@article{fdi:010086490, title = {{W}ater resources in {A}frica : the role of earth observation data and hydrodynamic modeling to derive river discharge}, author = {{T}arpanelli, {A}. and {P}aris, {A}. and {S}ichangi, {A}. {W}. and {O}'{L}oughlin, {F}. and {P}apa, {F}abrice}, editor = {}, language = {{ENG}}, abstract = {{F}or more than a century, river discharge has been measured indirectly through observations of water level and flow velocity, but recently the number of gauging stations worldwide has decreased and the situation is particularly serious in {A}frican countries that suffer more than others from discontinuous and incomplete monitoring. {A}s one of the most vulnerable regions in the world to extreme weather events and global warming, {A}frican countries need adequate and reliable monitoring. {D}ecades of available {E}arth {O}bservations data represent a tool complementary to the hydro-monitoring network and, in recent decades, they have demonstrated their potential, especially for data-poor regions. {I}n this paper, a review of methods for hydrological and hydraulic modeling and for estimating river discharge by the use of satellite data, specifically radar altimetry and optical sensors, is provided, with particular focus on their role in the climate changes monitoring. {M}ore emphasis is placed on their relevance on {A}frican basins highlighting limits and advantages.}, keywords = {{R}emote sensing ; {R}adar altimetry ; {D}ischarge ; {H}ydrological models ; {A}frican basins ; {H}ydraulic models ; {AFRIQUE}}, booktitle = {}, journal = {{S}urveys in {G}eophysics}, volume = {[{E}arly access]}, numero = {}, pages = {[26 p.]}, ISSN = {0169-3298}, year = {2022}, DOI = {10.1007/s10712-022-09744-x}, URL = {https://www.documentation.ird.fr/hor/fdi:010086490}, }