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Remote Sensing Puts Focus on Climate Change

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Optical science supplies answers to questions related to changes in the environment and provides a mechanism to chart improvements into the future.

MARIE FREEBODY, CONTRIBUTING EDITOR

As temperatures and carbon dioxide concentrations rise to levels not previously recorded, shifts in weather and other environmental changes are impacting the global landscape. With the U.N. recording one climate-related crisis every week in 2019, such as the forest fires in the U.S. and bushfires in Australia, the consequences of such a globally disrupted climate are many and difficult to track. This is so because of variables such as altitude, movement, and the size of equipment used to measure these phenomena. The near-infrared band from the multispectral instrument (MSI) of...Read full article

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    Published: May 2020
    Glossary
    remote sensing
    Remote sensing is a method of data collection and observation where information about objects, areas, or phenomena on Earth's surface is gathered from a distance, typically using sensors onboard satellites, aircraft, drones, or other platforms. This technique enables the monitoring and analysis of Earth's surface and atmosphere without direct physical contact. Remote sensing systems capture electromagnetic radiation (such as visible light, infrared, microwave, or radio waves) reflected or...
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    Featuresremote sensinglidarclimate changeoptical imagingspectroscopydistance measurement

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