The phenomenon of bed degradation can be due to a multiplicity of causes, but ultimately reflects a change in either the sediment input or sediment transport capacity of a system. Causes for the accelerated rate of degradation of the lower Missouri...

Seismic events may drastically damage buried pipelines affecting economy and public safety. Traditionally, buried pipelines are bedded and backfilled with compacted soils, which is labor intensive, time consuming, and ...

. . The regional groundwater study showed that the groundwater depth in the Zinder region decreased during both dry and wet seasons by 30% and 5%, respectively, while in the Maradi region, the depth of groundwater increased by 2% during the dry season and 3% during...