47 results about "Flood regulation" patented technology

The invention discloses an SSP scene reservoir group flood control scheduling method considering hydrological forecast uncertainty, and the method comprises the steps: obtaining SSP climate scene meteorological data to drive an SWAT model to generate daily runoff, and deducing and designing a flood hydrograph; a flow error sequence is calculated based on historical simulation and measured data, optimal distribution is optimized through fitting of a multi-probability distribution model, and a 95% confidence interval is generated through Monte Carlo simulation to correct design flood; and constructing an optimization model with the goal of minimizing the highest water level of flood regulation, bringing in various constraints, solving an optimal scheduling process by adopting a discrete differential dynamic programming algorithm, and finally refining an adaptive scheduling rule. The method solves the problems that prediction uncertainty is not considered and solving efficiency is low in the prior art, flood control safety and dispatching adaptability of the reservoir group are improved, and the method is suitable for flood control dispatching of the reservoir group under climate change.

The invention discloses a flood regulation and control two-stage reverse deduction method under a large-scale watershed complex engineering system, which comprises the following steps: S1, constructing a watershed flood deduction model: constructing a flood control engineering system joint scheduling and flood routing coupling model according to watershed water system and flood control engineering characteristics; evaluating flood influence and disaster loss based on the coupling model; s2, two-stage reverse deduction based on the flood deduction model and the intelligent optimization algorithm: constructing a calculation framework based on the flood deduction model and the intelligent optimization algorithm, iteratively optimizing and dynamically adjusting scheduling parameters such as water volume, opening degree and the like by taking the minimum overall disaster as a reverse deduction target and taking the minimum watercourse overflow and collapse and the minimum flood diversion water volume as hard constraint conditions, and calculating the overall disaster of the flood deduction model and the intelligent optimization algorithm; and reverse deduction is carried out through a reverse deduction mechanism, and an optimal scheduling scheme considering flood control safety and disaster damage control is generated. The method has the advantages that fast and refined reverse deduction can be achieved, and the actual requirements of basin flood routing refined rehearsal, engineering regulation and control scheme fast optimization generation and the like are met.

The invention discloses a method and a system for evaluating the nonlinear influence of a greenbelt landscape pattern on a rainfall flood regulation service. The method comprises the following steps: step 1, constructing a basic database; 2, processing data variables; 3, constructing a nonlinear model: taking a green land landscape pattern factor as a core explanation variable, taking a rainfall flood regulation service index as a response variable, introducing a natural environment factor and a social economic factor as control variables, training the random forest model, and constructing a rainfall flood regulation service prediction model; 4, key factors are identified, wherein the top-ranked factors are regarded as key factors playing a role in rainfall flood adjustment service; step 5, analyzing a key threshold: performing visual analysis on a nonlinear relationship between the key factor and the rainfall flood adjustment service by adopting a partial dependency graph algorithm; and by observing positive and negative influence trends and change rates of the key factors on the rainfall flood regulation service indexes in different value intervals, identifying potential key thresholds.

The invention relates to the technical field of flood control planning of water conservancy projects, and discloses a method for determining the designed flood level of a Dongting lake district, which comprises the following steps of: a) constructing a flood peak quantity joint distribution model: acquiring historical flood peak flow of a research area and flood quantity data in corresponding time periods, edge distribution fitting is carried out on the flood peak flow data and the time period flood volume data, and a Copula function is adopted to construct a joint distribution model of the flood peak flow data and the time period flood volume data; b) determining a combined recurrence period and a reasonable peak quantity combination boundary: defining and calculating the combined recurrence period of a design event based on the combined distribution model constructed in the step a), and determining a reasonable region boundary of the combination of the flood peak flow and the time period flood quantity in the combined recurrence period in combination with a preset confidence level; and c) deducing the designed flood level: selecting at least one design peak quantity combination in the reasonable area determined in the step b), obtaining the corresponding flood level through flood regulation calculation, and determining the final designed flood level in combination with the flood control guarantee rate. According to the method, by constructing the flood peak quantity joint distribution model and introducing confidence level screening reasonable combination, the scientificity and reliability of determining the design flood level of the Dongting lake area are remarkably improved.

The invention belongs to the technical field of hydraulic engineering and hydrology, and discloses a non-consistent flood frequency analysis method based on historical flood and reservoir regulation and storage, which comprises the following steps: acquiring actually measured flood data and reservoir observation data in a preset time period of a to-be-researched drainage basin, and respectively constructing an actually measured flood sequence and a reservoir flood regulation index sequence; constructing a joint distribution model according to the reservoir flood regulation index sequence and the actually measured flood sequence, determining a source function of tracing reconstruction based on the joint distribution model, and reconstructing the actually measured flood sequence into a flood reconstruction sequence which is not influenced by reservoir regulation and storage according to the source function; determining a first flood frequency curve according to the historical flood data of the to-be-studied area and the flood reconstruction sequence; and converting the first flood frequency curve into a second flood frequency curve under a non-consistency condition according to the source function so as to carry out flood frequency analysis. According to the method, the problem of flood sequence inconsistency caused by reservoir regulation and storage is solved, and the accuracy of inconsistent flood frequency analysis is improved by introducing historical flood data.

Provided is a method for configuring slope regulation and storage measures based on flood regulation and storage capacity and water consumption control, including the following steps: S1, collecting and organizing precipitation data of a basin; S2, constructing an optimized configuration model based on a balance between flood regulation and storage capacity improvement and slope water consumption control; S3, initializing settings; S4, computing an optimal comprehensive benefit of the slope regulation and storage measures with a genetic algorithm; and S5, determining whether a number of iterations is maximized; if the number of iterations is maximized, terminating an iteration and outputting data, such that a computation is completed; and if the number of iterations is not maximized, returning to the S4, and restarting the computation. The optimized configuration model of this application can resolve a balanced relationship between flood regulation and storage capacity improvement and slope water consumption control.

The invention discloses a river and lake regulation and storage system flood routing intelligent forecasting method based on a dynamic storage and discharge relation, and the method comprises the steps: constructing a space-time dynamic association diagram structure which reflects the waterpower relation of a drainage basin, and mapping multi-source hydrological data to generate a model input set with a unified space-time scale; establishing an aggregation reservoir parameterized structure model which comprises a dynamic water level-reservoir capacity relation driven by inflow change characteristics and a composite water level-flow relation integrating a time lag effect and backwater jacking feedback; constructing a flood regulation calculation equation set, and according to the real-time delay state in the composite relationship, adopting an adaptive solution mechanism to switch among different algorithm channels so as to solve the equation set; and correcting the model state by using the real-time observation data and executing rolling prediction. The method effectively solves the problems that in a complex river and lake system, dynamic characteristics of the storage and discharge relation are difficult to depict, the non-in-phase evolution process is unstable to solve, and high-dimensional parameters are difficult to calibrate, and the continuity and physical consistency of flood forecasting are improved.

The invention relates to the technical field of environmental engineering, in particular to a low-carbon emission real-time control method and device for an urban rainfall flood regulation and storage system, and the method comprises the steps: obtaining the real-time monitoring data of a target region and the operation state of the urban rainfall flood regulation and storage system; the running state of the urban rainfall flood regulation and storage system is updated according to the real-time monitoring data, it is determined that the current time period is in a target control time period according to the updated running state, the predicted rainfall capacity and predicted inflow capacity of a target area are obtained, and the target control time period comprises pre-rain control time and an in-rain control time period; if the current time period is the in-rain control time period, the opening degree state of a valve is controlled according to the predicted inflow, the available volume of the storage pond and carbon emission generated in the control process, and if the current time period is the pre-rain control time, the operation state of the pump station is controlled according to the predicted rainfall, the real-time water level of the storage pond and the carbon emission generated in the control process. Therefore, the problem that the flood control effect and low-carbon operation cannot be guaranteed at the same time in the prior art is solved.

The application provides a built hydropower station operation water level lifting method based on staged design flood, comprising: analyzing flood seasonal variation law of a target hydropower station reservoir, carrying out flood staging on the target hydropower station reservoir flood, and proposing design flood and design flood hydrograph of different periods; constructing a hydropower station reservoir area water surface line calculation model, combining the design flood of the target hydropower station reservoir to calculate the reservoir water surface line under each starting push water level of different periods; constructing a hydropower station flood regulation model, combining the design flood hydrograph of the target hydropower station reservoir to calculate the reservoir highest flood regulation water level under each starting regulation water level of different periods; based on the reservoir water surface line and the highest flood regulation water level, combing the water level lifting opportunity, the water level lifting scheme is drafted. Through the application, the problem that the existing related technology cannot fully tap the comprehensive benefits of the project is solved.

The invention relates to a footpath ditch weeding machine, and belongs to the technical field of forestry seedling cultivation machinery. The problems of soil hardening, weed overgrowing and poor drought and flood regulation capability caused by rain wash and man-machine treading of the nursery footpath ditch are solved. Comprising a transmission shaft, a main machine frame, a transmission box, a rotary tillage assembly, a footpath plough and a soil supporting shovel, the transmission box is installed on the main machine frame, and the power input end of the transmission box is in transmission connection with the power output end of a tractor through the transmission shaft; the main frame is connected with a suspension bracket of a tractor; the left end and the right end of the main rack are each provided with a rotary tillage assembly. A footpath plough is mounted on the front side of each rotary tillage assembly; the left side and the right side of the transmission box are each provided with a power output end, and each power output end is in transmission connection with one rotary tillage assembly through one coupler. Two soil supporting shovels are installed on the main machine frame and located behind the two rotary tillage assemblies respectively. The device is suitable for weeding, soil loosening, auxiliary cold protection, seedbed trimming and other operations of footpath ditches on the two sides of the seedbed.

The invention discloses a pumped storage power station flood regulation control method for water exchange between a lower reservoir sand blocking reservoir and a special reservoir, belongs to the technical field of water conservancy project and pumped storage power station flood control design, and aims to solve the problem that dynamic water exchange between the sand blocking reservoir and the special reservoir and multiple uncertain factors are difficult to process in an existing flood regulation calculation technology. Structuring and storing physical and hydraulic characteristic parameters of the power station by constructing an engineering parameter database; generating a state space set covering all potential unfavorable combinations based on a discretization principle; executing nested iterative calculation for each working condition, and dynamically calculating the water balance of the two reservoirs and the exchange flow driven by the water level difference; and finally, flood regulation high water levels of the sand blocking reservoir and the special reservoir are determined through global search. According to the method, the flood process, power generation dispatching and inter-reservoir hydraulic connection are systematically considered, the accuracy of flood regulation calculation and the engineering safety are effectively improved, and a reliable basis is provided for reservoir flood control design of the pumped storage power station with the sediment storage dam.

The invention provides a reservoir spillway flood regulation calculation method and device and electronic equipment, and the method comprises the steps: firstly selecting a reservoir original design flood hydrograph of a frequency corresponding to a target standard, then selecting a gate control working condition of a reservoir spillway, and carrying out the regulation calculation of the flood of the reservoir spillway based on the reservoir original design flood hydrograph and a reservoir original discharge capacity curve; and determining a reservoir design flood hydrograph and a reservoir discharge capacity curve corresponding to the gate control working condition, and then performing flood regulation calculation by adopting a water balance method based on the gate control working condition, the reservoir design flood hydrograph, the reservoir discharge capacity curve, the normal storage level of the reservoir and the water level storage capacity curve of the reservoir to obtain a reservoir flood regulation hydrograph. By adopting the method, the efficiency and the accuracy of reservoir flood regulation calculation can be improved, so that the working efficiency of reservoir project spillway type comparison and selection can be improved.

The application provides a method for determining a scheduling mode of reservoir flood control storage capacity released in stages at the end of flood season, and relates to the technical field of reservoir scheduling. The method comprises the following steps: collecting and arranging basic data, including hydrological and meteorological data, information of flood protection objects downstream, and data of reservoir scheduling parameters; determining a release time of reservoir flood control storage capacity based on multiple factor conditions; determining a release discrimination index of reservoir flood control storage capacity according to water level characteristics of a flood control station; carrying out risk analysis and risk atlas drawing of reservoir flood control storage capacity release; and determining a recommended flood control storage capacity release scheduling mode according to the flood control risk atlas. The application determines the release time of reservoir flood control storage capacity and the corresponding discrimination index by comprehensively considering multiple factor conditions, and draws a downstream flood control risk atlas on the basis of flood regulation calculation, and finally determines the recommended flood control storage capacity release scheduling mode in stages, which is of great significance for flood resource utilization at the end of flood season, improvement of reservoir storage guarantee rate, guarantee of downstream flood control safety and water safety.

The invention discloses a flood control project emergency disposal management method and system, and belongs to the technical field of flood control projects. The method comprises the following steps: collecting meteorological data and hydrological data; preprocessing the meteorological data and the hydrological data to obtain a complete meteorological data set and a complete hydrological data set; performing feature extraction on the complete meteorological data to obtain meteorological feature data; training a rainfall forecasting model for predicting rainfall based on the meteorological characteristic data, and generating rainfall forecasting data through the rainfall predicted by the trained rainfall forecasting model; forecasting calculation is carried out based on the complete hydrological data set and the rainfall forecasting data, and a forecasting scheme is generated; performing optimal scheme evaluation on the forecasting scheme to obtain an optimal forecasting scheme; and flood scheduling is carried out based on the optimal forecasting scheme. The flood control emergency response speed and accuracy are greatly improved.

The application discloses a flood scheduling gate operation logic anti-misoperation method and device based on rule self-learning, and particularly relates to the technical field of gate scheduling control systems. Trend results are generated by differentially determining the signs of the inflow and reservoir water level, consistency checking is performed in combination with the discharge variation direction and gate opening instruction to form an effective instruction sequence; the residual space amount of the downstream sensitive area is calculated, and the channel impact coefficient is generated in combination with the discharge impact amount and channel conditions; on this basis, the over-limit channel flow is reduced and distributed to the normal channel to form a rechecked sharing result. The application can realize trend dynamic judgment and instruction direction matching, guarantee discharge adjustment and hydrological condition consistency, and through the closed logic of reduction and distribution, the multi-channel flow sharing structure is optimized, the gate adjustment sequence logic is set according to the gate operation principle of the power station design, automatic matching of the discharge and gate adjustment is realized, and the situation of lower gate operation order is prevented.

The invention discloses an intelligent water conservancy multi-modal perception and decision optimization system, and relates to the technical field of urban water network security, and the system comprises a multi-modal perception and fusion module which is used for generating a comprehensive perception data flow; the intelligent diagnosis and early warning module is used for carrying out abnormal feature extraction and event positioning on the comprehensive perception data flow and generating a preliminary diagnosis result; carrying out risk research and judgment to obtain an early warning risk result; the physical constraint risk deduction module is used for deducing by utilizing the physical constraint solving model to generate a risk evolution field; the multi-objective cooperative control module is used for constructing a multi-objective optimization function, reinforcing a learning framework by utilizing a meta-strategy gradient, and generating a cooperative scheduling strategy; the digital twinning and strategy rehearsal module is used for constructing a water network twinning body; and performing verification and screening by using a bidirectional state synchronization mechanism, and outputting an optimal decision set. According to the invention, the core problems of difficult positioning of pipe network aging, low multi-source monitoring precision, rainfall flood regulation lag and the like in urban water network management can be solved.

The invention discloses a rainfall flood regulation and storage efficiency evaluation method and a related device, and relates to the technical field of data analysis, and the method comprises the steps: calculating the rainfall depth based on the rainfall scene parameters of a target region; determining a first maximum water storage depth of a blue space in the target area, and calculating a first net water storage volume of the blue space based on the first maximum water storage depth and the rainfall depth; determining a second maximum water storage depth of a green space in the target area based on a runoff curve method so as to analyze a second net water storage volume of the green space; determining the runoff volume of the impervious surface in the target area, and calculating a rainfall flood regulation and storage efficiency index based on the runoff volume, the first purified water storage volume and the second purified water storage volume; and comparing the rainfall flood regulation and storage efficiency index with a preset threshold value, and determining classification information of the rainfall flood regulation and storage efficiency based on a comparison result. According to the method, the calculation cost of a complex hydrological model and excessive simplification of an empirical parameter method are avoided, and efficient and accurate urban rainfall flood regulation and storage efficiency evaluation and classification are realized.

A sponge facility spatial layout optimization method for urban community rainfall flood regulation and storage comprises the steps that firstly, multi-source data of a research area is collected, sub catchment subareas are divided, hydrological parameters are extracted, the current annual rainstorm runoff process is simulated through an SWMM model, and the regulation and storage requirements of all the sub catchment subareas are calculated; 2, two-dimensional hydrodynamic simulation is carried out through an SWMM coupling LISFLOOD-FP model, and a ponding depth distribution diagram is obtained. And 3, based on the multi-source data and the ponding depth distribution map, combining sponge facility layout conditions, constructing a suitability evaluation system, generating a comprehensive suitability score map, and dividing priority areas. And 4, constructing a regulation and storage target equation according to the regulation and storage demand and the suitability score map, solving a facility area combination meeting the regulation and storage demand, and screening out a minimum cost scheme. And 5, performing multi-objective optimization on the facility layout in combination with the ponding depth distribution diagram and the priority region, and screening out an optimal layout scheme. According to the method, the optimal facility layout is provided for each sub catchment area, and the regulation and storage efficiency and the space adaptability of sponge facilities are effectively improved.

The invention relates to the technical field of flood regulation, and discloses an underground space flood regulation and storage structure which comprises a bottom plate, side walls, retaining walls and partition walls, the side walls are sequentially connected end to end and fixedly connected with the bottom plate to form a basement, the retaining walls are sequentially connected end to end and fixedly connected with the bottom plate, and a fertilizer groove is defined by the side walls and the bottom plate. A plurality of partition walls are arranged in the fertilizer tank and divide the fertilizer tank into a primary sedimentation flood storage bin, a secondary sedimentation flood storage bin and a filtering flood storage bin, a water inlet pipe communicated with a municipal sand well is arranged on a retaining wall of the primary sedimentation flood storage bin, a flap valve is arranged in the water inlet pipe, and a fine grid is arranged between the primary sedimentation flood storage bin and the secondary sedimentation flood storage bin. And an activated carbon filtering block is arranged between the secondary sedimentation flood storage bin and the filtering flood storage bin. Compared with the prior art, the foundation pit fat groove cavity around the basement is permanently reserved as the distributed flood storage bins, the water storage space can be flexibly allocated by means of the multiple flood storage bins under the extreme waterlogging working condition, the municipal drainage pressure is relieved, and the flood control toughness is enhanced.

The present application relates to the technical field of flood control optimal scheduling, in particular to a reservoir group flood control optimal scheduling method and system based on quadratic programming, the method comprising the following steps: according to the water conservancy facilities and hydrological elements in the basin, the system sorts out the spatial distribution of key nodes and their hydraulic connection, constructs a flood control scheduling topological network, and obtains a reservoir group flood control optimal scheduling topological graph; a reservoir group flood control optimal scheduling quadratic programming model is established according to the reservoir group flood control optimal scheduling topological graph; based on the MINOS library of GAMS, the least gradient method and quasi-Newton method are used to optimize and solve the reservoir group flood control optimal scheduling quadratic programming model. The present application couples the propagation of flood between reservoir groups in the mathematical equation set, avoids complex simulation sequential coding, is easy to model, has good universality, and the model is easy to seek an optimal solution, can balance the reasonable scheduling of the flood control capacity, peak shaving effect and reservoir storage capacity of the reservoir, and improve the accuracy and efficiency of flood regulation.

The application discloses a kind of river and lake regulation system flood evolution intelligent prediction method based on dynamic storage and discharge relationship, comprising: constructing the space-time dynamic correlation graph structure reflecting the hydraulic connection of basin, mapping multiple-source hydrological data to generate the model input set of unified space-time scale;Establish an aggregated reservoir parameterization structure model, including the dynamic water level-storage relationship driven by inflow variation characteristics, and the composite water level-flow relationship integrating the time lag effect and backwater jacking feedback;Construct flood regulation equation set, according to the real-time time lag state in the composite relationship, switch between different algorithm channels to solve the equation set using adaptive solving mechanism;Use real-time observation data to correct model state and perform rolling prediction.The application effectively solves the problems of difficult to describe the dynamic characteristics of storage and discharge relationship in complex river and lake system, unstable solution of non-same phase evolution process and difficult to determine high-dimensional parameters, and improves the continuity and physical consistency of flood prediction.

The invention belongs to the technical field of fuel cells, and particularly relates to a flooding regulation and control method and regulation and control device of a fuel cell system and the fuel cell system.The method comprises the following steps that operation parameters of a closed fuel cell are obtained; calculating water saturation data according to the operation parameters, wherein the water saturation data at least comprises a water saturation distribution result and a water saturation decline rate; comparing the water saturation distribution result with a water flooding threshold value of the closed fuel cell, and determining a high water flooding area in the closed fuel cell; liquid water in the high-water-flooded area is discharged, and the reaction gas introduction rate is adjusted according to the water saturation decline rate. According to the invention, directional and dynamic regulation and control of water logging can be realized, and the stability and durability under variable working conditions are improved; and meanwhile, the internal water saturation distribution of the closed fuel cell is quantified in real time, and the core field quantity is directly used as a regulation and control basis, so that accurate regulation and control based on an internal real water flooding state are realized, and the defect of misjudgment of macroscopic parameters is avoided.

This invention provides a method for determining dual control indicators for concrete dam deformation considering flood control risk, comprising the following steps: S1, Determination of deformation monitoring indicators based on the low-probability method: using measured data as a monitoring sequence, establishing a sample of typical effect sizes; assuming and testing the sample distribution to obtain the sample distribution function; using the design flood control risk as the failure probability, and employing the low-probability method to obtain the concrete dam deformation monitoring indicators; S2, Determination of deformation rate monitoring indicators considering flood control risk: determining the design flood control risk and performing flood regulation calculations in conjunction with the design flood standard; establishing a statistical model and performing regression analysis; calculating the rate of change of water pressure components, and taking the maximum value of the rate of change of water pressure components as the deformation rate monitoring indicator under the design flood standard. This method determines the concrete dam deformation monitoring indicators and deformation rate monitoring indicators, enabling timely monitoring of dam deformation when the reservoir water level rises rapidly, and preventing the monitored dam deformation from exceeding the determined deformation monitoring indicators.

The application discloses a rain flood regulation and storage efficiency evaluation method and related device, and relates to the technical field of data analysis, the method comprises the following steps: calculating rainfall depth based on rainfall scenario parameters of a target area; determining the first maximum water storage depth of blue space in the target area, calculating the first net water storage volume of the blue space based on the first maximum water storage depth and the rainfall depth; determining the second maximum water storage depth of green space in the target area based on the runoff curve method to analyze the second net water storage volume of the green space; determining the runoff volume of the impervious surface in the target area, calculating the rain flood regulation and storage efficiency index based on the runoff volume, the first net water storage volume and the second net water storage volume; comparing the rain flood regulation and storage efficiency index with a preset threshold, and determining the classification information of the rain flood regulation and storage efficiency based on the comparison result. The application avoids the calculation cost of a complex hydrological model and the excessive simplification of an empirical parameter method, and realizes efficient and accurate evaluation and classification of the urban rain flood regulation and storage efficiency.

The application discloses a flood control scheduling simulation method and system suitable for multi-stage series-parallel cascade reservoirs, and comprises the following steps: collecting and sorting basic data; extracting a river network and dividing sub-basins, generating a topological structure based on series-parallel connection relationship of the cascade reservoirs, and performing standardization processing; based on the topological structure relationship of the cascade reservoirs, constructing a model based on three-layer nested loops, and realizing simulation of the cascade reservoirs' flood storage and flood regulation process from upstream to downstream; setting a scheme, simulating the cascade reservoirs' flood control scheduling process under different schemes, and performing scheme comparison analysis and effect evaluation. The application makes full use of data bottom plate and rainfall monitoring information, can be adapted to cascade reservoirs with complex series-parallel connection relationship such as series connection, parallel connection or mixed connection, realizes simulation of the cascade reservoirs' flood forecasting and flood control scheduling process, provides reliable guarantee for scientifically and reasonably formulating a cascade reservoir scheduling scheme, and provides technical support for improving the flood control and disaster reduction capacity.

The invention discloses a decision-making method for flood control and super storage application of a reservoir. The decision-making method comprises the steps of collecting engineering characteristic data and design data of the reservoir; preliminarily analyzing the dam front water level upper limit of flood control and super storage application of the reservoir; reservoir area backwater simulation calculation is carried out, and reservoir area on-way water surface lines under different dam front water level conditions are calculated; on the basis of the reservoir area along-way water surface line, the flooding loss of the reservoir area is calculated, and a response relation curve of the dam front water level-reservoir area flooding loss is constructed; carrying out reservoir flood regulation simulation calculation, calculating the reducible flood diversion quantity of the downstream flood control protection object after the reservoir super storage is applied to different water levels before the dam, and counting the correspondingly reduced flood diversion loss; based on the relationship between the downstream reduced flood diversion loss and the increased flooding loss of the reservoir area, a super-storage application decision is developed; according to engineering characteristics and design data of the cascade reservoirs, the method for quickly deciding the rationality of the super-storage application of the reservoirs is given, so that the method conforms to actual scheduling application characteristics of the reservoirs, and support can be provided for real-time scheduling decision.

The application discloses a gate scheduling optimization method considering reservoir flood discharge process homogenization, and comprises the following steps: reservoir gate group object-oriented modeling; specific gate object instantiation; gate group combination use rule modeling; reservoir flood control scheduling rule modeling and flood regulation calculation; gate group opening degree combination initial result set calculation; and gate group opening degree combination result set optimization adjustment. The application improves the accuracy of the reservoir flood control scheduling calculation process, makes the gate scheduling calculation closer to the actual situation, and realizes the intellectualization, practicality and convenience of the flood control decision.

The invention discloses a method for quantitatively evaluating the influence of the pattern change of a watershed ecosystem on a wading function. The method comprises the following steps: constructing an SWAT model; performing watershed discretization and HRU (hydrological response unit) division, parameter setting and model operation, and calibrating and verifying the model; replacing ecological system types of forests, grassland and wetlands in the land utilization data with bare lands, and operating the watershed hydrological model again; carrying out watershed hydrological process simulation under different land utilization scenes to obtain corresponding rainfall, evapotranspiration, runoff depth, water yield and river runoff; the basin water source conservation amount is calculated; the water yield is obtained; a standardized runoff index is calculated through the runoff volume of the river channel, and flood / drought occurrence months are counted. The method provided by the invention can quantitatively evaluate the influence of the pattern change of the main natural ecosystem on the watershed water source conservation effect, the water production effect, the flood regulation and storage and the drought relief effect, and provides theoretical support for scientific management, protection and recovery measures of the watershed ecosystem.

The invention relates to the technical field of reservoir dispatching, and provides a quick algorithm for dynamic reservoir capacity of a variable backwater area of a river-type reservoir, comprising the following steps: acquiring basic parameters of the river-type reservoir; the initial water level, the end water level, the initial storage flow and the end storage flow in the flood regulation process are obtained; based on the starting water level and the ending water level, static reservoir capacity changes are calculated according to the basic features of the river; determining a starting natural water level and an ending natural water level from the dam site natural water level and flow relation curve based on the starting reservoir flow and the ending reservoir flow; calculating an initial water return length and an end water return length based on the initial water level, the end water level, the initial natural water level, the end natural water level and the river channel gradient; and based on the initial water return length, the ending water return length, the initial storage flow, the ending storage flow, the initial water level and the ending water level, calculating dynamic storage capacity change by using a parabolic water return curve equation, and calculating the ratio of the dynamic storage capacity change to static storage capacity change.

The application discloses an integrated simulation method for flood evolution, characterized in that the method comprises the following steps: sketching the plane profile of ground objects in a research area, identifying and classifying the ground objects; performing fine modeling of the ground objects in the research area; performing time-space numerical discretization of two-dimensional control equations describing water flow movement on a calculation grid, and constructing a two-dimensional water dynamic solver; establishing a ground object calculation module of a river channel and towns along the river channel / retaining and detention flood storage areas, and a connection calculation module; establishing a time-space connectivity control module of the river channel and the towns along the river channel / retaining and detention flood storage areas, and performing simulation of flood evolution and regulation of the river channel and the towns along the river channel / retaining and detention flood storage areas at a time step; saving the results of a water flow plane physical field, a cross-section water level and a flow process calculated by a flood pre-forecast cooperative work system in a hard disk, and performing flood regulation analysis and evaluation. The application has the advantages of good stability, high reliability, high calculation efficiency and strong universality.