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“双评价”中分层水资源模数评价方法的构建及应用研究 被引量:1
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作者 覃光旭 桑东升 彭力 《自然资源学报》 CSSCI CSCD 北大核心 2023年第12期3166-3178,共13页
“双评价”是国土空间规划编制的前提和基础,但在近年的实践中,“双评价”的支撑性受到一定质疑,评价技术方法不够完善是主要原因之一。水资源是“双评价”的基础评价因子,但由“水资源特征”向“空间利用条件”的传导路径仍不明确。研... “双评价”是国土空间规划编制的前提和基础,但在近年的实践中,“双评价”的支撑性受到一定质疑,评价技术方法不够完善是主要原因之一。水资源是“双评价”的基础评价因子,但由“水资源特征”向“空间利用条件”的传导路径仍不明确。研究剖析了市县水资源取用结构,基于政策、经济、生态、工程等限制因子分析,提出微观层面分层水资源模数评价方法,而后逐一分析各层水资源取用特征,将微观模数计算公式转化为可操作的宏观计算公式,成功构建出分层水资源模数评价理论方法,实现水资源特征空间化。案例验证结果表明,本方法优于评价指南推荐的相关方法,对国土空间规划的支撑性更强。 展开更多
关键词 “双评价” 国土空间规划 资源特征空间化 分层水资源模数 定量分析
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西南岩溶地区地下水资源承载力空间演变及差异研究——以贵州为例 被引量:1
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作者 杨廷锋 龙华斌 +1 位作者 吴显春 韩学阵 《国土与自然资源研究》 2021年第3期31-34,共4页
该文基于水资源生态承载力模型方法计算贵州九市、州2000-2018年地下水资源承载力和分析空间演变特征,并且用泰尔指数进行差异测度。结果表明,从行政区来看,各市、州无论地下水资源生态承载力总量或者地下水资源承载力模数变化均具有一... 该文基于水资源生态承载力模型方法计算贵州九市、州2000-2018年地下水资源承载力和分析空间演变特征,并且用泰尔指数进行差异测度。结果表明,从行政区来看,各市、州无论地下水资源生态承载力总量或者地下水资源承载力模数变化均具有一定的波动性,并具有明显三个档次,处于第一档次的是黔东南、遵义市、毕节市和黔南州;处于第二档次的是铜仁市、黔西南;处于第三档次的是六盘水市、安顺市和贵阳市。从流域来看,贵州"两江"流域的地下水资源承载力总量和承载力模数变化也存在一定的波动性,贵州长江流域的地下水资源承载力总量的多年平均值是贵州珠江流域的2.3倍,而地下水资源承载力模数比贵州珠江流域多2.9×10^(5)hm^(2)/a。通过泰尔指数的测度表明地下水资源承载力模数整体水平差距比较小,贵州各市、州以及"两江"流域地下水资源生态承载力的年际变化都比较小,其形成机制主要是自然因素和人为因素差异的影响。 展开更多
关键词 地下水资源承载力 地下水资源承载力模数 变差系数 泰尔指数 西南岩喀斯特地区 贵州省
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浙江省义乌市地下水资源调查研究
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作者 刘思秀 成晓东 《浙江地质》 2000年第1期81-88,共8页
义乌市水资源短缺严重 ,影响人民生活与社会经济的可持续发展。本文通过地下水开发利用现状的调查、水文地质条件的研究 ,在充分利用地下水长期监测资料的基础上 ,对义乌市地下水允许开采资源进行评价 ,并对地下水开采潜力作了分析 ,为... 义乌市水资源短缺严重 ,影响人民生活与社会经济的可持续发展。本文通过地下水开发利用现状的调查、水文地质条件的研究 ,在充分利用地下水长期监测资料的基础上 ,对义乌市地下水允许开采资源进行评价 ,并对地下水开采潜力作了分析 ,为义乌市地下水资源开发利用规划和有效保护提供科学依据。 展开更多
关键词 地下水资源 开采资源模数 开采系数 开采潜力
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Strategic equilibrium price analysis and numerical simulation of preponderant high-tech metal mineral resources 被引量:3
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作者 钟美瑞 谌杰宇 +1 位作者 朱学红 黄健柏 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2013年第10期3153-3160,共8页
Based on exploitation compensation value system of preponderant high-tech metal mineral resources and distortion of pricing mechanism, social utility function was constructed to modify decision utility function of dev... Based on exploitation compensation value system of preponderant high-tech metal mineral resources and distortion of pricing mechanism, social utility function was constructed to modify decision utility function of developers, and was extended to Stackelberg production decision model of preponderant high-tech metal mineral resources development. Analyzing the influences on market monopoly, output and price decision-making exerted by altruistic preferences, inequity aversion and sequential reciprocity fairness belief equilibrium, game fairness equilibrium which is significant in experimental economics can be obtained and verified by numerical simulation. In process of strategic pricing, method that uses the variation of producer surplus to measure strategic value from psychological preferences was proposed for the first time and technical support to improve exploitation compensation value system of preponderant metal mineral resources was available. 展开更多
关键词 METAL high-tech mineral mineral resources equilibrium price numerical simulation
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Evaluation Model of Carrying Capacity of Water Resources Based on Standardized Indices of Radial Basis Function
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作者 臧蕾 李祚泳 刘伟 《Agricultural Science & Technology》 CAS 2012年第6期1365-1367,共3页
[Objective] The aim was to study on RBF model about evaluation on carrying capacity of water resources based on standardized indices. [Method] The indices were transformed and the averages of standard values in differ... [Objective] The aim was to study on RBF model about evaluation on carrying capacity of water resources based on standardized indices. [Method] The indices were transformed and the averages of standard values in different levels were taken as the standardized values of components of central vectors for basic functions of RBF hidden nodes. Hence, the basic functions are suitable for most indices, simplifying expression and calculation of basic functions. [Result] RBF models concluded through Monkey-king Genetic Algorithm with weights optimization are used in evaluation on water carrying capacity in three districts in Changwu County in Shaanxi Province, which were in consistent with that through fuzzy evaluation. [Conclusion] RBF, simple and practical, is universal and popular. 展开更多
关键词 Indices standardization RBF Water resource Carrying capacity Evaluation model
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Analysis of groundwater recoverable resource by numerical method in Linfen Basin of Shanxi,North China 被引量:1
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作者 Liping BAI Yeyao WANG Jinsheng WANG 《Global Geology》 2008年第3期168-173,共6页
Calculation of the groundwater recoverable resource is the main part of groundwater resource evaluation. The three-dimensional groundwater flow model in Linfen Basin was established by GMS software. Then the numerical... Calculation of the groundwater recoverable resource is the main part of groundwater resource evaluation. The three-dimensional groundwater flow model in Linfen Basin was established by GMS software. Then the numerical model was calibrated by observed groundwater level from February to December in 2 000. Based on the calibrated model, the groundwater recoverable resource is calculated. The simulation result shows that under the given value of the groundwater recoverable resource, the groundwater level would decrease significantly in the first 1 000 days, while the water level would drop slowly in 1 000 to 2 000 days, and the water level change tend to be stable after 2000 days. 展开更多
关键词 recoverable resource GROUNDWATER GMS numerical model
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Feasibility analysis of gob-side entry retaining on a working face in a steep coal seam 被引量:10
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作者 Deng Yuehua Wang Shouquan 《International Journal of Mining Science and Technology》 SCIE EI 2014年第4期499-503,共5页
Based on the decline in exploitation of coal resources, steep coal seam mining and mining face tensions continue to explore the feasibility analysis of steeply inclined faces in the gob. One of the key factors in util... Based on the decline in exploitation of coal resources, steep coal seam mining and mining face tensions continue to explore the feasibility analysis of steeply inclined faces in the gob. One of the key factors in utilizing the technology of gob-side entry retaining in steep coal seams is to safely and effectively prevent caving rock blocks from rushing into the gob-side entry by sliding downwards along levels. Using theoretical analysis and field methods, we numerically simulated the mining process on a fully-mechanized face in a steep coal seam. The stress and deformation process of roof strata has been analyzed, and the difficulty of utilizing the technology is considered and combined with practice in a steep working face in Lvshuidong mine. The feasibility of utilizing the technology of gob-side entry retaining in a steep coal seam has been recognised. We propose that roadways along the left lane offshoot body use a speciallymade reinforced steel dense net to build a dense rock face at the lower head. The results show that the lane offshoot branch creates effective roof control, safe conditions for roadway construction workers, and practical application of steeply inclined gob. 展开更多
关键词 Gob-side entry retaining Steep coal seam Fully-mechanized mining Feasibility analysis Numerical simulation
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Quantitative study on the urban fresh water consumption since Chinese rapid urbanization 被引量:1
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作者 Zhu Peng Zhang Lei 《Ecological Economy》 2009年第2期195-204,共10页
The development of urbanization has a close relationship with fresh water resources, especially in the rapid urbanization period. By analyzing the course of the urhanization development and the experience of internati... The development of urbanization has a close relationship with fresh water resources, especially in the rapid urbanization period. By analyzing the course of the urhanization development and the experience of international urbanization development, the paper confirms the starting time of the rapid urbanization. Based on the ecotogical theory; urban fresh water consumption is composed of three types: the direct, the indirect and the induced water consumption. And the paper constructs calculation model of the indirect and the induced water consumption. Using the related statistics data, the paper makes an empirical research on the changes of the amount and structure of water consumption. Then it discusses the correlation between the water consumption and the amount of urban population, and the result shows that the amount of the water consumption arid the urban population have a remarkable correlation with the exception of the amount of the indirect water consumption, and the curves fake on quadratic functian form. Last, from the urban fimction point of view; the paper anatomizes the cause of the urban water consumption changes. 展开更多
关键词 Rapid urbanization Fresh water consumption Direct water consumption Indirect water consumption Induced water consumption
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COMPREHENSIVE INTRODUCTION TO THE TECHNOLOGY OF GROUNDWATER MODELING AND OPTIMAL MANAGEMENT
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作者 武强 田宝霖 +4 位作者 胡社荣 金玉洁 孙卫东 王洪涛 田开铭 《Journal of China University of Mining and Technology》 1995年第2期83-90,共8页
Three numeric simulation and optimal management models on groundwater resources are introduced in this paper. These models stand for the present developing levels on the technology of groundwater modeling and optimal ... Three numeric simulation and optimal management models on groundwater resources are introduced in this paper. These models stand for the present developing levels on the technology of groundwater modeling and optimal management in China, and show the practical application situations of the technology. Each of the technology of unique characteristics and purposes. According to the tests of the practical engineering, these models have played a very important role in solving the difficult problems of groundwater resources. 展开更多
关键词 groundwater resources numeric modeling optimal management
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Performance of Kohonen Self-organising Map in Statistical Analysis of Hydrologic Data
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作者 Edward Naabil Henry Man'tieebe Kpamma +1 位作者 Faustina Gyabaah Asaa Akunai Abunkudgu 《Journal of Environmental Science and Engineering(B)》 2017年第1期1-16,共16页
The statistical characteristics of a hydrological data for the purposes of decision making in water resource planning and management is only justifiable if the data has the right attributes. This requires that the dat... The statistical characteristics of a hydrological data for the purposes of decision making in water resource planning and management is only justifiable if the data has the right attributes. This requires that the data being analysed are consistent, free of trend and being part of a stochastic process whose random characteristics is described by an appropriate distribution hypothesis. The data available for statistical analysis had a lot of missing values which could not be ordinarily filled but required a more comprehensive approach to fill these missing values. The KSOM (Kohonen Self-organising Map) was used to fill the missing runoff data from the Jidere-Bonde, Lokoja and Makundi river sites in the Niger basin. Results from the studies have shown that KSOM is the best tool for filling hydrological data with high number of missing values. After the data had been processed, some statistical applications were used to establish the runoff time-series characteristics of the three river sites of the Niger River basin. The results showed good attributes for all three river sites, except that Jidere River's data exhibited inconsistency. The presence of trend was also established for all three river sites; Jidere River was modelled based on 3-pararneter lognormal, the other two river sites were modelled based on normal distribution probability. The presence of trend and other attributes require that a more stochastic modelling process be carried out. However, the results established give reference for water resource planning and management. 展开更多
关键词 Kohonen Self-organising Map WATER RESOURCES PLANNING MANAGEMENT
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Impacts of distorted fishery statistical data on assessments of three surplus production models 被引量:3
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作者 王迎宾 郑基 王征 《Chinese Journal of Oceanology and Limnology》 SCIE CAS CSCD 2011年第2期270-276,共7页
We evaluated the effect of various error sources in fishery harvest/effort data on the maximum sustainable yield (MSY) and corresponding fishing effort (EMsv) using Monte Carlo simulation analyses. A high coeffici... We evaluated the effect of various error sources in fishery harvest/effort data on the maximum sustainable yield (MSY) and corresponding fishing effort (EMsv) using Monte Carlo simulation analyses. A high coefficient of variation (CV) of the catch and effort values biased the estimates of MSY and EMsv. Thus, the state of the fisheries resource and its exploitation was overestimated. We compared the effect using three surplus production models, Hilborn-Waters (H-W), Schnute, and Prager models. The estimates generated using the H-W model were significantly affected by the CV. The Schnute model was least affected by errors in the underlying data. The CVof the catch data had a greater impact on the assessment than the CV of the fishing effort. Similarly, the changes in CV had a greater impact on the estimated maximum sustainable yield (MSY) than on the corresponding estimate of fishing effort (EMsY). We discuss the likely effect of these biases on management efforts and provide suggestions for the improvement of fishery evaluations. 展开更多
关键词 distorted data Monte Carlo simulation ERROR stock assessment
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Estimation of Annual Energy Output from BCM Tidal Barrage and the Corresponding Marine Environmental Impact
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作者 YU Huaming WANG Lu +4 位作者 KUANG Liang YU Haiqing SUN Yuchen QU Yuhuan WU Xin 《Journal of Ocean University of China》 SCIE CAS 2016年第2期209-218,共10页
Based on the finite-volume coastal ocean model (FVCOM), a three-dimensional numerical model FVCOM was built to simulate the ocean dynamics in pre-dam and post-dam conditions in Bachimen (BCM). The domain decomposi... Based on the finite-volume coastal ocean model (FVCOM), a three-dimensional numerical model FVCOM was built to simulate the ocean dynamics in pre-dam and post-dam conditions in Bachimen (BCM). The domain decomposition method, which is effective in describing the conservation of volume and non-conservation of mechanical energy in the utilization of tidal energy, was employed to estimate the theoretical tidal energy resources and developable energy resources, and to analyze the hydrodynamic effect of the tidal power station. This innovative approach has the advantage of linking physical oceanography with engineering problems. The results indicate that the theoretical annual tidal energy resources is about 2x 108 kwh under the influence of tidal power station; Optimized power installation is confirmed according to power generation curve from numerical analysis; the developable resources is about 38.2% of theoretical tidal energy resources with the employment of one-way electricity generation. The electricity generation time and power are 3479 hours and 2.55~104KW, respectively. The power station has no effect on the tide pattern which is semi-diumal tide in both two conditions, but the amplitudes of main constituents apparently decrease in the area near the dam, with the ME decreasing the most, about 62.92 cm. The tidal prism shrinks to 2.28×107 m3, but can still meet the flow requirement for tidal power generation. The existence of station increases the flow rate along the waterway and enhances the residual current. There are two opposite vortexes formed on the east side beside the dam of the station, which leads to pollutants gathering. 展开更多
关键词 tidal energy resources tidal developable resources numerical simulation marine environmental effects
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Assessment of Groundwater Resources in Northeastern Sinai Peninsula Constrained by Mathematical Modeling Techniques
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作者 Mohamed A. El Samanoudy Yehia L. Ismail Said A. F. Hawash 《Journal of Earth Science and Engineering》 2013年第1期23-34,共12页
The study area extended from El-Gora and its vicinities in the south to E1 Sheikh Zowyed and Rafah cities in the north. Quantitatively the water bearing formation in the area has been illustrated by applying the PMW1N... The study area extended from El-Gora and its vicinities in the south to E1 Sheikh Zowyed and Rafah cities in the north. Quantitatively the water bearing formation in the area has been illustrated by applying the PMW1N (Processing Modflow for Windows) and modulus contour map techniques. Qualitatively, the groundwater is evaluated by an isosalinity distribution map. The hydraulic parameters of the water bearing formations were determined and evaluated through 12 pumping tests carried out on selected wells. On the other hand, the ground elevation of the study area is illustrated by a DEM (Digital Elevation Model). The DEM map indicated that the investigated area lies within a low land area. Due to the depths of groundwater (46.1-105 m from the ground surface), the rainfall replenishment is nearly absent. Based on the resulting modulus contour map, the northern and northwestern portions are characterized by reasonable potentiality of groundwater. Moreover, the eastern and southern portions reflect limited aquifer potentials. The mathematical modeling results revealed that the recharge to the investigated aquifer is about 9.794 million m3. 展开更多
关键词 Hydraulic parameters aquifers modulus technique processing modflow.
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Fuzzy Comprehensive Evaluation of Training Effect on Human Resource Development 被引量:1
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作者 曾建权 《Journal of China University of Mining and Technology》 2003年第1期103-107,共5页
On the basis of the essential connotation of the training effect on human resource development and the basic principles of setting up a index system, the evaluation index system of the training effect on human resourc... On the basis of the essential connotation of the training effect on human resource development and the basic principles of setting up a index system, the evaluation index system of the training effect on human resource development in enterprises has been established. It evaluates the training effect on human resource development with the method of fuzzy comprehensive evaluation and achieves better results. It also provides a scientific, practical and quantitative method for the systematic analysis and comprehensive evaluation of the training effect on human resource development. 展开更多
关键词 human resource development training effect evaluation index system fuzzy comprehensive evaluation
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Damage, failure and stability control of evolutionary process caused by re-exploitation of the residual resources
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作者 Xiao-Jing FENG Dong DUAN +2 位作者 Qu-Zhen TIAN Kai WANG Li-Bin LIU 《Journal of Coal Science & Engineering(China)》 2013年第4期462-467,共6页
On the basis of considering the heterogeneity and using the finite element numerical simulation, this thesis investi- gates the damage of the roof and coal as well as the failure of evolutionary process during the re-... On the basis of considering the heterogeneity and using the finite element numerical simulation, this thesis investi- gates the damage of the roof and coal as well as the failure of evolutionary process during the re-exploitation of the residual coal. According to the analysis of the damage field, stress field and the failure process, it explores the damage evolution, stress distribution laws and the damage models. Besides, this thesis puts forward the idea of penetrating and establishing drilling steels aimed at solving the problem of wall carving and roof fall, meanwhile this suggestion accomplishes the successful appli- cation effect in the testing ground. This thesis demonstrates that the re-exploitation of the residual coal can be carried out and the safe production can be ensured by adopting some measures. What's more, the research result provides the theoretical and practical experience for the re-exploitation of the residual coal in the similar conditions. 展开更多
关键词 re-exploitation of residual resources fully mechanized exploitation of the long wall damage evolution control ofstability numerical simulation
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Multi-Level Fuzzy Comprehensive Assessment of Tourism Resources in Laiyuan County of Hebei Province
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作者 王利军 《Journal of Landscape Research》 2009年第11期94-98,共5页
The membership of every target and the mathematic model of multi-level fuzzy comprehensive assessment are set up by using fuzzy theories and means in this study.Tourism resources of main scenic spots areas in Laiyuan ... The membership of every target and the mathematic model of multi-level fuzzy comprehensive assessment are set up by using fuzzy theories and means in this study.Tourism resources of main scenic spots areas in Laiyuan County of Hebei Province are evaluated and classified by applying the model.The results of evaluation indicate that 10 of these scenic spots such as Baoziwo and Qingyunfeng are grade A,and 6 of them such as Yunpan Valley and Xianrenqiao are grade B.The peak forest scenic area in the Baishishan Geological Park and Shipuxia Scenic Area are grade A,and Jumayuan Scenic Area is grade B.Furthermore,suggestions are put forward based on the scientific and feasible development of tourism resources. 展开更多
关键词 Quality of tourism resources Membership function Multi-level fuzzy comprehensive assessment
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Design and Implementation of English Teaching Management System Based on Web
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作者 YAO Na 《International English Education Research》 2018年第1期58-60,共3页
In order to improve the intelligence of the English teaching management, so as to improve the English teaching resource scheduling and sharing ability, a design method of teaching management system is proposed based o... In order to improve the intelligence of the English teaching management, so as to improve the English teaching resource scheduling and sharing ability, a design method of teaching management system is proposed based on Web. The system adopts Web network architecture design, mainly it is divided into MUC main control module, database module, data management module and man-machine interaction module, Network management and online scheduling of English teaching resources are obtained based on C/S framework, data exchange of English teaching resources is realized on client side and server side, the control component of the English teaching resource distribution database uses MBM29LV400BC as the logic decoding controller. The intelligent algorithm is used to analyze the big data to realize the scheduling and access control of the English teaching management system resources. The test results show that the design of the English teaching management system has good resource scheduling and database construction ability, and the overall intelligence of the system is better. 展开更多
关键词 WEB English teaching Management system Software development
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Climate Change Impacts on Water Resources in Yemen
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作者 Abdulla Noaman Georg Petersen +1 位作者 Jens Kiesel Steven Wade 《Journal of Earth Science and Engineering》 2013年第9期629-638,共10页
Climate change impacts on water resources are expected to be significant in Yemen. Efforts have been made to understand the expected changes and develop mitigation possibilities for the expected scenarios for a future... Climate change impacts on water resources are expected to be significant in Yemen. Efforts have been made to understand the expected changes and develop mitigation possibilities for the expected scenarios for a future sustainable use of resources and mitigation of expected impacts. The paper describes the development of a detailed baseline database and the assessment of climate change and variability impacts on water resources over the 2030, 2050 and 2080 time horizon on a Yemen-wide scale. Based on downscaled Global Climate Model data, a range of scenarios were established, representing potential Mean, Warm & Wet and Hot & Dry conditions as derived by evaluating worst case scenarios from the ensemble of the global models for the specified years. The results of the model include an estimated runoff coefficient, monthly rainfall, runoff, infiltration and evaporation representing the water balance in the different catchments. Analysis of the different evaluated scenarios shows that in the Mid, Warm and Wet scenario the hydrological components are generally higher than in the baseline scenario. For the Hot & Dry scenario, runoff, infiltration and evapotranspiration are decreasing due to the decreasing precipitation and increase in temperature. The relative changes in runoff are strongest. 展开更多
关键词 Climate change water resources GROUNDWATER spate flow ARID wadi hydrology
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HIGH-RESOLUTION NUMERICAL SIMULATION OF WIND ENERGY RESOURCE IN HAINAN PROVINCE AND ITS OFFSHORE WATERS
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作者 邢旭煌 朱蓉 +1 位作者 翟盘茂 俞卫 《Journal of Tropical Meteorology》 SCIE 2010年第3期292-298,共7页
With high resolution (1 kin), the distribution of wind energy resources in Hainan province and over its offshore waters is numerically simulated by using the Wind Energy Simulation Toolkit (WEST) model developed b... With high resolution (1 kin), the distribution of wind energy resources in Hainan province and over its offshore waters is numerically simulated by using the Wind Energy Simulation Toolkit (WEST) model developed by Meteorological Research Branch of Environment Canada. Compared with observations from eight coastal anemometric towers and 18 existing stations in the province, the simulations show good reproduction of the real distribution of wind resources in Hainan and over its offshore waters, with the relative error of annual mean wind speed being no more than 9% at the 70-m level. Moreover, based on the simulated results of WEST grids that are closest to where the eight wind towers are located, the annual mean wind speeds are further estimated by using the Danish software Wasp (Wind Atlas Analysis and Application Program). The estimated results are then compared with the observations from the towers. It shows that the relative error is also less than 9%. Therefore, WEST and WEST+WAsP will be useful tools for the assessment of wind energy resources in high resolution and selection of wind farm sites in Hainan province and over its offshore waters. 展开更多
关键词 wind energy resources Wind Energy Simulation Toolkit (WEST) wind speed high resolution numerical simulation
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A DYNAMIC EVALUATION MODEL OF MINERAL RESOURCE PROPERTY
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作者 芮建伟 冯志亮 《Journal of Coal Science & Engineering(China)》 2000年第2期87-91,共5页
Based on the value theory of mineral resource, a dynamic evaluation model of mineral resource property is erected, which not only takes the factors of extractions into consideration but also those of explorations. The... Based on the value theory of mineral resource, a dynamic evaluation model of mineral resource property is erected, which not only takes the factors of extractions into consideration but also those of explorations. The solution process of the model is described and the differential solution is presented. Then the paper comes to the conclusion that the differential solution is also the optimal depletion path of the resource. 展开更多
关键词 Hotelling Rule mineral resource property value dynamic evaluation
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