Independent Variables (Grids)

time

grid: /time (days since 1995-01-01 00:00:00) ordered [ (2359 31 Dec 1994 - 0059 1 Jan 1995) (0100-0159 1 Jan 1995) (0200-0300 1 Jan 1995) ... (0659-0800 28 Mar 2011)] N= 138513 pts :grid

Other Info

bufferwordsize

4

datatype

realarraytype

missing_value

NaN

note

Photosynthetic Photon Flux Density (PPFD): photons in the 400 to 700 nm waveband/s/m2

PGtype

float4

units

PPFD

standard units*

8.64×10^-35 second

References

Kastens, K.A., B. Blumenthal, and A. Kimple. 1998. What does it take to make real data useful in pre-graduate school education? A case study using environmental sensor data from the Black Rock Forest, NY. Proceedings of the American Geophysical Union, spring 1998, Boston Massachusetts, p. S13.