39 results about "Cyanobacteria bloom" patented technology

The invention discloses a long and narrow river cyanobacterial bloom information identification method and system based on remote sensing data, and the method comprises the following steps: selecting a remote sensing image in a research region range through a CEE cloud platform, and carrying out the preprocessing of the remote sensing image; a Sentinel-2 satellite image and a Landsat satellite image are respectively utilized to detect a cloud layer in the preprocessed remote sensing image within a cloud cover threshold value; based on a detection result, removing cloud pixels from the preprocessed remote sensing image to obtain a cloud-removed image; analyzing the cloud-removed image by using the improved normalized difference water body index, and determining the threshold change range of the water body in each image of the cloud-removed image so as to realize the recognition of the water body area; identifying cyanobacterial bloom information in the water body area by using a floating algae index method, and determining a threshold change range of cyanobacterial bloom in each image so as to realize identification of distribution characteristics of cyanobacterial bloom; according to the method, the accuracy and flexibility of narrow and long river cyanobacterial bloom information identification are remarkably improved.

The invention relates to the technical field of data processing, and discloses an intelligent monitoring method and system for cyanobacterial bloom outbreak. The method comprises the following steps: collecting a water surface spectrum and underwater particle size data, carrying out atmospheric correction, calculating a normalized algae index and a blue-green wave band ratio, inputting the normalized algae index and the blue-green wave band ratio into a U-Net network to obtain a water bloom coverage area, carrying out integral interpolation on the particle size data to obtain a vertical section distribution curve, and calculating a surface layer enrichment degree and a floating trend index, and establishing a water surface-underwater association relationship through random forest regression training, and inputting the multi-dimensional features into a CNN-LSTM model to predict a water bloom outbreak probability and determine an early warning level. According to the method, the problem that the cyanobacterial bloom three-dimensional structure cannot be comprehensively described due to the lack of effective fusion of the water surface spectral data and the underwater vertical section data is solved, the problem that the early warning timeliness of cyanobacterial bloom outbreak is insufficient due to the lack of a multi-source data time sequence analysis model is solved, and the spatial integrity and early warning advance of cyanobacterial bloom monitoring are improved.

The embodiment of the invention is suitable for the field of environment monitoring of computer vision, and provides a cyanobacterial bloom monitoring method based on multi-modal data fusion and deep learning, in the monitoring method, after obtained initial data is preprocessed, variation point detection is introduced to reduce human factor interference, reduce the calculation amount and enhance the model adaptability; according to the method, a convolutional neural network (CNN) is utilized to extract multi-layer features, the features are input into a long short-term memory (LSTM) network for time sequence modeling, the model performance is improved, on the basis, the features of the CNN and the LSTM are fused, and the model accuracy is further improved; finally, variation point detection is introduced again, rich feature information and multi-mode complementarity are utilized, image key information is enhanced, and detection precision and model robustness are improved. The monitoring method provided by the embodiment of the invention breaks through the limitation of spatial-temporal characteristic splitting of a traditional method, significantly improves the prediction continuity and accuracy, and provides high-reliability support for early warning of cyanobacterial bloom.

The invention discloses a cyanobacterial bloom early warning method and system based on cladocerans. The method provided by the invention comprises the following steps: S101, based on basic geographic information of a target water area, collecting a remote sensing image of the target water area; s102, judging the distribution range of cyanobacterial blooms in the target water area according to the remote sensing image of the target water area; s103, if the cyanobacterial bloom exists in the target water area, removing a water area corresponding to the cyanobacterial bloom in the target water area to obtain a water area to be sampled, dividing the water area to be sampled into at least one first sampling point, and collecting the cladocera density of the at least one first sampling point; and S104, performing early warning on cyanobacterial bloom according to the relationship between the cladocera density and a preset threshold value. By combining a remote sensing technology and a sampling technology, the water body can be accurately monitored, so that a basis is provided for treatment and early warning of cyanobacterial bloom.

The invention discloses a rapid emergency intelligent treatment method and system for lake algal bloom outbreak, and belongs to the technical field of water environment governance, and the treatment method comprises the steps that a plurality of long-strip-shaped standard enclosure pieces are sequentially connected end to end to form an enclosure, and an algal bloom outbreak area is surrounded; geographic position information and water chlorophyll concentration information are obtained through a monitoring device in the enclosure and transmitted to a cloud processing platform, and the cloud processing platform plans a driving route according to the geographic position information and determines the dosage of a flocculating agent and a biological inhibitor according to the chlorophyll concentration; the unmanned ship loads a flocculating agent and a biological inhibitor in sequence according to the respective dosage, and enters the enclosure along the driving route to be thrown after each time of loading. Through combined application of the semi-open enclosure and an intelligent system, the whole treatment process is more efficient and convenient, the labor cost is reduced, and a more scientific, efficient and economical solution is provided for treatment of cyanobacterial bloom.

The present application relates to a cyanobacteria bloom treatment ship and a treatment method, the cyanobacteria bloom treatment ship comprises: a main hull and a floating body located on both sides of the main hull, a propeller is arranged under the floating body; a water quality monitoring device is arranged on the main hull, the water quality monitoring device comprises: a protective cover, a winding machine, a steel cable, a motor, and a water quality monitoring sensor, the water quality monitoring sensor is connected to the other end of the steel cable, the motor is used to drive the winding machine to wind or release the steel cable, and the steel cable can pass through the limiting hole at the bottom of the protective cover; an ultrasonic algae control device is also arranged on the main hull, the ultrasonic algae control device comprises: an electric telescopic rod and a plurality of ultrasonic transducers, one end of the electric telescopic rod is connected to the ultrasonic transducer. The scheme provided by the present application can detect the growth period of cyanobacteria in the water area, and adjust the working mode of the ultrasonic transducer in real time according to the different growth periods of cyanobacteria, which is conducive to better control of the number of cyanobacteria and improve the water quality in the water area.

The invention provides a cyanobacterial bloom prediction method and system based on satellite remote sensing and weather forecast. The method comprises the following steps: selecting an optimal meteorological factor according to different contributions of meteorological factors accumulated in 1-7 days to cyanobacterial bloom outbreak; taking the optimal meteorological factor and the ATBI wave band as prediction model input; and constructing a prediction model based on a Bayesian theorem principle. According to the scheme provided by the invention, a Chinese large lake cyanobacterial bloom short-term prediction model based on the Bayesian theorem can be constructed by taking a cyanobacterial bloom monitoring result of a large lake and meteorological factor data as main data sources, and pixel scale prediction of cyanobacterial bloom in multiple days in the future is realized.

The invention provides a fixed cyanobacterial bloom collector, and relates to the technical field of cyanobacterial bloom collection, the fixed cyanobacterial bloom collector comprises a collector shell, the collector shell is provided with a cyanobacterial inlet, a steel wire mesh is installed in the collector shell, an inclined screen type filter is arranged above the steel wire mesh, and the inclined screen type filter is fixedly connected with the collector shell; a collecting assembly is installed on the outer side of the collector shell, a drainage groove is formed in the bottom of the collector shell, a water inlet is formed in the drainage groove, a submersible water impeller is installed on the inner side of the drainage groove, a first drainage pipe is installed on the collector shell and communicated with an inner cavity of the drainage groove, and an air flotation assembly is installed between the drainage groove and the steel wire mesh. The cyanobacterial bloom collecting device is simple in overall structure and convenient to use, efficient and automatic cyanobacterial bloom collecting is achieved through the matched design of the inclined screen type filter, the air floating assembly, the floating hose and the collecting assembly, and the common problems of low efficiency and manual intervention in manual or semi-automatic equipment are solved.

The utility model provides a lake cyanobacterial bloom control process system. The system comprises an ultra-nano gas dissolving and reoxygenation mechanism, filter-feeding fishes and fish nests, wherein the filter-feeding fishes and the fish nests are arranged in a cyanobacterial bloom water area; the ultra-nano gas dissolving and reoxygenation mechanism comprises an ultra-nano gas dissolving and reoxygenation system, an oxygen generation unit connected with the ultra-nano gas dissolving and reoxygenation system, a submersible pump connected with a water inlet of the ultra-nano gas dissolving and reoxygenation system, and a water outlet pipe connected with a water outlet of the ultra-nano gas dissolving and reoxygenation system; the water outlet end of the water outlet pipe is arranged in a cyanobacterial bloom water area. According to the lake cyanobacterial bloom control process system provided by the utility model, dissolved oxygen is increased through technologies such as ultra-nano gas dissolution and reoxygenation, and biological control of filter-feeding fishes and fish nests is matched, so that water quality can be effectively improved, cyanobacteria can be inhibited, and an environment-friendly and sustainable solution is provided for lake management and water resource protection.

The cyanobacterial bloom salvaging device comprises a rubber boat, the top of the rubber boat is fixedly connected with a sewage collecting pool, the rear side of the sewage collecting pool is fixedly connected with a lifting mechanism, the top of the front side of the lifting mechanism is fixedly connected with an air flotation machine, and the air flotation machine is fixedly connected with a water outlet of the air flotation machine. A slag scraping plate is fixedly connected to the top of the air flotation machine, a shovel plate is fixedly connected to the front side of the top of the sewage collection tank, a traction rope roller is arranged in the middle of the top of the rear side of the sewage collection tank, and a positioning mechanism is fixedly connected to the middle of the rear side of the sewage collection tank; by arranging the rubber boat, the sewage collection tank, the air flotation machine, the slag scraping plate, the shovel plate, the traction rope roller and the positioning mechanism, efficient salvage and collection of cyanobacterial blooms are achieved; an operator only needs to float the whole device on the surface of a water pool through a rubber boat, and cyanobacterial blooms are conveyed into a sewage collection pool through a shovel plate and separated through an air flotation machine.

The present invention discloses a strain of Saccharothrix violaceirubra NBAL-S001 and its application. The Saccharothrix NBAL-S001 of the present invention is isolated from soil, and its fermentation liquid can inhibit the photosynthesis of harmful algae blooms - Microcystis aeruginosa, and has a very high algae-dissolving effect, with a 5-day algae-dissolving rate of up to 97%. The Saccharothrix NBAL-S001 of the present invention is a biological control strain with potential development and application value in preventing and controlling cyanobacterial blooms.

The invention provides application of a macleaya cordata extract as a plant source algaecide in cyanobacterial bloom treatment, and relates to the technical field of plant source algaecide product development and environmental protection. The total alkali content of the macleaya cordata extract is 50-80%, and the main effective components of the macleaya cordata extract comprise 40-60% of sanguinarine and 10-20% of chelerythrine. The blue-green algae comprise microcystis aeruginosa, anabaena, nematonema, synechocystis, oscillatoria and nostoc. As a plant source in China, the macleaya cordata has great development and utilization values, has the advantages of wide antibacterial spectrum, no drug resistance, no residue, good safety, wide distribution and the like, and has great development prospects.

The present application relates to a kind of blue-green algae bloom ground multispectral remote sensing monitoring system and method, to solve the technical problems such as low resolution and weather influence of satellite remote sensing to inland lake blue-green algae bloom monitoring frequency low, this system Ground multispectral remote sensing observation subsystem includes electric control box, ground support, setting on two-dimensional turntable of ground support and blue-green algae bloom multispectral camera fixedly set on two-dimensional turntable;Blue-green algae bloom multispectral camera contains at least 4 spectral bands;Ground multispectral remote sensing service subsystem includes control acquisition module and data processing analysis module.The method includes calibration to blue-green algae bloom multispectral camera, start ground multispectral remote sensing monitoring system;Record the multispectral image of multiple angles of entire lake area;Multispectral image data analysis extraction;With the change trend of satellite remote sensing data comparison;Repeat the operation of recording multispectral image, according to the result of comparative analysis gives blue-green algae bloom warning.

The invention relates to the technical field of cyanobacteria treatment, and in particular to a method and application of a Spartina alterniflora extract for inhibiting cyanobacteria blooms. The method comprises the steps of preparing a Spartina alterniflora extract, adding the Spartina alterniflora extract into a cyanobacteria growth environment, wherein the concentration of the Spartina alterniflora extract is 0.5-10 g / L. The invention uses the Spartina alterniflora extract to inhibit cyanobacteria blooms, thereby promoting resource utilization of the invasive plant Spartina alterniflora and treating cyanobacteria blooms. Meanwhile, the treatment process of cyanobacteria blooms is environmentally friendly and will not cause secondary pollution to water bodies, thereby providing better help for sewage treatment in China, reducing the environmental burden, and improving the high efficiency and greenness in the environmental treatment process.

The present invention discloses algicidal Shinella algicida and its application. The present invention provides a new species of Shinella algicida, specifically Shinella algicida SD203, whose deposit number in the General Microbiological Center of China Microbiological Culture Collection Administration Committee is CGMCC No.25922. Shinella algicida SD203 can lyse cyanobacterial cells, and can be applied to biological control of cyanobacterial growth, and has broad application prospects in the treatment of eutrophic sewage (cyanobacterial bloom).

The utility model relates to the technical field of cyanobacterial bloom treatment, and discloses cyanobacterial bloom prevention and control equipment which comprises a base, a tank body is fixedly connected to one side of the upper end of the base, a water pump is fixedly connected to a liquid outlet of the tank body, a hose is fixedly connected to the output end of the water pump, and supporting frames which are opposite front and back are fixedly connected to the other side of the upper end of the base. A threaded rod is rotationally connected to the inner wall of the top end of the supporting frame on one side, a first servo motor for driving the threaded rod to rotate is fixedly connected to the upper end of the supporting frame, a threaded sleeve is in threaded connection to the outer side of the threaded rod, and a spraying box is fixedly connected to the front end of the threaded sleeve. Through cooperation of the tank body, the water pump, the hose, the supporting frame, the threaded rod, the first servo motor, the threaded sleeve, the spraying box and the spraying head, the effect of evenly spraying a biological agent to blue-green algae is achieved, and therefore the blue-green algae growth environment can be destroyed, and the long-time prevention and treatment effect is achieved.

The invention discloses a preparation method and application of algicidal bacterial powder of pseudomonas, and relates to the technical field of microorganisms. Pseudomonas HB01 is separated from bottom mud in a cyanobacterial bloom environment, and the pseudomonas HB01 is applied to treatment of cyanobacterial bloom in lakes by utilizing the characteristic that bacterial liquid containing the pseudomonas HB01 has good algae-lysing activity. The separated pseudomonas HB01 has a good algae-lysing effect on microcystis aeruginosa, the removal rate within 72 hours can reach 85% or above, and the pseudomonas HB01 also has good performance on other common water bloom algae.

The invention relates to a cyanobacterial bloom early warning method and device, a storage medium and a system.The cyanobacterial bloom early warning method comprises the steps that a plurality of monitoring nodes are arranged on a target water surface, monitoring data including optical image data and spectral data are collected through monitoring equipment of all the monitoring nodes, and image features of cyanobacterial bloom are extracted from the optical image data; according to the method, the spectral features of the cyanobacterial bloom are extracted from the spectral data, the image features and the spectral features are input into the pre-trained cyanobacterial bloom early warning model, the cyanobacterial bloom occurrence probability is obtained, and when the cyanobacterial bloom occurrence probability is larger than the target threshold value, early warning information can be sent to the terminal in time, so that the timeliness and accuracy of cyanobacterial bloom early warning are improved.

The invention relates to the technical field of cyanobacteria treatment, in particular to a cyanobacteria bloom treatment device which comprises a treatment ship body used for treating cyanobacteria bloom and further comprises a connecting block located at the bow of the treatment ship body; the cyanobacterial bloom treatment mechanism is installed on one side of the connecting block principle treatment ship body, and the cyanobacterial bloom treatment mechanism is used for collecting cyanobacterial blooms after spraying a bactericide to the water surface of the cyanobacterial blooms; according to the cyanobacteria bloom treatment device, the effect that a bactericide fully reacts with cyanobacteria bloom is achieved, so that the effect of rapidly killing cyanobacteria is achieved, and after the bactericide is evenly sprayed, the effect of rapidly collecting dead cyanobacteria can be achieved through the cyanobacteria bloom treatment mechanism. The dead blue-green algae on the water surface and in the water are fully collected, the dead blue-green algae sinking into the water are prevented from consuming dissolved oxygen, and the water quality is further protected.

The present invention relates to the field of microbial engineering technology, and specifically discloses a composite microbial agent for controlling cyanobacterial blooms. The Bacillus velezinoff provided by the present invention destroys algal cells and inhibits the activity of related biological enzymes by secreting heterocyclic algaecidal active substances, while causing the leakage of cell contents (such as algal toxins, polysaccharides, and lipids); the extracellular enzyme system (such as alkaline phosphatase and β-glucosidase) of Sphingomonas decomposes free algal toxins into low-toxic linear peptide segments, while hydrolyzing the β-1,4-glycosidic bonds in EPS, converting algal organic fragments into small-molecule soluble substances, and providing substrates for subsequent metabolism of Rhodococcus; the lipase and esterase secreted by Rhodococcus can hydrolyze triglycerides and wax components, and convert fatty acids into energy and biosurfactants through a β-oxidation pathway, thereby enhancing the hydrophilicity of algal fragments and promoting overall degradation efficiency.

The utility model discloses a cyanobacteria bloom emergency disposal device relates to cyanobacteria treatment technical field, including collection box and filter box, the both sides of collection box lower end are both fixedly provided with drain hole, the two filter box is fixed on the both sides outer wall of collection box lower end, and the filter box is fixed on the both sides outer wall of collection box lower end. A water inlet pipe is fixedly arranged at the lower end of the side, close to the collecting box, of the filtering box, one end of the water inlet pipe is inserted into the drainage hole, and a drainage pipe is fixedly arranged at the upper end of the side, away from the collecting box, of the filtering box. A U-shaped plate is fixedly arranged in the middle of the upper side of the collecting box, an electric push rod is fixedly arranged at the top of the U-shaped plate, the tail end of a piston rod of the electric push rod extends to the inner side of the collecting box, a rotating rod is rotationally arranged on the front side of the tail end of the piston rod of the electric push rod, and a pressing plate fixedly sleeves the rod wall of the rotating rod. The cyanobacterial bloom collecting device can conduct compression treatment on collected cyanobacterial bloom, more cyanobacterial bloom can be collected at a time, and the round-trip frequency is reduced.

This application relates to the field of data processing technology and discloses an intelligent monitoring method and system for cyanobacterial blooms. The method includes: collecting surface spectral and underwater particle size data and performing atmospheric correction; calculating the normalized algal index and blue-green band ratio, then inputting the calculated data into a U-Net network to obtain the bloom coverage area; integrating and interpolating the particle size data to obtain the vertical profile distribution curve and calculating the surface enrichment and buoyancy trend index; establishing the surface-underwater correlation through random forest regression training; and inputting the multidimensional features into a CNN-LSTM model to predict the bloom probability and determine the warning level. This application solves the problems of insufficient effective fusion of surface spectral data and underwater vertical profile data, which prevents a comprehensive depiction of the three-dimensional structure of cyanobacterial blooms, and the lack of a multi-source data time-series analysis model, which leads to insufficient timeliness of bloom warnings. It improves the spatial integrity and early warning lead time of cyanobacterial bloom monitoring.

To provide a novel combined treatment method for cyanobacteria bloom, which relates to a technical field of an environmental management.SOLUTION: A combined treatment method of the present invention includes: (1) an agglomeration step of calculating a volume of a water body, adding polyaluminum chloride powder in the amount of 5 to 10 ppm, mixing thoroughly with water before adding the polyaluminum chloride powder to completely dissolve the powder, and spraying evenly along a water surface; (2) a stirring step of moving a boat back and forth across the water surface to uniformly mix the added polyaluminum chloride with lake water; and (3) a sonication step of, after leaving the same for a certain period of time, performing ultrasonic treatment by moving back and forth across a surface of the water body using a mobile ultrasonic treatment device. The present invention can quickly remove cyanobacterial cells and maintain a control effect for a longer period, thereby achieving a purpose of treating dispersed cyanobacterial blooms.SELECTED DRAWING: Figure 1

The application provides a ship-mounted water bloom cyanobacteria collecting device, which comprises a ship body, algae-water separation nets are fixed on both sides of the ship body, a collecting opening is arranged at the tail of the algae-water separation net, a valve is arranged on the collecting opening, the collecting opening is communicated with a collecting cabin through an algae conveying pipe, a suction pump is connected to the algae conveying pipe, and the collecting cabin is arranged at the tail of the ship body; the algae-water separation net is carried on the ship body of an existing ship in a water bloom area, cyanobacteria are collected during the sailing of the ship, and the algae-water separation net is taken down and stored after the collection operation is completed, the collection efficiency of the cyanobacteria is significantly improved, and the problem that manual fishing of the water bloom cyanobacteria is time-consuming and labor-consuming is solved; based on the filtering principle, the algae-water separation nets with different aperture diameters are selected and matched according to different types of cyanobacteria bloom, and the collection and separation of the cyanobacteria bloom can be carried out in a targeted manner; the problem of blockage of the stainless steel screen is solved to a certain extent by the mode that a clean brush is driven by an impeller to clean the algae-water separation net, and the algae-water separation efficiency is further improved.

The invention discloses potamogeton malabaricus phyllosphere attachment bacteria ML5 with algae-lysing activity and application of the potamogeton malabaricus phyllosphere attachment bacteria ML5, and belongs to the technical field of ecological microorganisms. The bacterium ML5 is named as Priesta aryabhattai ML5, the strain is preserved in Guangdong Province Microbial Culture Collection Center located at No.100, Xianlie Middle Road, Guangzhou City, Guangdong Province, the preservation number is GDMCC No: 65778, the preservation date is January 13, 2025, and the strain can be separated from potamogeton malabaricus phyllosphere. The invention further provides a microbial algicidal preparation containing the potamogeton malabaricus phyllosphere attached bacterium ML5. The method is used for biological prevention and control of freshwater cyanobacterial bloom, especially invasion cyanobacteria cuscuta larakii, and has a wide application prospect.

The invention provides application of closantel compounds in inhibition of growth of blue-green algae, and relates to the technical fields of environmental protection, aquaculture and the like. The cyanobacteria fructose 1, 6-diphosphate / sedoheptulose-1, 7-diphosphatase enzyme body experiment shows that the closantel compound has a relatively good inhibition effect on cyanobacteria Cy-FBP / SBPase, and the IC50 of the closantel compound is 0.16 + / -0.01 [mu] M to 15.3 + / -1.7 [mu] M. The cyanobacteria growth inhibition experiment shows that the EC50 for inhibiting various cyanobacteria is 0.46-14.52 [mu] M, which is superior to the current commercial algicide prometryn, and has the safety to human bodies, so that the closantel compound can be used as an effective component of the algicide to be applied to comprehensive treatment of cyanobacteria bloom, and has a good application prospect in the comprehensive treatment of cyanobacteria bloom. The application field of the closantel compound is also widened.

The present invention provides an unmanned boat system for automatically delivering medicines and a control method for the unmanned boat system, which relates to the technical field of automatic control systems. A mathematical analysis model is constructed according to water quality measurement data through a calculation module to simulate the water flow field distribution and the blue algae concentration distribution through the mathematical analysis model; the water flow field distribution and the blue algae concentration distribution are optimized and analyzed by an optimization module using a preset optimization algorithm to determine the target delivery route and the target delivery amount corresponding to each medicine; the unmanned boat is controlled to sail along the target delivery route through a control module; and the medicine delivery device is used to automatically deliver medicines in batches according to the target delivery amount corresponding to each medicine. The present invention can significantly reduce the workload of medicine delivery, reduce the disturbance caused by artificial delivery of medicines, and can improve the system complexity and the control accuracy of automatic delivery of multiple medicines in batches, thereby significantly improving the treatment effect of blue algae blooms.

The present invention provides a high-algae water treatment system with ecological regulation function and an application method, which relates to the technical field of water body management. The present invention includes an ecological module, an interception module, a capture module and an irrigation module. Aiming at the problem of blue algae blooms in water bodies and floating in the water body, the interception module is used to intercept and fence the key problem water areas into a salvage area with a smaller range and more concentrated blue algae. The high-algae water collection device of the capture module is used to collect the high-algae water, and the collected high-algae water is sent to the irrigation module to irrigate the fertilization area. This can not only effectively solve the impact of the accumulation of blue algae blooms in the water area, but also treat and consume the high-algae water in a more direct and streamlined way, and at the same time, a more benign ecosystem environment is constructed, which has multiple benefits and values.

The present invention relates to the field of environmental monitoring technology, and specifically to a multi-source satellite high-temporal-spatial-resolution monitoring method for cyanobacteria blooms in Lake Taihu, comprising a Rayleigh correction method based on a 6SV radiation transfer model and a high-temporal-spatial-resolution cyanobacteria bloom monitoring method based on data fusion. The present invention applies a flexible spatiotemporal-data fusion method to generate FAI index information with high spatiotemporal-resolution. Benefiting from the high temporal-resolution characteristics of geostationary satellites, it can provide timely early warnings and information on the diurnal changes of cyanobacteria in Lake Taihu to environmental monitoring departments and scientific research departments around Lake Taihu, which is beneficial for local departments to promptly carry out cyanobacteria bloom prevention and control and cyanobacteria bloom outbreak cause analysis. At the same time, based on the high-spatial-resolution cyanobacteria bloom distribution map generated by the flexible spatiotemporal-data fusion method, it is possible to timely observe small-scale cyanobacteria bloom outbreaks and reduce missed judgments of cyanobacteria bloom outbreaks.

The application provides a water source cyanobacteria bloom online monitoring and early warning system, which is suitable for the technical field of cyanobacteria bloom monitoring and early warning and comprises an online monitoring and early warning chain, wherein the online monitoring and early warning chain comprises a plurality of unit online monitoring members; the unit online monitoring member comprises a fluorescent probe detection device and an outer protective cover; the fluorescent probe detection device is divided into a detection clamp cavity in the outer protective cover; a water inlet annular groove is reserved at the top of the outer protective cover, and a sampling cover is arranged outside the water inlet annular groove; a water pump is installed on the outer protective cover; the water pump draws water on the water surface of the water source to the outer protective cover, and then the water enters the water inlet annular groove and the detection clamp cavity, and is monitored by the fluorescent probe detection device; the water on the water surface of the water source around the unit online monitoring member is real-timely drawn to the unit online monitoring member, the cyanobacteria on the calm water surface can be accurately and timely monitored and early warned, and subsequent scientific response can be facilitated.