67 results about "Land development" patented technology

A computer-implemented land planning system is designed to generate at least one conceptual fit solution to a user-defined land development problem. The system electronically creates at least one candidate solution to the land development problem. The candidate solution incorporates a number of engineering measurements applicable in development of an undeveloped land site. A fitness function quantitatively evaluates the candidate solution based on its fitness. A heuristic problem-solving strategy manipulates the engineering measurements of the candidate solution to achieve a more quantitatively fit solution to the land development problem. A computer output device outputs to a user documentation illustrating the fit solution to the land development problem.

Briefly, in accordance with one embodiment of the invention, the computer implemented method evaluates the sustainability of land development plan. The computer implemented method applies sustainability data to the land planning and engineering design elements of a land development plan to generate sustainability measures. These sustainability measures may include environmental impacts such as carbon footprints, energy consumption, and increased storm water runoff. In addition, the computer implemented method estimates the costs involved in investing in sustainable land development and construction, provides a cost benefit analysis, compares the sustainability of numerous land development plans, and calculates the near and long term effects of sustainable land development on a land site. This real time analysis will allow developers, municipalities, and residents to quantify land planning decisions without expending significant time and money in a cumbersome land planning process.

The invention relates to a lycium ruthenicum artificial planting method of an arid salt and alkali land. According to the method, through planting area soil improvement, drip irrigation salt washing and root area non-woven faric covering, a salt and alkali land lycium ruthenicum planting management technology integrating physical improvement, water conservancy improvement and novel material application is obtained. Ditch forming and obstacle breaking, planting soil improving for soil water permeability and fertility improving, drip irrigation planting soil salt washing, and non-woven fabric covering for root sucker restraining are conducted, and technological reserve is accumulated for arid region salt and alkali land development and utilization and lycium ruthenicum cultivation. For the characteristics of a hardened viscose heavy soil body, based on the consideration of planting soil improvement, by forming deep ditches and breaking viscose hardened layers, the water permeability and fertility of planting ditch soil are improved; through the combination of the drip irrigation technology and the non-woven fabric root sucker restraining technology, the problem of hardened viscose heavy salt and alkali land lycium ruthenicum high-yield and high-efficiency management is effectively solved. By means of the method, the effective combination of physical, water conservancy and material technologies is embodied, construction is rapid and convenient, and operation is convenient. The method is particularly suitable for improvement and utilization of salt and alkali wasteland on the periphery of an oasis.

A computer-implemented land planning system is designed to generate at least one conceptual fit solution to a user-defined land development problem. The system employs a computer readable medium and a computer program encoded on the medium. The computer program is operable, when executed on a computer, for electronically creating at least one candidate solution to the land development problem. The candidate solution incorporates a plurality of engineering measurements applicable in development of an undeveloped land site. Existing GIS data is collected for the selected undeveloped land site. A fitness function quantitatively evaluates the candidate solution based on its cost. A heuristic problem-solving strategy manipulates the engineering measurements of the candidate solution to achieve a more quantitatively fit solution to the land development problem. Documentation illustrating the fit solution to the land development problem is delivered to the user.

A computer-implemented land planning system is designed to generate at least one conceptual fit solution to a user-defined land development problem. The system employs a computer readable medium and a computer program encoded on the medium. The computer program is operable, when executed on a computer, for electronically creating at least one candidate solution to the land development problem. The candidate solution incorporates a plurality of engineering measurements applicable in development of an undeveloped land site. Existing GIS data is collected for the selected undeveloped land site. A fitness function quantitatively evaluates the candidate solution based on its cost. A heuristic problem-solving strategy manipulates the engineering measurements of the candidate solution to achieve a more quantitatively fit solution to the land development problem. Documentation illustrating the fit solution to the land development problem is delivered to the user.

The invention belongs to the technical field of agricultural production, and particularly relates to a method for identifying the salt tolerance of sweet potatoes in the seedling stage. The method comprises the following steps: (1) salt stress treatment for sweet potatoes in the seedling stage; (2) physiological indicator detection for sweet potatoes in the seedling stage; (3) data analysis and salt tolerance division; (4) salt tolerance mathematical evaluation equation and salt tolerance index screening, namely stepwise regression analysis by using the salt tolerance comprehensive evaluationvalue D value as a dependent variable and the salt tolerance coefficient of each single index as an independent variable to establish a regression equation, and salt tolerance division according to the comprehensive salt tolerance D value. According to the method, the standard equation result is accurate and reliable, the operation is simple and convenient and is easy to grasp, the method is lessinfluenced by the outdoor environment, the condition is controllable, the comprehensive salt tolerance of sweet potatoes in the seedling stage can be overall reflected, and the result is reliable. Themethod can be used for quickly evaluating the salt tolerance of sweet potato varieties in the seedling stage, has small blindness and high efficiency, and provides germplasm materials to sweet potatosalt tolerance variety seedling and salty land development and utilization in the Yellow River Delta.

The invention discloses a simulation method for urban expansion through modified cellular automaton. The method comprises the following steps of building an index system to evaluate urbanization development level and land utilization potential, and obtaining a land development potential map; based on the development potential map, sorting potential values of non-city picture elements from large to small, and recording the sorted values and corresponding picture element positions through an array; traversing each item of the array until finding the maximum value picture element meeting neighborhood influence, converting the picture element into an urban land type, and meanwhile, increasing the urban cellular quantity by one; updating the influences of all neighborhoods of the cellular, deleting the item from the array and breaking out of the loop, judging whether the cellular increase quantity meets the requirement or not, if yes, obtaining a simulation result, and if not, repeating the loop until the urban land increase quantity meets the requirement. The simulation method for urban expansion through the modified cellular automaton solves the difficult problem that the simulation result is not accurate due to nondeterminacy of a conversion threshold value of the traditional cellular automaton.

A software application is provided designed to encourage collaboration between professional disciplines related to land development and construction projects. A graphical risk analysis system is provided based on answers to interdisciplinary questions related to risks. Use of the system promotes a complete checklist of interdisciplinary and informational consultation which, when completed, reduces the risk related to land development.

A system and method is provided for on-site site risk assessment and to encourage collaboration between professional disciplines related to land development and construction projects. A graphical risk analysis system is provided based on answers to interdisciplinary questions related to risks. Use of the system promotes a complete checklist of interdisciplinary and informational consultation which, when completed for a project, assesses the risk related to land development and allows for reduction in risk as the project progresses.

The invention provides a drainage salt-washing method for a green belt of a heavy saline-alkali land development region in a coastal area. The method can effectively reduce engineering cost, greatly shortens engineering time, and can realize effective desalination of saline-alkali soil of the green belt. The method comprises the following steps: (1) laying 200 kilograms to 300 kilograms of straws on the soil surface of the heavy saline-alkali land per mu, then subjecting the soil of the heavy saline-alkali land to soil-turning operation, and allowing the straws to be uniformly doped in the soil, wherein a soil-turning depth is 50 cm to 80 cm; (2) embedding alkali-discharge pipes in a tilted dike located at the bottom part of the heavy saline-alkali land, arranging a drainage ditch at one side of the heavy saline-alkali land, and allowing one downward-tilted end of each alkali-discharge pipe to communicate with the drainage ditch, wherein the depth of each alkali-discharge pipe embedded in the dike is 1 m to 1.2 m, and the separation distance of adjacent alkali-discharge pipes is 5 m; and (3) implementing irrigation to the heavy saline-alkali land with underground brackish water as a water source.

A project management system for development of land is provided. An embodiment includes a project management engine interconnecting a plurality of workstations. Users at each workstation can select lots on a subdivision proposal. When the project management engine determines a sufficient number of lots are selected, provision of services for those lots commences in conjunction with a second project management engine.

The invention discloses an illegal construction land development automatic detection method based on multi-source optical remote sensing images. The method comprises the steps of acquiring optical remote sensing images of a to-be-detected area at two different times; calculating the land leveling intensity between the two optical remote sensing images at different time to obtain a land leveling intensity image; performing clustering analysis on the land leveling intensity image by using a maximum expectation algorithm, and extracting a construction land development corresponding region of theto-be-detected area; and comparing the extracted construction land development corresponding area with the land planning of the to-be-detected area, wherein the construction land development in the land planning strict development area is illegal construction land development. According to the invention, short-period and full-automatic monitoring can be carried out on illegal construction land development, the calculation is simple, the understanding is easy, the execution efficiency is high, no training sample is needed, various social and environmental problems caused by illegal constructionland can be discovered and prevented in time, the monitoring cost is significantly reduced, and the monitoring efficiency is improved.

A computer-implemented land planning system is designed to generate at least one conceptual fit solution to a user-defined land development problem. The system electronically creates at least one candidate solution to the land development problem. The candidate solution incorporates a number of engineering measurements applicable in development of an undeveloped land site. A fitness function quantitatively evaluates the candidate solution based on its fitness. A heuristic problem-solving strategy manipulates the engineering measurements of the candidate solution to achieve a more quantitatively fit solution to the land development problem. A computer output device outputs to a user documentation illustrating the fit solution to the land development problem.

The invention relates to a land space partitioning method and device based on a minimum cumulative resistance model, and the method comprises the steps: obtaining the spatial data of a target region, obtaining the regions of ecological land and construction land of the target region, setting multi-dimensional resistance evaluation factors based on the spatial data and the evaluation indexes of the two types of land, constructing comprehensive expansion resistance based on the multi-dimensional resistance evaluation factors, respectively obtaining minimum cumulative resistance values of the two types of land in expansion based on a minimum resistance model and the comprehensive expansion resistance, and calculating a minimum cumulative resistance difference value of the two types of land in expansion based on the minimum cumulative resistance values, and based on the minimum cumulative resistance difference value and the corresponding grid number, carrying out land space partitioning on the target region, and outputting a partitioning result. The method has the advantages that low-efficiency and unreasonable land development is avoided to a certain extent, sustainable development of land resources is achieved, and a scientific basis is provided for territorial space zoning.

The invention provides a planting method for wild tending of Dipsacus asperoides; in the planting method as a Chinese herb production manner, more populations are artificially added under original habitats or similar original habitats based on full use of resources according to growth and development characteristics of Dipsacus asperoides and the requirements on habitat environments, so that the resource quantity of Dipsacus asperoides allows harvesting by people and allows populations to be balanced. Particularly, in the planting method, seeds of Dipsacus asperoides are scattered to an original habitat or similar habitat in March to April, and more populations are added by means of conservation. By using the wild tending manner, original quality and safety of medicinal herbs is maximally guaranteed; utilization rate of meadows below forests and bushes and other wastelands is effectively increased. The density of wild populations of medical Dipsacus asperoides is effectively increased, forest land development difficulty is decreased, habitat stability is protected, input cost is very low, harvest economic value is increased, the yield per mu may reach 3000 to 4000 RMB, and comprehensive net yield per mu reaches 2500-3500 RMB.

The invention discloses a method for determining basin land development and utilization bearing capacity. The method comprises the following steps: investigating and calculating the water environment capacity of a river; determining a drainage basin range of the river; on the basis of the determined drainage basin range, investigating the current land utilization situation and land utilization planning in the drainage basin range, and determining the water pollutant discharge amount of the unit land area of each land utilization type at the current situation, namely the river-entering pollution discharge coefficient; and judging whether the local land utilization plan exceeds the development and utilization bearing capacity or not based on the obtained water environment capacity, the obtained land utilization plan and the obtained river-entering pollution discharge coefficient. According to the method, whether the basin land development mode and the development scale exceed the river water environment bearing capacity or not can be rapidly judged, decision support can be provided for basin land utilization optimization and adjustment, blindness of experience decision is avoided, and therefore the purpose of protecting river water is achieved.