The History of Aerial Surveying: How it has evolved over time.

THE HISTORY OF AERIAL SURVEYING & MAPPING

Aerial surveying has played a central role in many construction & research industries for many generations. The collection of geomatics & related imagery still plays a central role in archaeology, land surveys, fishery surveys, transportation projects, mining, & industrial sites today. However, the procedures have evolved greatly over the years.

In truth, this comes as little surprise given the rate of technological advancement in the field of aviation. At the same time, experts had to adapt the processes to meet the demands of this growing technologies. These improvements came in the form of increased speed, accuracy, & cost-efficiency. Here’s a brief look at the key moments in the history of aerial surveying.

THE BEGINNINGS OF AERIAL SURVEYING

The concept of taking images from the skies actually stemmed from the 1800’s. French balloonist & photographer Gaspard-Félix Tournachon completed the first recorded assignment in 1858, capturing photos over Paris. The phenomenon soon spread across the Atlantic. How quickly did it spread? Images over Boston were taken in 1860. It took two years for a new technology to hop continents at a time before the light bulb was created!

By 1882, British meteorologist E.D. Archibald discovered the idea of surveying an area from above without sending a human to the skies. Using a kite, E.D. Archibald pioneered the first unmanned aerial photography system. Heading into the early parts of the 20th century, the concept of unmanned photography took off. German engineer Alfred Maul used a gunpowder rocket to send a parachuted camera into the air before taking photos on its descent back to earth.

AERIAL MAPPING

Used almost exclusively for artistic & documentary purposes in the 19th century, aerial photography soon evolved into a new form of mapping. The technique of using aerial photography to support ground surveys grew in the early parts of the 20th century. With the advent of World War I aerial mapping became an essential tool. The French reconnaissance could track enemy positions with camera-fitted planes. They then printed & sent the images to ground forces.

By World War II, the technology progressed significantly. More advanced cameras came on to the scene. A wide range of aircraft were equipped with cutting edge sensors. Planes even started recording video. The images appeared in the media & were also used as vital intelligence on the battlefield. At this time, U.S. experts developed the TDR-1 assault drone. Though it was equipped with weaponry rather than cameras, it would be instrumental in the furtherance of unmanned flight.

AERIAL IMAGING REACHES NEW HEIGHTS

Post War Innovation Aids Aerial Surveying

Following the end of World War II, aerial photography was used to aid l& surveys for construction projects & public projects. However, the idea of capturing images from above the earth was quite literally skyrocketing as the Race to Space became a major issue. The photos taken from spacecraft looking down on earth stood out as the most awe-inspiring photos ever taken.

Images from space have since become a natural part of modern life, being used for weather forecasting & surveillance among various other activities. In addition to satellites orbiting the earth, aerial surveying data can be gathered from cameras fitted to skyscrapers, masts, & more. With each passing decade, the quality of images & reliability of the technology grows at a rapid pace.

Drone Technologies are Introduced to the Market

The idea of using aircraft had been around for decades by the 1980s. Similarly, the concept of using unmanned drones had existed for a long time, starting with the TDR-1 in WWII. Rather than full-size aircraft, modern drones using scaled-down tech is a common feature. During the 1980s & 1990s we see wars & global conflicts once again catalysing development. The first Gulf War, Iraq war, & Afghanistan war all used drone technologies to monitor soldiers with surveying, stills, & videos.

While military operations remained the main beneficiaries of the most advanced technologies, growing accessibility allowed experts in a range of industries to use aerial surveying for building projects & site surveys. By this time, the use of balloons, kites, & other methods discovered in the 19th century & early parts of the 20th century had become virtually obsolete – although some hobbyists kept the ideas alive.

AERIAL SURVEYING & MAPPING TODAY

Aerial Innovation in Drone Technologies

By the start of the 21st century, it became clear that drone tech would soon become accessible to the general public. While it still took almost 20 years for that to happen, it is now possible for hobbyists & amateur filmmakers to secure good pictures & footage from up high. The technology is affordable even for recreational use.

On a commercial level, the technology has opened up a plethora of new options for experts in aerial surveying. In addition to getting orthomosaic or oblique views, the evolution now enables professionals to;

Watch the footage & get an ‘on-board’ view through digital screens due to new developments in radio transmission.

Use aerial photography in conjunction with laser technologies (LiDAR) for l& surveys & building surveys.

Digitally calculate measurements for increased accuracy & better virtualization of stockpiles & inventory.

Gather crisp, HD images far greater than anything that would have been possible even 20 years ago.

Incorporate the images into various computer software packages for analysis, forecasting, & other relevant processes.

How Surveying & Mapping Benefits from Aerial Innovation

Crucially, the quality of aerial surveying allows for greater speeds, accuracy, & cost-efficiency than ever before. When the technology is used by experienced technicians, it delivers stunning results time & time again. This ensures that clients projects have the very best planning documents.

As such, over the past 170 years or so, aerial surveying has transformed. Originally an artistic endeavour, it evolved into one that can be used for a range of advanced matters, including; stockpile volume calculations, inventory asset calculations, storm water & drainage management, landfill management, large earth work management, beach & jetty as built & planning, golf course design survey, mining & metals surveys, energy & gas infrastructure surveys, & more.

In many of those assignments, it’s now almost unheard of to complete the job without drones & other aerial footage. Given the rapid growth, particularly in the last two or three decades, it’ll be amazing to witness the developments to come. Whatever happens, the influence of aerial surveying is set to stay.

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Article written by Florida Aerial Survey. Follow them, here: https://www.facebook.com/FASTsurveying/

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