Proper noun
Murray-Darling Basin
A large geographical area in the interior of southeastern Australia, spanning most of the states of New South Wales, Victoria, and the Australian Capital Territory, and parts of the states of Queensland (lower third) and South Australia (southeastern corner).
With nine degrees of warming, computer models project that Australia will look like a disaster movie. Habitats for most vertebrates will vanish. Water supply to the Murray-Darling Basin will fall by half, severely curtailing food production. Jeff Goodell
"However, the rainfall has not yet compensated for the effects of the long-term drought, which is still evident in the Murray-Darling Basin." Source: Internet