Sentences with phrase «as aerial surveys»

Not exact matches

The data, collected by aerial survey missions flown in the Southern Hemisphere in the summer of 2014 - 2015, provide detailed topography of the perpetually ice - free region, where surprising landscape changes, such as rapid erosion along some streams, have been observed in recent years.

WCS conducted the aerial survey in 2015 - 16 as part of a project funded by the U.S. Agency for International Development (USAID) and part of the Great Elephant Census ©, funded by philanthropist and Microsoft cofounder Paul G. Allen.

As part of the 2017 study, Neffra Matthews of the BLM's National Operations Center in Denver, helped survey, map and document the trackway using photogrammetry, which helps scientists perform accurate measurements based on land - based or aerial photographs.

Here are four sites that aerial surveys have helped us to understand, highlighted as part of Historic England's Festival of Archaeology, which runs until the end of this month.

US geologists used these maps as a basis for aerial surveys and borehole samples — revealing the 24 most promising mineral deposits.

Bark beetles and defoliators have been the primary cause of biotic disturbance as identified from aerial surveys (Figure 4 - 8).

Short in stature, 5 - 4, 180 lbs, I've worked many jobs which did not inspire me such as the U.S. Geological Survey, Menlo Park, Getty Oil Company, Occidental International Petroleum Corp., a Navy Veteran where I served as a Aerial Photographic Intelligenceman.

A proper aerial survey is too expensive for our current budget and, therefore, we need as much help as possible from local people and visitors.

More recently, an aerial survey using high - tech laser equipment upended that number, estimating the death toll at close to 120 million trees — as much as 20 percent of the state's total.

Furthermore, recent geophysical data from aerial surveying suggest that one of the two troughs - known as the Central Basin - contains unconsolidated sediments thought to have been derived from the FLIP.

Sea ice can take many forms, as seen in this image of Arctic sea ice from a recent Operation IceBridge aerial survey.

As we all wait for the release of the report on the WHB aerial survey of 2016, it's worth going over the recent history of these counts and what they have revealed.

For the sake of recording new damage, only trees with yellow, brown or red foliage or some defoliation were mapped as part of the aerial survey.

The US Forest Service (USFS) aerial surveys combined low - level flights (315 to 630 m above ground level) and US Geological Survey paper maps (1:100000 scale), as well as a digital sketchmap system (GPS and GIS database) to record the area of disturbance on an annual basis.

«During aerial surveys in September 1987 — 2003, a total of 315 live polar bears were observed with 12 (3.8 %) animals in open water, defined for purposes of this analysis as marine waters > 2 km north of the Alaska Beaufort Sea coastline or associated barrier islands.

Pursuant to the urgent need for this knowledge in U.S. waters of the western North Atlantic and Gulf of Mexico, we integrated aerial and shipboard cetacean surveys conducted by five scientific organizations over 23 years and linked them to environmental data relating to cetacean habitat, such as sea surface temperature and chlorophyll concentration, obtained from satellite remote sensing and ocean models.

According to the BBC, biologists used these aerial surveys to make a more accurate guess as to the number of penguins present in each colony, all without having to brave the region's freezing temperatures, and what they found was quite remarkable.