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README.md
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# VIIRS Nighttime Light
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| Source | Modality Type | Number of Patches | Patch Size | Total Pixels |
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|:-------|:-------------:|:-----------------:|:----------:|:------------:|
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|VIIRS Nighttime Light | Nighttime Light |0,0| 1068 x 1068 (10 m) | > Billion |
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# Content
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| Variable | Description | Units |
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| `cf_cvg` | Count of cloud-free coverage | No. |
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| `cvg` | Count of total coverage | No. |
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# Spatial Coverage
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Write about that is similar to S-2 but the latitude is different
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This is a global monotemporal dataset. Nearly every piece of Earth captured by Sentinel-2 is contained at least once in this dataset (and only once, excluding some marginal overlaps).
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Many thanks to [**Earth Observation Group (EOG)**](https://payneinstitute.mines.edu/eog/), part of the Payne Institute for Public Policy at Colorado School of Mines, especially **Christopher D. Elvidge**, for their support and consultation.
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# VIIRS Nighttime Light
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Radiance composite images using nighttime data from the Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB)
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| Source | Modality Type | Number of Patches | Patch Size | Total Pixels |
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|:-------|:-------------:|:-----------------:|:----------:|:------------:|
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|VIIRS Nighttime Light | Nighttime Light |0,0| 1068 x 1068 (10 m) | > Billion |
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# Content
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| Variable | Description | Units |
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| `cf_cvg` | Count of cloud-free coverage | No. |
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| `cvg` | Count of total coverage | No. |
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2015-2021 Annual VNL V2.1
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2022-2024 Annual VNL V2.2
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# Spatial Coverage
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Write about that is similar to S-2 but the latitude is different (180°W, 75°N, 180°E, 65°S)
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pan the globe from 75N latitude to 65S
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This is a global monotemporal dataset. Nearly every piece of Earth captured by Sentinel-2 is contained at least once in this dataset (and only once, excluding some marginal overlaps).
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Many thanks to [**Earth Observation Group (EOG)**](https://payneinstitute.mines.edu/eog/), part of the Payne Institute for Public Policy at Colorado School of Mines, especially **Christopher D. Elvidge**, for their support and consultation.
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```
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- C.D. Elvidge, M. Zhizhin, T. Ghosh, F-C. Hsu, "Annual time series of global VIIRS nighttime lights derived from monthly averages: 2012 to 2019", Remote Sensing, 2021, 13(5), 922. https://doi.org/10.3390/rs13050922.
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- C.D. Elvidge, K. Baugh, M. Zhizhin, F.-C. Hsu, and T. Ghosh, “VIIRS night-time lights,” International Journal of Remote Sensing, vol. 38, pp. 5860–5879, 2017. https://doi.org/10.1080/01431161.2017.1342050.
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- C.D. Elvidge, K.E. Baugh, M. Zhizhin, and F.-C. Hsu, “Why VIIRS data are superior to DMSP for mapping nighttime lights,” Asia-Pacific Advanced Network 35, vol. 35, p. 62, 2013. http://dx.doi.org/10.7125/APAN.35.7.
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```
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