Version 2.3, Copyright © 2005-2024 NILU NILU Press here for more information on FastRT and other model versions Solar Geometry for Irradiance Calculations Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 GMT Hours 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Minutes 00 10 20 30 40 50 Year Latitude (degs N) Longitude (degs E) When checked, use degrees for Solar Zenith Angle directly and ignore Date, Time, and Location Cloudless sky: Visibility of km, Range [5-350] km. Ångström β of , Range [0.0-0.4] (AOD = βλµm-1.3). Scattered clouds: Cloud fraction of %, Range [0-100]. Cloud liquid water column of g m-2, Range [0-5000]. Broken clouds (radiation enhancement): Cloud liquid water column of g m-2, Range [0-5000]. Overcast sky: Cloud liquid water path (LWP) of g m-2, Range [0-5000]. (Thin clouds: LWP < 50 g m-2; Thick clouds: LWP > 500 g m-2) Total ozone column: Dobson Units (DU), Range [100-600] Press here for measurements (map) of total ozone column. Surface elevation km. Range [0.0-6.0] km Surface albedo of Range [0.0-1.0]. Surface type: Snow 5 cm Snow 2 cm Sand Lawn Concrete (dry) Concrete (wet) Grass Beet Oat Loam Rye Stub Snow (new) Snow (old) Sand (dry) Limestone Meadow Field (dry) Triangular spectral response function, Full Width Half Maximum (FWHM): nm, Range [0.05-55.0] nm, multiples of 0.05 nm Compute surface downward irradiance at wavelength nm, Range [290-400] nm. Compute surface irradiances from to at steps of nm, Range [290-400nm]. Compute UV daily dose of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (Dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage) UV index (WMO) (Solar zenith angle and time of day selection ignored) Compute UV doserate of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (Dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage) UV index (WMO) Print UV action spectrum of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage) This work has been funded by the European Commission and the Norwegian Research Council through the projects UV Radiation in the Arctic: Past, Present and Future (UVRAPPF), European Database for UV Climatology and Evaluation (EDUCE) and Integrated Assessment of Health Risks of Environmental Stressors in Europe (INTARESE).
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 GMT Hours 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Minutes 00 10 20 30 40 50 Year
Latitude (degs N) Longitude (degs E)
When checked, use degrees for Solar Zenith Angle directly and ignore Date, Time, and Location
Scattered clouds: Cloud fraction of %, Range [0-100]. Cloud liquid water column of g m-2, Range [0-5000].
Broken clouds (radiation enhancement): Cloud liquid water column of g m-2, Range [0-5000].
Overcast sky: Cloud liquid water path (LWP) of g m-2, Range [0-5000]. (Thin clouds: LWP < 50 g m-2; Thick clouds: LWP > 500 g m-2)
Surface albedo of Range [0.0-1.0].
Surface type: Snow 5 cm Snow 2 cm Sand Lawn Concrete (dry) Concrete (wet) Grass Beet Oat Loam Rye Stub Snow (new) Snow (old) Sand (dry) Limestone Meadow Field (dry)
Compute surface downward irradiance at wavelength nm, Range [290-400] nm.
Compute surface irradiances from to at steps of nm, Range [290-400nm].
Compute UV daily dose of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (Dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage) UV index (WMO) (Solar zenith angle and time of day selection ignored)
Compute UV doserate of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (Dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage) UV index (WMO)
Print UV action spectrum of type UV-A (315-400nm uniform) UV-B (280-315nm uniform) POLY (polymer degradation) DNA (Skin cancer) CIE erythema (Skin burn) CIE Vitamin D (dermal vitamin D synthesis) DNA_damage Fish melanoma Calanus mortality Cod egg mortality SCUP-M (Skin cancer mice) SCUP-H (Skin cancer human corrected) POL (Polychromatic damage for higher plants) PTP (Phytoplankton photoinhibition) PTP2 (Prorocentrum photoinhibition) PTP3 (Phaeodactylum photoinhibition) PRT (DNA to protein) SSB (DNA breaks) SCUP (Skin cancer) TYP (Typhimurium killing) Vitamin D synthesis (old version) PLANT (Plant damage)
