Using satellite imagery and machine learning to protect elephants

African elephants are at risk in the majority of the countries where they live because of poaching. To plan long-term sustainable solutions to the stresses elephants are experiencing, it is necessary to have accurate data on elephant numbers and their geographical range to identify high-risk areas. There are several methods used to conduct elephant surveys, […]

Measuring accurate heights across a country

A look at how the National Oceanic and Atmospheric Administration (NOAA) scientists are changing the way heights is measured accurately across the United States. Scientists at NOAA’s National Geodetic Survey (NGS) maintain a nationwide coordinate system that defines latitude, longitude, height, scale, gravity, orientation, and the national shoreline throughout the United States. This reference system […]

Geomatics, land reform and big data: Where to from here?

The geomatics profession is changing. It is no longer all about position, as technological advancements have made it easier for non-professionals to do this. It is now also about big data management and the ability to deal with complexity. Talks at AfricaGEO 2018 and a GISSA Western Cape meeting gave some directions to the future. […]

Using unmanned surface vehicles for hydrographic surveying

Hydrographic survey is essential and widely welcomed in the world for economic, security and societal purposes. The question remains how to survey in a safer and faster way. One way to do this is by using unmanned surface vehicle (USV), a type of platform that can carry various kinds of sensors for hydrographic survey. This […]

Mapping natural woodland burial grounds

To locate individual burial plots with confidence, even when they are covered by trees and plants, as well as plan future burial plot use and manage the site, surveyors were tasked to create an accurate, electronic map of a burial park. Since the 1990s, the concept of woodland burial parks has become increasingly popular. As […]