The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Uncertainties in daily rainfall over Africa: assessment of gridded observation products and evaluation of a regional climate model simulation
Abstract
We intercompare three gridded observed daily rainfall datasets over Africa (FEWS (Famine Early Warning System), GPCP (Global Precipitation Climatology Project) and TRMM (Tropical Rainfall Measuring Mission)) in order to assess uncertainties in observation products towards the evaluation of the performance of a Regional Climate Model (RegCM3) in simulating daily precipitation characteristics over a domain encompassing the whole African continent. We find that different observation products exhibit substantial systematic differences in mean rainfall, but especially in higher order daily precipitation statistics, such as frequency of wet days, precipitation intensity and extremes as well as maximum length of wet and dry spells. For example, FEWS shows mostly higher frequency and lower intensity events than TRMM and GPCP. Thus, the different datasets provide quite different representations of daily precipitation behavior. As a result, although RegCM3 captures pretty well the monsoon rainband evolution and exhibits a representation of daily precipitation statistics within the range of the observations, it performs differently with respect to the various products. For instance, it simulates more intense but less frequent events over East and Southern Africa than in FEWS and vice versa compared to TRMM. We thus highlight the uncertainty in observations as a key factor preventing a rigorous and unambiguous evaluation of climate models over Africa. Improving the quality and consistency of observation products is thus paramount for a better understanding of the response of African climate to global warming. Copyright © 2012 Royal Meteorological Society
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Cited by
Beck, H. E., Vergopolan, N., Pan, M., Levizzani, V., van Dijk, A. I. J. M., Weedon, G. P., Brocca, L., Pappenberger, F., Huffman, G. J., & Wood, E. F. (2017) · Hydrology and Earth System Sciences · doi:10.5194/hess-21-6201-2017 · Cited by 891
A Drought Monitoring and Forecasting System for Sub-Sahara African Water Resources and Food Security
Sheffield, J., Wood, E. F., Chaney, N., Guan, K., Sadri, S., Yuan, X., Olang, L., Amani, A., Ali, A., Demuth, S., et al. (2014) · Bulletin of the American Meteorological Society · doi:10.1175/bams-d-12-00124.1 · Cited by 440
A new, long-term daily satellite-based rainfall dataset for operational monitoring in Africa
Maidment, R. I., Grimes, D., Black, E., Tarnavsky, E., Young, M., Greatrex, H., Allan, R. P., Stein, T., Nkonde, E., Senkunda, S., et al. (2017) · Scientific Data · doi:10.1038/sdata.2017.63 · Cited by 304
Towards hybrid modeling of the global hydrological cycle
Kraft, B., Jung, M., Körner, M., Koirala, S., & Reichstein, M. (2022) · Hydrology and Earth System Sciences · doi:10.5194/hess-26-1579-2022 · Cited by 173
Bartzke, G. S., Ogutu, J. O., Mukhopadhyay, S., Mtui, D., Dublin, H. T., & Piepho, H.-P. (2018) · PLOS ONE · doi:10.1371/journal.pone.0202814 · Cited by 112
Metadata
- Authors
- Sylla, M. B., Giorgi, F., Coppola, E., & Mariotti, L.
- Venue
- International Journal of Climatology
- Publisher
- Wiley
- Published
- 2012-07-13
- Volume
- 33
- Issue
- 7
- Pages
- 1805-1817
- ISSN
- 0899-8418 (ISSN-L)
- 1097-0088
- OpenAlex
- W1563227775
- Cited by
- 268
- References
- 41
- FWCI
- 11.76
- Type
- journal article
- Language
- en
- Open access
- closed
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