58 results about "Ecological process" patented technology

The invention discloses a data assimilation method for monitoring soil moisture. The method provided by the invention at least comprises an assimilation cycle, and each assimilation cycle comprises the following steps: (1) an ecological process model serves as a dynamic model to stimulate the space distribution state of soil moisture every day, the initial value in the dynamic model is an initial parameter and an initial soil moisture data, and the dynamic model is operated to output simulative soil moisture data; remotely sensed data on the soil surface is performed with inversion to obtain surface layer soil moisture data; the simulative soil moisture data in the remotely sensed data corresponding date is combined with the surface layer soil moisture data obtained by remotely sensed data inversion for data assimilation so as to obtain an optimized ecological process model parameter; (2) the optimized parameter is substituted into the dynamic model in step (1) to operate the dynamic model so as to obtain simulative soil moisture data every day. The method provided by the invention can connect soil moisture variety with vegetable physiological response mechanism by water deficit and stress, which improves the precision of field soil moisture monitoring and drought evaluation and has important application prospect.

The invention discloses a method for measuring soil water content, which comprises the following steps of: S1, calculating a TVDI (Temperature Vegetation Dryness Index) by utilizing remote sensing data of visible light and near infrared and thermal infrared wave bands to obtain a first TVDI characteristic space; S2, setting different soil water contents according to ground meteorological observation data, then, inputting the data of the soil water contents into an ecological process model, and calculating vegetation temperature and surface temperature under the condition of different soil water contents; S3, inputting vegetation structural parameters and soil water contents into a radiation transmission model, and calculating a reflective spectrum of the visible light and the near infrared wave bands of vegetations under the condition of different soil water contents; S4, calculating the TVDI according to the vegetation temperature, the surface temperature and the reflective spectrum of the visible light and the near infrared wave bands to obtain a second TVDI characteristic space, and then carrying out slope division on the second TVDI characteristic space; S5, establishing a quantitative relationship equation between a slope and the soil water content Y; and S6, obtaining a space continuous coverage soil water content distribution result. The method for measuring the soil water content disclosed by the invention is capable of quantitatively measuring the soil water content and is high in precision.

The invention provides a method for remote sensing and estimating woodland soil organic carbon. As image elements of a remote sensing image of a woodland vegetation-covered area are manifested to be the spectral signature of vegetation, and a remote sensing image vegetation index NDVI is the vegetation index which is applied most widely at present, is most applicable, and can be widely applied to the estimation study of the primary productivity of the vegetation. For this, according to the method, by means of a CASA ecological process model, when the NDVI remote sensing data utilizing the high-resolution remote sensing image for reflecting regional difference are applied to a traditional soil organic carbon estimating model, model parameters with the spatial heterogeneity are simplified into constants, the defect of lowering the estimation precision is overcome, a relation model of the soil organic carbon storage amount and soil foundation breathing is set up according to the soil foundation breathing coefficient having the close relation with the soil organic carbon storage amount, and the remote sensing and estimating study of the woodland soil organic carbon can be achieved.

The invention provides a forestry carbon accounting method based on an ecological process model. The forestry carbon accounting method based on the ecological process model comprises the following steps of S1, determining a plant physiological parameter, S2, setting a spatial interpolation, S3, building a forestry carbon accounting model, S4, building an interference module, and S5, determining a model initial state. According to the forestry carbon accounting method based on the ecological process model, the interference module is provided for simulation of land use changes and felling, dynamic changes of forest carbon cycles of the Szechwan province and influence caused by different interferences can be truly reflected, simulation is more accurate, rapid and accurate compilation of greenhouse gas emission inventories relevant to forestry of different levels of China and provinces, and the compilation process is perfect, and meets the international requirements.

The invention provides a lake and reservoir eutrophication early warning method based on data assimilation. The method comprises obtaining satellite remote sensing data monitored at a point in time inthe study area; establishing the hydrodynamic water quality and aquatic ecological process model of the study area; the data assimilation algorithm being used to realize the assimilation of the modelresults and monitoring data, and the hydrodynamic water quality and aquatic ecological process model being used to predict the water quality and realize the lake and reservoir eutrophication early warning. As the ground monitor data are monitored by the invention, the satellite remote sensing data and the monitoring indexes predicted by the hydrodynamic water quality and aquatic ecological process model are fused with multi-source and multi-scale data, in the prediction process of a hydrodynamic water quality and aquatic ecological process model, the uncertainty of a hydrodynamic water quality and aquatic ecological process model is corrected by an assimilation algorithm, which improves the accuracy of lake and reservoir eutrophication early warning comprehensively.

The invention provides a landscape ecological efficiency evaluation method for urban greenbelt planning. The method comprises the steps of collecting and preprocessing basic data; calculating a landscape pattern optimization index of urban greenbelt planning; calculating an ecological process optimization index of urban greenbelt planning; calculating a landscape ecological efficiency comprehensive optimization index of urban green space planning; and quantitatively evaluating the comprehensive optimization effect of the urban greenbelt planning landscape ecological efficiency. The quantitative evaluation method is provided for demonstration and selection of the urban greenbelt planning scheme, and scientificity and effectiveness of the urban greenbelt planning scheme are improved.

The invention discloses a method and device for obtaining graphic data of county-scale abandoned land, relating to the field of land utilization and ecological process. The method comprises that area-distribution graphic data of present effective farmland-to-forestry and forest projects is obtained according to a distribution map of the present effective farmland-to-forestry and forest projects; area-distribution graphic data of farmland beforehand and area-distribution graphic data of farmland at present are spatially superposed to obtain area-distribution graphic data of farmland change; and the area-distribution graphic data of present effective farmland-to-forestry and forest projects is deducted from the area-distribution graphic data of farmland change to obtain area-distribution graphic data of county-scale abandoned land. Thus, the position, area and distribution of the county-scale abandoned land can be better obtained, and technical support is provided for monitoring, planning, policy making and management of land utilization.

The invention relates to a small soil-water-plant ecological system for experiment. The system is composed of a soil-water-plant device, an subsurface runoff simulation device, an environment simulation device, an overland runoff / interflow recovery device and a liquid flow circulating device, wherein the soil-water-plant device comprises a soil layer, the subsurface runoff simulation device is provided with a water inlet and a water outlet, and the environment simulation device is provided with a moisture regulation and rainfall simulation unit and an illumination unit. Based on the soil-water-plant polymorphic environment of the natural ecosphere, water circulation and ecological process of the natural world are simulated economically and reasonably, and multi-point sampling can be conducted at any time to monitor the trend of pollutants; the system is complete, simple in structure and easy to operate, maintain and manage, and provides technical support and data reference for evaluation of eco-environment risk of pollutants and application and effect of a phytoremediation method.

The invention discloses a method for obtaining high purity magnesia through one-step roasting of magnesite concentrate, and belongs to the technical field of refractory material production. Low-grade magnesite flotation concentrate is used as a raw material, refined, pressed into balls and refired, and high purity magnesia with the MgO larger than or equal to 97.5% and the volume density larger than 3.2g / cm<3> is obtained. By means of the technology, the powdering problem in the magnesite roasting process is solved, the high purity magnesia ecological process is effectively simplified, the available magnesite resource range is enlarged, production energy consumption is lowered, and enterprise economic benefits can be effectively improved.

The invention relates to a long-term fixed point observation device for a deep-sea ecological process. The long-term fixed point observation device comprises a release and load rejection system, and abattery cabin, a control cabin, a buoyancy ball, an iridium satellite beacon, a light beacon, an ultra-short baseline transponder and a compass cabin arranged on the release and load rejection system. According to the device disclosed by the invention, two load rejection schemes of an acoustic release transponder and an automatic unhooking device are adopted, and delayed load rejection can be performed by adopting the automatic unhooking device when the acoustic load rejection means fails. According to the device, load rejection can be released by virtue of the acoustic release transponder, and can also be released by virtue of an emergency load rejection mechanism. The emergency load rejection mechanism and the acoustic release transponder are in a series form. When the acoustic releasetransponder fails and cannot perform load rejection, the emergency load rejection device can be started to realize load rejection floating, and the safety of the equipment operation is improved.

The invention discloses a method for simulating a shallow lake ecosystem model, which utilizes an ecological simulation software to construct a model, comprising the following steps: A, constructing an ecological process equation of a primary producer; B, constructing a consumer ecological proces equation; C. constructing a primary producer and consume ecological sub-model; D, constructing an ecosystem model. The method for simulating the shallow lake ecosystem model of the invention constructs the shallow lake ecosystem model by using the ecological simulation software, more accurately considers the ecological process of organisms, improves the accuracy of the model simulation, and provides theoretical reference and technical support for the research and management of the shallow lake ecosystem.

The invention discloses an experimental device and an experimental method for multiple-depth sampling of the overlying water body in the field. The experimental device comprises a box body, a samplingsystem fixed in the box body, and a microprocessor system connected to the sampling system. The sampling system comprises syringes fixed in the box body and solenoid valves connected to the syringes.The microprocessor system controls the syringes in the sampling system to collect water samples of different depths. According to the experimental device, the collection of the overlying water samples in the field is realized, automation of the whole collection processing is realized, and the accurate operation of samples collection is achieved. The sampler can be delivered to different depths inone dispensing process, and Bluetooth can accurately control each sampling syringe, thereby achieving the purpose of simultaneously collecting water samples with multiple depths by one dispensing process, and providing certain technical support and reference for the ecological process of temporal and spatial changes of pollutants in the overlying water such as rivers and lakes. The experimental device is easy to carry and simple to operate, and has high adaptability.

The invention provides a processing method of soy sauce stewed chicken meat, and relates to the field of food processing, particularly to a processing method of chicken meat. The invention provides the processing method of the soy sauce stewed chicken meat which improves greasy feeling and is unique in flavor. The method comprises the following steps: (1) processing an ecological chicken into an ecological processed whole chicken; (2) dry-preserving the ecological processed whole chicken, wherein the dry-preserving temperature is under 5 DEG C, and the preserving time is 3-5 hours; (3) wet-preserving the dry-preserved ecological processed whole chicken, and decocting wet-preserving auxiliary materials into a soup base for 1.5-2.5 hours during wet-preserving the ecological processed whole chicken, wherein the wet-preserving temperature is under 8 DEG C, and the preserving time is 5-7 hours; and (4) shaping the processed whole chicken which is wet-preserved, sugaring the shaped processed whole chicken, deep-frying the sugared processed whole chicken, cooking and marinating the deep-fried processed whole chicken, cooling the marinated processed whole chicken, draining the cooled processed whole chicken, and vacuum packing the drained processed whole chicken. The soy sauce stewed chicken meat prepared by the method disclosed by the invention is unique in flavor, and the greasy feeling is avoided; besides, a spice formula adopted by the method adopts medicinal materials which not only can be used as foods but also can be used as medicines, the medicinal materials not only can have the effects of seasoning and stimulating the appetite but also have a medical value, and besides, various medicinal materials are mutually matched to have the effects of nourishing and recuperating human bodies.

The invention discloses popular tea prepared from ecological-process oolong and sekken fruits. The popular tea is prepared from the ecological-process oolong and the sekken fruits, and the process flow of the popular tea comprises the steps of picking the fresh sekken fruits, and then washing and airing the fresh sekken fruits to be dry; forming openings in the fruits and pulping the sekken fruits, reserving fruit shells, and slightly washing and airing the fruit shells to be dry; moistening and fermenting the ecological-process oolong; then packing the fruit shells with the ecological-process oolong, spreading out the fruit shells for fermentation, and then placing the fruit shells into a drying machine for baking while adjusting the temperature for control in good time; adjusting the temperature and conducting shaping in good time, wherein the time when sekken fruits are in golden red and bright and tea-fruit fragrance is heave is considered to be due, the temperature control is determined according to the sekken fruit and tea fusion water content, and when the effects that the fragrance is clear and the tea is sufficiently dry are achieved, taking the fruit shells out of a drying room. The ecological-process oolong integrates the ecological-process sekken fruits, so that the popular tea prepared from the ecological-process oolong and the sekken fruits is obtained, the biological and organic process is the core of the popular tea, the popular tea is beneficial to human health, can tonify the spleen and the stomach, moisten the lung, remove dampness, guide qi downward and achieve beauty care and is unique in taste, abundant in mouthfeel and capable of refreshing a drinker, facilitating thinking, tonifying the brain and developing intelligence, after drinking the tea, the drinker feels joyful and comfortable, and enjoyment and sublimation in the material life and spiritual life are created for people.

The invention relates to the field of environmental protection of an ecological system, in particular to a method for researching the storage and filtering effect of a small water-gathering area composite ecological system on heavy metal. The method comprises the following steps: (1) arranging a sample area; (2) collecting samples; (3) analyzing the samples; and (4) analyzing data. The method has the beneficial effects that transformation and immobilization are realized through ecological system energy conversion, absorption, biodegradation and the like, so that purification is realized, the local ecological stability is maintained, the local economical development is promoted, and heavy metal ecological process research is conducted continuously. Through collection and sampling of atmospheric dry and wet deposition of a water-gathering area, and collection of different land utilization types and different layers of the water-gathering area, the heavy metal content dynamic change of atmospheric dry and wet deposition of the water-gathering area as well as annual input and output quantity of the heavy metal are analyzed, the intercepted filtration effects of different land utilization types of the water-gathering area on the heavy metal are compared, and the storage and filtering effect of the water-gathering area composite ecological system on the heavy metal is disclosed.

The invention discloses a source / sink landscape recognition method and apparatus of non-point source pollution. The method includes steps of determining resistance coefficients and dynamic coefficients of a current landscape unit and related landscape units thereof by employing resistance coefficients and dynamic coefficients of the current landscape unit and the related landscape units influencing a non-point source pollution process; calculating the resistance cost and the power cost of the current landscape unit by employing the resistance coefficients and the dynamic coefficients of the current landscape unit and the related landscape units thereof and the distances from the current landscape unit and the related landscape units thereof to sub-basin water outlets; and recognizing source / sink landscapes of the non-point source pollution according to the resistance cost and the power cost of the current landscape unit. According to the method and apparatus, the dynamic process of the formation of non-point source pollution from the landscape units to the sub-basin water outlets can be recognized and monitored, and an important significance is attached to further deep revealing of the coupling relationship between large-scale landscape patterns and the ecological process.

The invention discloses a device for measuring a temperature control range of a system by expanding photosynthesis by using circulating alcohol. Cooled or heated liquid alcohol is conveyed by a circulating pump, and is conveyed to a metal component (which internally comprises multiple water channels where the alcohol flows) which is in tight fit with an LI-6400XT photosynthesis measurement chamberthrough a PVC pipe, and temperature of the metal component is changed; temperature of the photosynthesis measurement chamber is gradually adjusted by using a heat exchange process; finally, the temperature control range of a portable photosynthesis measurement system (LI-6400XT) is effectively expanded. The device enables the LI-6400XT portable photosynthesis measurement system to expand the range of leaf chamber temperature from an original range that is ambient temperature - 7 DEG C to the ambient temperature + 7 DEG C to 5 to 40 DEG C, so that photosynthesis parameters, which are measuredin the field, of a plant / crop are no longer limited by external ambient temperature. Therefore, a measurement technology and method are provided for deep exploration of response and adaptation mechanisms of a physiological and ecological process of the plant / crop to the temperature under the field condition.

The invention relates to a method for automatically controlling the change of outdoor soil temperature, belonging to the technical field of environmental ecology, comprising the following steps: placing a plurality of barrels filled with soil into a water tank filled with water; heating the water inside the water tank by heating a cable; and then heating the soil inside the barrels inside the water tank through the heated water, wherein the temperature of the water inside the water tank and the temperature of the soil inside the barrels can be automatically controlled by a temperature sensorand a temperature controller, and the temperature of the soil inside the barrels can be set 1.0-4.0 DEG C higher than that of contrast soil. The effective scientific method is provided by quantitatively and contrastively researching the difference of ecological processes, i.e. a biological process, a physical process, a chemical process, and the like, between the soil and the contrast soil after the temperature of the soil is increased by 1.0-4.0 DEG C under the influence of i atmospheric temperature increase. The invention solves the problems of nonuniform soil heating temperature and overheated partial soil or scorch which are brought by directly using the cable to heat the soil, thereby ensuring the consistency of heated soil property and contrast-reaching soil property.

The invention provides an unmanned aerial vehicle observation system for monitoring and researching carbon-water flux of a regional scale ecosystem. The unmanned aerial vehicle observation system comprises a fixed-wing unmanned aerial vehicle, scientific observation parts and a ground control monitoring station; the scientific observation parts comprise a porous turbulence probe, an open-circuit water vapor and carbon dioxide gas analyzer, a gas analyzer electronic case, a GPS / INS combined positioning and attitude determination system, an airborne control computer and a power supply battery; the scientific observation parts are all installed on a platform of the fixed-wing unmanned aerial vehicle. According to the invention, observation task requirements of most ecological systems can be met; latent heat flux and carbon dioxide flux exchange capacity of a regional ecological system can be directly observed; the invention has the advantages of low observation cost, strong expansibility,flexible and portable observation and the like, is suitable for multiple aspects such as ecological system function and current situation investigation, ecological process research, ecological environment protection and the like of a large-range space area, and provides important data support for ecological environment research and protection.

The invention provides a method and system for landscape pattern optimization construction. The method includes constructing the initial landscape pattern of a target area; obtaining the meteorological data, the site data and / or the physiological and ecological data of the target area, and carrying out the initial model simulation of the ecological process of the target area according to the acquired data; carrying out the actual measurement of the designated ecological data, and optimizing the parameters of the initial model simulation according to the actually measured data; performing the secondary simulation on the ecological process of the target area according to the optimized model simulation parameters, and performing the spatial interpolate on the designated ecological data obtained by simulation to obtain the surface distribution data of each designated ecological data; extracting the point data of the designated position from the surface distribution data, and constructing the ecological process model of the target area according to the actually measured data of the point data and the corresponding position; and optimizing the initial landscape pattern according to the ecological process model. The method and system optimize the landscape pattern in terms of the ecological process and then construct the regional optimal landscape pattern.

The invention discloses an ecological engineering method of converting severely lost soil on a surface layer of a mudflat into a forest land in a quick and highly efficient manner. The method comprise the following steps: firstly, turning over soil in a high-strength and high-frequency manner, and conducting artificial irrigation to accelerate alternation of wetting and drying; and secondly, conducting ridging and salt-leaching; thirdly, applying organic materials, covering the soil with films, removing the films, and ploughing the soil; fourthly, applying organic fertilizers, biochar and calcium superphosphate; and fifthly, planting green manure, and planting shallow-root salt-tolerant trees and shrubs after ploughing down of the green manure. On the basis of artificial acceleration of a natural ecological process, high-strength and high-frequency alternation of wetting and drying and anaerobic / aerobiotic natural ecological processes are conducted on raw soil layers, and organics are artificially added to conduct fermentation to bring heat and maturation, so soil structures can be improved quickly. Salt-leaching is conducted on the basis of ridging of home positions, and the biochar, organic fertilizers and calcium superphosphate are added, so soil nutrients are increased, the soil conservation capacity and the soil buffer capacity are improved, and the pH and the salt content are reduced. The method helps to restore forest lands in a quick and highly efficient manner, and is also suitable for improving and greening destroyed soil or polluted soil with surface layers removed in coastal zones.

The invention discloses an ecological flow quantification method based on an ecology-habitat-flow grouping response mechanism, and relates to the technical field of river ecological environment, and the method comprises the steps: collecting needed ecological data; studying the response relation between the flow process and the fish ecological process through key habitat habitat factors involved in the flow process and the fish ecological process, and disclosing an ecology-habitat-flow grouping response mechanism; and researching the influence effect between the fish ecological process and habitat factors, and determining environment flow components, dynamic optimal habitats, suitability hydraulic parameters and water environment quality constraints under different space-time modules of the fish ecological process. According to the quantification method, fishes serve as a protection target, based on the habitat simulation theory, the response relation between the flow process and the fish ecological process is studied through key habitat habitat factors involved in the flow process and the fish ecological process, and an ecology-habitat-flow grouping response mechanism is disclosed.

The invention relates to an evaluation method for measuring influence of land utilization on drainage basin non-point source pollution migration. The evaluation method comprises the following steps: 1, constructing a basic database; 2, classifying the soil of the research drainage basin according to a hydrological soil type classification standard; 3, endowing CN values to different land use types of the research drainage basin; 4, calculating a dynamic action coefficient; 5, calculating a resistance action coefficient; and 6, calculating a land utilization influence coefficient. The method is suitable for the small watershed lacking hydrological monitoring data, and has the advantages that the complex ecological process is simplified, and the key area causing pollution to the water body is effectively identified, so that the control means are selected in a targeted manner, and the risk to the aquatic ecosystem is effectively reduced at low cost.

The invention belongs to the field of mangrove forest ecosystems, and relates to a method for simulating and predicting the total phosphorus concentration change of kandelia candel mangrove forest sediments. The method includes: constructing a kandelia candel ecological process model and a kandelia candel mangrove forest sediment phosphorus circulation model; the influence of the kandelia candel growth process on the kandelia candel mangrove sediment total phosphorus concentration is more accurately considered; on the basis of collecting and analyzing phosphorus elements in columnar sedimentsof the mangrove forest kandelia candel wetland, Model parameters are calibrated and a model is verified, and three methods of correlation analysis, root-mean-square error and observed value standard deviation ratio and consistency index are adopted to carry out precision analysis on the model, so that necessary theoretical reference and technical support are provided for research and management ofmangrove forest sediments.

The present invention provides a novel industrially excellent and ecological process for producing methylcobalamin which is useful as a medicament etc. More specifically, it provides a process for producing methylcobalamin by reducing cyanocobalamin or hydroxocobalamin in the presence of a reducing agent, and then methylating the reductant by adding a water-soluble methylating agent.

The invention belongs to the technical field of ecological regulation and control, and discloses an interface ecological regulation and control system and method for a riverside hydro-fluctuation beltof the three gorges reservoir area. The interface ecological regulation and control system is characterized in that a river bank forest land area, a river bank wild flower meadow area and a river bank bush area are arranged on the outer side of a multifunctional buffer area, and the multifunctional buffer area is provided with shallow water area submerged plants, emergent aquatic plant belts, a water border line emergent aquatic plant belt, a low riparian area hygrophyte meadow belt, a riparian upper open forest meadow belt and a transition highland forest belt. According to the interface ecological regulation and control system and method for the riverside hydro-fluctuation belt of the three gorges reservoir area, system structure regulation and control, biological regulation and controland environmental regulation and control are integrated together to form an integral ecological regulation and control system, so that dynamic balance of the hydro-fluctuation belt is realized; by reasonably adjusting a horizontal interface structure, a vertical interface structure, interface substance composition, an interface ecological process and the like, the ecological service function of the interface is enhanced; and through the multifunctional buffer area, the river bank stabilizing and protecting function, the surface runoff intercepting and purifying function, the biodiversity conservation function, the landscaping function, the leisure and recreation function and the like can be achieved.

The invention discloses a photovoltaic driving electrochemical treatment system, a treatment method thereof and an application of the system. The photovoltaic driving electrochemical treatment systemcomprises an electrochemical treatment unit I, a filtering unit, an electrochemical treatment unit II and a photovoltaic power driving unit. As renewable photovoltaic energy is used for providing electric power and additional dosing of chemical reagents is omitted, treatment cost is greatly reduced. The system is high in efficiency and stable in running, water quality can be improved within a short time, the shortcomings of a traditional physical-chemical process and a biological-ecological process are effectively overcome, and the system is quite suitable for micro-polluted landscape water body treatment.

The invention provides a forestry carbon metering method based on an ecological process model, and relates to the technical field of forestry carbon metering. According to the forestry carbon metering method based on the ecological process model, forestry carbon sequestration analysis needs to be carried out in forestry carbon metering work, and the forestry carbon sequestration analysis comprises vegetation carbon content, soil carbon content, artificial planting forest carbon content, destroyed forest and degraded forest carbon content, animal and plant debris carbon content, garbage carbon content, planting fertilizer carbon content and the like. According to the method, a good ecological process model is established, an evaluation model with simple application is provided to grasp the overall trend, the land forestry ecosystem carbon cycle can be reasonably and efficiently estimated and predicted, in addition, when carbon measurement work is carried out, forestry carbon sequestration analysis is carried out, and targeted calculation data collection is carried out according to a carbon sequestration mode.