Jove
Visualize
联系我们

相关概念视频

Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
Topographic Surveying and Contours01:29

Topographic Surveying and Contours

Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
Plotting of Topographic Maps01:29

Plotting of Topographic Maps

Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
Methods of Obtaining Topography01:25

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
Manipulation and Analysis01:21

Manipulation and Analysis

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Study on the efficiency of dsRNAs with increasing length in RNA-based silencing of the <i>Fusarium CYP51</i> genes.

RNA biology·2019
Same author

Influence of aggregation on benthic coral reef spatio-temporal dynamics.

Royal Society open science·2019
Same author

New lipophilic rhodamines and their application to optical potassium sensing.

Journal of fluorescence·2013
Same author

[Value of the clinical examination in suspected meniscal injuries. A meta-analysis].

Der Unfallchirurg·2009
Same author

[Late patellar tendon rupture 10 years after anterior cruciate ligament reconstruction using a bone-patellar tendon-bone graft].

Der Unfallchirurg·2009
Same author

Function, osteoarthritis and activity after ACL-rupture: 11 years follow-up results of conservative versus reconstructive treatment.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA·2008
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关实验视频

Updated: Jul 12, 2026

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
10:23

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

Published on: May 8, 2015

排序有图案的地面的自我组织.

M A Kessler1, B T Werner

  • 1Complex Systems Laboratory, Cecil and Ida Green Institute of Geophysics and Planetary Physics, University of California, San Diego, La Jolla, CA 92093, USA. mkessler@es.ucsc.edu

Science (New York, N.Y.)
|January 18, 2003
PubMed
概括

在寒冷的环境中,自组织的石头和土壤模式源于结解周期. 这些循环产生反循环,将材料分类并移动石头,形成明显的圆形,多边形和条纹景观.

科学领域:

  • 地质形态学 地质形态学
  • 环境科学 环境科学
  • 土壤科学 土壤科学

背景情况:

  • 极地和高阿尔卑斯山地区呈现出引人注目的岩石和土壤的自我组织模式.
  • 这些有图案的地面特征包括圆圈,迷宫,多边形和条纹.
  • 这些模式的形成与环境条件有关,特别是融周期.

研究的目的:

  • 调查驱动图案地面自我组织的潜在机制.
  • 了解地质形态模式形成中的反机制的相互作用.
  • 基于物理过程,建模出不同模式的地面形态的出现.

主要方法:

  • 开发和实施模拟融周期的数值模型.
  • 整合了两个关键的反机制:冰晶体形成和石域挤压.
  • 在不同的条件下对模型输出进行分析,以确定模式形成控制.

主要成果:

  • 该模型成功地复制了各种有图案的地面特征,包括圆圈,迷宫,岛屿,多边形网络和条纹.
  • 图案类型取决于特定反机制的主导地位:分类 (圆圈,迷宫,岛屿) 与石块域限制 (多边形).
  • 山坡梯度被确定为条纹图案形成的关键因素.

更多相关视频

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
08:59

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps

Published on: October 28, 2018

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring
08:16

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring

Published on: October 24, 2025

相关实验视频

Last Updated: Jul 12, 2026

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
10:23

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

Published on: May 8, 2015

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
08:59

Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps

Published on: October 28, 2018

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring
08:16

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring

Published on: October 24, 2025

结论:

  • 结冰解周期是冷环境中自组织的石头和土壤模式的主要驱动因素.
  • 冰镜分类和石头运输/封闭之间的相互作用决定了由此产生的地质形态模式.
  • 数字建模提供了一个强大的框架,用于理解复杂的过程的模式地形形成.