11 results about "Storm surge" patented technology

This invention belongs to the field of coastal engineering and ecological restoration technology. It discloses a method for optimizing the design of beach ecological restoration trenches based on hydrodynamic simulation. The method includes: collecting beach hydrological datasets, topographic datasets, and ecological datasets, and preprocessing them. The hydrological dataset includes wave data, tidal current data, storm surge data, and sediment transport data. The topographic dataset includes shoreline slope, beach elevation, underwater topography data, and sediment source storage data. The ecological dataset includes tidal flat vegetation distribution, benthic organism density, ecologically sensitive area range, and water environment quality data. This invention, through the coupled processing of hydrological, topographic, and ecological multi-source datasets, obtains hydraulic reference values ​​and topographic adaptation values ​​for the trench, directly reflecting the regional dynamic conditions and the degree of topographic adaptation, significantly reducing the workload of manual calculation and trial and error.

A storm surge intelligent forecasting method integrating causal structure and graph neural network, relating to the fields of artificial intelligence and marine storm surge forecasting technology, includes: Step 1. Multi-source data fusion; Step 2. Data preprocessing and standardization; Step 3. Using UNet-LSTM to achieve fusion modeling of storm surge meteorological spatiotemporal characteristics and water level temporal characteristics; Step 4. Causal structure inference and graph structure learning; Step 5. Using graph convolutional neural network to obtain a UNet-LSTM-DGCN combined model for final storm surge water level forecasting; Step 6. Combined model training and validation; Step 7. Visualization of prediction results; Step 8. Interpretability analysis. This invention constructs an intelligent method combining dynamic graph neural networks for storm surge forecasting, effectively capturing the dynamic causal relationships in water level changes at multiple stations under the influence of typhoons. While improving forecast accuracy, it reveals the decision-making basis within the model through visualized graph structures.

This invention provides a method, apparatus, and equipment for predicting storm surge hazard level parameters for typhoons, relating to the field of storm surge data processing. The method includes: acquiring target characteristic parameters of the current typhoon in the target area and a preset storm surge intensity level index comparison table for the target area; inputting the target characteristic parameters into a preset storm surge prediction model, and outputting prediction results through the preset storm surge prediction model; wherein the preset storm surge prediction model is determined using multiple sets of historical typhoon data for the current target area; and determining the hazard level parameters of the current storm surge in the current target area based on the prediction results and the preset storm surge intensity level index comparison table for the target area. The solution of this invention achieves real-time prediction of storm surge hazard level parameters for the current area under extreme environments, and has the advantages of fast prediction speed and easy interpretation of prediction results.

The utility model discloses a marine ranching coral reef typhoon -resistant reinforcing structure and ecological barrier system relates to marine ranching technical field, including coral reef pedestal and reinforcing component, the coral reef pedestal is integrated into one piece structure, and the surface of coral reef pedestal is provided with the cylindrical containing groove, the reinforcing component sets up at the surface of coral reef pedestal, and reinforcing component includes oyster shell composite layer, reinforcing threaded drill rod, bottom fixed drill, fixed bottom plate and spiral reinforcing drill. The utility model discloses a marine ranching coral reef typhoon -resistant reinforcing structure and ecological barrier system, through reinforcing component makes the device enhanced the stability of coral reef, and the typhoon -resistant performance improves, can enhance the stability of ecological barrier, provides the lasting habitat for fish and resists the sea wave erosion, through the degradable polymer grid, the connecting plate, the fixed drill rod and the barrier component make the device can provide the biological habitat for marine ranching, purify water quality and resist the storm surge impact, so as to be convenient for maintaining ranching ecological balance and productivity.

This invention discloses a marine disaster early warning method and system based on an AI model specifically designed for surveying. The invention embeds the KdV equation for internal solitary waves as a constraint into the model using a physical information neural network, giving it physical interpretability and enabling accurate reconstruction of the flow field based solely on sparse observations. The method transforms water acoustic echo data and shipborne inertial measurement unit attitude data into effective inputs, achieving perception of internal wave structure and sea surface wave spectrum without increasing hardware costs. The system utilizes Transformer-based multimodal fusion technology to correct satellite cloud image features using meteorological forecast data, significantly improving the reliability of typhoon and storm surge predictions. Ultimately, high-precision environmental perception is translated into customized operational decisions, filling the gap in general meteorological navigation for engineering protection and effectively ensuring the safety of surveying equipment and the project schedule.

This invention discloses a method and system for assessing the risk of typhoon-induced coastal flooding considering climate change, belonging to the field of flood risk assessment technology. The method includes: acquiring a synthetic typhoon track dataset for the study area; calculating the pressure field and wind field data for the study area; simulating storm surge levels and flood distribution data under baseline and future scenarios using a dry-wet algorithm; and importing the flood distribution data and land use data into a geographic information system to quantify flood risk indicators for the study area under different scenarios. This invention assesses the typhoon-induced flood risk in the study area from a long-term perspective. Based on synthetic typhoon tracks and the Holland model, it calculates sea level levels under baseline and future scenarios, and compares and analyzes the impact of floods on different cities, landform types, and land use categories under the two scenarios. The research results reveal the high-impact types and potentially rapidly increasing risks that storm surges and climate change continue to pose to Hainan Island.

The application discloses a simulation generation method and device for near-shore strong nonlinear waves and a terminal, and relates to the technical field of ocean engineering, in particular to a simulation generation method for near-shore strong nonlinear waves. The method comprises the following steps: acquiring sea surface height data of a tsunami wave at a certain position; inputting the sea surface height data into a wave speed variation and water depth variation relationship model, wherein the wave speed variation and water depth variation relationship model outputs wave flow speed; and obtaining a tsunami wave based on the sea surface height data and the wave flow speed. Compared with the prior art, the application can accurately generate strong nonlinear waves in a computational fluid dynamics model, fills the gap of the model method in this aspect, lays a foundation for the research on strong nonlinear waves, such as extreme storm surges and tsunami waves, and engineering effects thereof, and thus can more accurately understand, simulate and quantify the engineering effects of extreme wave disasters.

The utility model relates to offshore wind power installation equipment field discloses a kind of large wind power auxiliary installation platform, including main pontoon, the cavity barrel fixed sleeve of main pontoon center is provided, dry installation cavity barrel is passed in the cavity barrel guide sliding cavity, one piece of auxiliary pontoon is extended along center in each main pontoon four sides, anchor column guide sliding cavity is set in each anchor column fixed sleeve inside, supporting anchor column is passed in each anchor column guide sliding cavity, the cavity barrel guide sliding cavity is dry installation cavity barrel and is provided with direction, ensure that it can be vertically lowered to seabed operation surface, anchor column fixed sleeve and anchor column guide sliding cavity are mutually matched on the auxiliary pontoon, supporting anchor column can be quickly inserted seabed along guide sliding cavity, main pontoon is lifted using reaction force and is separated from water surface, form stable suspension base, effectively resist storm surge impact, create stable operation environment for offshore wind power foundation installation.

The present application provides a kind of storm surge early warning method for coastal high-risk area, belong to storm surge early warning technical field, the present application is by obtaining the meteorological field data and ocean hydrographic data of target sea area to establish basic grid system, based on burr constraint vector to grid is dynamically nested encryption generation nearshore high-resolution subgrid, meteorological field data is input scale separation parameterization model to generate multi-scale driving field, on encryption subgrid, establish wave flow complete coupling equation group, through iteration, realize the dynamic consistency calculation of wave field and flow field, according to scale sensitivity index matrix, adaptively adjust grid resolution, finally extract nearshore water level increase characteristics to generate sub-regional warning level, solve the technical problem of insufficient wave flow coupling calculation precision of storm surge early warning system in nearshore complex terrain area.

The application discloses a comprehensive evaluation method and system for offshore sea conditions, and relates to the technical field of ocean hydrology and ocean wind energy resource utilization. The method comprises the following steps: acquiring initial data sets of a wind field, a coastline, water depth and a tidal level of a sea area to be researched, and generating a prediction data set through a numerical model of bidirectional coupling of hydrodynamic force and waves; iteratively adjusting model parameters by adopting a layered hyperparameter optimization strategy, and combining measured data to control the relative error within 5%; generating extreme working condition data by fusing a typhoon field and a background wind field, and comprehensively analyzing characteristic parameters of tides, waves, tidal currents and storm surges of prediction data output by the model to generate a sea condition comprehensive evaluation report. The application improves the model parameter calibration efficiency and simulation accuracy, reduces the survey cost of offshore sea condition evaluation, and can be widely applied to site selection and feasibility analysis of offshore engineering such as offshore wind power and port construction.

This invention belongs to the field of marine engineering technology and discloses a numerical simulation method and system for water and sediment ecological geomorphological evolution considering wave-current coupling, extreme weather, and bidirectional feedback of vegetation dynamics. The method includes: constructing a multi-module coupled model of hydrodynamics-wave-sediment-vegetation-topography, and setting an initial vegetation field; introducing vegetation parameters into each governing equation to characterize their influence on water flow resistance, wave dissipation, and sediment transport; introducing wave-current coupling and extreme weather forcing to simulate typhoon storm surge processes, and outputting the spatiotemporal distribution of hydrodynamic and environmental factors; updating suspended sediment transport, erosion and subsidence, and topographic evolution accordingly; simulating vegetation colonization, growth, competition, death, and lodging processes driven by hydrodynamic environmental factors; bidirectionally feeding back vegetation changes and topographic updates to each module to form a closed loop; and iteratively calculating to the termination condition to realize the simulation of the entire process of water and sediment ecological geomorphological evolution.