Environment of a Costa Rican Forest | Zendy

Allen L. H. | Zendy; Lemon Edgar | Zendy; Müller Ludwig | Zendy

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Environment of a Costa Rican Forest

Author(s) -

Allen L. H.,

Lemon Edgar,

Müller Ludwig

Publication year - 1972

Publication title -

ecology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.144

H-Index - 294

eISSN - 1939-9170

pISSN - 0012-9658

DOI - 10.2307/1935714

Subject(s) - canopy , environmental science , tree canopy , anemometer , stratification (seeds) , atmospheric sciences , daytime , sink (geography) , wind speed , nocturnal , microclimate , hydrology (agriculture) , ecology , geography , meteorology , geology , biology , seed dormancy , botany , germination , cartography , geotechnical engineering , dormancy

Wind speed and turbulence were measured at five heights simultaneously in a Costa Rican forest with non—stalling, heated—thermocouple anemometers. A persistent daytime stable thermal stratification of the air beneath the top canopy decreased small—scale turbulence, which may increase boundary—layer resistance of leaf—to—air transport of water vapor and CO 2 . Three CO 2 source layers (ground level, trunk space, and above the top canopy) and two CO 2 sink layers (top canopy and bottom canopy) were found in this forest. Low nocturnal wind speed allowed CO 2 from respiration to accumulate at night.

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