphysical properties. Based on a second-flow approximation scheme, the method includes the following steps: Step 1) Expressing the radiant flux with continuous changes in cloud microphysical properties as a constant term and a disturbance term and; step 2) calculate the first radiant flux according to the traditional second-flow radiative transfer equation, and set the first radiant flux as the constant item; step 3) use the perturbation method to combine the asymmetry factor g and the unit Substituting the parameterized form of the scattering albedo ω into the traditional two-flow radiation transfer intensity equation to form a non-uniformity-induced disturbance term equation group, and by solving the non-uniformity-induced disturbance term equation group, two micro-disturbance factors and the expression The second radiant flux; step 4) summing the first radiant flux and the second radiant flux to complete the solution of the radiant flux with continuously changing microphysical properties of the cloud. This method effectively solves the vertical inhomogeneity of optical properties inside clouds in climate models, thereby improving the accuracy of radiation calculations.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Climate mode evaluation and deviation correction method based on information entropy

The invention discloses a climate mode evaluation and deviation correction method based on information entropy, and the method comprises the following steps: selecting a climate evaluation result anda climate measurement result of each climate model according to the actual demands; calculating information entropy and mutual information of each climate model and the measurement result; obtaining aVI image and an RVI image; evaluating the advantages and disadvantages of the climate model; n climate evaluation models with good evaluation results are selected to construct a multi-mode ensemble forecasting system; and performing result correction by using a least square method. According to the method, the output data of the multiple climate modes are used as independent variables, the deviation correction model of the output data of the multiple climate modes is constructed, evaluation results are further corrected while climate mode evaluation is achieved, and accurate prediction of future climate scenes is facilitated.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

A Short-term Climate Prediction Method Based on Statistical Downscaling Technology

ActiveCN113219555BFine Forecast ResultsImplement Gridded PredictionWeather condition predictionForecastingSingular value decompositionRegression analysis
The invention discloses a short-term climate prediction method based on statistical downscaling technology, which includes performing singular value decomposition on my country's monthly average precipitation and large-scale predictors within the modeling fitting period, and extracting my country's monthly average precipitation and large-scale forecasting factors respectively. The main modes of the scale predictors are typically coupled with spatially heterogeneous correlation distribution spatial patterns and the corresponding principal component time series pairs; using stepwise regression analysis, the adaptive main modes of the monthly mean precipitation and large-scale predictors suitable for the forecast period are obtained. Modal typical coupled spatially heterogeneous correlation profiles and principal component time series pairs. The advantages are: integrated climate model and previous key factors, based on multiple processing methods such as EOF, SVD and multiple linear regression to extract the optimal coupling variation among multiple factors, developed multi-source information dynamic processing and extraction technology, and constructed optimal information Integrating self-adaptive downscaling technology to realize the gridded prediction of the monthly average precipitation in different regions of the country under the climatic conditions.
Owner:国家气候中心

A method and system for simulating the growth process of ice clouds

The present application discloses a method and system for simulating the growth process of ice clouds, including: constructing an ice cloud particle spectrum distribution database and a non-spherical ice cloud particle scattering database, the ice cloud particle spectrum distribution database contains ice cloud particle observation data, the non-spherical ice cloud particle The spherical ice cloud particle scattering database includes ice cloud particle scattering characteristic parameters; according to the ice cloud particle spectral distribution database and the non-spherical ice cloud particle scattering database, calculate the fitting relationship between the ice cloud optical characteristic parameters and the ice cloud macroscopic physical quantities, And determine the fitting coefficient, the ice cloud optical characteristic parameters include ice cloud extinction efficiency, ice cloud asymmetry factor and ice cloud single scattering albedo, the ice cloud macroscopic physical quantity includes ice cloud ice water content and ice cloud average effective Radius; applying the fitting coefficients to a radiative transfer model to simulate the growth process of the ice cloud. This application improves the accuracy of the expression of ice cloud optical characteristics in existing climate models, and can effectively invert the microphysical parameters of ice clouds on a global scale.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI

Quantitative detection and attribution method for influence of artificial carbon emission on key variables of water circulation

PendingCN114781145AEasy accessAttribution method is simple and effectiveDesign optimisation/simulationResourcesGreenhouseClimate pattern
The invention discloses a quantitative detection and attribution method for the influence of artificial carbon emission on water circulation key variables, which comprises the following steps of: performing deviation correction on the water circulation key variables (evapotranspiration and rainfall) simulated by a CMIP6 climate mode by adopting a quantile increment mapping method so as to reduce the uncertainty of climate mode simulation; on the basis of observation constraints, multi-mode weighted average is adopted to integrate multi-mode simulation results, so that the simulation precision of the climate mode on water circulation is improved; based on the processed climate mode simulation result and an optimal fingerprint method, multivariable detection and attribution are carried out, and fingerprint signals of the influence of artificial greenhouse gas emission and aerosol emission on water circulation key variables are quantitatively identified; and finally, estimating a future water circulation space-time evolution rule by using the established deviation correction and multi-mode weighting relationship, and reducing uncertainty and errors of future estimation. According to the method, the influence of artificial carbon emission on key variables of water circulation can be quantitatively identified, and theoretical reference can be provided for double-carbon targets and climate change coping.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Sub-season-season-interannual scale integrated climate mode set prediction system

The invention discloses a sub-season-season-interannual scale integrated climate mode set prediction system. The system comprises an initialization module, a high-resolution climate mode module, a set prediction module and a prediction post-processing module. The initialization module is used for downloading, extracting and processing multi-source data including atmosphere, land surface, ocean and sea ice, and using external parameters for controlling and achieving preprocessing such as data selection, checking and horizontal and vertical interpolation of meteorological elements, and the initialization module is suitable for data preprocessing of operation in all climate modes. The high-resolution climate mode module is used for carrying out objective quantitative prediction on multi-circle coupling collaborative change of atmosphere, land surface, ocean and sea ice; the set prediction module is used for generating any number of set prediction sample members combined by physical parameter tendency random disturbance and an initial value time lag method. The invention provides the climate prediction with high resolution, high prediction accuracy and good controllability, and provides multi-time-scale and multi-space-scale climate prediction of atmosphere, land surface, ocean and sea ice.
Owner:国家气候中心

A method and system for evaluating carbon dioxide exchange capacity at the water-air interface of a lake

The present invention provides a method and system for assessing the amount of carbon dioxide exchange at the lake water-air interface, the method comprising: obtaining lake bottom elevation data and multiple driving data, and inputting the lake bottom elevation data and multiple driving data into preset surface water-ground water In the coupled simulation model, the water surface area of ​​the lake is calculated; multiple sets of climate model data are obtained, and multiple sets of climate model data are input into the flux block formula to calculate the carbon dioxide flux at the water-air interface; according to the lake water surface area and the water-air interface The carbon dioxide flux was calculated to obtain the carbon dioxide exchange volume at the lake water-air interface. This method realizes the simulation and description of the physical distribution of the lake, fully considers the water balance items of the lake, and through the coupling with the climate model, quantitatively evaluates the exchange of carbon dioxide at the water-air interface of the lake. Compared with the traditional method, it has more advantages It has the characteristics of low investment, high precision and strong physical mechanism.
Owner:CHINA THREE GORGES CORPORATION

Method for detecting climatic mode index sequence mutation point, storage medium and equipment

The invention relates to a method, a storage medium and equipment for detecting a climatic mode index sequence mutation point. And reading observation sequence data, determining cut-off lengths and probability levels of climate modes, and calculating statistically significant difference values among different modes. And starting to cyclically search a sudden change point, if the value of a certain point is remarkably different from that of the previous climate mode, considering the point as a candidate point of climate mode sudden change, otherwise, moving to the next point. And after the candidate point is determined, calculating the mode conversion index of the point, if the index has a negative value, indicating that the mode mutation fails, and if the index has a positive value, indicating that the mutation succeeds, and formally determining the point as a mode mutation point. And taking the new mode as a reference mode, continuing the operation until the end of the observation sequence, and detecting all mode mutation points. The method solves the problem that the detection performance of the existing method is sharply reduced at the tail end of the sequence, and the climate mode transfer can be detected as early as possible and then the change of the amplitude along with time is monitored. The method is easy to operate, and a user can change input parameters according to requirements.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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