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Abstract: Ecotourism is an effective carrier and an important starting point for the construction of ecological civilization, the best way and important way to build a resource-saving and environment-friendly society and develop a low-carbon economy. It is a strong support and important content for building a healthy and beautiful China and realizing the Chinese dream. Under the background of three pressures, correctly studying and judging the new pattern of China's ecotourism development can promote the tourism industry to develop better. This paper extends the concept of ecotourism from the perspective of the "five in one" big system, and defines ecotourism as a social activity that takes the Natural Ecotourism subsystem as the core content and includes six subsystems, namely, the economic ecotourism subsystem, the cultural ecotourism subsystem, the social ecotourism subsystem, the political ecotourism subsystem and the health ecosystem subsystem. It also analyzes the development trend of ecotourism from the perspective of eight major regions and cities, and puts forward policy suggestions such as doing a good job in unified planning of ecotourism, increasing publicity and education, constantly improving relevant laws and regulations of ecotourism, and increasing the ecological added value of ecotourism, focusing on the opportunities and challenges faced by ecotourism at present.Abstract: Ecotourism is an effective carrier and an important starting point for the construction of ecological civilization, the best way and important way to build a resource-saving and environment-friendly society and develop a low-carbon economy. It is a strong support and important content for building a healthy and beautiful China and realizing the Chi...Learn More
Abstract: This study investigated the characterization of borehole sediment and the impact of contaminants on groundwater quality in the Rukpokwu Community in the delta of Nigeria. The investigation supported by spatial data supported by GIS techniques provides a data baseline for the monitoring of organo-contaminants in groundwater quality in Rukpokwu. This low pH of the groundwater and irritation of the throat and mouth became a concern to the residents. This study is necessary because of the limited data on the level of organic contamination in groundwater in this section of the delta of Niger in Nigeria. So, there was a need to track the source of contamination in this part of the delta of Niger in Nigeria. These previous studies have suggested a highly permeable open aquifer in similar deltaic terrain. Ten (10) samples of borehole sediment and water collected at 30 m depth were being analyzed for textural and physicochemical characteristics. The parameters analyzed include Iron (Fe), Total Petroleum Hydrocarbon &Total Hydrocarbon Content (i.e., TPH and THC respectively) of borehole sediment in association with groundwater quality. Ten (10) sediment samples collected at a depth of 30m and were being analyzed for mean, sorting, skewness and kurtosis, using standard laboratory procedures. Coarse silt, poorly sorted and negatively skewed were the characteristics of the borehole silt. The Kurtosis suggested the leptokurtic and platykurtic nature of the sediment. The TPH and THC range from 0.58 to 0.85 mg/L and 1.26 to 2.84 mg/L respectively. The Fe and pH range in the sediment were 0.85 to 2.46 mg/L and 4.43 to 6.02 respectively. However, Fe in the groundwater ranges from 0.12 to 0.21 mg/L. The results were above the World Health Organization's acceptable contaminant level. Based on the piece of evidence provided by spatial data mapping and textural parameters, the characteristics of the borehole sediment significantly controlled the ingress of contaminants into the groundwater. The source of groundwater contamination is the abnormal concentrations of organic contaminants. These results significantly impact human health in the food chain. This study provides information to the environmental agency for a clean-up process.Abstract: This study investigated the characterization of borehole sediment and the impact of contaminants on groundwater quality in the Rukpokwu Community in the delta of Nigeria. The investigation supported by spatial data supported by GIS techniques provides a data baseline for the monitoring of organo-contaminants in groundwater quality in Rukpokwu. This...Learn More
Abstract: As a new class of pollutants, endocrine disruptors were widely distributed in environmental media such as air, soil, surface water and groundwater, which could interfere with the endocrine system of living organisms, had gradually become a major global issue and caused the world's universal concern. Groundwater was an important “Source” and “Sink” of EDCs, which could accumulate EDCs continuously and pose a great threat to human health and ecosystem. Therefore, the detection methods of EDCs in groundwater were summarized from two stages of pretreatment and analysis test, and the sources of EDCs in groundwater were analyzed from two aspects of endogenous and exogenous, the content distribution of EDCs in groundwater in some areas of our country were sum up, the harm of EDCs in groundwater was probed into from two angles of human health and ecosystem, and the treatment methods of EDCs in groundwater, such as physical chemistry method, biological treatment method and advanced oxidation method, were mainly introduced. Finally, the research problems and future development directions of EDCs in groundwater in our country were summarized and prospected respectively, in order to provide a reference for the prevention and control of groundwater EDCs pollution in our country.Abstract: As a new class of pollutants, endocrine disruptors were widely distributed in environmental media such as air, soil, surface water and groundwater, which could interfere with the endocrine system of living organisms, had gradually become a major global issue and caused the world's universal concern. Groundwater was an important “Source” and “Sink” ...Learn More
Abstract: With the transformation of geological prospecting units in China to multiple business areas, the types and contradictions of identification and evaluation of technological achievements have also increased substantially. Taking 288 project achievements completed by a Bureau in the six years from 2016 to 2021 as an example, this paper quantitatively extracts and sets up a variety of award scoring parameters, and divides the outstanding project achievement awards into: Geological exploration, engineering construction, mining development, ecological civilization construction, surveying and mapping geographic information, scientific research and prediction, and technical advisory services. The selection scope covers all industrial categories in the transition period of geological prospecting units. The evaluation results reflect the role of opening up the grade and encouraging the advanced. The revision and formulation of the management method has improved a lot in terms of fairness, impartial and rationality, but the leading role in scientific and technological innovation is still insufficient and needs to be further improved. By statistical analysis, the distribution model of the quantitative score of the award is established, and it is considered that the better award results should conform to the normal distribution or T distribution with initial right deviation. With the evaluation system from the emphasis on output value to the emphasis on innovation-oriented, the mathematical statistics distribution law of the evaluation result score should show the change of à distribution characteristic form under the condition of á = 4.Abstract: With the transformation of geological prospecting units in China to multiple business areas, the types and contradictions of identification and evaluation of technological achievements have also increased substantially. Taking 288 project achievements completed by a Bureau in the six years from 2016 to 2021 as an example, this paper quantitatively ...Learn More
Abstract: Variation function is a basic tool used in geostatistics. Modern geostatistics using variation function as a tool for the result of the qualitative geology to quantitative geology development. Variation function has not only been widely used in the calculation of modern geological and mineral resources reserves, but also extended to the description of environmental pollution and the spatial migration of elementions. Variogram is a set of deterministic and statistical theoretical tools for understanding and simulating spatial variables. Taking the variogram as a tool which is in the most commonly used in modern geostatistics, the variogram model can be divided into three categories according to the value of the base station or not, the first is the base-station value, which is divided into spherical model, exponential model, Gauss model and pure nugget effect model; The second is the base-free model, which is divided into linear model, power function model, logarithmic function model and cubic model, and the third is hole effect model. Based on the modern geostatistics is most commonly used for variational function tool, analyses the spatial structure change and the variational function of geological body composition variables between the mathematical characteristics, types and its related geological significance, combined with solid mineral, oil and gas resources in the field of practical application examples of analysis of the variation function application problems of stability, etc, and gives his own understanding. It is considered that variation function is a meaningful tool for geological quantitative analysis and visual display of composition in the modeling of mineral geological features when the data amount meets certain sufficient conditions and the research object is applied.Abstract: Variation function is a basic tool used in geostatistics. Modern geostatistics using variation function as a tool for the result of the qualitative geology to quantitative geology development. Variation function has not only been widely used in the calculation of modern geological and mineral resources reserves, but also extended to the description...Learn More
Abstract: Greening is an indispensable part of the process of urbanization. In the process of social progress and scientific and technological development, the demand for urban greening management is growing, and the difficulty is also improving. The traditional greening management method is cumbersome and the data is not accurate enough to meet the management needs of the current era. Therefore, informatization has gradually become the mainstream of greening management. Under this background, this system starts from the two core modules of plant irrigation and daily maintenance in traditional greening management, expands and extends the functions of the system, and finally completes the greening management system based on GIS design and development through field investigation of the greening management on campus and demand analysis combined with this situation. The system mainly has five functional modules: regional management, water volume monitoring, problem reporting, task processing and information summary. The users of the greening management system can query the information and attributes of the greening area, monitor the irrigation water volume, deal with the problems occurred in the greening area, and view the staff's work progress and records on the PC side. At the same time, the system has also been developed on the mobile terminal, which improves the efficiency of greening management.Abstract: Greening is an indispensable part of the process of urbanization. In the process of social progress and scientific and technological development, the demand for urban greening management is growing, and the difficulty is also improving. The traditional greening management method is cumbersome and the data is not accurate enough to meet the manageme...Learn More
