Assessing the water balance in the Sahel: Impact of small scale rainfall variability on runoff. Part 1: Rainfall variability analysis

Journal of Hydrology

Volumn 331, Issue 1-2, 2006, Pages 336-348

  Balme, Maud ^a   Vischel, Théo ^a   Lebel, Thierry ^a   Peugeot, Christophe ^b   Galle, Sylvie ^a  

^a LABORATOIRE DE GLACIOLOGIE ET GÉOPHYSIQUE DE L ENVIRONNEMENT   (France)

^b UNIVERSITÉ DE MONTPELLIER   (France)

Author keywords

Areal rainfall; Intermittency; Rainfall estimation error; Rainfall intensities; Rainfall variability; Sahel

Indexed keywords

PARAMETER ESTIMATION; RAIN; RUNOFF; STATISTICAL METHODS;

AREAL RAINFALL; RAINFALL ESTIMATION ERROR; RAINFALL INTENSITIES; RAINFALL VARIABILITY;

HYDROLOGY;

HYDROLOGY; PARAMETER ESTIMATION; RAIN; RUNOFF; STATISTICAL METHODS;

ANALYTICAL METHOD; ASSESSMENT METHOD; CONVECTIVE SYSTEM; MESOSCALE METEOROLOGY; PRECIPITATION INTENSITY; RAINGAUGE; RUNOFF; SAMPLING; SPATIAL VARIATION; WATER BUDGET;

AFRICA; NIAMEY [NIGER]; NIGER [WEST AFRICA]; SAHEL [SUB-SAHARAN AFRICA]; SUB-SAHARAN AFRICA; WEST AFRICA;

EID: 33750429968     PISSN: 00221694     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhydrol.2006.05.020     Document Type: Article

References (17)

1. Ali A., Lebel T., and Amani A. Invariance in the spatial structure of Sahelian rain fields at climatological scales. Journal of Hydrometeorology 4 6 (2003) 996-1011
2. D'Amato N., and Lebel T. On the characteristics of the rainfall events in the Sahel with a view to the analysis of climatic variability. International Journal of Climatology 18 (1998) 955-974
3. Cappelaere B., Vieux B., Peugeot C., Maia-Bresson A., and Seguis L. Hydrologic process simulation of a semiarid, endoreic catchment in Sahelian West Niger. 2. Model calibration and uncertainty characterization. Journal of Hydrology 279 (2003) 244-261
4. Eltahir E.A.B., and Gong C. Dynamics of wet and dry years in West Africa. Journal of Climate 9 (1996) 1030-1042
5. Folland C.K., Palmer T.N., and Parker D.E. Sahel rainfall and worldwide sea temperature 1901-1985. Nature 320 (1986) 602-607
6. Fontaine B., Philippon N., and Camberlin P. An improvement of June-September rainfall forecasting in the Sahel based upon region April-May moist static energy content (1968-1997). Geophysical Research Letters 26 14 (1999) 2041-2044
7. Guillot G., and Lebel T. Disaggregation of Sahelian mesoscale convective system rain fields: further developments and validation. Journal of Geophysical Research 104 D24 (1999) 31533-31551
8. Hastenrath S. Decadal scale changes of the circulation in the tropical Atlantic sector associated with Sahel drought. International Journal of Climatology 20 (1990) 459-472
9. Janicot S., Moron V., and Fontaine B. Sahel droughts and ENSO dynamics. Geophysical Research Letters 23 5 (1996) 515-518
10. Lebel T., and Amani A. Rainfall estimation in the Sahel: what is the ground truth?. Journal of Applied Meteorology 38 (1999) 555-568
11. Lebel T., Diedhiou A., and Laurent H. Seasonal cycle and interannual variability of the Sahelian rainfall at hydrological scales. Journal of Geophysical Research 108 D8 (2003) 1401-1411 8389
12. Mathon V., Laurent H., and Lebel T. Mesoscale convective system rainfall in the Sahel, 2002. Journal of Applied Meteorology 41 (2002) 1081-1092
13. Nicholson S.E. Climate and environmental change in Africa during the last two centuries. Climate Research 14 (2001) 123-144
14. Peugeot C., Esteves M., Galle S., Rajot J.L., and Vandervaere J.P. Runoff generation processes: results and analysis of field data collected at the East Central Supersite of the HAPEX-Sahel experiment. Journal of Hydrology (1997) 179-202
15. Peugeot C., Cappelaere B., Vieux B., Seguis L., and Maia-Bresson A. Hydrologic process simulation of a semiarid, endoreic catchment in Sahelian West Niger. 1. Model-aided data analysis and screening. Journal of Hydrology 279 (2003) 224-243
16. Vischel, T., Lebel, T., accepted. Assessing the water balance in the Sahel: impact of small scale rainfall variability on runoff. Part 2: Idealized modeling of runoff sensitivity, Journal of Hydrology.
17. Ward M.N. Diagnosis and short-lead time prediction of summer rainfall in tropical North Africa at interannual and multi-decadal time scales. Journal of Climate 11 (1998) 3167-3191