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NCAR/EOL 5 minute ISFS surface flux data, tilt corrected, geographic coordinate winds

Project:

CHEESEHEAD

Summary

Tilt corrected 5 minute averages of surface flux data collected by the NCAR/EOL Integrated Surface Flux System (ISFS) during the CHEESEHEAD field campaign using the Leica theodolite survey measurements. These data have been quality controlled and are available in NetCDF format. The winds reported by the sonic anemometers have been rotated into geographic coordinates and corrected for the orientation of the sonic anemometers. The tilt corrections applied were determined by the use of laser multi-station scans of the position and orientation of the sonic anemometers with respect to gravity.

Note: A companion dataset is available that corrects for sonic orientation with respect to flow through the sensor using the planarfit method: https://doi.org/10.26023/J7FD-1ME6-H70T

Disclaimer: GPS positions of stations are not included in this dataset, but can be found at the ISFS Operations at CHEESEHEAD page linked below.

Data access

ORDER data to made available for download

user agreement required

Additional information

Identifier	DOI: https://doi.org/10.26023/43MF-NP8N-3Q0V
Data Quality	final
Versions	0.1 (2019-10-23) 0.2 (2019-11-26): Additional derived variables for fluxes, radiation, and soils are included. 1.0 (2020-04-20) 2.0 (2021-01-14): Corrected radiation parameters from NR01 sensors. 2.1 (2021-03-01): Recovered good soil thermal properties data from TP01 sensor at NE4. These data had been removed from previous dataset versions during QC. (Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
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Related projects	CHEESEHEAD: Chequamegon Heterogeneous Ecosystem Energy-balance Study Enabled by a High-density Extensive Array of Detectors
Frequency	5 minute
Language	English
Categories	Surface
Platforms	Flux Tower NCAR/EOL Integrated Surface Flux System (ISFS)
Instruments	Eddy Correlation Devices IRGA - Infrared Gas Analyzers Sonic Anemometer
GCMD Science Keywords	AIR TEMPERATURE ATMOSPHERIC CARBON DIOXIDE DEW POINT TEMPERATURE DOWNWARD MOISTURE FLUX ELECTRICAL CONDUCTIVITY EVAPOTRANSPIRATION HEAT FLUX HUMIDITY MIXING RATIO HYDROMETEORS LONGWAVE RADIATION NET RADIATION OUTGOING LONGWAVE RADIATION PRECIPITATION AMOUNT PRECIPITATION RATE RADIATIVE FLUX RAIN RELATIVE HUMIDITY SHORTWAVE RADIATION SOIL MOISTURE SOIL MOISTURE/WATER CONTENT SOIL TEMPERATURE SOIL TEMPERATURE SOIL TEMPERATURE SPECIFIC HUMIDITY SURFACE PRESSURE THERMAL CONDUCTIVITY THERMAL CONDUCTIVITY TURBULENCE U/V WIND COMPONENTS UPWARD MOISTURE FLUX VERTICAL WIND VELOCITY/SPEED VIRTUAL TEMPERATURE WATER VAPOR WIND DIRECTION WIND SPEED Show 32 more... Expand keywords
Documentation	ISFS_CHEESEHEAD_Data_Report_v2.pdf [1063 KiB]
Restrictions	user agreement required: cheesehead_policy.html [5 KiB]
Related links	companion: 592.095: CHEESEHEAD 2019 Project Documentation info: CHEESEHEAD Data Policy homepage: CHEESEHEAD Project Page info: ISFS Operations at CHEESEHEAD homepage: Integrated Surface Flux System

Temporal coverage

Begin datetime	2019-06-20 00:00:00
End datetime	2019-10-14 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 49.00, Minimum (South) Latitude: 41.00
Minimum (West) Longitude: -96.00, Maximum (East) Longitude: -87.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

originator: Steve Oncley <oncley@ucar.edu>
author: NSF NCAR/EOL In-situ Sensing Facility

Citation

NSF NCAR/EOL In-situ Sensing Facility. 2021. NCAR/EOL 5 minute ISFS surface flux data, tilt corrected, geographic coordinate winds. Version 2.1. null. https://doi.org/10.26023/43MF-NP8N-3Q0V. Accessed 21 Jan 2026.

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