@Article{hess-13-2241-2009,
AUTHOR = {Yamazaki, D. and Oki, T. and Kanae, S.},
TITLE = {Deriving a global river network map and its sub-grid topographic characteristics from a fine-resolution flow direction map},
JOURNAL = {Hydrology and Earth System Sciences},
VOLUME = {13},
YEAR = {2009},
NUMBER = {11},
PAGES = {2241--2251},
URL = {http://www.hydrol-earth-syst-sci.net/13/2241/2009/},
DOI = {10.5194/hess-13-2241-2009}
}