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相关概念视频

Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

74
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
74
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

45
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
45
Typical Model Studies01:30

Typical Model Studies

356
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
356
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

160
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
160
Modeling and Similitude01:12

Modeling and Similitude

263
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
263
Levels of Use of a GIS01:29

Levels of Use of a GIS

49
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
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相关实验视频

Updated: Jun 27, 2025

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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SWAT模型的应用:从水文过程到生态系统服务.

Jie Zhao1, Ning Zhang1, Zhuochen Liu1

  • 1Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China.

The Science of the total environment
|April 25, 2024
PubMed
概括

土壤和水资源评估工具 (SWAT) 对于生态系统服务研究至关重要,从水文学发展到更广泛的评估. 未来的工作应该探索生态系统服务流,以改善环境管理.

关键词:
模型集成模型集成提供提供服务的服务.监管服务的服务.主题发展 专题发展

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Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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科学领域:

  • 环境科学 环境科学
  • 生态生态学 生态生态学
  • 水文学的水文学

背景情况:

  • 生态系统服务越来越被认为是人类福祉和环境管理的重要组成部分.
  • 土壤和水资源评估工具 (SWAT) 是生态系统服务研究的一个关键工具.
  • 要了解SWAT对生态系统服务的应用中不断变化的趋势,需要进行图书统计分析.

研究的目的:

  • 对SWAT在生态系统服务中的应用进行全面的文献分析.
  • 确定SWAT在生态系统服务研究中的关键主题发展和利用模式.
  • 探索研究重点从水文过程到综合生态系统服务评估的演变.

主要方法:

  • 使用Web of Science数据库进行了全面的文献审查,检索了534篇文章.
  • 使用CiteSpace软件进行共同引用分析,以识别开创性出版物和新兴主题.
  • 分析的重点是81篇与生态系统服务直接相关的同行评审出版物.

主要成果:

  • 生态系统服务中的SWAT应用已经从主要关注水文过程演变为更广泛的生态系统服务评估.
  • 研究的主要生态系统服务包括水产,土壤保留,水流调节,粮食供应和碳储存.
  • SWAT在量化与水有关的生态系统服务方面表现出独特的优势.

结论:

  • SWAT是评估各种生态系统服务,特别是与水有关的服务的宝贵工具.
  • 未来的研究应该强调生态系统服务流,使用SWAT来更好地了解人与自然的关系.
  • 通过基于SWAT的流量分析来增强理解,可以促进更全面的生态系统管理.