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Figure 4 | Movement Ecology

Figure 4

From: The environmental-data automated track annotation (Env-DATA) system: linking animal tracks with environmental data

Figure 4

Interpolation in space and time. (a) The variable data for track-point P i is first interpolated in space (using one of several interpolation methods) based on the data from the available points in the environmental dataset native grid around P i . (b) Similar spatial interpolations are conducted at the two nearest available points in time, the nearest before and nearest after the timestamp of the track-point P i . Then, the two interpolated spatial values are interpolated in time to the timestamp of P i .

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