Name: gis spatial analysis for planning
Uploaded: 2025-03-26T15:42:31.000Z
Duration: 1 min 21 s
Channel: JoVE

K12 Standards

Alabama Course of Study Science

9-12

Earth and Space Science

Earth's Systems

9-12.ESS.2.4.e

Manipulation and Analysis

Le SIG utilise les données obtenues pour la prise de décision et la planification grâce à une manipulation et une analyse avancées. Des techniques telles que la superposition combinent des couches de données pour évaluer les impacts, comme l’évaluation des infrastructures affectées par un lac endigué. La mise en mémoire tampon crée des zones de proximité autour des entités, facilitant la planification du site en identifiant les zones proches des plans d’eau ou des zones dangereuses. La méthode du chemin le moins coûteux calcule des itinéraires efficaces en tenant compte de la distance et des contraintes, ce qui la rend utile pour les itinéraires de véhicules d’urgence et les stratégies d’évacuation en cas de catastrophe. Le SIG prend en charge la planification des itinéraires d’évacuation, l’allocation des ressources et l’optimisation de l’emplacement des abris. L’analyse spatiale statistique évalue les relations entre les entités géographiques à l’aide d’outils tels que l’autocorrélation spatiale pour détecter les modèles ou le regroupement.  Les entreprises appliquent ces techniques pour la sélection des sites, tandis que les géologues les utilisent pour les prévisions de distribution des ressources. Les outils visuels, tels que le codage couleur et les diagrammes circulaires, représentent efficacement les données spatiales et attributaires. Adaptées à diverses applications, les cartes finales garantissent une prise de décision éclairée et une communication claire des résultats.

manipulation et analyse

Les fonctions de manipulation et d’analyse SIG sont essentielles pour la prise de décision et la planification. Ces activités vont des tâches de récupération de données, telles que la sélection d’informations basées sur des critères spécifiques, aux techniques analytiques avancées qui abordent des problèmes spatiaux complexes.Une méthode d’analyse SIG critique est la superposition, qui combine plusieurs couches de données pour examiner les impacts. Par exemple, le recouvrement de la limite d’un lac endigué par une rivière avec des réseaux routiers peut identifier les infrastructures touchées. Une autre technique courante est la mise en mémoire tampon, qui crée des zones de distance égale autour des entités. Les zones tampons sont utiles pour la planification d’un site, par exemple pour identifier les zones proches des plans d’eau ou des sites dangereux.La méthode du chemin le moins coûteux calcule les itinéraires optimaux en fonction de contraintes telles que la distance et le temps. Cette technique est cruciale pour l’acheminement des véhicules d’urgence et la planification de l’évacuation en cas de catastrophe. Par exemple, les SIG peuvent identifier les personnes évacuées, concevoir des itinéraires d’évacuation et attribuer efficacement les logements. De même, le SIG résout les problèmes de réseau en optimisant les itinéraires d’inspection ou en identifiant les emplacements idéaux pour les services publics tels que les postes de police, améliorant ainsi l’efficacité et la précision de la planification.L’analyse spatiale statistique évalue les relations et les dépendances entre les entités géographiques. L’autocorrélation spatiale, par exemple, examine comment des caractéristiques similaires ou différentes s’influencent mutuellement. Les entreprises utilisent cette technique pour sélectionner des emplacements optimaux en analysant des tendances telles que le clustering. De plus, le SIG utilise des statistiques spatiales pour les prévisions géologiques, telles que l’estimation de la distribution des minéraux.GIS excelle également dans la visualisation de données, intégrant des données spatiales et attributaires dans des cartes, des graphiques et des rapports thématiques. Des outils visuels tels que le codage couleur, les symboles gradués ou les camemberts communiquent efficacement des informations complexes. Par exemple, des cartes montrant les modes de déplacement par région peuvent aider à la prise de décision. Les résultats SIG sont disponibles dans divers formats, allant des rapports détaillés aux visualisations à grande échelle, garantissant des résultats d’analyse accessibles et exploitables.GIS offre des outils puissants pour résoudre des problèmes spatiaux du monde réel dans divers domaines grâce à ses capacités analytiques, statistiques et de visualisation.

Manipulation et analyse

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting ...

Education

Enseignement

JoVE Core

Civil Engineering

Génie civil

Unit 1

Unité 1

Geographic Information Systems (GIS)

Systèmes d'information géographique (SIG)

KEY TERMS AND CONCEPTS

TERMES ET CONCEPTS CLÉS

gis spatial analysis for planning

GIS spatial analysis supports planning and decision-making by turning map data into useful answers. It includes simple data retrieval, such as selecting records by specific criteria, and more advanced methods for solving spatial problems. These tools help users compare places, measure relationships, and present results clearly.

Overlaying is one key GIS method. It combines multiple data layers so users can study how one feature affects another. For example, overlaying a river-dammed lake boundary with road networks can show which roads may be affected.

Buffering is another common technique. A buffer creates a zone at a set distance around a feature. It is useful in site planning, such as finding areas near water bodies or hazardous sites. GIS also uses the least-cost path method to find the best route based on limits like distance and time. This is important for emergency vehicle routing and evacuation planning during disasters.

GIS can also solve network problems. It can help optimize inspection routes or identify good locations for public services like police stations. In disaster response, GIS can identify evacuees, plan evacuation routes, and help allocate housing efficiently. These uses improve both speed and accuracy in planning.

Statistical spatial analysis looks at relationships and dependencies between geographic features. Spatial autocorrelation, for example, tests whether nearby features are similar or different. Businesses use this type of analysis to choose locations by studying patterns such as clustering. GIS spatial statistics can also support geological predictions, including estimates of mineral distributions.

GIS also helps with data visualization. It combines spatial data and attribute data into thematic maps, graphs, and reports. Color coding, graduated symbols, and pie charts make complex information easier to understand. For example, maps that show travel modes by region can support decision-making. GIS outputs can appear in many formats, from detailed reports to large visual displays, so the results are easy to share and use.

GIS Spatial Analysis for Planning

introduction to gis

GIS Mapping and Spatial Analysis

Geographic Information Systems (GIS) are used to map, store, and analyze spatial data. Spatial data is information tied to a location. GIS also keeps related attributes, which are details about that location or feature. This lets users ask questions such as where something is and how far apart places are. GIS can connect many kinds of information to a map. For example, housing data can be linked to zip codes to study population density and housing distribution. The results are often shown with...

thematic layering in gis

GIS Maps for Site Planning

GIS maps help planners organize and compare geographic data for site planning. Before GIS, projects such as schools and public facilities required many separate data sources. Teams had to gather property boundaries, soil characteristics, road networks, zoning rules, and flood zones from courthouses, utility providers, and registry offices. Putting all of that information together often took several months. Geographic Information Systems, or GIS, changed that process. GIS is a computer-based...

levels of use of a gis

GIS for Data, Analysis, and Prediction

Geographic information systems, or GIS, support data management, analysis, and prediction. These three levels show how GIS becomes more powerful as it handles spatial data for different uses. The same system can store information, study patterns, and help estimate future outcomes. At the most basic level, GIS is used for data management. It can input, store, retrieve, and organize spatial data. This is common in infrastructure systems, such as sewer networks. GIS can also keep details like...

selected data about geographic locations

GIS Data Models for Mapping Places

Geographic Information Systems, or GIS, use spatial data and attribute data to map places and features. Spatial data gives the physical location of a feature in a coordinate system, often as latitude and longitude. It helps place roads, rivers, and buildings in the right spot. Attribute data adds details that describe those features. A road, for example, can be mapped by its start and end coordinates, then described by its name, type, surface material, and condition. Together, spatial and...

gis software, hardware, and sources of gis data

gis-software-hardware-and-sources-of-gis-data

GIS Tools, Devices, and Data Sources

Geographic Information Systems (GIS) use software, hardware, and data sources to manage and study spatial information. GIS software helps users move through the system, store spatial and attribute data, and find information quickly. It also includes tools for analysis and display, so users can turn raw data into useful maps and reports. Some GIS programs also add advanced features such as network analysis. Network analysis helps with tasks like routing and logistics. The best software choice...

manipulation and analysis

GIS spatial analysis supports planning and decision-making by turning map data into useful answers. It includes simple data retrieval, such as selecting records by specific criteria, and more advanced methods for solving spatial problems. These tools help users compare places, measure relationships, and present results clearly. Overlaying is one key GIS method. It combines multiple data layers so users can study how one feature affects another. For example, overlaying a river-dammed lake...

coordinates and map projections

Latitude, Longitude, and Flat Maps

Latitude, longitude, and map projections are the tools cartographers use to place Earth on a map. Latitude tells how far a point is north or south of the equator. Longitude tells how far it is east or west of the prime meridian. Together, they create a grid that can locate any place on Earth and support GPS and other global navigation systems. Map projections solve the problem of showing Earth’s curved surface on a flat page. That change always creates some distortion. Because of that,...

applications of gis: disaster management and emergency response

applications-of-gis-disaster-management-and-emergency-response

GIS for Flood Risk and Relief Planning

Geographic Information System (GIS) technology helps emergency teams plan for floods and other natural disasters. It combines spatial data, which shows where things are, with demographic data, which shows who lives there. This gives planners a clear way to identify risk, choose actions, and use resources well during critical events. GIS can build flood risk maps by layering rainfall intensity, topography, elevation profiles, and river levels. These layers help show areas that may flood because...

design example: alignment of a road line using gis

design-example-alignment-of-a-road-line-using-gis

Using GIS to Compare Road Route Options

GIS can help engineers compare road route options before a road is built. Geographic Information Systems use geospatial data, which is location-based information, to study the land and plan a safe and practical route. The route study starts with data on land cover, geomorphology, drainage patterns, slope, and contour details. This information is often gathered from satellite imagery and GIS tools. Together, these layers show how the terrain changes across the project area. After the data is...

key terms and concepts

Learn how GIS spatial analysis supports planning with overlaying, buffering, least-cost paths, network routing, spatial statistics, and clear map-based visualization.

GIS Spatial Analysis for Planning | JoVE K12

JoVE Core Civil Engineering provides a foundational exploration of essential construction materials in civil engineering, focusing on bricks, stones, steel, wood, and concrete through easy-to-understand animated videos. This collection covers the properties, manufacturing processes, and practical applications of these materials. Additionally, the accompanied science-in-action videos demonstrate the research experiments performed in laboratories.

civil engineering

9-12.ESS.2.6.d

9-12.ESS.2.7.e

9-12.ESS.2.8.c

Environmental Science

Unity and Diversity

9-12.EVS.2.3.b

Earth and Human Activity

9-12.EVS.4.6.b

physical-properties-of-minerals-i-crystals-and-cleavage

Physical Properties Of Minerals I: Crystals and Cleavage

Source: Laboratory of Alan Lester - University of Colorado Boulder
The physical properties of minerals comprise various measurable and discernible ...

physical-properties-of-minerals-ii-polymineralic-analysis

Physical Properties Of Minerals II: Polymineralic Analysis

Source: Laboratory of Alan Lester - University of Colorado Boulder
The physical properties of minerals include various measurable and discernible ...

Types of Building Stone

Building stones are sourced by extracting rock from natural rock deposits and shaping it into the specific forms and dimensions needed for building ...

4. Obtain, evaluate, and communicate information about the geologic conditions and processes that form different Earth materials.

9-12.ESS.2.4

Igneous Intrusive Rock

Source: Laboratory of Alan Lester - University of Colorado Boulder
Igneous rocks are products of the cooling and crystallization of high temperature ...

Igneous Volcanic Rock

Source: Laboratory of Alan Lester - University of Colorado Boulder
Igneous rocks are the products of cooling and crystallization of magma. Volcanic rocks ...

Quarrying of Stone

Quarrying involves the meticulous extraction of stone from a quarry by either using controlled explosions or precision cutting techniques to remove the ...

a. Plan and carry out investigations to explore the processes that form plutonic (intrusive) and volcanic (extrusive) igneous rocks of differing compositions and textures. Example: Conduct a crystallization experiment to determine how speed of cooling affects crystal size.

9-12.ESS.2.4.a

Acid Attack on Concrete

Acids interacting with concrete dissolve the hydrated cement paste, leading to a softened and structurally weakened material.
Acidity breaks down the ...

Abrasion Resistance of Concrete

Concrete abrasion can occur from vehicular wear on surfaces or abrasive solids in water, which erodes canal linings.
The shot-blast test evaluates ...

turbidity-and-total-solids-in-surface-water

Turbidity and Total Solids in Surface Water

Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University
Turbidity and total solids are related measurements addressing clarity of ...

b. Analyze and interpret data to explain the effects of mechanical and chemical weathering and erosion on Earth's materials by wind, water, ice, and gravity.

9-12.ESS.2.4.b

Making a Geologic Cross Section

Source: Laboratory of Alan Lester - University of Colorado Boulder
Geologic maps were first made and utilized in Europe, in the mid-to-late 18th century. ...

c. Construct an explanation using evidence from experiments, models, or data of the processes that create and transform igneous, sedimentary, and metamorphic rocks.

9-12.ESS.2.4.c

Pore Size Distribution

Capillary pores are considerably larger than gel pores, and various pore sizes exist within the hardened cement paste.
In conditions of partial hydration, ...

determination-of-moisture-content-in-soil

Determination of Moisture Content in Soil

Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona
Demonstrating Author: Bradley Schmitz
Soils normally contain a ...

non-destructive-tests-for-concrete-strength

Non-destructive Tests for Concrete Strength

Non-destructive tests, such as the rebound hammer test and penetration resistance test, can be used to determine the strength of concrete in an existing ...

d. Plan and conduct an investigation on water's effect on surface and subsurface processes. Examples: Use particles of varying sizes to determine how the speed of water impacts particle distribution. Use the porosity and permeability of particles of various sizes to determine how the size and sorting of particles affects water movement.

9-12.ESS.2.4.d

GIS Software, Hardware, and Sources of GIS Data

A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS ...

Using GIS to Investigate Urban Forestry

Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University
Urban forests broadly include urban parks, street trees, landscaped ...

e. Obtain and communicate information about significant geologic characteristics in Alabama and the southeastern United States. Examples: types of rocks, caves, sinkholes, minerals, energy resources

The Fossil Record

The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms ...

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of ...

5. Obtain, evaluate, and communicate information about major events in Earth's history.

9-12.ESS.2.5

Radioactive Decay and Radiometric Dating

Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. ...

Isotopes

Elements have a set number of protons that determines their atomic number (Z). For example, all atoms with eight protons are oxygen; however, the number ...

a. Analyze and interpret data to sequence events in Earth's history, including relative and absolute dating techniques, principles of superposition and crosscutting relationships, igneous intrusions, radiometric dating, and the fossil record.

9-12.ESS.2.5.a

Extinction

The History of Life on Earth
Fossils of organisms that were different from anything alive today had been documented as early as the 17th century, but it ...

b. Construct an explanation based on evidence of how catastrophic and long-term events have impacted life on Earth, including mass extinctions.

9-12.ESS.2.5.b

The Colonization of Land

Changes in the environment of the early Earth drove the evolution of organisms. As prokaryotic organisms in the oceans began to photosynthesize, they ...

The Carbon Cycle

Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among ...

What is Photosynthesis?

Photosynthesis is a multipart, biochemical process that occurs in plants as well as in some bacteria. It captures carbon dioxide and solar energy to ...

c. Construct explanations from evidence of how the flow of energy through Earth's systems has changed over time. Example: Earth's oxygen level was lowest during the Cryptozoic Eon (Precambrian) and highest in the Carboniferous.

9-12.ESS.2.5.c

an-overview-of-bgdgt-biomarker-analysis-for-paleoclimatology

An Overview of bGDGT Biomarker Analysis for Paleoclimatology

Source: Laboratory of Jeff Salacup&#160;- University of Massachusetts Amherst
Throughout this series of videos, natural samples were extracted and ...

an-overview-of-alkenone-biomarker-analysis-for-paleothermometry

An Overview of Alkenone Biomarker Analysis for Paleothermometry

d. Obtain, evaluate, and communicate information about important tectonic and geologic events that have occurred in Alabama over geologic time. Examples: geologic ages and types of rocks, fluctuations in sea levels, temperature changes

9-12.ESS.2.5.d

determining-spatial-orientation-rock-layers-with-brunton

Determining Spatial Orientation of Rock Layers with the Brunton Compass

Source: Laboratory of Alan Lester - University of Colorado Boulder
Most rock units exhibit some form of planar surfaces or linear features. Examples ...

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3&#8211;12 are ...

6. Obtain, evaluate, and communicate information about the theory of plate tectonics.

9-12.ESS.2.6

a. Construct an evidence-based explanation of continental drift, basing conclusions on comparisons of coastlines, fossils, ages of rocks, climate, and magnetic patterns.

9-12.ESS.2.6.a

b. Construct an explanation, based on evidence, of tectonic plate movement, types of plate boundaries, and how boundary type relates to specific tectonic features, including mountain ranges, earthquakes, volcanism, volcanic islands, hotspots, mid-ocean ridges, and faults.

9-12.ESS.2.6.b

c. Develop and interpret a model of Earth's internal structure and composition, including inner core, outer core, asthenosphere, lithosphere, mantle, and crust.

9-12.ESS.2.6.c

d. Analyze data to interpret seismic activity and assess the risk of volcanic eruptions and earthquakes in Alabama and other areas in the United States.

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical ...

Coordinates and Map Projections

Coordinates and map projections are essential tools in accurately representing the Earth's surface for various applications, ranging from navigation to ...

Mechanisms of Heat Transfer I

Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature ...

Mechanisms of Heat Transfer II

In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the ...

Heat Flow and Specific Heat

Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of ...

conduction-convection-and-radiation-problem-solving

Conduction, Convection and Radiation: Problem Solving

There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting ...

The Water Cycle

The Earth&rsquo;s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, ...

phase-transitions-vaporization-and-condensation

Phase Transitions: Vaporization and Condensation

The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize ...

Phase Changes

Phase transitions play an important theoretical and practical role in the study of heat flow. In melting or fusion, a solid turns into a liquid; the ...

States of Matter and Phase Changes

The internal energy of a substance&#8212;the total kinetic energy of all its molecules and the potential energy of their associated forces&#8212;depends ...

7. Obtain, evaluate, and communicate information about the role of energy transfer in wind, precipitation, cloud formation, and front formation.

9-12.ESS.2.7

a. Obtain and communicate information to explain how water cycles through the atmosphere, including condensation, evaporation, clouds, types of precipitation, relative humidity, and dew point.

9-12.ESS.2.7.a

Specific Heat

The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. ...

Temperature and Thermal Equilibrium

Heat and temperature are essential concepts for everyone every day. The study of heat and temperature is part of an area of physics known as ...

Quantifying Heat

Thermal Energy&#160;

Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a ...

b. Plan and carry out an investigation to determine the differential heating of land and water and explain how these differences create changes in local and global weather. Example: Heat water and soil under lamps for 10 minutes and allow water and soil to cool for 10 minutes, then apply the results to explain land and sea breezes.

9-12.ESS.2.7.b

definition-measurement-pressure-atmospheric-pressure-barometer

Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer

Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small, any ...

gas-laws-boyle-s-gay-lussac-charles-avogadro-s-and-ideal-gas-law

Gas Laws: Boyle's, Gay-Lussac, Charles', Avogadro's, and Ideal Gas Law

Through experiments, scientists established the mathematical relationships between pairs of variables, such as pressure and temperature, pressure and ...

Ideal Gas Equation

The ideal gas equation is an equation of state that relates the state variables pressure, volume, temperature, and the number of moles of a hypothetical ...

c. Construct an explanation of how air masses, source regions, fronts, weather changes associated with frontal passage (including cold, warm, occluded, and stationary fronts), air pressure, air density, temperature, cloud types, and precipitation are related to each other.

GIS Spatial Analysis for Planning

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