75 results about "Monsoon" patented technology

The invention provides a water-based emulsion material for protecting an external wall of a building under a subtropical monsoon climate condition and a preparation method for the water-based emulsion material. The water-based emulsion material is water-based emulsion with a core-shell structure and a cyclosiloxane structure, and comprises the following components in percentage by weight: 25.6 to 74.5 percent of core-shell latex particles, 0.1 to 0.6 percent of a bactericidal anti-alga agent, 0.01 to 0.1 percent of a pH modifier and the balance of de-ionized water. According to the water-based emulsion material and the preparation method, a core-shell emulsion polymerization technology and the hydrophobic effect of an organic silane coupling agent are utilized, and the prepared water-based emulsion material has high protective waterproof performance for the external wall of the building under the subtropical monsoon climate condition, and can also be used in the fields of engineering protection, building water-proofing, bridge maintenance and the like.

The invention belongs to the technical field of constructional engineering and particularly relates to a foundation dynamic compaction construction method. The foundation dynamic compaction construction method includes the steps that firstly, the ground surface is cleaned; secondly, earthwork backfilling is conducted; thirdly, local compaction is conducted; fourthly, full compaction is conducted; and fifth, checking is conducted after compaction, wherein various test data and test records in the trial compaction process are checked, when the test data and the test records do not meet design requirements, supplementary compaction should be conducted or other effective measures should be taken, the quality of the foundation can be checked only after a certain time interval after trial compaction construction is over, earthwork tests and dynamic penetration tests are conducted in time after trial compaction is completed, and test parameters are collected in time. By means of the foundation dynamic compaction construction method, the compaction frequency is accurately regulated, a sensor is introduced for analyzing construction data in real time, the foundation dynamic compaction construction method is very suitable for being used and popularized in subtropics monsoon climate zones, the construction period can be effectively shortened, and the construction quality is improved.

The present invention is directed to an escape and survival capsule that provides protection to occupants from, e.g., cataclysmic natural events such as tsunamis, flooding, monsoon, typhoons, tornadoes, hurricanes, water spouts, earthquakes and mudslides. The capsule may be designed to be inflatable with durable and rugged materials providing protection against hazardous environmental factors during one or more of the preceding cataclysmic events. The capsule may be designed to be easily stowable, transportable and deployable so that it can serve its intended purpose within minutes after the occurrence of any of the preceding or other cataclysmic events.

The invention discloses a CFD numerical simulation-based optimization method for a double-sub-building wind environment, which comprises the following steps of obtaining the local winter and summer monsoon wind direction and average wind speed data according to the outdoor meteorological parameters and the local meteorological data in civil building heating ventilation and air conditioning designspecifications; establishing a double-sub-building initial model in CFD software, setting the simulation working conditions by data, and establishing a comparison model by adjusting the plane shape, the height, the spacing, the included angle, the relative position and the like of a main building; performing wind environment simulation in CFD software to obtain a distribution condition of a wind environment and a wind speed ratio at a pedestrian height around the double-sub-building; and comparing the simulation results, and selecting an optimal double-sub-building plane layout form under thecondition that the wind environment evaluation standard in the green building evaluation standard is met. According to the invention, the creation of a proper and comfortable wind environment around the double-sub-building is facilitated, and the wind environment around the double-sub-building is optimized by adjusting the planar layout and the planning of the double-sub-building.

The invention relates to a process for integrally assembling multilayer steel anchor beams of main towers of cable-stayed bridges. The process includes integrally assembling the multilayer steel anchor beams in factories; secondarily pre-assembling the multilayer steel anchor beams under the matching effects of positioning connecting plates. The process has the advantages that the multilayer steelanchor beams are integrally assembled in the factories, accordingly, the time can be saved during hoisting and general assembling, the process can be carried out under safe working conditions, and the field general assembling mounting precision can be guaranteed against being affected by mounting environments such as monsoon on sea surfaces; the multilayer steel anchor beams only need to be locked by high-strength bolts and accordingly can be easily and safely hoisted; problems of general assembling in the factories can be timely discovered and timely solved, accordingly, the inconvenience infield modification can be prevented, and workload can be reduced.

The invention discloses a light-reflection, heat-insulation and anticorrosion paint which is prepared by uniformly mixing components in percentage by weight as follows: 30%-35% of nano titanium dioxide coated hollow glass beads, 15%-20% of micron-size quartz sand, 44%-50% of fluorocarbon emulsion, 0.1%-1% of a rear earth assistant, 0.1%-1% of a dispersing agent, 0.1%-1% of a thickening agent, 0.1%-1% of a wetting agent, 0.1%-1% of a defoaming agent and 0.1%-1% of a film formation assistant. The light-reflection, heat-insulation and anticorrosion paint has the advantages of good weather resistance, corrosion resistance, thermal insulation, water resistance, stain resistance and abrasion resistance, efficient crack resistance and seepage prevention and the like. The problems about heat insulation and anticorrosion in the severe environments of high temperature and humidity, salt-spray corrosion, mould breeding and the like under the condition of tropical ocean monsoon climate are solved; and a building outer wall or a metal component surface is coated with the reflective heat-insulation and anticorrosion paint, so that the service life of the building outer wall or the metal component surface is prolonged, and the building outer wall or the metal component surface has the advantages of good weather resistance, corrosion resistance, thermal insulation, water resistance, stain resistance and abrasion resistance, efficient crack resistance and seepage prevention and the like.

The invention discloses an organic substrate for cultivated crops and a preparation method of the substrate. The organic substrate for cultivated crops comprises the following components in parts by weight: 150-200 parts of plant organic matters, 5-10 parts of animal organic matters, 10-20 parts of fillers, 1-3 parts of microbial inoculums, 0-2 parts of pH regulators and 0-2 parts of EC regulators. The organic substrate for cultivating crops is obtained through high-temperature fermentation, can effectively remove germs, eggs and weed seeds, has rich nutrient components, can enhance the immunity of crops, and improve the quality and yield of the crops, thereby meeting the requirements of urban agriculture on shallow soil cultivation, simple configuration and convenient planting and maintenance, and particularly can effectively solve the problem of low yield caused by insufficient air permeability, water retention and colonization of the substrate when high temperatures and monsoons occur in summer in southern cities.

The invention relates to a red wine aroma enhancement brewing technique based on freezing extraction technology. The red wine brewed by the technology provided by the invention has pure and strong fruity aroma and elegant and harmonic flowery aroma, smooth taste, comfortable and complete wine body, the variety aroma feature of grape is enhanced, so that the red wind brewed by the grape raw material in monsoon producing area can reach the quality requirement of the red wine in high-quality producing area. According to the technical scheme, the technique comprises the following steps: (1) sorting the grape raw material; (2) removing stems and crushing; (3) freezing wine with dregs; (4) naturally heating up to defreeze, adding sulfur dioxide; (5) carrying out alcoholic fermentation; (6) separating skin from slag, continuously fermenting; (7) storing and managing; (8) settling, stabilizing, filtering, and bottling.

The invention relates to a method for calculating high-precision Chinese offshore sea wave characteristic distribution. According to the method, a meteorological model WRF, a large-area sea wave modelwavewatch 3 and a sea wave model swan used in the offshore area of China are combined, and a multi-year historical sea wave characteristic data product with the spatial resolution of 0.04 degree * 0.04 degree can be calculated. As the China offshore area is divided into the East China sea area and the South China sea area by considering the monsoon influence area and the wave propagation characteristics during model establishment. The western pacific ocean is prevented from being brought into a mode range, and computing resources are prevented from being consumed. Due to the fact that the twosea areas have the overlapping area, the overlapping area has two calculation results, a weighted average method is used, the calculation results of the two overlapping areas are integrated, and thewhole set of data has spatial continuity.

The invention discloses a monsoon vortex locating method. The monsoon vortex locating method is characterized by including a first step of acquiring whole wind field data and marking out monsoon vortex generating areas in the whole wind field data, a second step of carrying out filtering on the monsoon vortex generating areas through a low-pass filter and acquiring low-frequency wind field data, a third step of locating vortex centers of all the vortex in the low-frequency wind field data and a fourth step of calculating circulation strength and time of duration of the vortexes, obtaining horizontal dimensions of the vortexes and locating the monsoon vortexes according to the horizontal dimensions and the time of duration of the vortexes. The monsoon vortex locating method is small in identification error, short in consumed time of the method, and very objective in locating identification process.

The invention discloses an ecological planting method of Amomum villosum Lour. and belongs to the technical field of planting. The ecological planting method comprises the steps of selection of planting topography, soil preparation and transplantation, intercropping of rokietta siewna (Caesalpinia mimosoides), scattering of Eryngium foetidum, Apis cerana breeding for pollination, field managementand harvesting and processing. According to the method, an ecological agriculture mode is adhered, chemical pesticides, chemical fertilizers, herbicides and other inputs which possibly cause the quality reduction of Amomum villosum Lour. medicinal materials, potential safety hazards and the influence in sustainable development of the ecological environment are not used, and by means of intercropping of the rokietta siewna and the Apis cerana breeding for pollination under evergreen broad-leaved arbor forests or plantation forests in climate regions of preferred tropical southern subtropical rainforests and monsoon forests, the Chinese honeybee is pollinated by the middle of the planting land as stinky vegetables, the biological diversity is improved, the virtuous cycle system without fertilization, weeding and insecticide application is formed, thus the yield and the quality of the Amomum villosum Lour. are improved, the level of plant diseases and insect pests is reduced, and good economic benefits and ecological benefits are achieved.

The invention discloses a method for evaluating grape climate regionalization in a Chinese continental monsoon climate region. The method comprises the following steps: collecting data, analyzing thedata, establishing a digital elevation model, establishing a climate model and establishing a damp-heat index. Based on the digital elevation model, space calculation combining multivariate linear stepwise regression and residual interpolation is adopted, simulation errors are reduced to a great extent, it is found that the matching degree of a zoning scheme and actual cultivation conditions of all counties is extremely high through comparison with climate zoning results, the important factor of air humidity is added into the zoning scheme, the index of the damp-heat index is provided by referring to the hot index for evaluating the comfort degree of people, and the index quite conforms to the climate characteristics of China.

The invention discloses a lawn planting method specially used for an aviation flying camp. The planting method includes the following steps: sowing is performed by adopting a mixed sowing manner, andmixed grass species are selected from Bermudagrass, festuca rubra, perennial ryegrass and poa annua; a basic layer, a water discharging layer and a sand layer are sequentially arranged on the flattened and compressed land, a foundation is formed, planting soil covers the foundation, and a fertilizer is mixed in the planting soil; and lawn sowing, fertilization, watering and maintenance are performed on a soil layer to form a lawn. The special lawn provided by the invention can adapt to hard soil, only moderate irrigation is needed, greenness appears in three seasons, the lawn is resistant to trampling, the root system is firm and stable, the community is stable and the lawn has less pruning. The method provided by the invention is very suitable for temperate monsoon climate regions in highlatitudes in China (Heilongjiang, Jilin, Liaoning, and most non-desert regions in Inner Mongolia).

The invention provides a signal tower for big data artificial intelligence communication based on a 5G communication network. The structure comprises an intelligent communication signal tower base, acommunication network guiding and receiving plate, a wind-level contraction protection regulation and control device, a big data artificial intelligence communication signal tower frame and a side pressure protection plate, the top end of the intelligent communication signal tower base is fixedly connected to the bottom end of the signal tower frame for big data artificial intelligence communication in an electric welding mode. In southern coastal regions, when typhoon occurs under the influence of summer monsoon ocean current,f or a signal tower on a small island, the information exchanger can perform self-protection according to the wind power conversion of typhoon through the stage evaluation of the wind pressure by the wind stage group and the punching regulation and control of the reverse traction constant pressure mechanism on the staggered twisting and pulling mechanism, and meanwhile, the normal operation of a communication network is regulated and maintained, so that the failure rate caused by typhoon rolled objects is effectively reduced to the minimum.

The invention discloses an ecological afforestation method applicable for tropical and subtropical monsoon climate coastal areas. The ecological afforestation method comprises the following steps: (1)using Magnolia sirindhorniaem as a stock, and using Michelia shiluensis as a grafted seedling to form an ecological afforestation plant; (2) collecting mature seeds of Magnolia sirindhorniaem, and carrying out seedling cultivation; (3) transplanting seedlings to a nursery garden in gloomy and cold days; (4) cutting the trunk of Magnolia sirindhorniaem at the position of 1 to 1.3 m; (5) collectingrobust Michelia shiluensis scions, and using a grafting method to carry out grafting on Magnolia sirindhorniaem side branches; (6) carrying out conventional water and fertilizer management after grafting, and enabling the seedlings to be out of the garden one year later; (7) transplanting the grafted seedlings out of the garden for garden green planting in the tropical and subtropical monsoon climate coastal areas in the period of dormancy in November to March of next year; (8) supporting the seedlings within one year after being transplanted. By using the biological characteristics of two plants, the ecological afforestation method capable of resisting to superhigh typhoon and restoring after a disaster quickly is integrated in combination with artificial propagation technology and cultivation technology.

The invention discloses a method for testing the influence of shading on the photosynthetic characteristics of horse chestnut seedlings. The method is: S1, selection of test site: select the transition type from subtropical monsoon humid climate to temperate monsoon climate, S2, selection of test materials: Two-year-old horse chestnut sows seedlings, selects good growth, S3, photosynthesis-photoresponse curve measurement: utilize photosynthesis system to measure photosynthesis-light response curve, S4, chlorophyll content measurement: select healthy complete leaves and use acetone method to measure and Calculate the chlorophyll content, S5, data processing: compare the significance of the difference (P<0.05), S6, result and analysis: analyze the influence of shading on the leaves of the horse chestnut seedlings, S7, discuss. The test method for the influence of shading on the photosynthetic characteristics of horse chestnut seedlings, horse chestnut seedlings can adapt to a certain degree of shade, this test method only found that horse chestnut seedlings have a certain degree of negative tolerance, the test is low-cost, easy to operate and specific high sex.

The invention proposes a flat-landform blower fan optimization arrangement method for a region with the remarkable monsoon climate, and belongs to the technical field of blower fan optimization arrangement. The method comprises the steps: obtaining raw data of a wind power plant; obtaining the range of the wind power plant according to the obtained geographic information; determining the number of columns of wind generating sets according to the range of the wind power plant; determining three influence factors (an arrangement angle alpha, a deviation separation distance ratio I, and a longitudinal separation distance ratio j) of flat-landform blower fan optimization arrangement in the region with the remarkable monsoon climate, and determining the reasonable value ranges of the influence factors; carrying out related statistics and analysis according to the obtained results of an orthogonal experiment; and determining the optimal values of the influence factors, so as to obtain the optimal arrangement scheme of the wind generating sets of the wind power plant. The method solves a technical problem that how to obtain a blower fan arrangement scheme suitable for the region with the remarkable monsoon climate through the extraction of more complete main factors affecting the arrangement of the wind generating sets.

The invention discloses an alfalfa cultivation method which includes the steps: turning soil for the first time in late autumn and turning the soil for the second time in early spring; selecting proper autumn dormancy level seeds by the aid of repeated tests; applying biological organic fertilizers; seeding; draining water; returning the soil. The longitude of a local area is a 120.86-degree east longitude, the latitude of the local area is a 32.01-degree north latitude, the climate of the local area belongs to monsoon climates of subtropical zones and warm temperate zones and is gentle, the local area has four distinctive seasons, annual sun exposure is available for 2100-2200 hours, annual total radiation is 110-117 kilocalories per square centimeters, the annual average temperature is 14.6-15.1 DEG C, rainfall precipitation is 1000-1060 millimeters, the PH (potential of hydrogen) value of the soil is 6.5-6.8, about 3kg of seeds are sowed per mu for 5cm depth, and each line spacing is 10-20cm. The alfalfa cultivation method has the advantages of high yield per mu, fine grass quality, safety and no pollution.

The invention discloses an aquatic plant in-situ restoration method of a eutrophicated water body. In the subtropical monsoon moist climate region, when the ambient temperature exceeds 10 DEG C, the restoration plant Pistia is put into the eutrophicated water body and subjected to float planting; by the aid of the riverbank or existing dike of the water body, a bamboo pole fence is adopted to prevent the Pistia from diffuse randomly; the Pistia enriches nitrogen and phosphorus in the water body in the growth process; and the Pistia is periodically salved to indirectly remove the nitrogen and phosphorus eutrophicated substances in the water body, and the salved Pistia plant is recycled. The method has the advantages of obvious nitrogen and phosphorus removal effects; and the salved Pistia plant can be recycled and used as a biomass energy material for biogas fermentation, a raw material for rotting farmyard manure and a raw material for livestock / poultry cultivation feed.

The invention discloses a novel wind and wave resistance oyster breeding floating mat. The mat comprises beams, ladders and floats, and the beams, the ladders and the floats are connected through fastener combinations. According to the size of a breeding site, a plurality of beams, ladders and floats are selected and fixedly connected with one another through a connecting member group consisting of a concave fastener, a curved fastener, a floating upper clip, a floating lower clip and a convex interlocking connecting member, and the connecting members are fixed through bolts, cushion rings andscrews. In the view of the characteristics that general wind and wave in an offshore breeding area are huge, the connecting combination consisting of the curved fastener, the concave fastener, the floating upper clip, the floating lower clip and the convex interlocking connecting member are adopted, the beams, the ladders and the floats are fixedly connected through the above connecting members,a stable floating mat frame is formed, the mat has excellent wind and wave resistance, and can withstand certain levels of typhoon and long-term monsoon blowing, and the novel breeding frame for offshore oyster breeding is provided.

The invention provides a tunnel vertical shaft or inclined shaft ventilation and smoke extraction device based on monsoon. A smoke extraction channel communicating with a vertical shaft or an inclinedshaft is arranged at the top or the side upper portion of a tunnel, and the vertical shaft or the inclined shaft communicates with the outside. According to the smoke extraction device, a fire-proofsafety valve is arranged in the smoke extraction channel, a vertical shaft or inclined shaft air delivery duct with a trumpet-shaped inlet is connected to an appropriate location of the vertical shaftor the inclined shaft, the vertical shaft or inclined shaft air delivery duct is internally provided with a wind-force storage warehouse, an air door, an air compressor and a wind wheel, the air inlet end of the wind-force storage warehouse communicates with the air compressor, an automatic safety valve is arranged in the wind-force storage warehouse, the air outlet end of the wind-force storagewarehouse communicates with an upper air delivery opening and an lower air delivery opening of the vertical shaft and is provided with a wind speed control valve, the air compressor communicates withthe wind wheel positioned at a trumpet-shaped air opening position, and heat storage devices are uniformly distributed in the vertical shaft or the inclined shaft in the vertical direction of the vertical shaft. The tunnel vertical shaft or inclined shaft ventilation and the smoke extraction device can accelerate the airflow circulation speed rate in the smoke extraction channel and the vertical shaft or the inclined shaft, so that the ventilation and smoke extraction efficiency in the tunnel under a natural ventilation manner is promoted.

The invention provides a method for improving coastal heavy saline-alkali soil. The method for improving coastal heavy saline-alkali soil by carrying out mulching film coverage in autumn is based on the soil water-salt dynamic change law in the area; the condition of leaching salt by summer rainwater is fully utilized, and a low salinity level is kept through the measurement of mulching film coverage after the rainy season in autumn, so that conditions are provided to plants for safely living through a saline-alkali sensitive period in the next spring. The method provided by the invention is simple in operation and low in cost, the local monsoon climate characteristics and the soil water-salt transport law are fully utilized, and the method is a method with regional characteristics for improving the saline-alkali soil. Meanwhile, the method provides technical supports for agricultural production and vegetation construction in the heavy saline-alkali soil in the area, has remarkable economic, social and ecological benefits, and has a broad application prospect in heavy saline-alkali soil in Circum-Bohai Sea areas.

The invention discloses an abnormal siphon project involved in a monsoon rainwater automation control system, and belongs to a constituent part of a national super water conservancy project. Stored water of a cascade underground reservoir is continuously dispatched to the loess plateau, the Inner Mongolia plateau and the Xinjiang region in a graded mode; the abnormal siphon project serves as a power part to dispatch water bodies; cascade ascending pipe connecting mechanisms buried in sloping fields serve as water delivering channels, and as for each cascade ascending pipe connecting mechanism,a shield well and a horizontal pressure water delivering pipeline carry corresponding structures to form a cascade unit; the multiple cascade units are connected end to end and then connected with asealed sea storage basin on the upper part; the sealed sea storage basin is provided with water through the multiple cascade ascending pipe connecting mechanisms; after the system is filled with the water bodies through an electric pump, the abnormal siphon phenomenon is formed, and people constantly dispatch the stored water of the cascade underground reservoir to the plateaus without using any energy; and the system has two operating modes, wherein the power generation capability of the forced operating mode is much higher than that of the free operating mode.

According to an urban canopy model establishment method based on tropical island climate characteristics and provided by the invention, adjacent regions are linked together, a plurality of streets with finite lengths in the regions and mutual influence are realized, and the net radiant heat flux tropical island urban canopy model has the characteristics of high net radiant heat flux and high net radiant heat flux. In consideration of strong solar radiation and high-temperature and high-humidity climate characteristics of tropical cities and influence of monsoon throughout the year on island cities, a method for processing long-wave radiation flux, short-wave radiation flux, sensible heat and latent heat flux, street canyon wind speed, heat storage flux, man-made heat flux and horizontal heat flux is improved on the basis of an urban canopy model; and the suitability for researching the heat island effect of the tropical sea island type city is higher.

The invention relates to the technical field of crop planting, in particular to a culturing method of non-shell pumpkins. The method comprises the first step of site preparation and ridging, the second step of sprouting, the third step of seed sowing and the fourth step of field management. In the culturing method, sprouting is conducted firstly when the non-shell pumpkins are planted, the seed decay phenomenon generated after seeds are directly planted can be reduced, and the purpose of saving seeds is achieved. In planting, soil is added with organic / inorganic fertilizer and subjected to ridging processing, so that it is ensured that the fruit setting rate of the non-shell pumpkins is high and grains of the non-shell pumpkins are full. The culturing method can overcome the limitation of the rainy and wet weather condition of the subtropical monsoon climate and ensure the stable and high yield of the non-shell pumpkins.

The invention discloses a method for seedling selection of kiwi trees planted in hilly areas and belongs to the technical field of planting of kiwi. The method is improved from reforming of field, processing of seeds and planting of seedlings to realize seedling selection of kiwi trees planted in hilly areas; particularly, in the process of reforming of field, deep tillage is performed on surfacesoil and fertilizer is applied reasonablely; seeds are subjected to sand storage before being sowed and high-quality strong seedlings are cultured with substrates; in planting of seedlings, the fieldsurface is covered with ground cloth for gardens, while management on pruning is performed. The method overcomes difficulty in planting red kiwi fruit due to the facts that hilly areas always have high temperature and heavy rain and obvious character of monsoon climate and are featured by terrain of high underground water level, to provide a guarantee to good growth and high quality of kiwi fruit.

The invention relates to a rain garden suitable for monsoon climate. The rain garden includes a rain garden, an annular pool around the rain garden, a water level regulation device for regulating thewater level in the annular pool, and a rain purification and reuse device for recycling and reusing water in the annular pool. According to the rain garden, the maintenance and management effectsare good, the cost is low, and using time is long; soil hardening, rain erosion, and soil loss are prevented; within the right range is stayed throughout the year, and water circulation of the rain gardenis realized; and the problems of current waste and pollution of water storage in the rain garden in rainy season, being no available water resources in dry season, and being prone to cause plant wilting, landscape deformation and soil hardening are solved.

The invention discloses a large tonnage tower crane oversized load attachment wall structure used in the high wind environment. The large tonnage tower crane oversized load attachment structure is composed of reinforced rebar net slices, a connecting seat, steel bars, an anchor socket, finish rolling thread rebars, an attached rod and hinge pins, wherein the connecting seat and the anchor socket are fixed on the two sides of the tower wall of a main tower separately; and connecting ear plates at the two ends of the attached rod are connected with a tower crane attached frame and the connectingseat through the hinge pins. The attachment wall structure is high in bearing capacity; and a single attachment wall rod piece can bear 4000 kN, so that the arrangement quantity of the tower crane attachment wall used in the high wind environment throughout the year can be greatly reduced, the construction efficiency of the main tower is improved, the problem that the tower crane restricts the construction working efficiency of the main tower of a cable-stayed bridge in frequent monsoon and typhoon affected environment in the high wind environment is solved, the influence of the high wind environment to the construction of the main tower is greatly lowered, the construction period of the main tower of the project can be effectively ensured, and the construction cost is lowered. The largetonnage tower crane oversized load attachment wall structure is simple and novel, high in bearing capacity, definite in stress and easy to mount and has higher economic benefit and social benefit.

The invention discloses an offshore wind plant output typical scene generation method and a storage medium, and the method comprises the steps: collecting offshore wind plant output data and offshore meteorological data for detection and processing, and obtaining new offshore wind plant output data and offshore meteorological data; dividing the new offshore wind plant output data and offshore meteorological data into S seasons according to the ocean monsoon features, obtaining k weather feature indexes of the output of the offshore wind plant in the s-th season, wherein the weather features include ocean non-extreme weather and ocean extreme weather; according to the characteristic index of the ocean non-extreme weather, determining an offshore wind plant output typical scene and a probability thereof under the ocean non-extreme weather in the s-th season; and according to the characteristic index of the extreme day, determining an offshore wind plant output typical scene and a probability thereof in the s-th season ocean extreme weather. According to the method, the weather characteristic indexes influencing the output of the offshore wind plant are accurately identified through correlation analysis, and the accuracy and typicality of the selected scene are improved.

The invention discloses a GRU-based harmonic residual segmented tide level prediction method. According to the method, firstly, a site hourly astronomical tide sequence is calculated by using a tide harmonic analysis method according to long-term actually-measured tide level data of a site to be measured, the actually-measured hourly tide level sequence of the site is aligned according to time, the astronomical tide sequence is subtracted, and the hourly tide level reconciliation residual sequence is obtained; the harmonic residual error sequence is divided into two sections of samples as input variables by comprehensively considering the influence action time periods of characteristic factors such as monsoon and typhoon, two tide level residual error GRU prediction models are formed through training respectively, and a residual error prediction result sequence is obtained through calculation; and finally, the residual prediction result sequence is added to the astronomical tide sequence of the corresponding time sequence, and the tide level prediction result is obtained. According to the method, tide level prediction can be achieved only by using single-station tide long-time sequence data, participation of other factors is not needed, high-precision prediction of station tide level data is achieved, and the efficiency of the tide level prediction process is improved.