aerial imagery

Laptop with QGIS, a desktop GIS software program

GIS 101: Learn About GIS

Caitlin Dempsey

This GIS 101 page is the launch page for accessing information about GIS and geospatial technologies on GIS Lounge.

An aerial image of a port showing rows and rows of shipping containers. An edge of the ocean is the the left of the containers.

The Many Uses of Aerial Imagery

Geo Contributor

Nearmap's Tony Agresta outlines the many applications of aerial imagery, including assessing damage after a disaster, reducing crime, valuing properties, and more.

2018 NAIP Imagery

Caitlin Dempsey

Aerial imagery covering 20 states has been added to the USDA's direct access site for NAIP imagery.

Before There Were Drones: Using Pigeons for Aerial Photography

Caitlin Dempsey

Back before drones became a cheap and easy way to acquire aerial imagery, a German inventor proposed using pigeons to capture photographs of the earth from above.

NOAA Offers Post-Hurricane Aerial Imagery

Caitlin Dempsey

NOAA has been capturing aerial imagery showing the post-Hurricane Michael destruction across the Florida Panhandle.  

Nearmap high-resolution aerial image of downtown Carmel, IN - photographed Feb. 7, 2018

What Imagery Source is Best for Your Business?

Geo Contributor

Erin Jepperson, Technical Sales Engineer at Nearmap, outlines how to weigh the pros and cons of aerial imagery and drone imagery.

NAIP Aerial Imagery Might be Moved from the Public Domain to a Licensing Model

Caitlin Dempsey

The Farm Service Agency (FSA) is considering moving its National Agriculture Imagery Program (NAIP) from a free aerial imagery service to a licensing model starting the 2019 fiscal year.

Grassroots Aerial Mapping

Caitlin Dempsey

Aerial imagery has evolved into a more complex and sophisticated enterprise with most aerial imagery today being captured by aircraft ...

Aerial Mapping with Balloons, Kites, and Pigeons

Caitlin Dempsey

While aerial photography today is most commonly captured via an airplane fitted with cameras, aerial imagery in the past required more inventiveness with photographers using balloons, kites, and pigeons.

Using Near-Infrared Aerial Imagery to Map Oak Trees

Caitlin Dempsey

The GIS group for the City of Santa Clarita used 4-inch near-infrared aerial imagery to map specific oak tree species across the city.

Orthophotos and GIS

Caitlin Dempsey

Aerial photographs play an important role in GIS data acquisition and visualization. First, they help provide a solid visual effect. ...