Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability
As an essential vegetation structural parameter, leaf area index (LAI) is involved in many critical biochemical processes, such as photosynthesis, respiration, and precipitation interception. The MODerate resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imager Radiometer Suite (VIIR...
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| Format: | Article |
| Language: | English |
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IEEE
2022-01-01
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| Series: | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9918051/ |
| _version_ | 1811338367060672512 |
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| author | Dongxiao Zou Kai Yan Jiabin Pu Si Gao Wenjuan Li Xihan Mu Yuri Knyazikhin Ranga B. Myneni |
| author_facet | Dongxiao Zou Kai Yan Jiabin Pu Si Gao Wenjuan Li Xihan Mu Yuri Knyazikhin Ranga B. Myneni |
| author_sort | Dongxiao Zou |
| collection | DOAJ |
| description | As an essential vegetation structural parameter, leaf area index (LAI) is involved in many critical biochemical processes, such as photosynthesis, respiration, and precipitation interception. The MODerate resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imager Radiometer Suite (VIIRS) LAI sequence products have long supported various global climate, biogeochemistry, and energy flux research. These applications all rely on the accuracy of the product's long time series. However, uncontrolled interferences (e.g., adverse observation conditions and sensor uncertainties) potentially introduce substantial uncertainties to time series in product applications. As one of the most sensitive areas in response to global climate change, the Tibet Plateau (TP) has been treated as a crucial testing ground for thousands of studies on vegetation. To ensure the credibility of the studies arising from MODIS/VIIRS LAI products, the temporal quality uncertainties of data need to be clarified. This article proposed a method to revisit the temporal stability of the MODIS (MOD and MYD) and VIIRS (VNP) LAI in the TP, expecting to provide useful information for better accounting for the uncertainties in this area. Results show that the MODIS and VIIRS LAI were relatively stable in time series and available to be used continuously, among which the temporal quality of the MODIS LAI was the most stable. Moreover, the MODIS and VIIRS LAI products performed similarly in both time-series stability and time-series anomaly distribution, magnitudes and fluctuations. The time-series stability evaluation strategy applied to the MODIS and VIIRS LAI can also be employed to other remote sensing products. |
| first_indexed | 2024-04-13T18:08:47Z |
| format | Article |
| id | doaj.art-e81c07156c654e6cb9724f9e6460ffa1 |
| institution | Directory Open Access Journal |
| issn | 2151-1535 |
| language | English |
| last_indexed | 2024-04-13T18:08:47Z |
| publishDate | 2022-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
| spelling | doaj.art-e81c07156c654e6cb9724f9e6460ffa12022-12-22T02:35:58ZengIEEEIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing2151-15352022-01-01158958897310.1109/JSTARS.2022.32142249918051Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series StabilityDongxiao Zou0https://orcid.org/0000-0002-8705-7004Kai Yan1https://orcid.org/0000-0003-4262-1772Jiabin Pu2https://orcid.org/0000-0002-7329-3583Si Gao3Wenjuan Li4Xihan Mu5https://orcid.org/0000-0003-4812-3045Yuri Knyazikhin6https://orcid.org/0000-0002-3116-5719Ranga B. Myneni7School of Land Science and Techniques, China University of Geosciences, Beijing, ChinaSchool of Land Science and Techniques, China University of Geosciences, Beijing, ChinaSchool of Land Science and Techniques, China University of Geosciences, Beijing, ChinaSchool of Land Science and Techniques, China University of Geosciences, Beijing, ChinaINRAE, Avignon Université, Avignon, FranceState Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing, ChinaDepartment of Earth and Environment, Boston University, Boston, MA, USADepartment of Earth and Environment, Boston University, Boston, MA, USAAs an essential vegetation structural parameter, leaf area index (LAI) is involved in many critical biochemical processes, such as photosynthesis, respiration, and precipitation interception. The MODerate resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imager Radiometer Suite (VIIRS) LAI sequence products have long supported various global climate, biogeochemistry, and energy flux research. These applications all rely on the accuracy of the product's long time series. However, uncontrolled interferences (e.g., adverse observation conditions and sensor uncertainties) potentially introduce substantial uncertainties to time series in product applications. As one of the most sensitive areas in response to global climate change, the Tibet Plateau (TP) has been treated as a crucial testing ground for thousands of studies on vegetation. To ensure the credibility of the studies arising from MODIS/VIIRS LAI products, the temporal quality uncertainties of data need to be clarified. This article proposed a method to revisit the temporal stability of the MODIS (MOD and MYD) and VIIRS (VNP) LAI in the TP, expecting to provide useful information for better accounting for the uncertainties in this area. Results show that the MODIS and VIIRS LAI were relatively stable in time series and available to be used continuously, among which the temporal quality of the MODIS LAI was the most stable. Moreover, the MODIS and VIIRS LAI products performed similarly in both time-series stability and time-series anomaly distribution, magnitudes and fluctuations. The time-series stability evaluation strategy applied to the MODIS and VIIRS LAI can also be employed to other remote sensing products.https://ieeexplore.ieee.org/document/9918051/Leaf area index (LAI)MODerate resolution Imaging Spectroradiometer (MODIS)temporal consistencyTibet Plateau (TP)time-series anomaly (TSA)time-series stability (TSS) |
| spellingShingle | Dongxiao Zou Kai Yan Jiabin Pu Si Gao Wenjuan Li Xihan Mu Yuri Knyazikhin Ranga B. Myneni Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Leaf area index (LAI) MODerate resolution Imaging Spectroradiometer (MODIS) temporal consistency Tibet Plateau (TP) time-series anomaly (TSA) time-series stability (TSS) |
| title | Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability |
| title_full | Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability |
| title_fullStr | Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability |
| title_full_unstemmed | Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability |
| title_short | Revisit the Performance of MODIS and VIIRS Leaf Area Index Products from the Perspective of Time-Series Stability |
| title_sort | revisit the performance of modis and viirs leaf area index products from the perspective of time series stability |
| topic | Leaf area index (LAI) MODerate resolution Imaging Spectroradiometer (MODIS) temporal consistency Tibet Plateau (TP) time-series anomaly (TSA) time-series stability (TSS) |
| url | https://ieeexplore.ieee.org/document/9918051/ |
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