Academic literature on the topic '"ICOLD and Leopold matrices"'

Las zonas de producción truchícola en Chucuito, Juli y Pomata, presentan una eminente y elevada influencia directa – lineal, del manejo de la producción de trucha en el Impacto Ambiental, corroborado por los análisis cualitativos de las Evaluaciones de Impacto Ambiental mediante matrices de Leopold modificadas, en relación con las observaciones e interpretaciones de los indicadores ambientales en las zonas de estudio; el manejo de la producción de trucha en las tres zonas de estudio, son relativamente buenos en función a los factores óptimos de producción los cuales son: capacitación técnica, trazabilidad, alimentación, limpieza, estandarización en peso y talla, comercialización, productividad y rentabilidad, adicionalmente estas fueron analizadas con la prueba estadística paramétrica de análisis de varianza, en un diseño factorial. Corroborando, la influencia del manejo de la producción de trucha en el impacto ambiental de la región de Puno, se ideó y experimentó una mitigación ambiental, mediante mallas receptoras de sedimentos suspendidos; además reafirmando esta influencia se procedió a recolectar muestras del sustrato batimétrico a diferentes profundidades de sumersión. Posteriormente, se evaluaron tres principales parámetros fisicoquímicos en la producción de trucha, los cuales son: pH, oxígeno disuelto y temperatura, estos fueron analizados con la prueba paramétrica de análisis de varianza, en un diseño de bloques completamente al azar. Finalmente, los resultados de las Evaluaciones de Impacto Ambiental de cada zona de estudio, indican que es posible seguir llevando adelante esta actividad acuícola; considerando siempre, medidas correctivas y de mitigación para los impactos negativos y medidas de optimización para los impactos positivos.

Este estudio aborda la necesidad urgente de integrar la contabilidad de gestión ambiental en las actividades de turismo rural del cantón Santa Ana, Ecuador, debido al creciente deterioro ambiental ocasionado por impactos no registrados ni gestionados adecuadamente. Aunque Ecuador cuenta con un marco legal ambiental robusto incluyendo el Sistema Nacional de Contabilidad Ambiental, persisten importantes limitaciones en su aplicación práctica, especialmente en lo referente al registro y cálculo de los costos ambientales derivados del turismo. Esta carencia impide una toma de decisiones efectiva y limita la planificación hacia un desarrollo sostenible. La investigación se basa metodológicamente en el ciclo de mejora continua de Deming (Planificar-Hacer-Verificar-Actuar), e integra herramientas como observaciones de campo, consultas a expertos, matrices de impacto ambiental (adaptadas de la Matriz de Leopold) y métodos de valoración económica basados en los gastos de mitigación. El procedimiento propuesto se estructura en cuatro etapas principales: planificación, análisis del ciclo de vida de las actividades turísticas, valoración económica de los impactos ambientales y análisis de sostenibilidad. Los resultados evidencian una desconexión entre la normativa ambiental vigente y su implementación práctica: los costos ambientales frecuentemente no se reflejan en los informes contables y existe una carencia de procedimientos estandarizados, así como de personal capacitado en contabilidad ambiental. El procedimiento diseñado permite identificar y valorar los impactos del turismo sobre los ecosistemas, estimar sus costos de mitigación y proporcionar información clave para fortalecer la toma de decisiones. En consecuencia, este enfoque no solo promueve la contabilidad ambiental, sino que también contribuye al cumplimiento de políticas públicas orientadas a la conservación de los recursos naturales y al desarrollo de un turismo verdaderamente sostenible.

Scientific natural science, which had been established in European culture since the mid-17th century, began to transmit samples of scientific knowledge into the field of studying social reality. Until the 19th century, the only mental form of reflecting this reality was “primary history,” as Hegel defined it, i.e. tradition of historiography coming from Herodotus. This tradition received its design, oriented towards the field of scientific rationality, from the German historian Leopold von Ranke: to show “how it really was” (wie es eigentlich gewesen). Its social function is the formation of national historical memory. But methodological reflection at the turn of the 19th and 20th centuries revealed, as it seemed to it, two radical differences between “primary history” and other “sciences of culture” from natural science. In this regard, the categories of “values” and “understanding” were emphasized. The presence of these categories in the foundations of any science determines its specification as a humanitarian science. The first attempts to transfer certain aspects of the disciplinary matrices of natural science to the sphere of social science are associated with the names of Kant and Marx. Both attempts were unsuccessful. But, unlike Kant’s, the “materialist understanding of history” found its supporters and successors. Its main error is the unlawful direct transfer of the semantic content of the category “matter”, as it developed in natural science (the relationships of things), to the relationships between people endowed with consciousness. The addressee of social sciences are cultural forms, the existence of which has an objective status of existence, but relative to the individual consciousness of acting people. These are, for example, social institutions. The humanities deal with meanings, the existence of which is determined by systems of social communications.

Today Environmental Impact Assessment (EIA) is known as one of the most important tools for decision makers in the construction of civil and industrial projects towards sustainable development. In the past, projects were evaluated based on cost and benefit analysis regardless of the physical and biological environmental effects and its socio-economical impacts. According to the Department of Environment (DOE) of Iran's regulations, the construction of hydroelectric dams is an activity that requires an EIA report. In this paper the environmental impact assessment of the Gotvand hydro-electrical dam has been evaluated in the three environment elements, biological, Physical-chemical and cultural units. This dam is one of the largest dams in Iran with a volume of 4500 MCM and is going to be the last dam on the Karoon River in the south of Iran. In this paper the ICOLD (International Commission on Large Dams) technique was employed for the environmental impact assessment of the dam. The research includes all socio economical and environmental effects of the dam during the construction and operation of the hydro electric dam and Environmental management, monitoring and mitigation of negative impacts were analyzed. In this project the results led to using some techniques to protect the destructive impacts on biological aspects beside the effective long time period impacts on the biological aspects. The impacts on physical aspects are temporary and negative commonly that could be restored and rehabilitated in natural process in the long time in operation period.

Purpose: The research examines the variation of soil erodibility index and physical characteristics due to iron placer mining activities and assesses the environmental impact of mining project by using MICOLD matrices.Methods: The research employed field samplings, laboratory analysis, and statistical analysis to study the variation of soil erodibility index and physical characteristics caused by iron placer mining activities. The study collected soil samples from the study area and conducted laboratory analysis to examine the physical and chemical properties of the soil. Statistical analysis was performed to analyze the data and identify the variation in soil erodibility index compared to natural conditions. Also, by modifying ICOLD matrices, environmental impact assessment of the project was evaluated.Results: The results of the paper indicate that there are significant differences between treated and untreated soils in terms of physical and chemical properties. The soil erodibility property (Ks) differs by −14.71% from natural conditions in top soils, although not significant statistically. In subsoil, Ks, clay, sand, Sp, Cu, Zn, Mn, Fe, and K differ significantly from untreated conditions (−43.38%, 35%, −15.07%, 5.28%, −192.50%, −242.55%, −101.86%, −333.34%, and −31.41%). The matrix of prediction and identification of the impacts related to the implementation of the mining project was created in two phases (construction phase and exploitation phase), the results of which show the total points in the construction phase and the exploitation phase have positive impacts and are equal to +71 and +171, respectively.Conclusions: The study examines the effects of iron placer mining operations on soil erosion characteristics and erodibility and suggests environmentally friendly solutions for minimizing the effects of mining on soil erosion. The research findings highlight the importance of considering physical characteristics of soils such as texture, infiltration, bulk density, and soil erodibility in evaluating the performance and efficiency of any project implemented on the Earth’s surface. It emphasizes the need for designing well‐operated devices and structures with little environmental damage to promote eco‐innovation and green growth. The paper suggests that the environment is the most critical aspect of green surface mining, followed by efficiency and safety, and highlights the importance of microorganisms in mining environments and their role in constructing and producing primary succession for plant communities.

En el Centro de Biotecnología Agropecuaria (CBA) del ServicioNacional de Aprendizaje (SENA), ubicado en el kilómetro 7 dela finca vía Mosquera, y que cuenta con unidades productivasde aprendizaje abiertas a la comunidad académica, científicay empresarial, en las que se identifica la importancia degestionar una unidad productiva de evaluación ambientalinicial de los recursos naturales como eje piloto de liderazgoen gestión ambiental, debido al desconocimiento por parte delos aprendices en formación de la gestión e implementaciónde acciones y normativas ambientales para el desarrollo de procesos productivos y actividades transversales en entornosabiertos de aprendizaje en unidades de producción agropecuaria.Este artículo de investigación se realizó evaluando y valorandolos procesos productivos con énfasis ambiental y los impactosgenerados en la unidad productiva de recursos naturalesdel SENA CBA. El enfoque es cualitativo con un diseño noexperimental y de campo, con un alcance descriptivo de lasvariables teóricas: impacto ambiental, sostenibilidad ambientaly unidad de producción. El método utilizado fue la observaciónde campo. Los datos fueron recolectados con un cuestionarioaplicado por el líder de la unidad productiva para identificar yanalizar los procesos ambientales y de producción, destacandolas oportunidades de mejora para planificar estratégicamente.Se aplicaron listas de verificación y se elaboraron matrices deevaluación de impacto ambiental con base en el modelo matricialde Leopold, identificando así el impacto ambiental cualitativoy cuantitativo, clasificando los productos en sólidos, líquidos,gaseosos y otros, finalmente se identificaron los peligros yse clasificaron en fuente, situación y acción para fortalecerestratégicamente el impacto ambiental de la unidad productiva.

L'histoire du théorème de Jordan est abordée sous l'angle d'une question d'identité posée sur la période qui sépare la date de 1870 et l'énoncé par Camille Jordan d'une forme canonique des substitutions linéaires des années trente du vingtième siècle au cours desquelles le théorème de Jordan de la décomposition matricielle acquiert une place centrale dans la théorie des matrices canoniques. A partir d'un moment historique de référence, la controverse entre Jordan et Kronecker en 1874, le théorème de Jordan permet de jeter un regard original sur l'histoire de la période 1870-1930 en suivant le rôle joué par des savoirs tacites, des idéaux et des pratiques propres à des réseaux et des communautés. Elle permet notamment de mettre en évidence la dynamique d'une tension entre formes canoniques et invariants dans l'évolution de la signification de la notion de forme en mathématiques et contribue à l'histoire de l'algèbre linéaire en décrivant le rôle joué par une méthode de décomposition indissociable d'un mode particulier de représentation : la décomposition matricielle<br>The thesis takes as its point of departure the Jordan decomposition theorem and traces its evolution over the sixty-year period from its statement by Camille Jordan in 1870 to 1930 and the emergence of the theory of canonical matrices. A historical analysis of this particular theorem serves as a lens not only on internal developments of the evolving mathematics discipline of algebra but also on the external developments of mathematics as an internationalizing discipline in the decades around the turn of the twentieth century. The thesis draws from the study of networks of sources in order to analyze the theorem's transformation from a result in nineteenth-century group theory to one in the new twentieth century area of linear algebra, while, at the same time, the thesis explores issues of community formation and the role of tacit knowledge in the evolution of mathematical methods. The thesis will focus on a history the decomposition of matrices as a method of decomposition of a particular form of representation

The main idea of the study was to automate the environmental impact assessment process. The subject of the research is the process of algorithmization and automation of environmental impact assessment. During the research, the methods of impact assessment as tools for analyzing the impact of road repair processes are considered in detail. And also the mathematical device which can be applied to an estimation of influence on environment of processes of construction and reconstruction of roads is algorithmized. The main aspects of the impact during the technological process of road repair, which formed the criterion basis for environmental impact assessment, are characterized and formed. The methodology of this study is based on the use of a combined approach to environmental impact assessment using the improved Leopold matrix and its further study using the Harrington function. At each stage of both the implementation of the stages of the environmental impact assessment and the processes themselves during the construction and reconstruction (repair) of the highway, the information can be presented in the form of different matrices. Based on the methodology and algorithm for quantifying the impact on the environment using the Leopold matrix and the Harrington desirability function, an electronic service – Electronic Calculator Environmental Impact Assessment (ECEIA) was developed. The general structure of the Electronic Service includes two main blocks: Block "Database" and Block of calculation, between which there is a direct relationship. Development and implementation of a basic version of a full-featured effective interactive e-service for independent environmental impact assessment according to clearly defined indicators and methods of their assessment contributes to the maximum reduction of the human factor in environmental impact assessment and prevention of possible corruption. When developing the basic version of the Electronic Service, the possibility of further implementation of its additional functions was taken into account, in particular, the possibility of further authorization of users through the use of EDS / QES was provided; expanding the criteria base for environmental impact assessment and technological processes for assessing their impact on the environment; integration of external information into the database of the Electronic Service; tracking and visualization of information on the results of environmental impact assessment of various types of planned activities.