3.29.1. UVA

3.29.1.1. Introduction

SKU420/5 from Skye instruments measures ultra violet-A radiation between 315-380 nm. Deployed at a set up with other Skye instruments UVB and PAR. Output definitions, variables etc forthese two instruments are on this page.

3.29.1.2. Manufacturer and Model

Model	Brand	Type
SKU420/5	Skye Instruments	UVA Sensor

3.29.1.3. Output definitions

Ouput definition ID	File Identifier	Level Number	QAQC notes	File time resolution
SKYE	SKYE_%SITE	0	No_QAQC	15min
SKYE	SKYE_%SITE	1	Thresholds	15min

3.29.1.4. Processing code

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

3.29.1.5. Variables measured by instrument

Table 3.24 Variables measured - sorted alphabetically

Variable ID	Full Name	Unit	Lower Threshold	Upper Threshold	Files present (Output definition ID,Level No,Time resolution)
FLAG	Status flag	N/A			SKYE,1,15min
nSamples	nSamples	samples/interval			SKYE,0,15min SKYE,1,15min
PAR_umol	PAR_radiation_umol	umol.m-2.s-1	0.0	2000.0	SKYE,0,15min SKYE,1,15min
PAR_W	photosynthetically_active_radiation	W.m-2	0.0	400.0	SKYE,0,15min SKYE,1,15min
sd_PAR_umol	standard dev PAR_umol	umol.m-2.s-1			SKYE,0,15min SKYE,1,15min
sd_PAR_W	standard_deviation_photosynthetically_active_radiation_W	W.m-2			SKYE,0,15min SKYE,1,15min
sd_UVA_umol	standard_deviation_UVA_umol	umol.m-2.s-1			SKYE,0,15min SKYE,1,15min
sd_UVA_W	standard_deviation_UVA_radiation_W	W.m-2			SKYE,0,15min SKYE,1,15min
sd_UVB_umol	UVB_radiation_umol	umol.m-2.s-1			SKYE,0,15min SKYE,1,15min
sd_UVB_W	standard_deviation_UVB_radiation_W	W.m-2			SKYE,0,15min SKYE,1,15min
UVA_umol	UVA_radiation_umol	umol.m-2.s-1	0.0	500.0	SKYE,0,15min SKYE,1,15min
UVA_W	UVA_radiation	W.m-2	0.0	100.0	SKYE,0,15min SKYE,1,15min
UVB_umol	UVB_radiation_umol	umol.m-2.s-1	0.0	500.0	SKYE,0,15min SKYE,1,15min
UVB_W	UVB_radiation	W.m-2	0.0	100.0	SKYE,0,15min SKYE,1,15min

3.29.1.6. Serials

Serial	Suffix
020630656	A
020630655	B
060427921	C
060427922	D

3.29.1.7. Deployments

3.29.1.7.1. Serial number: 020630655

Site ID	Start date	End date
KSS45W	2012-02-27 00:00	2016-04-14 00:00
IMU	2016-05-04 00:00	2020-11-04 00:00

3.29.1.7.2. Serial number: 020630656

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

3.29.1.7.3. Serial number: 060427922

Site ID	Start date	End date
KSSW	2013-07-24 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

3.29.1.7.4. Serial number: 060427921

Site ID	Start date	End date
KSSW	2012-03-26 00:00	2013-07-24 00:00

3.29.1.8. Photos

Fig. 3.68 Indicated by arrow at KSS45W. Unknown date between 2012-02-27 and 2016-04-14.

Fig. 3.69 At KSSW 15-09-2016.

Fig. 3.70 Atop tower at KSK 18-08-2009.

Fig. 3.71 At KSS 16-10-2009.

Fig. 3.72 Structure on which it was on top of at IMU 08-01-2020.

3.29.1.9. Supplementary information

Link	Title	Description
UV sensors manual	UV sensors manual	From Skye.

3.29.1.10. Data acquisition

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

3.29.1.11. References

1. Sun, T., Grimmond, C. S. E. and Ni, G.-H. (2016) How do green roofs mitigate urban thermal stress under heat waves? Journal of Geophysical Research: Atmospheres, 121 (10). pp. 5320-5335. ISSN 2169-8996 doi: https://doi.org/10.1002/2016JD024873

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.