Last modified on Dec 07, 2023 14:30

Contributors: A. Velazquez Blazquez (Royal Meteorological Institute of Belgium (RMIB)), N.Clerbaux (RMIB), E. Baudrez (RMIB)

Issued by: RMIB/Clerbaux

Date: 18/12/2020

Ref: C3S_D312b_Lot1.3.8.3-v2.1_202010_PUGS_ECVEarthRadiationBudget_v1.0

Official reference number service contract: 2018/C3S_312b_Lot1_DWD/SC1

Table of Contents

History of modifications

Version	Date	Description of modification	Chapters / Sections
D3.8.3-v1.0	31/01/2020	First version	All
D3.8.1-v2.0	30/09/2020	Update to describe changes in the TCDR v2.0 and ICDR v2.x processing	Chapter 1, Chapter 2
D3.8.3-v2.1¹	23/11/2020	Update in the header and minor changes to cover ICDR

¹Note: In the contract, this deliverable was originally ATBD - Earth Radiation Budget CERES TCDR v2.0 + ICDR v2.x (OLR, RSF)

List of datasets covered by this document

Deliverable ID	Product title	Product type (CDR, ICDR)	Version number	Delivery date
D3.3.20_v2.0²	Earth Radiation Budget TSI TOA TCDR v2.0	CDR	v2.0	30/09/2020
D3.3.23_v2.x	Earth Radiation Budget TSI_TOA_ICDR v2.x	ICDR	v2.x	31/10/2020 - onwards

²Note: In the contract, this deliverable was originally Earth Radiation Budget CERES TCDR v2.0 (OLR, RSF)

Acronyms

Acronym	Definition
ACRIM	Active Cavity Radiometer Irradiance Monitor
ATBD	Algorithm Theoretical Basis Document
AU	Astronomical Unit
C3S	Copernicus Climate Change Service
CDR	Climate Data Record
CDS	Climate Data Store
CET	Central European Time
CUS	Copernicus User Support
DIARAD	DIfferential Absolute RADiometer
DWD	Deutscher Wetterdienst
ECMWF	European Centre for Medium-Range Weather Forecasts
ECV	Essential Climate Variable
ERB	Earth Radiation Budget
ERBE	Earth Radiation Budget Experiment
ERBS	Earth Radiation Budget Satellite
EURECA	European Retrievable Carrier
FAQ	Frequently Asked Question
FTP	File Transfer Protocol
GERB	Geostationary Earth Radiation Budget
HTTP	HyperText Transfer Protocol
ICDR	Interim Climate Data Record
KPI	Key Performance Indicator
PMO	Physikalisch-Meteorologisches Observatorium
PQAR	Product Quality Assurance Report
PREMOS	Precision Monitor Sensor
RMIB	Royal Meteorological Institute of Belgium
SARR	Space Absolute Radiometric Reference
SIM	Solar Irradiance Monitor
SMM	Solar Maximum Mission
SOHO	Solar and Heliospheric Observatory
SOLCON	Solar Constant
SORCE	Solar Radiation and Climate Experiment
SOVA	Solar Variability
SOVIM	Solar Variability Irradiance Monitor
TCDR	Thematic Climate Data Record
TCTE	Total Solar Irradiance Calibration Transfer Experiment
TIM	Total Irradiance Monitor
TOA	Top Of Atmosphere
TSI	Total Solar Irradiance
TSIS	Total and Spectral Solar Irradiance Sensor
UTC	Coordinated Universal Time
VIRGO	Variability of solar IRradiance and Gravity Oscillations

Scope of the document

This document is the Product User Guide and Specifications (PUGS) for the second version (v2.x) of the Total Solar Irradiance (TSI) timeseries which is generated and published as part of the Copernicus Climate Change Service (C3S). It provides the minimum information a user should get for an appropriate use of the TSI data available through the C3S Climate Data Store (CDS).

Executive summary

The Total Solar Irradiance (TSI) quantifies the amount of solar energy that is received by the Earth.
It is defined as the amount of solar power that reaches the Earth per unit surface perpendicular to the Sun–Earth direction at the mean Sun–Earth distance. The TSI is a fundamental variable governing the climate system, and is recognized as ECV by the Global Climate Observing System (GCOS).
Within the Copernicus Climate Change Service (C3S), a long composite Climate Data Record (CDR) is constructed from different TSI measurements obtained by an ensemble of space instruments. In order to create the composite, the measurements of the individual instruments are first put on a common absolute scale, and their quality is assessed by intercomparison. Then, the composite time series is the average of all available measurements, on a daily basis.

1. Composite daily Total Solar Irradiance CDR

1.1 Product description

The Total Solar Irradiance (TSI) quantifies the amount of solar energy that is received by the Earth.

TSI is defined as the amount of solar power that reaches the Earth’s top of the atmosphere per unit surface area perpendicular to the Sun–Earth direction at the mean Sun–Earth distance.

The Total Solar Irradiance (TSI) is a fundamental variable governing the climate system, and is recognized as ECV by the Global Climate Observing System (GCOS). Within the Copernicus Climate Change Service (C3S), a long composite Climate Data Record (CDR) is constructed from measurements of the TSI measured by an ensemble of space instruments.

The first Total Solar Irradiance (TSI) measurement from space was made with the Temperature Control Flux Monitor (TCFM) on Mariner 6 and 7 by Plamondon (1969). Continuous measurement of the TSI started with the Earth Radiation Budget (ERB) instrument on Nimbus 7 by Hickey et al. (1980). Continuous monitoring with an ageing corrected TSI instrument started with the Active Cavity Radiometer Irradiance Monitor (ACRIM) 1 instrument on the Solar Maximum Mission (SMM) by Willson et al. (1980). A summary of TSI space instruments is given in Table 1 (reproduced from ATBD [D3]).

The main processing consists in the generation of the TSI daily composite timeseries from the individual instruments timeseries by scaling the individual series to a common absolute level as described in the ATBD [D3] and also in the 2 journal papers [D1] and [D2]. The quality of the resulting datasets is assessed by intercomparison.

For the ICDR, a regular download of new TSI data is performed for the “active” instruments before launching the TSI composite processing. Currently the “active” instruments are: DIARAD/VIRGO, PMO6/VIRGO, TIM/SORCE, TIM/TCTE and TIM/TSIS. This list is likely to change in the future due to the old age of DIARAD/VIRGO and TIM/SORCE and also to incorporate new TSI measurements from Chinese instruments.

The general characteristics of this Climate Data Record (CDR) are:

C3S daily TSI timeseries
Spatial resolution	NA
Grid	NA
Temporal resolution	Daily mean value
Time period	TCDR : 1^st January 1979 to 31 Dec. 2018 ICDR : 1^st January 1979 to present (~ 30 days latency)
Format	ASCII
Reference level for the fluxes	Irradiance at 1 Astronomical Unit (AU) + Irradiance at actual Earth-Sun distance

Table 1 - Total Solar Irradiance space instruments (acronyms definitions in footnote).

Instrument³	Platform(s)	Used	Operation period(s)	References
TCFM	Mariner-6 & 7	No	1969	Plamondon (1969)
ERB	Nimbus 6	No	1975	Hickey et al (1976)
ERB	Nimbus 7	Yes	1978	Hickey et al (1980)
ACRIM 1	SMM	Yes	1980-1989	Willson et al. (1980)
Solcon 1	Spacelab 1	No	1983	Crommelynck et al (1987)
ERBE	ERBS	Yes	1984-2003	ERBE(1986)
ERBE	NOAA-9	Yes	1985-1989	ERBE(1986)
ACRIM 2	UARS	Yes	1991-2001	Willson et al. (1994)
Solcon 2	Atlas 1	No	1992	Crommelynck et al (1994)
Sova 1	Eureca	No	1992-1993	Crommelynck et al (1994)
Sova 2	Eureca	No	1992-1993	Romero et al. (1994)
ISP-2	Meteor-3 7	No	1994	Sklyarov et al. (1996)
DIARAD/VIRGO	SOHO	Yes	1996-present	Dewitte et al. (2004)
PMO06V-A/VIRGO	SOHO	Yes	1996-present	Froehlich et al. (1997)
ACRIM 3	ACRIMSAT	Yes	2000-2014	Willson et al. (2003)
TIM	SORCE	Yes	2003-present	Kopp et al. (2005)
DIARAD/SOVIM	ISS	Yes	2008	Mekaoui et al. (2010)
SIM	FY 3A	No	2008-2015	Fang et al. (2014)
SOVA	Picard	Yes	2010-2014	Dewitte et al. (2012)
Premos	Picard	Yes	2010-2014	Schmutz et al. (2012)
SIM	FY 3B	No	2011-present	Fang et al. (2014)
TIM	TCTE	Yes	2013-present	Kopp et al. (2016)
SIM	FY 3C	No	2013-present	Wang et al. (2017)
TIM	TSIS-1	Yes	2018- present

³TCFM: Temperature Control Flux Monitor; ERB: Earth Radiation Budget; ACRIM: Active Cavity Radiomer Irradiance Monitor; SMM: Solar Maximum Mission; SOLCON: Solar Constant; ERBE: Earth Radiation Budget Experiment; ERBS: Earth Radiation Budget Satellite; NOAA: National Oceanic and Atmospheric Administration; UARS: Upper Atmosphere Research Satellite; ATLAS: Atmospheric Laboratory for Applications and Science; SOVA: Solar Variability; EURECA: European Retrievable Carrier; ISP: Solar Constant Gauge; DIARAD: Differential Absolute Radiometer; VIRGO: Variability of Irradiance and Gravity Oscillations; SOHO: Solar and Heliospheric Observatory; PMO: Physikalisches und Meteorologisches Observatorium; TIM: Total Irradiance Monitoring; SORCE: Solar Radiation and Climate Experiment; SOVIM: Solar Variability Irradiance Monitor; SIM: Solar Irradiance Monitor; FY: Feng Yung; PREMOS: Precision Monitor Sensor; TCTE: Total Solar Irradiance Calibration Transfer Experiment.; TSIS: Total and Spectral Solar Irradiance Sensor.

Figure 1 provides an illustration of the TSI daily timeseries.

Figure 1: illustration of the C3S TSI timeseries (ICDR v2.1) (W/m²). The 121 days running mean is also shown (orange curve).

1.2 Target requirements

The target requirements for the TSI daily records are provided in the following table. The stability requirement is slightly relaxed for the ICDR version. These requirements are verified in the Product Quality Assurance Report (PQAR, [D5]).

Target requirements
Spatial resolution	NA
Temporal coverage	1^st January 1979 - present
Accuracy	TCDR : < 1 W/m² ICDR : < 1 W/m²
Stability	TCDR : < 0.3 W/m²/decade ICDR : < 0.5 W/m²/decade

1.3 Data usage information

The following page shows the beginning of the C3S TSI data file. The header part fully described the content of the file. Note that the content of the different columns may change in time due to the addition of new TSI instruments in the composite. Also, note that the last column provides the TSI value from the SATIRE-S (Ball et al., 2014) semi-empirical model. This model is only used at the very beginning of the record in the calculation of the TSI composite value (between 1^st January 1979 and 15 February 1980).

Example of C3S TSI daily composite data file showing the header and the first lines of data.

# C3S daily Total Solar Irradiance (TSI) timeseries
#
# The TSI is the total amount of solar radiation, i.e. integrated over the all wavelength, at the mean 
# Earth-Sun distance (1 AU). Given its direct impact on the Earth Radiation Budget (ERB), it is one of 
# the Essential Climate Variables (ECV) defined by the GCOS.
#
# This C3S timeseries provides an estimate of the daily TSI computed as a composite of different
# space instruments (see list after).
#
# CDR type : ICDR
# CDR version : v2.2
#
# CDR provider : Royal Meteorological Institute of Belgium
# Contract : C3S_312b_lot1                               
#
# Temporal resolution : daily
# Covered period start (YYYYMMDD) : 19790101
# Covered period end   (YYYYMMDD) : 20201031
#
# Creation date and time (YYYYMMDD_hhmmss) : 20201120_040033
# Software version                         : v2.1
#
# Instruments and adjustment factors:
#     0 : "ERB"                                        0.993204
#     1 : "ACRIM1"                                     0.996232
#     2 : "ERBS (with temporal interpolation)"         0.997864
#     3 : "ACRIM2"                                     0.998587
#     4 : "DIARAD/VIRGO on SOHO"                       0.997241
#     5 : "PMO06/VIRGO on SOHO"                        0.997609
#     6 : "ACRIM3"                                     1.000938
#     7 : "TIM on SORCE (aging corrected, ATBD)"       1.001216
#     8 : "PREMOS"                                     1.001085
#     9 : "Sovap"                                      1.000518
#    10 : "TIM on TCTE"                                1.000633
#    11 : "TIM on TSIS1"                               1.000450
#    12 : "SATIRE (semi-empirical model)"              1.000736
#
#
# Note that SATIRE (last column) is only used before 16 Feb. 1980 and to fill gaps of less than 50 days in the individual timeseries (see ATBD) .
#
# Data format :
#    col 1 : Nominal date expressed as fractional year (e.g. 1987.0 is 1 Jan 1987 at 00:00 UTC). This
#            field is useful for visualization but should not be used for data selection.
#    col 2 : Total Solar Irradiance (TSI) value at 1 Astronomical Unit (AU).
#    col 3 : Nominal date expressed as Julian Day number (integer)
#    col 4 : Nominal date expressed as YYYYMMDD (YYYY=year, MM=month, DD=day)
#    col 5 : Number of individual TSI values combined in the composite TSI for this day.
#    col 6 : Variance of these individual TSI values (after SARR adjustment)
#    col 7 : Earth-Sun distance in Astronomical Unit (AU).
#    col 8 : TSI value at the true Earth-Sun distance
#    col 9 : Binary flags of the instruments used in the composite, e.g. 011000000000 means that
#            only instruments 2 and 3 are used for the daily mean for this particular day
#    col 10 : Original TSI values for instrument ERB
#    col 11 : Original TSI values for instrument ACRIM1
#    col 12 : Original TSI values for instrument ERBS
#    col 13 : Original TSI values for instrument ACRIM2
#    col 14 : Original TSI values for instrument DIARAD
#    col 15 : Original TSI values for instrument PMO06
#    col 16 : Original TSI values for instrument ACRIM3
#    col 17 : Original TSI values for instrument TIM_SORCE
#    col 18 : Original TSI values for instrument PREMOS
#    col 19 : Original TSI values for instrument SOVAP
#    col 20 : Original TSI values for instrument TIM_TCTE
#    col 21 : Original TSI values for instrument TIM_TSIS1
#    col 22 : Original TSI values for instrument SATIRE
#
#  year       TSI   jul.day   YYYYMMDD num  std.dev.   dist   act.TSI    instr.bits        ERB   ACRIM1     ERBS   ACRIM2   DIARAD    PMO06   ACRIM3 TIM_SORCE   PREMOS    SOVAP TIM_TCTE TIM_TSIS1   SATIRE
#
1979.0014 1362.3818 2443875   19790101  1   0.0000   0.98333 1408.9771 0000000000001  1373.030      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.380
1979.0041 1362.5798 2443876   19790102  1   0.0000   0.98331 1409.2182 0000000000001  1373.081      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.578
1979.0068 1362.3986 2443877   19790103  1   0.0000   0.98330 1409.0551 0000000000001  1372.750      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.396
1979.0096 1362.5135 2443878   19790104  1   0.0000   0.98330 1409.1857 0000000000001  1373.690      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.511
1979.0123 1362.4286 2443879   19790105  1   0.0000   0.98330 1409.0963 0000000000001  1373.770      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.426
1979.0151 1362.5720 2443880   19790106  1   0.0000   0.98331 1409.2288 0000000000001  1373.474      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.570
1979.0178 1362.9864 2443881   19790107  1   0.0000   0.98332 1409.6265 0000000000001  1373.450      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.984
1979.0205 1363.0581 2443882   19790108  1   0.0000   0.98333 1409.6538 0000000000001  1373.840      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1362.055
1979.0233 1362.7390 2443883   19790109  1   0.0000   0.98336 1409.2605 0000000000001  1373.540      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.737
1979.0260 1362.5814 2443884   19790110  1   0.0000   0.98338 1409.0168 0000000000001  1373.034      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.579
1979.0288 1362.9510 2443885   19790111  1   0.0000   0.98342 1409.3005 0000000000001  1373.060      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.948
1979.0315 1363.0376 2443886   19790112  1   0.0000   0.98346 1409.2734 0000000000001  1373.950      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1362.035
1979.0342 1362.9192 2443887   19790113  1   0.0000   0.98351 1409.0159 0000000000001  1373.910      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.917
1979.0370 1362.7732 2443888   19790114  1   0.0000   0.98356 1408.7116 0000000000001  1373.569      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.771
1979.0397 1362.7277 2443889   19790115  1   0.0000   0.98362 1408.4928 0000000000001  1373.330      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.725
1979.0425 1362.7963 2443890   19790116  1   0.0000   0.98369 1408.3740 0000000000001  1373.620      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN      NaN 1361.794
 (…)

The users are invited to read the ATBD [D3], the PQAR [D5] and SQAD [D6] documents for additional information on the data product and production system.

1.3.1 Disclaimer

"This data product has been produced in the context of the Copernicus Climate Change Service (C3S).
https://apps.ecmwf.int/datasets/licences/copernicus/

This dataset is produced on behalf of C3S by the RMIB.

Literature citation

Dewitte, S. and Nevens, S., 2016. The total solar irradiance climate data record. The Astrophysical Journal, 830(1), p.25.

2. Data access information

2.1 Data access through the RMIB

The C3S daily Total Solar Irradiance (TSI) timeseries is made available to the C3S Climate Data Store (CDS) through an HTTPS server hosted by the Royal Meteorological Institute of Belgium (RMIB). The server provides a "fix" validated version of the TCDR over the 1^st January 1979 – 31^st December 2018 (in version 2.0):

https://gerb.oma.be/tsi/C3S_RMIB_daily_TSI_composite_TCDR_v2.0.txt

and regularly updated the ICDR with increasing version number v2.x (v2.1-v2.3):

https://gerb.oma.be/tsi/C3S_RMIB_daily_TSI_composite_ICDR_v2.2.txt

https://gerb.oma.be/tsi/C3S_RMIB_daily_TSI_composite_ICDR_v2.x.txt

The latest version of the composite is available at:

ftp://gerb.oma.be/C3S/manifest_312b_Lot1_ERB_TSI_latest.txt

2.2 Data access through the CDS

The data can be accessed via the Copernicus Climate Data Store (CDS) at https://cds.climate.copernicus.eu/cdsapp#!/dataset/satellite-earth-radiation-budget?tab=overview.

2.3 Product ordering process

You need to be registered and logged in to order products in the CDS. A login is provided upon registration, all products in the CDS are delivered free of charge.

2.4 Visualization tool

The data will be available in the CDS Toolbox (https://cds.climate.copernicus.eu/cdsapp#!/toolbox).

2.5 Documentation

For links to the original documentation on the C3S TSI timeseries, see the list of Related documents on page 4 in this document.

References

Ball, W.T., Krivova, N.A., Unruh, Y.C., Haigh, J.D. and Solanki, S.K., 2014. A new SATIRE-S spectral solar irradiance reconstruction for solar cycles 21–23 and its implications for stratospheric ozone. Journal of the Atmospheric Sciences, 71(11), pp.4086-4101.
Crommelynck, D., Domingo, V., Fichot, A., & Lee, R. (1994). Total Solar Irradiance Observations from the EURECA and ATLAS Experiments. International Astronomical Union Colloquium, 143, 63-69. doi:10.1017/S0252921100024544

Dewitte S. (2013). The Contribution of the DIARAD Type Radiometer to the Revision of the Solar Constant Technical Note. Available at ftp://gerb.oma.be/steven/RMIB_TSI_composite/diaradnewsolarconstant.pdf

Dewitte, S. and Clerbaux, N., 2017. Measurement of the earth radiation budget at the top of the atmosphere—a review. Remote Sensing, 9(11), p.1143.

Dewitte, S. and Nevens, S., 2016. The total solar irradiance climate data record. The Astrophysical Journal, 830(1), p.25.

Dewitte, S., Crommelynck, D., and Joukoff, A. (2004). Total solar irradiance observations from DIARAD/VIRGO, J. Geophys. Res., 109, A02102, doi:10.1029/2002JA009694.

Dewitte, S., Janssen, E. and Mekaoui, S., (2013). May. Science results from the Sova-Picard total solar irradiance instrument. In AIP Conference Proceedings (Vol. 1531, No. 1, pp. 688-691). AIP. doi:10.1063/1.4804863

ERBE Science Team (1986). First data from the Earth Radiation Budget Experiment.BAMS, 67, 818--824.

Froehlich, C. (2003). Long-Term Behaviour of Space Radiometers, Metrologia,40, 60-65.

Froehlich, C., Crommelynck, D.A., Wehrli, C. et al. (1997). In-Flight Performance of the Virgo Solar Irradiance Instruments on Soho. Sol Phys 175, 267–286. doi:10.1023/A:1004929108864

Hickey, J.R., L.L. Stowe, H. Jacobowitz, P. Pellegrino, R.H. Machhoff, F. House, T.H. Vonder Haar (1980). Initial solar irradiance determinations from nimbus 7 cavity radiometer measurements, Science, 208, 281--283.

Kopp, G., Lawrence, G. & Rottman, G. (2005). The Total Irradiance Monitor (TIM): Science Results. Sol Phys 230, 129–139. doi:10.1007/s11207-005-7433-9

Lee, R. B., Gibson, M. A., Wilson, R. S., and Thomas, S. (1995). Long-term total solar irradiance variability during sunspot cycle 22, J. Geophys. Res., 100(A2), 1667– 1675, doi:10.1029/94JA02897

Mekaoui, S., Dewitte, S. (2008). Total Solar Irradiance Measurement and Modelling during Cycle 23. Sol Phys 247, 203–216. doi:10.1007/s11207-007-9070-y

Mekaoui, S., Dewitte, S., Conscience, C. and Chevalier, A. (2010). Total solar irradiance absolute level from DIARAD/SOVIM on the International Space Station. Advances in Space Research, 45(11), pp.1393-1406.

Mount Wilson Observatory (2013). The 150-foot Solar Tower Current Selected Data (Mt. Wilson, CA: Mount Wilson Institute), http://obs.astro.ucla.edu/150_data.html

Plamondon, (1969): TCFM solar observations on Mariner 6, JPL Space Program Summary, 3, 162.

Romero, J., Wehrli, C. & Fröhlich, C. (1994). Solar total irradiance variability from SOVA 2 on board EURECA. Sol Phys 152, 23–29 doi:10.1007/BF01473178

Schmutz W., Fehlmann A., Finsterle W., Kopp G., Thuillier G. (2012). Total solar irradiance measurements with PREMOS/Picard, AIP Conf. Proc, 1531, 624. doi: 10.1063/1.4804847

TCTE 2014, Total Solar Irradiance Calibration Transfer Experiment (Boulder, CO: Univ. of Colorado), http://lasp.colorado.edu/home/tcte/data

Willson, R. (1994). Irradiance Observations of SMM, Spacelab 1, UARS, and ATLAS Experiments. International Astronomical Union Colloquium, 143, 54-62. doi:10.1017/S0252921100024532

Willson, R.C. (2014). ACRIM3 and the Total Solar Irradiance database. Astrophys Space Sci 352, 341–352. doi:10.1007/s10509-014-1961-4

Willson, R.C., S. Gulkis, M. Janssen, H.S. Hudson, G.A. Chapman, (1980): Observations of Solar Irradiance Variability, Science, 211, 700 - 702. doi: 10.1126/science.211.4483.700

_{This document has been produced in the context of the Copernicus Climate Change Service (C3S).}

_{The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of C3S on behalf of the European Union (Delegation agreement signed on 11/11/2014). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose.}

_{The users thereof use the information at their sole risk and liability. For the avoidance of all doubt , the European Commission and the European Centre for Medium - Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view.}

Reference ID	Document
D1	Dewitte, S. and Nevens, S., 2016. The total solar irradiance climate data record. The Astrophysical Journal, 830(1), p.25.
D2	Dewitte, S. and Clerbaux, N., 2017. Measurement of the earth radiation budget at the top of the atmosphere—a review. Remote Sensing, 9(11), p.1143.
D3	C3S Algorithm Theoretical Basis Document - Earth Radiation Budget TSI_TOA TCDR v2.0 + ICDR v2.x C3S_D312b_Lot1.1.5.1-v2.0_202003_ATBD_ECVEarthRadiationBudget_v1.0
D4	Copernicus User Support Handbook, V2.1 ftp link to the handbook last accessed on 25/09/2020
D5	C3S Product Quality Assurance Report - Earth Radiation Budget TSI_TOA TCDR v2.0+ ICDR v2.x C3S_D312b_Lot1.2.5.9-v2.1_202101_PQAR_ECVEarthRadiationBudget_v1.0
D6	C3S System Quality Assurance Document - Earth Radiation Budget TSI_TOA TCDR v2.0 + ICDR v2.x C3S_D312b_Lot1.2.5.1-v2.0_202003_SQAD_ECVEarthRadiationBudget_v1.0

Space shortcuts

Page tree

History of modifications

List of datasets covered by this document

Related documents

Acronyms

Scope of the document

Executive summary

1. Composite daily Total Solar Irradiance CDR

1.1 Product description

1.2 Target requirements

1.3 Data usage information

1.3.1 Disclaimer

2. Data access information

2.1 Data access through the RMIB

2.2 Data access through the CDS

2.3 Product ordering process

2.4 Visualization tool

2.5 Documentation

References

Related articles

Space shortcuts

Page tree

ERB TSI: Product User Guide and Specification (PUGS)

History of modifications

List of datasets covered by this document

Related documents

Acronyms

Scope of the document

Executive summary

1. Composite daily Total Solar Irradiance CDR

1.1 Product description

1.2 Target requirements

1.3 Data usage information

1.3.1 Disclaimer

2. Data access information

2.1 Data access through the RMIB

2.2 Data access through the CDS

2.3 Product ordering process

2.4 Visualization tool

2.5 Documentation

References

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