Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target
The S-NPP Visible Infrared Imaging Radiometer Suite (VIIRS) instrument, a polar orbiting Earth remote sensing instrument built using a strong MODIS background, employs a similarly designed on-board calibrating source—a V-grooved blackbody for the Thermal Emissive Bands (TEB). The central wavelengths...
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ftmdpi:oai:mdpi.com:/2072-4292/8/2/158/ 2023-08-20T04:01:55+02:00 Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target Sriharsha Madhavan Jake Brinkmann Brian Wenny Aisheng Wu Xiaoxiong Xiong agris 2016-02-19 application/pdf https://doi.org/10.3390/rs8020158 EN eng Multidisciplinary Digital Publishing Institute https://dx.doi.org/10.3390/rs8020158 https://creativecommons.org/licenses/by/4.0/ Remote Sensing; Volume 8; Issue 2; Pages: 158 VIIRS MODIS thermal emissive bands Dome Concordia calibration Text 2016 ftmdpi https://doi.org/10.3390/rs8020158 2023-07-31T20:50:28Z The S-NPP Visible Infrared Imaging Radiometer Suite (VIIRS) instrument, a polar orbiting Earth remote sensing instrument built using a strong MODIS background, employs a similarly designed on-board calibrating source—a V-grooved blackbody for the Thermal Emissive Bands (TEB). The central wavelengths of most VIIRS TEBs are very close to those of MODIS with the exception of the 10.7 µm channel. To ensure the long term continuity of climate data records derived using VIIRS and MODIS TEB, it is necessary to assess any systematic differences between the two instruments, including scenes with temperatures significantly lower than blackbody operating temperatures at approximately 290 K. Previous work performed by the MODIS Characterization Support Team (MCST) at NASA/GSFC used the frequent observations of the Dome Concordia site located in Antarctica to evaluate the calibration stability and consistency of Terra and Aqua MODIS over the mission lifetime. The near-surface temperature measurements from an automatic weather station (AWS) provide a direct reference useful for tracking the stability and determining the relative bias between the two MODIS instruments. In this study, the same technique is applied to the VIIRS TEB and the results are compared with those from the matched MODIS TEB. The results of this study show a small negative bias when comparing the matching VIIRS and Aqua MODIS TEB, implying a higher brightness temperature for S-VIIRS at the cold end. Statistically no significant drift is observed for VIIRS TEB performance over the first 3.5 years of the mission. Text Antarc* Antarctica MDPI Open Access Publishing Remote Sensing 8 2 158 |
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Open Polar |
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MDPI Open Access Publishing |
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language |
English |
topic |
VIIRS MODIS thermal emissive bands Dome Concordia calibration |
spellingShingle |
VIIRS MODIS thermal emissive bands Dome Concordia calibration Sriharsha Madhavan Jake Brinkmann Brian Wenny Aisheng Wu Xiaoxiong Xiong Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
topic_facet |
VIIRS MODIS thermal emissive bands Dome Concordia calibration |
description |
The S-NPP Visible Infrared Imaging Radiometer Suite (VIIRS) instrument, a polar orbiting Earth remote sensing instrument built using a strong MODIS background, employs a similarly designed on-board calibrating source—a V-grooved blackbody for the Thermal Emissive Bands (TEB). The central wavelengths of most VIIRS TEBs are very close to those of MODIS with the exception of the 10.7 µm channel. To ensure the long term continuity of climate data records derived using VIIRS and MODIS TEB, it is necessary to assess any systematic differences between the two instruments, including scenes with temperatures significantly lower than blackbody operating temperatures at approximately 290 K. Previous work performed by the MODIS Characterization Support Team (MCST) at NASA/GSFC used the frequent observations of the Dome Concordia site located in Antarctica to evaluate the calibration stability and consistency of Terra and Aqua MODIS over the mission lifetime. The near-surface temperature measurements from an automatic weather station (AWS) provide a direct reference useful for tracking the stability and determining the relative bias between the two MODIS instruments. In this study, the same technique is applied to the VIIRS TEB and the results are compared with those from the matched MODIS TEB. The results of this study show a small negative bias when comparing the matching VIIRS and Aqua MODIS TEB, implying a higher brightness temperature for S-VIIRS at the cold end. Statistically no significant drift is observed for VIIRS TEB performance over the first 3.5 years of the mission. |
format |
Text |
author |
Sriharsha Madhavan Jake Brinkmann Brian Wenny Aisheng Wu Xiaoxiong Xiong |
author_facet |
Sriharsha Madhavan Jake Brinkmann Brian Wenny Aisheng Wu Xiaoxiong Xiong |
author_sort |
Sriharsha Madhavan |
title |
Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
title_short |
Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
title_full |
Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
title_fullStr |
Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
title_full_unstemmed |
Evaluation of VIIRS and MODIS Thermal Emissive Band Calibration Stability Using Ground Target |
title_sort |
evaluation of viirs and modis thermal emissive band calibration stability using ground target |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2016 |
url |
https://doi.org/10.3390/rs8020158 |
op_coverage |
agris |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Remote Sensing; Volume 8; Issue 2; Pages: 158 |
op_relation |
https://dx.doi.org/10.3390/rs8020158 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/rs8020158 |
container_title |
Remote Sensing |
container_volume |
8 |
container_issue |
2 |
container_start_page |
158 |
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1774712302323367936 |