point sampling
[/pɔɪnt ˈsæmplɪŋ/]
nounpl: point samplings
amostragem pontual
1. A statistical sampling method where data is collected at specific, discrete points in space, time, or a population without considering intermediate values or continuous distribution
The researcher used point sampling to collect water quality data at five specific locations along the river.
O pesquisador usou amostragem pontual para coletar dados de qualidade da água em cinco locais específicos ao longo do rio.
2. In ecology and environmental science, a technique where observations or measurements are made at predetermined fixed locations rather than across a continuous area
Point sampling was employed to monitor vegetation changes at marked sites within the forest.
A amostragem pontual foi empregada para monitorar mudanças na vegetação em locais marcados dentro da floresta.
3. In graphics and image processing, selecting pixel or color values at specific coordinate points rather than interpolating across regions
The algorithm relies on point sampling to determine the texture at discrete vertices.
O algoritmo depende da amostragem pontual para determinar a textura em vértices discretos.
Point sampling is predominantly used in academic and technical contexts, particularly in environmental science, ecology, statistics, and computer graphics in both Brazil and Portugal. It reflects a methodological approach common in international scientific research, with terminology standardized across Portuguese-speaking academic communities.
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