Rainfall estimation in the Sahel: What is the ground truth?

Journal of Applied Meteorology

Volumn 38, Issue 5, 1999, Pages 555-568

  Lebel, Thierry ^a   Amani, Abou ^a  

^a INSTITUT DE RECHERCHE POUR LE DÉVELOPPEMENT   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ERROR ANALYSIS; GROUND-BASED MEASUREMENT; PRECIPITATION ASSESSMENT; RAINFALL; TROPICAL ENVIRONMENT;

AFRICA;

EID: 0032842212     PISSN: 08948763     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0450(1999)038<0555:REITSW>2.0.CO;2     Document Type: Article

References (28)

1. Amani, A., T. Lebel, J. Rousselle, and J. D. Taupin, 1996: Typology of rainfall fields to improve rainfall estimation in the Sahel by the area threshold method. Water Resour. Res., 32, 2473-2487.
2. Bacchi, B., and N. T. Kottegoda, 1995: Identification and calibration of spatial correlation patterns of rainfall. J. Hydrol., 165, 311-348.
3. Bastin, G., B. Lorent, C. Duqué, and M. Gervers, 1984: Optimal estimation of the average areal rainfall and optimal selection of rain gauge locations. Water Resour. Res., 20, 463-470.
4. Bell, T., A. Abdullah, R. L. Martin, and G. R. North, 1990: Sampling errors for satellite-derived tropical rainfall: Monte Carlo study using a space-time stochastic model. J. Geophys. Res., 95, 2195-2206.
5. Cunnane, C., 1978: Unbiased plotting positions - A review. J. Hydrol., 37, 205-222.
6. D'Amato, N., and T. Lebel, 1998: On the characteristics of the rainfall events in the Sahel with a view to the analysis of climatic variability. Int. J. Climatol., 18, 955-974.
7. Desbois, M., 1994: TROPIQUES, a small satellite for the study of the variability of water and energy cycles in the intertropical band. Preprints, European Symp. on Satellite Remote Sensing, Rome, Italy, SPIE, 14-17.
8. Flitcroft, I. D. J. R. Milford, and G. Dugdale, 1989: Relating point to area average rainfall in semiarid West Africa and the implications for rainfall estimations derived from satellite data. J. Appl. Meteor., 28, 252-266.
9. Graves, C. E., J. B. Valdes, S. S. P. Shen, and G. R. North, 1993: Evaluation of sampling errors of precipitation from spaceborne and ground sensors. J. Appl. Meteor., 32, 374-385.
10. Huff, F. A., 1970: Sampling errors in measurement of mean precipitation. J. Appl. Meteor., 9, 35-44.
11. Journel, A. G., and C. I. Huijbregts, 1978: Mining Geostatiscs. Academic Press, 597 pp.
12. Laurent, H., T. Lebel, and J. Polcher, 1997: Rainfall variability, in Soudano-Sahelian Africa studied from rain gauges, satellite and GCM. Proc. 13th Conf. on Hydrology of the 77th AMS Annual Meeting, Long Beach, CA, Amer. Meteor. Soc., 17-20.
13. Lebel, T., and L. Le Barbé, 1997: Rainfall monitoring during HAPEX-Sahel: 2. Point and areal estimation at the event and seasonal scales. J. Hydrol., 188-189, 97-122.
14. _, G. Bastin, C. Obled, and J. D. Creutin, 1987: On the accuracy of areal rainfall estimation: A case study. Water Resour. Res., 23, 2123-2134.
15. _, J. D. Taupin, and M. Gréard, 1995: Rainfall monitoring: The EPSAT-Niger set-up and its use for Hapex-Sahel. Hydrologie et Météorologie de Méso-Echelle dans HAPEX-Sahel: Dispositif de Mesures au Sol et Premiers Résultats, T. Lebel, Ed., ORSTOM, 31-68.
16. Le Roux, X., J. Polcher, G. Dedieu, J.-C. Menaut, and B. Monteny, 1994: Radiation exchanges above West African moist savannas: Seasonal patterns and comparison with a GCM simulation. J. Geophys. Res., 99, 25 857-25 868.
17. Li, Q., R. L. Bras, and D. Veneziano, 1996: Analysis of Darwin rainfall data: Implications on sampling strategy. J. Appl. Meteor., 35, 372-385.
18. Maddox, R. A., 1980: Mesoscale convective complexes. Bull. Amer. Meteor. Soc., 61, 1374-1387.
19. Morrissey, M. L, J. A. Maliekal, J. S. Greene, and J. Wang, 1995: The uncertainty of simple spatial averages using rain gauge networks. Water Resour. Res., 31, 2011-2017.
20. North, G. R, and S. Nakamato, 1989: Formalism for comparing rain estimation designs. J. Atmos. Oceanic Technol., 6, 985-992.
21. Peters-Lidard, C. D, and E. F. Wood, 1994: Estimating storm areal average rainfall intensity in field experiments. Water Resour. Res., 30, 2119-2131.
22. Rodriguez-Iturbe, I., and J. M. Mejia, 1974: The design of rainfall networks in time and space. Water Resour. Res., 10, 713-728.
23. Seed, A., and G. L. Austin, 1990: Variability of summer Florida rainfall and its significance for the estimation of rainfall by gages, radar and satellites. J. Geophys. Res., 95 (D3), 2207-2215.
24. Silverman, B. A, and L. K. Rogers, 1981: On the sampling variance of raingage networks. J. Appl. Meteor., 20, 1468-1478.
25. Simpson, J., R. F. Adler, and G. R. North, 1988: A proposed Tropical Measuring Mission (TRMM) satellite. Bull. Amer. Meteor. Soc., 69, 278-295.
26. Valdes, J. B., E. Ha, C. Yoo, and G. R. North, 1994: Stochastic characterisation of space-time precipitation: Implications for remote sensing. Adv. Water Resour., 17, 47-59.
27. Woodley, W. L., A. R. Olsen, A. Herndon, and V. Wiggert, 1975: Comparison of gauge and radar methods of convective rain measurement. J. Appl. Meteor., 14, 909-928.
28. Zawadzki, I., 1973: Errors and fluctuations of rain gauge estimates of areal rainfall. J. Hydrol., 18, 243-255.