3.19.2. PAR

3.19.2.1. Introduction

SKL2620/5 from Skye instruments measures photosynthetically active radiation, used to determine the radiation available to plants for photosynthesis. Deployed at a set up with other Skye instruments UVA and UVB. Output definitions, variables etc are in the UVA instrument page.

3.19.2.2. Manufacturer and Model

Model	Brand	Type
SKL2620/5	Skye Instruments	Quantum (PAR)

3.19.2.3. Processing code

Code used to process raw data: https://github.com/Urban-Meteorology-Reading/Operations-Radiometers

3.19.2.4. Serials

Serial	Suffix
020630661	A
020630659	B
020630660	C

3.19.2.5. Deployments

3.19.2.5.1. Serial number: 020630661

Site ID	Start date	End date
KSK	2008-09-29 00:00	2009-09-29 00:00
KSS	2009-10-09 00:00	2012-02-26 00:00
KSS45W	2012-02-27 00:00	2016-04-14 00:00
IMU	2016-05-04 00:00	2020-11-04 00:00

3.19.2.5.2. Serial number: 020630659

Site ID	Start date	End date
KSSW	2012-03-26 00:00	2014-08-13 00:00
KSSW	2014-08-13 00:00	2014-09-04 00:00
KSSW	2014-09-04 00:00	2016-09-14 00:00
KSSW	2016-09-15 00:00	2017-06-13 00:00

3.19.2.6. Photos

Fig. 3.49 Indicated by arrow at KSS45W. Unknown date between 2012-02-27 and 2016-04-14.

Fig. 3.50 At KSSW 15-09-2016.

Fig. 3.51 Atop tower at KSK 18-08-2009.

Fig. 3.52 At KSS 16-10-2009.

Fig. 3.53 Structure on which it was on top of at IMU 08-01-2020.

3.19.2.7. Supplementary information

Link	Title	Description
PAR manual	PAR manual	Manual from Skye Instruments.

3.19.2.8. Data acquisition

Data can be requested from Prof. Sue Grimmond (c.s.grimmond@reading.ac.uk).

3.19.2.9. References

1. Ward, H. C., Kotthaus, S., Grimmond, C. S. B., Bjorkegren, A., Wilkinson, M., Morrison, W. T. J., Evans, J. G., Morison, J. I. L. and Iamarino, M. (2015) Effects of urban density on carbon dioxide exchanges: observations of dense urban, suburban and woodland areas of southern England. Environmental Pollution, 198. pp. 186-200. ISSN 0269-7491 doi: https://doi.org/10.1016/j.envpol.2014.12.031

Tip

1. Stuck? the user guide is a useful place to start.

2. Please report issues at GitHub Issues. Go from the page with the problem - an automatic link will be inserted. Thanks.