@article{fdi:010048432, title = {{H}ydrological regime and water budget of the {R}ed {R}iver {D}elta ({N}orthern {V}ietnam)}, author = {{L}uu {T}hi {N}guyet {M}inh, and {G}arnier, {J}. and {B}illen, {G}. and {O}range, {D}idier and {N}{\'e}mery, {J}. and {L}e {T}hi {P}huong {Q}uynh, and {T}ran {H}ong {T}hai, and {L}e {L}an {A}nh,}, editor = {}, language = {{ENG}}, abstract = {{T}he {R}ed {R}iver {D}elta ({RRD}) in {N}orthern {V}ietnam represents a complex hydrological network of tributaries and distributaries that receive a large and seasonally fluctuating flow of water from the upper {R}ed {R}iver basin and is also subjected to tidal influence. {I}n this study, we attempted to assemble a database of discharge estimates within the {RRD} for 1996-2006 to elucidate the water circulation patterns in the system, enable quantification of major water fluxes and assess the water resources availability. {R}egular discharge measurements in the {RRD} are available for three upstream stations, while the other hydrological stations provide only water level records; however, the {MIKE} 11 model allowed overall calibration curves to be established, which enabled the conversion of available daily mean water level data into discharge values. {F}our gauging surveys were conducted under flood and dry season in 2007 and 2008 to experimentally validate these calibration curves. {A}fter the database was generated, a water balance was established for two years with contrasting climatic and hydrological characteristics. {D}uring the wet year (1996), the main branch of the {R}ed {R}iver represented the largest input of freshwater to the sea (approximately 60%). {C}onversely, during the dry year (2006), the inputs were more evenly distributed among the three main fluvial branches. {T}he total volume annually delivered to the sea from the {RRD} was approximately 140 and 100 km(3) for 1996 and 2006, respectively. {W}hen the five sub-basins within the {RRD} were evaluated, it was shown that the water resources were far from evenly distributed within the area. {I}n particular, the {B}ui sub-basin, which has the highest population density and the lowest water resources per unit area, is experiencing a critical situation in terms of pressure on water resources.}, keywords = {{R}ed {R}iver {D}elta ; {T}idal rivers ; {M}ike 11 modelling ; {W}ater budget}, booktitle = {}, journal = {{J}ournal of {A}sian {E}arth {S}ciences}, volume = {37}, numero = {3}, pages = {219--228}, ISSN = {1367-9120}, year = {2010}, DOI = {10.1016/j.jseaes.2009.08.004}, URL = {https://www.documentation.ird.fr/hor/fdi:010048432}, }