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Description

The BOREAS AFM-04 team used the NRC Twin Otter aircraft to make sounding measurements through the boundary layer. These measurements included concentrations of carbon dioxide and ozone, atmospheric pressure, dry bulb temperature, potential temperature, dewpoint temperature, calculated mixing ratio, and wind speed and direction. Aircraft position, heading, and altitude were also recorded. Data were collected at both the NSA and the SSA in 1994 and 1996.

Product Summary

Platforms
DHC-6
Instruments
DRY BULB THERMOMETERS ,
DEWPOINT HYDROMETERS ,
IRGA ,
UV OZONE DETECTORS ,
PRESSURE TRANSDUCERS ,
GUST PROBES
Projects
BOREAS
Spatial Extent

N: 56.02 S: 53.21 E: -97.86 W: -106.42

Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1994-05-25 to 1996-08-08
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C2808092218-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
1
Processing Level
3
Published
Updated
Science Keywords
Dew Point Temperature ,
Dew Point Temperature ,
Air Temperature ,
Atmospheric Pressure Measurements ,
Atmospheric Ozone ,
Atmospheric Carbon Dioxide ,
Upper Level Winds

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

MacPherson, J. I., & Desjardins, R. L. (2000). BOREAS AFM-04 Twin Otter Aircraft Sounding Data (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/498 Date Accessed: 2026-09-15

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Publications Citing This Dataset

Filters
Title Year Author Topic
Analysis of diurnal boundary layer development in boreal forests: measurements and simulations Dong, J., Ni-Meister, W. Air Temperature, Solar Irradiance, Reflectance, Atmospheric Pressure Measurements, Atmospheric Ozone, Atmospheric Carbon Dioxide, Upper Level Winds, Land Surface Temperature, Precipitation Amount, Surface Winds, Water Vapor, Surface Temperature, Net Radiation, Heat Flux, Surface Pressure, Canopy Characteristics, Photosynthetically Active Radiation, Plant Characteristics, Humidity, Soil Heat Budget, Soil Temperature, Dew Point Temperature, Dew Point Temperature, Precipitation Rate, Snow, Cloud Frequency, Evaporation, Soil Moisture/Water Content, Runoff, Shortwave Radiation, Methane, Water Depth, Longwave Radiation, Soil Temperature, Radar Reflectivity, Doppler Velocity, Leaf Characteristics, Virtual Temperature, Atmospheric Stability, Reflectance, Nitrogen Dioxide
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