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Validation of high‐resolution satellite rainfall products over complex terrain
Abstract
High‐resolution satellite rainfall products, at daily accumulation and 0.25° spatial resolution, are evaluated using station networks located over two different parts of Africa. The first site is located over Ethiopia with a very complex terrain. The second site, located over Zimbabwe, has a less rugged topography. The evaluated satellite rainfall products are the NOAA‐CPC African rainfall estimation algorithm (RFE), TRMM‐3B42, the CPC morphing technique (CMORPH), PERSIANN, and the Naval Research Laboratory's blended product. These products perform reasonably well over both regions in detecting the occurrence of rainfall. However, performances are poor in estimating the amount of rainfall in each pixel. The correlation coefficients are low and random errors high. The performance was better over Zimbabwe as compared with Ethiopia. Comparing the different products, CMORPH and TRMM‐3B42 showed a better performance over Ethiopia, while RFE, CMORPH, and TRMM‐3B42 preformed relatively better over Zimbabwe.
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Cited by
Evaluation of satellite-retrieved extreme precipitation rates across the central United States
AghaKouchak, A., Behrangi, A., Sorooshian, S., Hsu, K., & Amitai, E. (2011) · Journal of Geophysical Research · doi:10.1029/2010jd014741 · Cited by 323
Salas, J. D., Govindaraju, R. S., Anderson, M., Arabi, M., Francés, F., Suarez, W., Lavado-Casimiro, W. S., & Green, T. R. (2014) · Modern Water Resources Engineering · doi:10.1007/978-1-62703-595-8_1 · Cited by 290
Validation of IMERG Precipitation in Africa
Dezfuli, A. K., Ichoku, C. M., Huffman, G. J., Mohr, K. I., Selker, J. S., van de Giesen, N., Hochreutener, R., & Annor, F. O. (2017) · Journal of Hydrometeorology · doi:10.1175/jhm-d-17-0139.1 · Cited by 162
Metadata
- Authors
- Dinku, T., Chidzambwa, S., Ceccato, P., Connor, S. J., & Ropelewski, C. F.
- Venue
- International Journal of Remote Sensing
- Publisher
- Informa UK Limited
- Published
- 2008-06-14
- Volume
- 29
- Issue
- 14
- Pages
- 4097-4110
- ISSN
- 0143-1161 (ISSN-L)
- 1366-5901
- OpenAlex
- W2060608677
- Cited by
- 402
- References
- 0
- FWCI
- 5.71
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dinku, T., Chidzambwa, S., Ceccato, P., Connor, S. J., & Ropelewski, C. F. (2008). Validation of high‐resolution satellite rainfall products over complex terrain. International Journal of Remote Sensing. https://doi.org/10.1080/01431160701772526
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