Sentence examples for measured at ground from inspiring English sources

It also adequately describes the secular variation measured at ground observatories.

(T_{rm b} z_{0})) is the brightness temperature measured at ground level, and it is estimated from the off-resonance emission at the wings of the spectrum.

In this study, above-ground metrics included tree height, canopy spread (i.e. canopy diameter), root-collar diameter (RCD – measured at ground level) and diameter at breast height where applicable (DBH – measured 1.4 m above ground level).

We took also a measurement at 20 cm from the ground which however presented very noisy spectra, resulting in unreliable concentration values greater than those measured at ground level, which we cannot explain.

For example, Watt et al. (2008) studied 4-year-old Cupressus lusitanica and found diameter (measured at ground level) to be highly correlated with wood density, but Malimbwi et al. (1992) found density and diameter to be unrelated in a study of 19-year-old C. lusitanica trees.

Because the junction process occurs near the ground, the time to peak current measured at the ground is typically only a few microseconds.

Combining the satellite data with air temperature measured at meteorological ground stations improved the correlation to.50.

Variations of electric field measured at the ground during the active phase of thunderstorms on 20 April 2007, 21 April 2007, and 23 April 2007.

Limited by data availability, large-scale chronic health effects studies of PM2.5 have used city-average concentrations measured at central ground monitors as representative of population exposures (e.g., Dockery et al. 1993).

With the help of regression analysis, the relationships were detected between aerosol's contribution to apparent reflectance (ACR) derived from Moderate Resolution Imaging Spectroradiometer (MODIS) on board Terra and hourly PM10 mass concentration measured at 30 ground-based locations in Beijing for the August of 2003 and 2004.

Plant height (in cm) of three plants from each plot was measured at maturity from ground level to the tip of the tallest tiller and was averaged for analysis.