air survey

air survey

[¦er ¦sər‚vā]
(engineering)

air survey

A survey conducted from the air for mapping, geological, and other purposes. Aircraft carry a variety of instruments for survey work in addition to cameras. The main task in carrying out cartographic surveys is taking vertical photographs. Satellites are taking over this task more and more from the aircraft.
References in periodicals archive ?
Britain From Above contains more than a million photographs and was created by pioneering air survey company Aerofilms Ltd, which was set up by First World War veterans Francis Lewis Wills and Claude Grahame-White.
11 per hour cost survey $11,000 of equipment air survey FREQUENCY 4 per year 1 of each per year 6 per year ANNUAL 576 man hours = $17,280 $4,000 x $11,000 $37,832 COST + 144 equip hours = = $15.
The authors used data from the New York City Community Air Survey (8) and from regulatory air pollution monitors to estimate each mother's exposure to [PM.
There is hardly a single facet of planning in which air survey cannot play a valuable part', one practitioner noted in 1967.
Although NIOSH and NCI attempted to eliminate certain confounding factors by focusing on nonmetal mines, the DEMS does not adequately address other confounding factors including how cigarette smoke and non-diesel airborne pollutants impact workers' cancer risks, the use of carbon monoxide and horsepower as surrogates for diesel exhaust, and modeling 1998-2001 air survey data to the 19471997 study period where no actual diesel air monitoring data existed.
Thanks to the leadership of one of our members, Carole Winters, a scientist, we linked up with the Open Air Laboratories, OPAL, and have helped scientists in their national air survey.
To deliver the very best quality air survey surveyors use the A1 Air Purity Test Kit providing a convenient 'on the spot' indication of compressed air quality.
A total of 60 million roubles have been allocated from the federal budget in 2011 to sponsor air survey in Yakutia, although the republic needs 350 million roubles for these purposes.
The contract for operation and maintenance of equipment used for assuring quality of air survey of Riyadh City has been given to Saudi Arabian Adeeb Intergraph Co.
This air survey showed that the animals had recolonized all of the Aleutian Islands, but in the core areas where they had been abundant in 1965, their numbers had dropped by about half.
The Finnish experts have just completed an air survey of Cavan, Monaghan and Armagh counties.
Most enquiries are from company executives with tight schedules needing a fast reliable service with minimum delays, but other work includes contracts for the oil and gas industry, air survey work, the transport of medical supplies and individual 'taxi' use for its helicopter.