@Article{hess-10-101-2006,
AUTHOR = {S{\o}rensen, R. and Zinko, U. and Seibert, J.},
TITLE = {On the calculation of the topographic wetness index: evaluation of different methods based on field observations},
JOURNAL = {Hydrology and Earth System Sciences},
VOLUME = {10},
YEAR = {2006},
NUMBER = {1},
PAGES = {101--112},
URL = {http://www.hydrol-earth-syst-sci.net/10/101/2006/},
DOI = {10.5194/hess-10-101-2006}
}