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Title: Forest meteorology: research needs for an energy and resource limited future

Abstract

Discussion is presented on turbulent exchanges within and above forests and radiation energy changes within and above forests. It is concluded that lack of knowledge and understanding of the mechanisms involved in turbulent exchanges of sensible heat, mass, and momentum within forests and across forest-atmosphere interfaces is, without doubt, the most critical current problem of forest meteorology. The mechanisms by which turbulence is created, transported, and destroyed in forest canopies must be critically examined. The physical structural characteristics of forest vegetation controlling turbulent exchanges across porous forest canopy surfaces as well as at biomass surfaces must be identified and techniques developed for their quantification. Knowledge of the radiation relationships of forests is further advanced than that of turbulence phenomena. Two major gaps in our knowledge of forest radiation remain, however. First, as with turbulence in forests, the state of our knowledge of the relation between forest structure and radiation microclimate is less than satisfactory. Second, because of the difficulties involved in the measurement of structural characteristics of forests, few, if any, of the models which acceptably simulate and predict radiation in agricultural crops have been tested or validated in forests. The lack of a home for forest meteorology research amongmore » the federal agencies of either the United States or Canada has impeded progress in this field. (JGB)« less

Authors:
 [1]
  1. (ed.)
Publication Date:
Research Org.:
Department of Energy, Washington, DC (USA). Office of Health and Environmental Research; Ottawa Univ., Ontario (Canada)
OSTI Identifier:
6253862
Report Number(s):
CONF-7808100-(Summ)
DOE Contract Number:  
EY-76-C-05-3688
Resource Type:
Conference
Resource Relation:
Conference: Forest meteorology-research needs for an energy and resource limited future, Ottawa, Canada, 28 Aug 1978
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; FORESTS; METEOROLOGY; REACTION KINETICS; RECOMMENDATIONS; RESEARCH PROGRAMS; TURBULENCE; KINETICS; 500100* - Environment, Atmospheric- Basic Studies- (-1989); 510100 - Environment, Terrestrial- Basic Studies- (-1989)

Citation Formats

Hutchison, B.A. Forest meteorology: research needs for an energy and resource limited future. United States: N. p., 1979. Web.
Hutchison, B.A. Forest meteorology: research needs for an energy and resource limited future. United States.
Hutchison, B.A. Thu . "Forest meteorology: research needs for an energy and resource limited future". United States.
@article{osti_6253862,
title = {Forest meteorology: research needs for an energy and resource limited future},
author = {Hutchison, B.A.},
abstractNote = {Discussion is presented on turbulent exchanges within and above forests and radiation energy changes within and above forests. It is concluded that lack of knowledge and understanding of the mechanisms involved in turbulent exchanges of sensible heat, mass, and momentum within forests and across forest-atmosphere interfaces is, without doubt, the most critical current problem of forest meteorology. The mechanisms by which turbulence is created, transported, and destroyed in forest canopies must be critically examined. The physical structural characteristics of forest vegetation controlling turbulent exchanges across porous forest canopy surfaces as well as at biomass surfaces must be identified and techniques developed for their quantification. Knowledge of the radiation relationships of forests is further advanced than that of turbulence phenomena. Two major gaps in our knowledge of forest radiation remain, however. First, as with turbulence in forests, the state of our knowledge of the relation between forest structure and radiation microclimate is less than satisfactory. Second, because of the difficulties involved in the measurement of structural characteristics of forests, few, if any, of the models which acceptably simulate and predict radiation in agricultural crops have been tested or validated in forests. The lack of a home for forest meteorology research among the federal agencies of either the United States or Canada has impeded progress in this field. (JGB)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1979},
month = {2}
}

Conference:
Other availability
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