Comment
Author: Admin | 2025-04-28
Using earth observation satellite data in Jharsuguda coal mining region, Odisha, India. Environ. Dev. Sustain. 2020, 23, 4484–4499. [Google Scholar] [CrossRef]Yang, D.; Chen, J.; Zhou, Y.; Chen, X.; Chen, X.; Cao, X. Mapping plastic greenhouse with medium spatial resolution satellite data: Development of a new spectral index. ISPRS-J. Photogramm. Remote Sens. 2017, 128, 47–60. [Google Scholar] [CrossRef]Survey, U.S.G. Available online: https://earthexplorer.usgs.gov/ (accessed on 20 March 2024).Planet Labs. Planet Application Program Interface: In Space for Life on Earth. Available online: https://www.planet.com (accessed on 19 March 2024).Kaufman, Y.J.; Remer, L.A. Detection of Forests Using Mid-IR Reflectance: An Application for Aerosol Studies. IEEE Trans. Geosci. Remote Sens. 1994, 32, 672–683. [Google Scholar] [CrossRef]Chen, J.; Yuan Zhang, M.; Wang, L.; Shimazaki, H.; Tamura, M. A new index for mapping lichen-dominated biological soil crusts in desert areas. Remote Sens. Environ. 2005, 96, 165–175. [Google Scholar] [CrossRef]Adams, J.B.; Smith, M.O.; Johnson, P.E. Spectral mixture modeling: A new analysis of rock and soil types at the Viking Lander 1 Site. J. Geophys. Res. Solid Earth 1986, 91, 8098–8112. [Google Scholar] [CrossRef] Figure 1. The study area and BC fraction map in different coalfields (The legends to the sub-figures on the right indicate the range of the BC fraction). Figure 1. The study area and BC fraction map in different coalfields (The legends to the sub-figures on the right indicate the range of the BC fraction). Figure 2. Methodology flowchart in this study. Figure 2. Methodology flowchart in this study. Figure 3. Spectral curves of different coal types. Figure 3. Spectral curves of different coal types. Figure 4. (a) Spectral curves of different land cover types. (b) Correlation between different land cover types. Figure 4. (a) Spectral curves of different land cover types. (b) Correlation between different land cover types. Figure 5. The reflectance of sampling BC pixels against BC fraction: (a) Blue, (b) Green, (c) Red, (d) NIR, (e) SWIR1, (f) SWIR2, (g) NIR–Red, (h) NIR + SWIR1, and (i) SWIR2–SWIR1. The p-value is for the significance test of the linear regression. Figure 5. The reflectance of sampling BC pixels against BC fraction: (a) Blue, (b) Green, (c) Red, (d) NIR, (e) SWIR1, (f) SWIR2, (g) NIR–Red, (h) NIR + SWIR1, and (i) SWIR2–SWIR1. The p-value is for the significance test of the linear regression. Figure 6. Separability test with different Landsat OLI band or band combinations. Figure 6. Separability test with different Landsat OLI band or
Add Comment