The oil giant is now permitted to use an unmanned aircraft system to survey roads, pipelines and other equipment at Prudhoe Bay, Alaska, the largest oil field in the US.
Of the surveyed road drains (n=218), only 11 are predicted to deliver runoff to a stream and the greatest contributor of runoff occurs at a stream crossing where a road segment discharges directly into the stream.
The normal American method of surveying roads was from a helicopter or an observation plane.
A new national study of infrastructure projects (pdf) surveying roads, sidewalks, bike lanes, and walking trails has found that projects with bicycle and pedestrian components create forty-six per cent more jobs than road projects without them.
County workers are busy surveying roads, training law enforcement personnel and visiting drilling centers in northeastern Pennsylvania to learn how their neighbors have dealt with traffic and an influx of thousands of workers.
Although American humanitarian relief is led by the State Department, the military is helping, too, and has installed a sanitation system for some of the half-million Syrian refugees inside Jordan, as well as surveyed roads and offered assessments for improving supply routes.
Note on the bottom map the erosion areas measured along the surveyed roads.
Fig. 12 Kilometric distribution of erosion events and damaged area cases along the surveyed roads.
We surveyed roads varying in traffic volume, configuration and adjacent landscape attributes for road-kills between 1997 and 2000.
The surveyed roads network makes part of the total roads network (Source for the top map: Forest Resource Assessment Nepal, 2015; Source for the bottom map: Pleiades Satellite Imagery, 2013).
