A chart accompanying the Nov. 29 article shows a documented trend of insufficient rainfall stretching back to the beginning of 1991.
The general trend is for run-off to flow inland, but there is insufficient rainfall to produce any marked drainage pattern.
In other areas, insufficient rainfall resulted in exceptionally poor harvests and dry pastures affecting both farmers and livestock breeders.
There is insufficient rainfall in the Timbuktu region for purely rain-fed agriculture and crops are therefore irrigated using water from the River Niger.
Because of insufficient rainfall, I believe.
This elevated region has a natural drainage pattern that rarely functions because of insufficient rainfall.
Wind erosion generally occurs in areas with little or no vegetation, often in areas where there is insufficient rainfall to support vegetation.
A combination of insufficient rainfall, excellent drainage, and high temperatures lead to an arid environment in which a freshwater Ghyben-Herzberg lens cannot form, and Coconut Palm is unable to grow.
Despite insufficient rainfall in some areas, the Togolese Government has achieved its goal of self-sufficiency in food crops - maize, cassava, yams, sorghum, pearl millet, and groundnut.
The driest places that trees can grow; drier desert areas having insufficient rainfall to sustain trees.