Assertion: drainage basin's part | /r/AtLocation | this sub-basin
Facets:
Source sentences:
text: The Chobe tributary, however, has a discharge of only 1.3 km3/year when leaving Angola, so if a large part of the irrigation potential area of 700000 ha in Angola or if part of the irrigation potential of 159000 ha in the upper Zambezi basin in Zambia is located in this sub-basin, problems may arise for Namibia and Botswana, even though irrigation potential there is very limited compared to the other countries.