Sentence examples for surveys using a from inspiring English sources

The result of the classification was then compared with data collected by field surveys using a global positioning satellite.

At these sites, numbers of hydrothermal vents discharging black and white smokers are identified by seabed surveys using a remotely operated vehicle (ROV) prior to the drilling operation.

We used to carry out surveys using a drifting observation method with the pole system before 2007, as shown in Figure 2a.

Therefore, we designed a rainfall experiment during which we measured three surface-based 3D GPR surveys using a pair of 500 MHz antennas.

For the surveys in 1997 and 1998 we used a random stratified design, whereas in 2000 and 2001 we conducted surveys using a regular grid.

Trained enumerators, who spoke the language of the respondents and were supervised by the authors, conducted the surveys using a questionnaire pre-tested on a small sample (10 respondents) of camel herders to test the clarity of the questions.

This was a survey study using a paper questionnaire.

These pilot surveys used a stratified random design based on depth and alongshore location.

Both surveys used a 30-cluster sampling method.

The surveys use a two stage, cluster randomised design.

The surveys use a multi-stage, stratified probability sampling design.