Surface Moisture and Vegetation Cover Analysis for Drought Monitoring in the Southern Kruger National Park Using Sentinel-1, Sentinel-2, and Landsat-8
Abstract
:1. Introduction
2. Study Area
3. Materials and Methods
3.1. Materials
3.1.1. Sentinel-1 Data and Pre-Processing
3.1.2. Optical Earth Observation Data
Sentinel-2 Imagery
Landsat-8 Imagery
3.1.3. In Situ Data Sources
Precipitation Records
In Situ Soil Moisture Measurements
Terrestrial Laser Scanner Data
3.2. Methods
3.2.1. Surface Moisture Retrieval using Sentinel-1 Time Series
3.2.2. Differentiation of Vegetation Cover Classes
4. Results
4.1. Comparing Sentinel-1-Derived Surface Moisture Information to In Situ Soil Moisture Information
4.2. Drought Impacts on Vegetation Greenness
4.3. Drought Impacts to Surface Moisture Dependencies of Vegetation Cover
5. Discussion
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Urban, M.; Berger, C.; Mudau, T.E.; Heckel, K.; Truckenbrodt, J.; Onyango Odipo, V.; Smit, I.P.J.; Schmullius, C. Surface Moisture and Vegetation Cover Analysis for Drought Monitoring in the Southern Kruger National Park Using Sentinel-1, Sentinel-2, and Landsat-8. Remote Sens. 2018, 10, 1482. https://doi.org/10.3390/rs10091482
Urban M, Berger C, Mudau TE, Heckel K, Truckenbrodt J, Onyango Odipo V, Smit IPJ, Schmullius C. Surface Moisture and Vegetation Cover Analysis for Drought Monitoring in the Southern Kruger National Park Using Sentinel-1, Sentinel-2, and Landsat-8. Remote Sensing. 2018; 10(9):1482. https://doi.org/10.3390/rs10091482
Chicago/Turabian StyleUrban, Marcel, Christian Berger, Tami E. Mudau, Kai Heckel, John Truckenbrodt, Victor Onyango Odipo, Izak P. J. Smit, and Christiane Schmullius. 2018. "Surface Moisture and Vegetation Cover Analysis for Drought Monitoring in the Southern Kruger National Park Using Sentinel-1, Sentinel-2, and Landsat-8" Remote Sensing 10, no. 9: 1482. https://doi.org/10.3390/rs10091482