Environmental Conditions in a Tropical Forest Region in Thailand
University of Maryland, Institute for Fluid Dynamics and Applied Mathematics, 1974 - Forest microclimatology - 171 pages
Major results of a two year project to study the climatological and micrometeorological conditions in a tropical evergreen forest region are summarized in this report. The study has been under the sponsorship of the U.S. Army Engineer Topographic Laboratory. The forest area under study is in the interior of Thailand and is influenced by a cool, dry northeast monsoonal flow from November to March and a warm, moist southwest monsoonal flow from May to September. Measured information were collected during a three year field program sponsored by the U.S. Army Natick Laboratories and included ground station temperature, relative humidity, precipitation, evaporation, hours of sunshine, and tower measurements of temperature, dew point temperature, and wind speed, incoming and reflected solar radiation, incoming and outgoing infra-red radiation and sub-surface temperature profiles in the forest and in a cleared area within the forest region.
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PROCESSING OF TREND EXPERIMENT RAW DATA AND CURRENT
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1970 using direct 50 lags A-tapes AH/H albedo average values Bangkok BITS BITS BITS Bowen ratio clearing for January Confidence Interval Criterion CYCLES PER HOUR datum displacement height density of kinetic dew point temperature direct Fourier transforms diurnal variation effective temperature energy at 46 equation estimate evaporation flux through various forest canopy forest floor Forest for June FREQUENCY CYCLES Hours Date hours of sunshine Input tape Interval Criterion Satisfied June 23 June and September kinetic energy latent heat flux months Nhatrang Normalized spectral density northeast monsoon precipitation predictors Previous Table PROGRAM rainfall record at Sakaerat Red Noise RED SPECTRUM relative humidity roughness parameter Sakaerat Experiment Station Sakaerat Forest Sample Sample Sample SCAN sensible heat flux Stability Class stepwise regression Table Except Appropriate Tavoy temperature data Thailand tower transforms with 50 TREND experiment tropical Univac various layers wind and temperature wind direction Wind Speed Data