Sentence examples for ground survey from inspiring English sources

Now, with lidar*,* thousands of acres of dense jungle can be finely mapped in a few hours, with greater accuracy than the most painstaking ground survey can provide.

"It is a tragic loss and the full extent of the damage won't be known till we can do a ground survey, which is weeks away," said Baird.

The second difference is that in ground survey different techniques and accuracies may be adopted for the horizontal and vertical measurements, the latter usually being more precise.

As in ground survey, a framework of identified points is necessary before detailed mapping can be carried out from the air.

Now, with lidar, thousands of acres of dense jungle can be finely mapped in a few hours, with greater accuracy than the most painstaking ground survey can provide.

One effect of this is to show features in uniform detail rather than along short stretches between the points fixed in a ground survey.

United Nations officials track opium cultivation through ground surveys and satellite images.

And there were no global positioning systems, just ground surveys and aerial photographs.

It also performed supplementary ground surveys (which can look for signs as simple as dead vegetation).

A connection between these signatures and actual roadways was confirmed in ground surveys at several sites in northeastern Syria.

His findings, as well as the results from Stephenson's ground surveys, will be used to calibrate Asner's data.