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Time-Integrated Thermal Effects of Forest Irrigation

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Closed stands of (a) planted red pine and (b) mature hardwoods were irrigated with either 1 or 2 inches per week of treated sewage effluent. Vertical temperature profiles obtained with the sucrose hydrolysis method in the summer of 1967 showed that air temperatures at breast height and in the canopy were 0.1 to 0.8° C lower in treated stands as a result of additional evaporative cooling. Soil temperatures in treated stands were as much as 1.2° C higher due to increased thermal conductivity. Magnitudes of the effects varied with forest stratum and forest type, with the amount and mode of irrigation, and with seasonal weather.

Keywords: Microclimate; Pallmann method; mean temperature

Document Type: Journal Article

Affiliations: Graduate Assistant in Forest Hydrology at The Pa. State Univ., University Park

Publication date: 1969-06-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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