@article{fdi:010048359, title = {{W}ater losses in the inner delta of the {R}iver {N}iger : water balance and flooded area}, author = {{M}ah{\'e}, {G}il and {B}amba, {F}. and {S}oumaguel, {A}. and {O}range, {D}idier and {O}livry, {J}ean-{C}laude}, editor = {}, language = {{ENG}}, abstract = {{T}he inner delta of the {R}iver {N}iger receives runoff from both the {R}iver {N}iger and the {R}iver {B}ani (249 000 km(2)) and is divided into a northern part (15 000 km(2)) and a southern part (58 000 km(2)). {T}he average input and {O}utput discharges are approximately 1490 and 900 m(3) s(-1) (1955/1996), respectively. {T}he annual average water loss is approximately 40% (24-48%). {T}he losses are greater in the northern (10.5 km(3)) than in the {S}outhern delta (8.2 km(3)), but this situation was reversed in 1984. {T}he correlation between the output and input discharges is high for the northern part of the delta, but very low for the southern part, where the chan,,e in flooded area is likely to be limited. {T}he average flooded area, calculated using a method based oil the hydrological balance, is estimated to be about 10 000 km(2) (north) and 14 000 km(2) (south), which is consistent with the estimates provided by the previous authors.}, keywords = {{M}ali ; {S}ahel ; {N}iger {R}iver ; delta ; water balance ; flooding ; water losses ; climatic variability}, booktitle = {}, journal = {{H}ydrological {P}rocesses}, volume = {23}, numero = {22}, pages = {3157--3160}, ISSN = {0885-6087}, year = {2009}, DOI = {10.1002/hyp.7389}, URL = {https://www.documentation.ird.fr/hor/fdi:010048359}, }