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GENERAL INFORMATION 
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This readme file was generated on [2024-10-31] by [Kim Faassen, kim.faassen@wur.nl]
IT contact: Sjoerd Barten, sjoerd.barten@wur.nl  

Title of Dataset: Observational data of the Loobos campaign
Principal Investigator: Getachew Agmuas Adnew, getachewagmuas@gmail.com and Michiel van der Molen, michiel.vandermolen@wur.nl
Date of Data Collection: on 2022-05-17 and 2022-05-18
Location: Loobos measurement tower in the Netherlands, 2.1664◦ N, 5.7436◦ E
For more information on the location have a look at: https://maq-observations.nl

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FILE OVERVIEW 
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Directory of Files: Loobos_Aircraft_morn_flux.csv, Loobos_Aircraft_aft_flux.csv, Loobos_Aircraft_co2_mol.pickle, Loobos_airsamples_13C.xlsx, Loobos_airsamples_O2_co2.csv, Loobos_airsamples_vertical_all.csv
File Formats: .csv, .xlsx
File Naming Convention: 
Loobos_Aircraft_* contains vertical profiles of co2 flux and mole fraction measurements taken by an aircraft
Loobos_airsamples_* contains flask measurements at the surface taken or in the atmospere taken by an aircraft (_vertical_)
Loobos_Tower_co2_flux contains the continous measured eddy covariance CO2 flux from the Loobos tower that was detrended 

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DATA SPECIFIC INFORMATION FOR [Loobos_Aircraft_*_flux.csv] 
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Date of Creation: 2024-10-31
Description of Data: Vertical profiles of co2 fluxes taken at 2022-05-18
Number of Variables: 3
Variable List:
	1. [Alt] Altitude
	in meters
	
	2. [CO2flx] CO2 flux
	in micromol m-2 -s
	averaged over a horizontal lapse

	3. [CO2flux_std] standard deviation of CO2 flux
	in micromol m-2 -s
	std of a horizontal lapse

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DATA SPECIFIC INFORMATION FOR [Loobos_Aircraft_co2_mol.csv] 
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Date of Creation: 2024-10-31
Description of Data: Vertical profiles of co2 mole fractions
Number of Variables: 3
Variable List:
	1. [date] 
	in Local time
	
	2. [Alt] Altitude
	in meters

	3. [CO2_7815] CO2 mole fraction
	in ppm

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DATA SPECIFIC INFORMATION FOR [Loobos_airsamples_13C.xlsx] 
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Date of Creation: 2024-10-31
Description of Data: flask measurement of 13CO2 taken at 38 m
Number of Variables: 4
Variable List:
	1. [Code] 
	
	2. [date] 

	3. [time] 
	in local time

	4. [d13C]
	in permil


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DATA SPECIFIC INFORMATION FOR [Loobos_airsamples_O2_CO2.csv] 
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Date of Creation: 2024-10-31
Description of Data: flask measurement of O2 and CO2 taken at 38 m
Number of Variables: 6
Variable List:
	1. [SampleDate] 
	
	2. [SampleTime] 
	in local time

	3. [CO2.pic] CO2 measured with Picarro 
	in ppm

	4. [co2.sd] std of CO2 measurement
	in ppm

	5. [O2]
	in permeg

	6. [O2.sd] std of O2 measurement
	in permeg


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DATA SPECIFIC INFORMATION FOR [Loobos_airsamples_vertical_all.csv] 
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Date of Creation: 2024-10-31
Description of Data: vertical flask measurements of O2, CO2 and 13CO2 taken with an aircraft
Number of Variables: 9
Variable List:
	1. [SampleDate] 

	2. [SampleTime] 
	in local time

	3. [height_m] height of measurement
	in meter

	4. [O2]
	in permeg 
	
	5. [O2_std]
	in permeg 

	6. [CO2]
	in ppm

	7. [CO2_std] 
	in ppm


	8. [d13C_mean]
	in permil

	9. [d13C_ste] std of 13CO2 measurements
	in permil


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DATA SPECIFIC INFORMATION FOR [Loobos_Tower_co2_flux.csv] 
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Date of Creation: 2024-10-31
Description of Data: continous measurements of CO2 eddy covariance flux at 38 m
Number of Variables: 5
Variable List:
	1. [Date-time]
	The date and time in local time 
	
	2. [Year] 

	3. [DoY] Day of Year 

	4. [Hour]
	
	5. [co2_flux]
	Co2 flux in micromol m-2 s-1


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DATA ACCESS AND SHARING
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Publications based on this dataset:
	[1] Faassen, K. A., González-Armas R., Koren G., Agmuas Adnew G., van Asperen H., de Boer H., Botía S., de Feiter V. S., Hartogensis O., Heusinkveld B. G., Hulsman L. M.,
	Hutjes R. W. A., Jones S. P., Kers B. A. M, Komiya S., Machado L. A. T., Martins G., Miller J. B., van der Molen M., Moonen R., Dias-Junior C. Q., Röckmann T., Snellen
	H., Luijkx I. T., Vilà-Guerau de Arellano, J. (in prep). Tracing diurnal variations of CO2, O2 and δ13CO2 over a tropical and a temperate forest. 
Recommended citation for this dataset:
	Faassen, K. A., González-Armas R., Koren G., Agmuas Adnew G., van Asperen H., Botía S., Hartogensis O., Hutjes R. W. A., Miller J. B., van der Molen M., Luijkx I. T.,
	Vilà-Guerau de Arellano, J. (2024). Tracing diurnal variations of atmospheric CO2, O2 and δ13CO2 over a tropical and a temperate forest [dataset]. doi: 10.5281/zenodo.14049337

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The licensor cannot revoke these freedoms as long as you follow the licence terms.
	

