Remote Sensing Types Archives - GIS Geography https://gisgeography.com/tag/remote-sensing-types/ Geographic Information Systems Wed, 28 May 2025 18:40:10 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://gisgeography.com/wp-content/uploads/2019/01/cropped-GISGeography-SiteIcon-32x32.jpg Remote Sensing Types Archives - GIS Geography https://gisgeography.com/tag/remote-sensing-types/ 32 32 Thermal Infrared Sensor (TIRS) on Landsat https://gisgeography.com/thermal-infrared-sensor-tirs/ https://gisgeography.com/thermal-infrared-sensor-tirs/#respond Wed, 18 Jun 2025 13:50:00 +0000 https://gisgeography.com/?p=90908 Landsat's Thermal Infrared Sensor (TIRS) measures the Earth's surface temperature by focusing on the infrared part of the light spectrum.

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]]> https://gisgeography.com/thermal-infrared-sensor-tirs/feed/ 0 What Is Oblique Imagery? https://gisgeography.com/oblique-imagery/ https://gisgeography.com/oblique-imagery/#respond Wed, 05 Mar 2025 15:18:00 +0000 https://gisgeography.com/?p=90721 While traditional images are taken from directly above, oblique imagery captures them at an angle. Learn more about oblique images.

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]]> https://gisgeography.com/oblique-imagery/feed/ 0 Understanding Sonar Technology https://gisgeography.com/sonar/ https://gisgeography.com/sonar/#respond Wed, 01 May 2024 13:52:00 +0000 https://gisgeography.com/?p=90448 What if we could use sound to explore underwater? Sonar does just that. Simply, sonar turns sound waves into a map of the ocean floor.

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]]> https://gisgeography.com/sonar/feed/ 0 The CubeSat: Small Satellites for Big Ideas https://gisgeography.com/cubesat/ https://gisgeography.com/cubesat/#comments Fri, 22 Apr 2022 15:11:18 +0000 https://gisgeography.com/?p=69030 A CubeSat is a miniaturized satellite roughly the size of a Rubik's cube. They're small enough to hold in your hand and inexpensive to build.

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]]> https://gisgeography.com/cubesat/feed/ 2 Aerial Photography vs Orthophotography https://gisgeography.com/aerial-photography-vs-orthophotography/ https://gisgeography.com/aerial-photography-vs-orthophotography/#respond Fri, 08 Apr 2022 23:00:32 +0000 https://gisgeography.com/?p=67891 Aerial photography is a type of photography in which you capture images that are distant, from "in the air" using drones, satellites, and more.

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]]> https://gisgeography.com/aerial-photography-vs-orthophotography/feed/ 0 Spatial Resolution vs Spectral Resolution https://gisgeography.com/spatial-resolution-vs-spectral-resolution/ https://gisgeography.com/spatial-resolution-vs-spectral-resolution/#comments Sat, 04 Dec 2021 23:46:24 +0000 https://gisgeography.com/?p=64021 Spatial resolution is how detailed objects are in an image based on pixels. But spectral resolution is the amount of spectral detail in a band.

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]]> https://gisgeography.com/spatial-resolution-vs-spectral-resolution/feed/ 2 Learn Synthetic Aperture Radar (SAR) by Example https://gisgeography.com/synthetic-aperture-radar-examples/ https://gisgeography.com/synthetic-aperture-radar-examples/#comments Fri, 27 Nov 2020 11:38:39 +0000 http://gisgeography.com/?p=15776 Synthetic Aperture Radar (SAR) is an emerging technology in remote sensing with the advantage to see in any weather condition and even at night.

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]]> https://gisgeography.com/synthetic-aperture-radar-examples/feed/ 7 Hyperspectral Imaging from Space https://gisgeography.com/hyperspectral-imaging/ https://gisgeography.com/hyperspectral-imaging/#comments Tue, 20 Oct 2020 12:51:56 +0000 https://gisgeography.com/?p=20313 Hyperspectral imaging takes a spectrum of light and divides the light into hundreds of narrow spectral bands. For example, Hyperion has 242 bands at 30m GSD.

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]]> https://gisgeography.com/hyperspectral-imaging/feed/ 7 Remote Sensing of the Environment https://gisgeography.com/remote-sensing-of-the-environment/ https://gisgeography.com/remote-sensing-of-the-environment/#comments Mon, 02 Jul 2018 11:19:31 +0000 http://gisgeography.com/?p=17199 As our population grows and climate is at risk, remote sensing of the environment solves large-scale environmental issues for the land, ocean and atmosphere.

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]]> https://gisgeography.com/remote-sensing-of-the-environment/feed/ 1 Polar Orbit vs Sun Synchronous Orbit https://gisgeography.com/polar-orbit-sun-synchronous-orbit/ https://gisgeography.com/polar-orbit-sun-synchronous-orbit/#comments Sat, 27 May 2017 14:24:34 +0000 http://gisgeography.com/?p=13473 A polar orbit satellite travels pole-to-pole. For a sun-synchronous orbit, it passes over any given point on Earth's surface at the same local solar time.

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