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Leaf wetness within a lily canopy

AFG Jacobs, BG Heusinkveld, EJ Klok

A wetness duration experiment was carried out within a lily field situated adjacent to coastal dunes in the Netherlands. A within-canopy model was applied to simulate leaf wetness in three layers, with equal leaf area inidices, within the canopy. This simulation model is an extension of an existing model. It appeared that in most cases leaf wetness started in the uppermost layer followed by the middle and bottom layer, respectively. The same occurred during the early morning drying process. Just following sunrise did the upper layer start to dry, followed by the middle and bottom layer, respectively. The longest leaf wetness duration occurred in the bottom layer. The calculated leaf wetness durations agreed within 10 min of the results obtained with a leaf wetness sensor.

Bibliografische gegevens

AFG Jacobs, BG Heusinkveld, EJ Klok. Leaf wetness within a lily canopy
published, Meteorological Applications (Royal Met. Society), 2005, 12

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