Characterization of the Relationship Between West African Jet Streams and El Niño Southern Oscillation (ENSO): Implications on Lake Chad Level Variability https://search-proquest-com.proxyhu.wrlc.org/docview/1675378613/871A867CF9BF434BPQ/1?accountid=11490Churchill Obinna OkonkwoCameroonChadNigerNigeriaAtmospheric SciencesDissertation2015