Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign
<p>The near-infrared (NIR) part of the solar spectrum is of prime importance for solar physics and climatology, directly intervening in the Earth's radiation budget. Despite its major role, available solar spectral irradiance (SSI) NIR datasets, space-borne or ground-based, present discre...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2018-12-01
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| Series: | Atmospheric Measurement Techniques |
| Online Access: | https://www.atmos-meas-tech.net/11/6605/2018/amt-11-6605-2018.pdf |
| _version_ | 1818173001694183424 |
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| author | N. Pereira D. Bolsée P. Sperfeld S. Pape D. Sluse G. Cessateur |
| author_facet | N. Pereira D. Bolsée P. Sperfeld S. Pape D. Sluse G. Cessateur |
| author_sort | N. Pereira |
| collection | DOAJ |
| description | <p>The near-infrared (NIR) part of the solar spectrum is of prime importance for
solar physics and climatology, directly intervening in the Earth's
radiation budget. Despite its major role, available solar spectral irradiance
(SSI) NIR datasets, space-borne or ground-based, present discrepancies caused
by instrumental or methodological reasons. We present new results obtained
from the PYR-ILIOS SSI NIR ground-based campaign, which is a replication of
the previous IRSPERAD campaign which took place in 2011 at the Izaña
Atmospheric Observatory (IZO). We used the same instrument and primary calibration source
of spectral irradiance. A new site was chosen for PYR-ILIOS: the Mauna Loa
Observatory (MLO) in Hawaii (3397 m a.s.l.), approximately 1000 m higher than IZO.
Relatively to IRSPERAD, the methodology of monitoring the traceability to the
primary calibration source was improved. The results as well as a detailed
error budget are presented. We demonstrate that the most recent results, from
PYR-ILIOS and other space-borne and ground-based experiments, show an NIR SSI
lower than the previous reference spectrum, ATLAS3, for wavelengths above <span class="inline-formula">1.6 µm</span>.</p> |
| first_indexed | 2024-12-11T19:21:34Z |
| format | Article |
| id | doaj.art-fac58df21eeb4b3e8e5be984956e69b6 |
| institution | Directory Open Access Journal |
| issn | 1867-1381 1867-8548 |
| language | English |
| last_indexed | 2024-12-11T19:21:34Z |
| publishDate | 2018-12-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Measurement Techniques |
| spelling | doaj.art-fac58df21eeb4b3e8e5be984956e69b62022-12-22T00:53:31ZengCopernicus PublicationsAtmospheric Measurement Techniques1867-13811867-85482018-12-01116605661510.5194/amt-11-6605-2018Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaignN. Pereira0D. Bolsée1P. Sperfeld2S. Pape3D. Sluse4G. Cessateur5BIRA-IASB, 3 Ringlaan, 1180 Brussels, BelgiumBIRA-IASB, 3 Ringlaan, 1180 Brussels, BelgiumPhysikalisch-Technische Bundesanstalt, Braunschweig, GermanyPhysikalisch-Technische Bundesanstalt, Braunschweig, GermanyBIRA-IASB, 3 Ringlaan, 1180 Brussels, BelgiumBIRA-IASB, 3 Ringlaan, 1180 Brussels, Belgium<p>The near-infrared (NIR) part of the solar spectrum is of prime importance for solar physics and climatology, directly intervening in the Earth's radiation budget. Despite its major role, available solar spectral irradiance (SSI) NIR datasets, space-borne or ground-based, present discrepancies caused by instrumental or methodological reasons. We present new results obtained from the PYR-ILIOS SSI NIR ground-based campaign, which is a replication of the previous IRSPERAD campaign which took place in 2011 at the Izaña Atmospheric Observatory (IZO). We used the same instrument and primary calibration source of spectral irradiance. A new site was chosen for PYR-ILIOS: the Mauna Loa Observatory (MLO) in Hawaii (3397 m a.s.l.), approximately 1000 m higher than IZO. Relatively to IRSPERAD, the methodology of monitoring the traceability to the primary calibration source was improved. The results as well as a detailed error budget are presented. We demonstrate that the most recent results, from PYR-ILIOS and other space-borne and ground-based experiments, show an NIR SSI lower than the previous reference spectrum, ATLAS3, for wavelengths above <span class="inline-formula">1.6 µm</span>.</p>https://www.atmos-meas-tech.net/11/6605/2018/amt-11-6605-2018.pdf |
| spellingShingle | N. Pereira D. Bolsée P. Sperfeld S. Pape D. Sluse G. Cessateur Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign Atmospheric Measurement Techniques |
| title | Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign |
| title_full | Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign |
| title_fullStr | Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign |
| title_full_unstemmed | Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign |
| title_short | Metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at Mauna Loa Observatory: the PYR-ILIOS campaign |
| title_sort | metrology of solar spectral irradiance at the top of the atmosphere in the near infrared measured at mauna loa observatory the pyr ilios campaign |
| url | https://www.atmos-meas-tech.net/11/6605/2018/amt-11-6605-2018.pdf |
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