179 results about "Environment water" patented technology

The invention relates to the technical field of error correction, in particular to a water conservancy facility environment interference error correction method and device based on multi-dimensional data. The method comprises the following steps: collecting historical monitoring logs of water conservancy facilities, carrying out environmental disturbance event identification and multi-scale disturbance relevance mining, and constructing an environmental disturbance space-time relevance map; monitoring surrounding environment water monitoring parameters of the water conservancy facility, performing sequential response trend change analysis and dynamic response characteristic modeling, and constructing a facility environment personalized change response portrait; identifying a plurality of water body position monitoring data according to the surrounding environment water body monitoring parameters, and constructing a hydrodynamic full-field sensing graph; and performing nonlinear correlation analysis based on the hydrodynamic full-field perception graph and the personalized change response portrait of the facility environment, and constructing a digital twinborn model of the water conservancy facility under the water flowing condition. According to the invention, through dynamic error trend analysis and correction, the monitoring precision and monitoring stability of the water conservancy facility are improved.

The invention belongs to the technical field of environmental water quality pollution monitoring, and particularly relates to a drainage basin water environment monitoring and emergency pollution rapid tracing method and system based on water quality pollution detection, and the method comprises the following steps: constructing a multi-parameter cooperative monitoring model, and carrying out the training and deployment; through distributed sampling points and sampling stations, real-time data with verification marks and time-sharing data of watershed water environment water quality pollution detection are collected; mLP and LSTM / GRU models are adopted, EEM spectrum data and environment characteristics are fused, and multi-source heterogeneous data are fused and analyzed; whether an emergency pollution event occurs or not is automatically identified according to a preset condition, the pollution types and traceability results of water environment monitoring and emergency pollution are automatically output, manual further checking is carried out, and environmental law enforcement checking is carried out. According to the invention, drainage basin water environment pollution condition monitoring and emergency pollution rapid tracking and tracing can be completed in a large-range, low-cost and high-efficiency manner so as to support environment law enforcement.

The invention discloses a method and system for detecting trace organic pollutants in a water body, and relates to the field of environmental water body detection.The method comprises the steps that environmental parameters of a target water body sample to be detected are collected, and baseline spectral data of the target water body sample are obtained; determining disturbance operation parameters matched with the target water body sample, and applying micro-disturbance to the target water body sample according to the disturbance operation parameters to obtain disturbance response spectral data; performing time sequence differential analysis on the disturbance response spectral data and the baseline spectral data to obtain a disturbance response residual error spectrum, and identifying an optimal response characteristic wavelength from a characteristic response wavelength interval of the target trace organic pollutants based on the disturbance response residual error spectrum; and solving the concentration correction model according to the optimal response characteristic wavelength, the disturbance operation parameters and the environmental parameters to obtain the concentration of the target trace organic pollutants. Therefore, the detection sensitivity and the anti-interference capability of trace organic pollutants in the water body sample are improved.

The invention relates to the field of water quality monitoring, in particular to a water area environment water quality on-line intelligent monitoring device and method, and the water area environment water quality on-line intelligent monitoring device comprises a shell, a defoaming mechanism and a monitoring mechanism; a water inlet and a water outlet are formed in the shell, and a water flow channel is formed in the shell; a water inlet valve is mounted at the water inlet; the defoaming mechanism comprises a negative pressure cylinder arranged in the shell and a piston assembly arranged in the negative pressure cylinder; the piston assembly moves upwards to suck the water flow channel to negative pressure, bubbles in water flow are promoted to be separated out, the pressure difference between the two sides of the water inlet valve is increased, and the water flow is promoted to enter the water flow channel through the water inlet valve. The opening threshold value of the water inlet valve is adjusted according to the gas amount in the water flow, so that new water flow enters from the water inlet valve when the piston assembly sucks the water flow channel till the absolute value of the negative pressure is large enough, and the separation effect of bubbles in the original water flow and the new water flow in the water flow channel is guaranteed. And the water quality monitoring accuracy of the monitoring mechanism is improved.

The invention provides a method for detecting PFAS based on a three-dimensional Ag / NiFe-LDHs surface enhanced Raman scattering substrate and ion pair extraction, and belongs to the technical field of PFAS detection.The method comprises the steps that firstly, the three-dimensional Ag / NiFe-LDHs SERS substrate is prepared, then ion pair extraction-dissociation treatment is conducted on a water sample to be detected, a detection solution is obtained, finally, the substrate is immersed in the detection solution for adsorption, and finally the detection solution is obtained. A spectrum is collected through a Raman spectrometer, and semi-quantitative detection of PFAS in a water sample is achieved according to the linear relation between the characteristic peak intensity and the PFAS molar concentration logarithm. According to the method, collaborative application of the three-dimensional Ag / NiFe-LDHs SERS substrate and an ion pair extraction technology and indirect detection of PFAS are realized, the detection difficulty that PFAS Raman signals are weak and are difficult to enrich is improved, the detection sensitivity and adaptability of PFAS in a water sample are improved, and an application foundation is laid for rapid monitoring of PFAS pollution of an environmental water body.

The invention relates to the technical field of water conservancy control, and discloses a water conservancy gate cooperative control method and system, and the method comprises the steps: fusing the real-time operation parameters and environmental hydrological parameters of a water conservancy gate, and obtaining a dynamic feature data set; identifying the interaction relationship between the water level and the flow velocity parameter, and constructing a hydraulic association network; determining a leading gate and an auxiliary gate based on the network edge weight, and generating an initial control instruction sequence; a control effect data set is formed by monitoring actual data and an operation state of opening degree adjustment; analyzing a control deviation between the control effect data set and an expected control target to correct an action time sequence and an opening parameter in the gate coordination rule to obtain an optimal control strategy; a gate cooperation rule in the optimization control strategy is fed back to the construction process of the hydraulic association network, and the judgment standards of the main gate and the auxiliary gate are updated; the cooperative control efficiency of the water conservancy gate can be improved.

The invention relates to the technical field of geological disaster monitoring, in particular to a geological disaster real-time monitoring platform and method based on intelligent AI. The method comprises the following steps: acquiring multi-source monitoring data; analyzing the multi-source monitoring data, and determining the stability of the soil body; determining soil body characteristic parameters based on soil body stability; obtaining environmental hydrological data, and determining a geologic structure dynamic response mode according to the environmental hydrological data; and determining a geological disaster risk level according to the soil body characteristic parameters and the geological structure dynamic response mode. Soil body characteristic parameters are determined, quantitative indexes of building specificity are provided, and customized risk assessment is supported. The method comprises the following steps: acquiring environmental hydrological data, determining a dynamic response mode of a geologic structure according to the environmental hydrological data, capturing real-time behavior characteristics of the geologic structure under environmental change, and identifying a weak area of the geologic structure. And according to the soil body characteristic parameters and the geological structure dynamic response mode, determining the geological disaster risk level, realizing building level early warning, and quantifying the risk evolution rate.

The invention discloses a confocal laser microscope detection method for micro-plastic surface biofilm components and biomass, and belongs to the field of micro-plastic pollution monitoring. The method comprises the following steps: carrying out stratified sampling and polymer component identification on micro-plastic in an environmental water body; the method comprises the following steps: marking algae, blue-green algae, bacteria and extracellular polymeric substances in a biological membrane through specific fluorescent staining, carrying out high-resolution three-dimensional imaging by utilizing a confocal laser microscope, and realizing batch quantitative analysis of each component of the biological membrane by adopting ImageJ software. The technical problems that an existing detection method is insufficient in parameter dimension, evaluation result deviation is caused only based on partial component quantification, and the influence of the overall structure of the biological membrane on the micro-plastic migration behavior cannot be truly reflected are solved. According to the method, the biomass and spatial distribution of each component of the biological membrane can be comprehensively and accurately quantified, the accuracy of analyzing the vertical migration mechanism of the micro-plastic is improved, and multi-dimensional data support is provided for ecological risk assessment.

The invention discloses a method for enriching and extracting free glutamic acid from an environmental water body and / or sediment. The method combines freeze drying, mechanical grinding, chemical extraction, cation exchange resin purification and low-temperature concentration. According to the method, the extraction efficiency, the yield and the purity of the free glutamic acid can be remarkably improved, sample background interference and glutamic acid degradation are avoided, and glutamic acid can be separated from other amino acids possibly existing in a sample, so that the purpose of enrichment extraction is achieved. Meanwhile, the method is easy and convenient to operate, efficient in extraction, capable of being used for on-site rapid treatment, wide in raw material source, low in cost and wide in application prospect in the field of environment analysis and ecological monitoring.

The utility model relates to an enhanced denitrification device for a microbial electrolysis constructed wetland. The enhanced denitrification device comprises a constructed wetland system, an electrolysis system and an intelligent control system, the constructed wetland system comprises a water distribution area and a constructed wetland reaction area; a water inlet device is arranged in the water distribution area, and the water distribution area is communicated with the constructed wetland reaction area through the water inlet device; wherein an electrolysis system and an intelligent control system are also arranged in the constructed wetland reaction zone. The device has the advantages that the removal of pollutants, mainly nitrogen, of the constructed wetland is enhanced by mainly utilizing external voltage in the electrolysis system 2, and the water inlet flow, the external voltage and the distance between the electrodes can be adjusted according to the intelligent control system 3, so that the surface hydraulic load of the constructed wetland and the current intensity in the wetland are controlled; and the two systems cooperate to enhance the removal of pollutants, especially nitrogen, of the constructed wetland, so that the pollutants in water are efficiently removed, the water quality of discharged wastewater is improved, and the environmental water quality is improved.

The invention discloses a magnetic limited phosphorus-doped photocatalyst as well as a preparation method and application thereof, and belongs to the field of functional materials for pretreatment of environmental chemical pollutants. The preparation method comprises the following steps: preparing magnetic Fe3O4.TiO2 by adopting a microwave method, and introducing a C18 modified carbon framework material and phosphate ions by taking the magnetic Fe3O4.TiO2 as a matrix to prepare the magnetic limited-access phosphorus-doped photocatalyst. The magnetic limited phosphorus-doped photocatalyst disclosed by the invention has the ultrahigh saturated adsorption capacity of a C18 modified carbon framework material, the instantaneous solid-liquid separation capacity and the efficient photocatalytic degradation capacity of nano titanium dioxide modified magnetic ferroferric oxide and the synergistic photocatalytic performance of phosphate; the problem that a traditional photocatalyst is poor in adsorption capacity is fundamentally solved, and the photocatalyst has more advantages in the aspects of adsorption removal and photocatalytic degradation of bisphenol organic pollutants in an environmental water sample.

The application discloses a complex environment water level monitoring system and method based on heterogeneous light field cooperation, which is characterized in that: a water gauge image is segmented from a water gauge point cloud and a joint external parameter; the water gauge image is further segmented after image enhancement, and the tilted water gauge is corrected; the intensity of the water gauge point cloud is accumulated, and the water level line is obtained through the maximum gradient method; the corrected water gauge image is detected by using a target detection algorithm to detect digital characters, the character recognition algorithm is used to perform OCR recognition on the detected digital characters, and the water level value is calculated according to the digital characters, the water level line and the water gauge image. Through the combination of laser radar and visible light field, the reflection characteristics of different materials are utilized, so that the water level in the complex environment of a river channel, a reservoir and a coast can be monitored in real time. The interference of floating objects and weather factors on water level detection is effectively avoided, and the accuracy and robustness of water level monitoring are significantly improved.

This invention belongs to the field of analytical detection technology and relates to a method for detecting estradiol using a combination of organometallic framework enrichment and enzyme-linked immunosorbent assay (ELISA). A magnetic organometallic framework solid-phase extractant is used to enrich estradiol in the sample, followed by detection of the enriched estradiol using ELISA. The magnetic organometallic framework solid-phase extractant is prepared by subjecting mercaptoacetic acid-modified Fe3O4 particles, zirconium salt, and 2-amino-terephthalic acid to a solvothermal reaction at 110–130°C for 22–26 hours. The detection method provided by this invention has advantages such as short detection time, high sensitivity, good specificity, and high accuracy, thereby enabling the detection of trace amounts of estradiol in environmental water samples.

The invention belongs to the technical field of toxicity tests, and discloses a method for evaluating zebra fish developmental toxicity by single or combined use of fluopyram and tebuconazole. The method is simple, efficient and accurate, through a combined toxicity test and a single pesticide test, reference data is conveniently increased according to the influence of different environments and different medicaments on animals, the influence of pesticides on zebra fish development is calculated according to the death rate and the median lethal concentration of zebra fish embryos, the data is reasonably analyzed and processed, and the method is suitable for popularization and application. The problems that related evaluation standards formulated by depending on a single effect are not accurate and cannot truly reflect the change of the real environment quality are avoided, the environmental risk of effectively evaluating the pollutants in the environmental water body is improved, and an environmental threshold value safer for aquatic organisms is formulated conveniently.

The invention belongs to the technical field of environmental hydraulics, and relates to a carbon transportation characteristic research method and device under reservoir dispatching operation and computer equipment, and the method comprises the steps: constructing a reservoir three-dimensional carbon transportation monitoring network, and obtaining the basic data of a carbon transportation process; based on the basic data, constructing a hydrodynamic force-water quality coupling model for simulating the carbon transportation process, and verifying the hydrodynamic force-water quality coupling model by using monitoring data; quantifying scheduling operation characteristics, and extracting scheduling characteristic parameters influencing carbon transportation; establishing a carbon flux accounting model considering the scheduling influence, and quantifying the influence of scheduling on carbon income and expenditure; establishing a quantitative relationship between the carbon transport characteristic parameters and the scheduling characteristic parameters; and scheduling optimization evaluation is carried out based on carbon environment constraints, a carbon target is incorporated into a scheduling optimization system, and a low-carbon scheduling scheme is proposed. The method has systematicness and dynamics, realizes quantitative evaluation of carbon transportation, and has practicability; the method can be popularized to other types of water body carbon cycle research, and has expansibility.

The invention discloses a solid fluorescent material based on a tetraphenylethylene derivative and application of the solid fluorescent material in water content detection. On the basis of the special structure and functional design of a hydrogen bond organic framework, the spatial distribution and interaction mode of structural solvents (such as dimethyl sulfoxide and DMSO) and adsorption solvents (such as methanol, water and acetone) in the framework are accurately controlled, and on the premise that the integrity of a crystal structure is kept, the preparation method is simple and easy to implement. And reversible exchange and real-time optical monitoring of solvent molecules in the pore channels are realized. The material can generate obvious fluorescence color change (467-602nm) along with the change of the environmental water content, and has the advantages of high response speed, high sensitivity, good thermal stability and good recycling performance.

This invention belongs to the field of microbial technology and discloses the application of *Lactobacillus plantarum* P101 in the adsorption and removal of nanoplastics in environmental water. The *Lactobacillus plantarum* P101 strain is deposited at the China Center for Type Culture Collection (CCTCC), accession number CCTCC NO: M 2021108, deposit date January 19, 2021. This strain exhibits an adsorption rate of ≥85% for nanoplastics with a particle size of 100-1000 nm. The strain was isolated from fermented sauerkraut. The *Lactobacillus plantarum* P101 provided by this invention demonstrates significant adsorption capacity for nanoplastics in both live and inactivated states, which is of great significance for the environmental remediation of nanoplastics.

The invention is applicable to the technical field of colorimetric detection, and provides a bisphenol A colorimetric detection method based on copper-based nano enzyme. The copper-based nano-enzyme with laccase-like activity is prepared in an alkaline water phase system through a one-step method by taking low-price natural plant protein-zein as a ligand, divalent soluble copper salt as a metal precursor and hydroxylamine and the like as a reducing agent. The copper-based nano enzyme is superior to natural laccase in the aspects of catalytic activity, substrate affinity and stability, and bisphenol A can be catalyzed to be oxidized to generate quinone compounds; the quinone compound is further subjected to a coupling reaction with 4-aminoantipyrine, and a red product with a remarkable characteristic absorption peak at the wavelength of 510 nm is generated. The quantitative analysis of bisphenol A can be realized by measuring the absorbance of the system at 510nm. The method has the advantages of high sensitivity, low detection cost, simplicity and convenience in operation and the like, and is suitable for rapid detection of bisphenol A in drinking water and environmental water.

The invention relates to the field of water quality monitoring, and discloses a float-type environmental water quality monitoring device which comprises a floating block, a filter separation net is arranged at the bottom of the floating block, a plurality of water quality detection elements are arranged at the bottom of the floating block, the filter separation net is used for protecting the water quality detection elements, and the water quality detection elements are used for detecting the water quality condition. An air suction cutting device is arranged in the floating block; a cutting piece in the air suction cutting device ascends and descends to cut aquatic plants on the surface of the filtering separation net, aquatic plant root systems attached to the surfaces of the filtering separation net and the water quality detection element are reduced, and therefore the detection accuracy is improved, and errors are reduced; a second round block is driven by a cleaning part in the anti-adhesion device to clean the surface of the water quality detection element, and adhered objects on the water quality detection element are taken away through bubbles, so that the accuracy and the use precision are improved.

The application discloses a kind of dual-mode optical probes based on Zn-MOFs and preparation and detection method of HOCl and H2O2, belongs to analysis and environmental monitoring field.The application is synthesized by simple "one-pot method" one-step dual-target detection optical probe BNBD@Zn-MOFs, selects 2,2-bipyridine-5,5-dicarboxylic acid (H2bpydc) and 2-amino benzimidazole (2-AMI) as organic ligand, wherein 2-AMI is as recognition unit can realize the visual colorimetric detection of HOCl, i.e.after adding HOCl, the color of probe solution can be judged by naked eye from light yellow to purple, and BNBD fluorophore can be specifically detected H2O2, and the effective encapsulation of Zn-MOFs to BNBD constructs the sensitive selective monitoring sensing platform of HOCl and H2O2 in environmental water sample.

The invention discloses an intelligent research and judgment system for power grid environment water conservation compliance based on multiple modes and a knowledge graph, and the system comprises an environment water conservation law and regulation knowledge graph construction module which converts an unstructured environment water conservation law and regulation text into a structured knowledge graph; a multi-source space-time alignment and data fusion module; a multispectral semantic understanding and violation feature extraction module; the knowledge graph driven compliance reasoning and studying and judging module is used for carrying out compliance reasoning and studying and judging on the violation characteristic facts based on the knowledge graph and outputting violation events and risk indexes; and an interpretable rectification report generation and dynamic early warning module. According to the method, based on further analysis and research on existing technical problems, unstructured regulation provisions are converted into structured constraint rules and entity relationships by constructing a computable and reasonable environment-water protection regulation knowledge graph, so that a machine can directly understand and apply the regulation, the efficiency and accuracy of regulation retrieval, association and application are improved, and the working efficiency is improved. And the manual dependence is reduced.

The application provides a kind of marine environment underwater robot path planning method and system, comprising: based on ROS Melodic, Gazebo11 and UUV Simulator, high-fidelity marine environment simulation platform is constructed, global path planning module uses improved algorithm in the high-fidelity marine environment simulation platform searches the feasible path of underwater robot from starting point to target terminal, obtains global reference path, with global reference path as guide, local path planning module obtains local optimal path through multi-stage processing flow, in global-local collaborative framework, through hierarchical intelligent cooperation mechanism, global optimal path is obtained. By constructing high-fidelity environment simulation platform, integrating spatial sampling path planning algorithm, establishing multidimensional verification system, realizing the accurate evaluation of algorithm performance, getting rid of the dependence of path planning on physical experiment, shortening the development cycle.

A kind of bird behavior and water quality coupling driven machine learning adaptive feeding device and its use method.The present application relates to ecological environment engineering technical technical field, disclose a kind of bird behavior and water quality coupling driven machine learning adaptive feeding device including adaptive feeding system decision module and feeding device module;The adaptive feeding system decision module is composed of AI camera, polysilicon solar panel, wireless communication module, battery, data processor and water quality sensor, the AI camera, polysilicon solar panel, wireless communication module, battery, data processor and water quality sensor are all installed on stainless steel support, the AI camera is located at the top of stainless steel support.The present application is automatically monitored by double-layer machine learning architecture, bird population density, behavior characteristics and environmental water quality, dynamically optimizes feeding strategy, realizes the self-adapting control of feeding amount, avoids the water pollution and food waste caused by excessive feeding, and reduces the endogenous release pollution caused by bird fight and food fight.

The utility model relates to a water body pumping device for environmental water quality detection, and belongs to the technical field of environmental detection.The water body pumping device comprises a support, a liquid pumping mechanism is installed on the support, the liquid pumping mechanism comprises a base, a motor, a rotating frame, a hose and a top cover, the base is fixed to the support, and a containing cavity is formed in the base; the motor is arranged at the lower end of the base, and a rotating shaft of the motor is contained in the containing cavity of the base. The disposable built-in water pumping hose is adopted, after sampling is finished every time, the top cover is taken down, then the used hose is taken out, thrown away and replaced with a new hose, during replacement, the extrusion part on one side needs to be taken out in advance, the hose is conveniently and flatly placed in the containing cavity, and then the rotary frame is rotated to enable the extrusion part on the other side to be pressed on the hose, so that sampling is completed. And the just detached extrusion piece is mounted again, so that the next water quality detection precision can be ensured.

The present disclosure provides a colorimetric nanosensor for detecting trace-levels of Hg2+ in environmental water, which is composed of Fe7S8 nanosheets, glutathione or its aqueous solution, 3,3′,5,5′-tetramethylbenzidine colorimetric solution, H2O2 aqueous solution, and NaAc-Hac buffer. The preparation method of Fe7S8 nanosheets is as follows: FeCl2·4H2O and CH4N2S are dissolved in ethylene glycol in a mass ratio of (2˜3):1, heated at 200° C. for 10˜15 hours, cooled, centrifuged, washed, and dried to obtain. The colorimetric nanosensor of the present disclosure can quickly and sensitively determine the trace-levels Hg2+ in environmental water. The colorimetric nanosensor of the present disclosure does not rely on large detection instruments, and the nanozymes used is low-cost, stable, and recyclable. It has important practical significance for accurate, fast, and low-cost detection of trace-levels of Hg2+ in environmental water.

The utility model discloses a portable SO3 < 2-> / S < 2-> form analysis device in an environmental water sample. The device comprises a chemical gas phase generation assembly, a micro-plasma reactor and a visual colorimetric detector, the chemical gas phase generation assembly comprises a reaction bottle with an open end and a cover body covering the open end of the reaction bottle in a sealing manner, the reaction bottle is provided with an argon introducing pipe and a gas phase discharging pipe, and the other end of the gas phase discharging pipe is connected to the gas inlet end of the micro-plasma reactor; the exhaust end of the micro-plasma reactor is connected with an exhaust pipe, and the other end of the exhaust pipe is connected to the air inlet end of the visual colorimetric detector; the visible colorimetric detector comprises a transparent colorimetric reaction chamber, and a fluorescein derivative which is subjected to a color fading reaction with SO2 is arranged in the transparent colorimetric reaction chamber. The portable SO3 < 2-> / S < 2-> morphological analysis device in the environmental water sample can be used for field detection, and is simple and quick to operate.

The application provides a method for detecting PFAS based on a three-dimensional Ag / NiFe-LDHs surface enhanced Raman scattering substrate and ion pair extraction, and belongs to the technical field of PFAS detection, and comprises the following steps: first, a three-dimensional Ag / NiFe-LDHs SERS substrate is prepared; then, ion pair extraction-dissociation treatment is performed on a water sample to be measured to obtain a detection solution; finally, the substrate is immersed in the detection solution for adsorption, a spectrum is collected by using a Raman spectrometer, and semi-quantitative detection of PFAS in the water sample is realized according to the linear relationship between the characteristic peak intensity and the logarithm of the molar concentration of PFAS. The application realizes the synergistic application of the three-dimensional Ag / NiFe-LDHs SERS substrate and the ion pair extraction technology and the indirect detection of PFAS, improves the detection difficulty of weak PFAS Raman signals and difficult enrichment, improves the detection sensitivity and adaptability of PFAS in the water sample, and lays an application foundation for rapid monitoring of PFAS pollution in environmental water.

This application discloses a composite fiber membrane and its preparation method, relating to the field of composite material technology. The preparation method includes: in-situ modification of a composite fiber membrane precursor with stearic acid to obtain the composite fiber membrane; the composite fiber membrane precursor is a polypropylene carbonate fiber membrane loaded with zinc oxide nanostructures. The composite fiber membrane proposed in this application, through in-situ modification of the polypropylene carbonate fiber membrane loaded with zinc oxide nanostructures using stearic acid, imparts hydrophobic properties to the composite fiber membrane. This prevents the rapid erosion of the zinc oxide nanostructures by environmental water molecules in humid environments, avoiding the problem of explosive release and rapid depletion of zinc ions in a short time, ultimately leading to antibacterial failure.

The application provides a coupling coordination degree analysis method of a water resource-water environment-water ecology-water disaster correlation system, and the method comprises the following steps: collecting and screening key factors of the water resource-water environment-water ecology-water disaster correlation system, analyzing the space-time variation characteristics of the key factors, establishing an index evaluation system of each correlation system, determining the weight of the index system of each correlation system, and analyzing the coupling coordination degree of the water resource-water environment-water ecology-water disaster correlation system. The method realizes quantitative decoupling of the coupling coordination degree between the four systems of water resource, water environment, water ecology and water disaster, and is beneficial to improving the comprehensiveness of water resource evaluation.

The invention relates to an ecological environment water treatment device and method applied to the field of water treatment. The ecological environment water treatment device comprises a flow dividing box, a plurality of T-shaped branch pipes and a plurality of hydrodynamic cavitators, wherein a water inlet pipe is arranged at one end of the flow dividing box; the T-shaped branch pipes are fixed and communicated with the flow dividing box; blocking pieces are connected into the transverse pipes of the T-shaped branch pipes in a sliding mode, the blocking pieces slide along the axes of the transverse pipes of the T-shaped branch pipes, when the blocking pieces slide to the positions corresponding to the positions of the vertical pipes of the T-shaped branch pipes, the communicating positions of the vertical pipes of the T-shaped branch pipes and the transverse pipes are blocked, and the length of the blocking pieces is larger than the diameter of the communicating positions of the vertical pipes of the T-shaped branch pipes and the transverse pipes; the transverse pipes of the plurality of T-shaped branch pipes are internally and rotatably connected with reciprocating lead screws, the reciprocating lead screws penetrate through the plugging piece and are used for driving the plugging piece to slide in a reciprocating manner, one end of each reciprocating lead screw rotatably penetrates through the closed end of the transverse pipe of the corresponding T-shaped branch pipe, and by adopting the structure, the purposes of reducing equipment loss during water treatment and meeting the continuous water treatment requirement can be achieved.