Creator: ORNL_CLOUD
Keywords: Dew Point Temperature,Dew Point Temperature,Air Temperature,Atmospheric Pressure Measurements,Atmospheric Ozone,Atmospheric Carbon Dioxide,Upper Level Winds

Data at a Glance

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

Processing Level

Published

2000-01-27

Updated

2023-11-22

Science Keywords

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.

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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: 2026-10-04

Documents

USER'S GUIDE

ORNL DAAC Data Set Documentation

GENERAL DOCUMENTATION

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Publications Citing This Dataset

Title	Authors	Year Sort ascending	Referenced Datasets
Analysis of diurnal boundary layer development in boreal forests: measurements and simulations	Dong, J., Ni-Meister, W.	2011	BOREAS AFM-04 Twin Otter Aircraft Flux Data BOREAS TF-04 SSA-YJP Tower Flux, Meteorological, and Canopy Condition Data, R1 BOREAS TF-09 SSA-OBS Tower Flux, Meteorological, and Soil Temperature Data BOREAS AFM-03 NCAR Electra 1994 Aircraft Sounding Data BOREAS TF-05 Tower Flux & Meteorological Data BOREAS AFM-04 Twin Otter Aircraft Sounding Data BOREAS TF-03 NSA-OBS Tower Flux, Meteorological, and Soil Temperature Data BOREAS AFM-08 ECMWF Hourly Surface and Upper Air Data for the SSA and NSA BOREAS TF-06 SSA-YA Surface Energy Flux and Meteorological Data BOREAS TF-11 SSA-FEN Tower Flux and Meteorological Data BOREAS TF-10 NSA-Fen Tower Flux and Meteorological Data BOREAS AFM-06 NOAA/ETL 35 GHz Cloud/Turbulence Radar GIF Images BOREAS TF-08 NSA-OJP Tower Flux, Meteorological, and Soil Temperature Data BOREAS TF-01 SSA-OA Tower Flux, Meteorological, and Soil Temperature Data BOREAS AFM-02 Wyoming King Air 1994 Aircraft Sounding Data BOREAS TF-10 NSA-YJP Tower Flux, Meteorological, and Porometry Data BOREAS TF-02 SSA-OA Tower Flux, Meteorological, and Precipitation Data BOREAS AFM-05 Level-1 Upper Air Network Data, R1 BOREAS AFM-03 Electra 1994 Aircraft Flux and Moving Window Data BOREAS AFM-02 King Air 1994 Aircraft Flux and Moving Window Data BOREAS TF-07 SSA-OBS Tower Flux and Meteorological Data

BOREAS AFM-04 Twin Otter Aircraft Sounding Data