L9 Remote Sensing and GIS in the Real World by knowt

Vocabulary flashcards based on the lecture content from Remote Sensing and GIS in the Real World.

Remote Sensing

Collection of information about an object without direct physical contact.

GIS

Geographic Information System, a computer-based system for managing spatial data.

Electromagnetic Radiation (EMR)

Radiation that varies in wavelength and frequency.

Spectral Resolution

The ability to measure different portions of the electromagnetic spectrum.

Radiometric Resolution

How much information is in a pixel, expressed in bits.

Spatial Resolution

Determined by the altitude of the satellite and viewing angle.

Temporal Resolution

The frequency at which data is collected over time.

Geostationary Orbit

A satellite orbit that matches the Earth's rotation.

Polar Orbiting Satellite

A satellite that orbits the Earth from pole to pole.

Active Remote Sensing

Remote sensing technique that involves sending a signal and measuring its return.

Passive Remote Sensing

Remote sensing that relies on natural energy, such as sunlight.

Multispectral

Data collected in multiple wavelengths.

Hyperspectral

Data collected in many closely spaced wavelengths.

LIDAR

Light Detection and Ranging, a method for measuring distances using laser light.

Radar

Radio Detection and Ranging, a method for detecting objects and determining their distance.

Platform

Refers to the type of vehicle used for remote sensing, such as satellites or drones.

Image Processing

Techniques used to enhance or analyze images obtained from sensors.

Thermal Infrared Sensor (TIRS)

A sensor that detects infrared radiation and measures the temperature of objects.

Normalized Burn Ratio (NBR)

A method for assessing burn severity in landscapes.

Urbanization

The process of making an area more urban, often associated with population growth.

Wildlife Tracking

The use of remote sensing to monitor animals in their habitats.

Forestry Management

The application of GIS and remote sensing to manage forests effectively.

Environmental Assessment

Evaluation of the impacts of projects on the environment.

Agricultural Monitoring

Using remote sensing to assess crop conditions and yield.

Hydrology

The study of water in the environment, which can be monitored via remote sensing.

Disaster Management

Utilizing remote sensing for monitoring and responding to natural disasters.

Coastal Monitoring

Tracking changes along coastlines using remote sensing technology.

Land Cover

The physical material at the surface of the Earth, which can be observed using remote sensing.

Data Acquisition

The process of collecting data using sensors.

Data Visualization

Representing data graphically to understand it better.

Census Modeling

Using GIS to analyze and visualize population data.

Economic Development

Using spatial data to promote growth in local and regional economies.

Zoning

Regulation of land use to promote orderly development.

Environmental Risk Monitoring

Assessing potential environmental hazards using GIS.

Climate Change Analysis

Study of changing climate patterns through remote sensing data.

Coordinate System

System used to define locations on the Earth's surface.

Attribute Data

Descriptive information associated with spatial data.

Layering in GIS

Organizing data into layers for analysis and visualization.

Query Data

Asking specific questions of the data stored in a GIS.

Biophysical Monitoring

Tracking living systems using remote sensing.

Spatial Queries

Questions that involve location data.

Feature Extraction

Identifying and isolating specific features in an image.

Map Scale

The ratio of a distance on a map to the corresponding distance on the ground.

GIS Software

Programs designed to manipulate and analyze geographic data.

Data Integration

Combining data from different sources into a unified view.

Geospatial Data

Data that is associated with a specific location.

Datasets

Collections of related data.

Land Management

Using remote sensing to track land use changes and improve practices.

Geographic coordinates

A set of two or three numbers used to define a specific point on Earth.

Digital Orthophoto

An aerial photograph that has been geometrically corrected.

Raster Data

Data represented by a grid of cells, commonly used for imagery.

Vector Data

Data represented by points, lines, and polygons.

Data Layering

The practice of stacking various datasets to perform analysis.

Attribute Table

A table that contains data associated with features on a map.

Data Standards

Agreed-upon specifications for how data is formatted.

Remote Sensing Applications

Various uses of remote sensing data across sectors.

Geographic Analysis

The process of analyzing spatial patterns and distributions.

Population Growth Modeling

Predicting changes in population distribution over time.

Urban Sprawl

The uncontrolled expansion of urban areas.

Floodplain Mapping

Using GIS to identify areas at risk of flooding.

Wildlife Habitat Mapping

Mapping and monitoring habitats to conserve biodiversity.

Damage Assessment

Evaluating the impact of disasters using aerial imagery.

Census Analysis

Using demographic data to analyze population changes.

Agricultural Land Use Planning

Using GIS to optimize farming practices.

Urban Heat Islands

Urban areas that experience higher temperatures than surrounding areas.

Monitoring Land Use Changes

Using remote sensing to observe shifts in land use over time.

Natural Resource Management

Effective stewardship of natural resources using GIS.

Soil Surveying

Assessing soil types and conditions using remote sensing.

3D Mapping

Creating three-dimensional representations of geographic data.

Data Classification

The process of assigning categories to data.

Electrical Utilities Mapping

Using GIS to manage utility infrastructures.

Epidemiological Studies

Researching health patterns related to digital mapping.

Federal Preparedness

Planning for emergencies using GIS data.

Public Health Analysis

Using GIS to study population health data.

Site Suitability Analysis

Determining the most appropriate locations for specific uses.

Noise Pollution Mapping

Mapping areas affected by noise using integrated data.

Environmental Impact Assessment

Evaluating the environmental consequences of proposed projects.

Satellite Imagery

Images of Earth taken from satellites for photography and monitoring.

Field Surveys

Collecting data directly from the ground.

Remote Sensing Limitations

Challenges and restrictions in obtaining data via remote sensing.