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has been cited by the following article:

• TITLE: Climate Characteristics over Southern Highlands Tanzania

  AUTHORS: Yassin Mbululo, Fatuma Nyihirani

  KEYWORDS: Tanzania; Climate Characteristics; Dominant Periodicity Mode

  JOURNAL NAME: Atmospheric and Climate Sciences, Vol.2 No.4, November 2, 2012

  ABSTRACT: This study was conducted to examine the climate characteristic of southern highland Tanzania (Latitude 6°S-12°S and Longitude 29°E-38°E). The study findings reveal that rainfall over the region is linked with SST over the Indian Ocean, where warmer (cooler) western Indian Ocean is accompanied by high (low) amount of rainfall over Tanzania. During wet (dry) years, weaker (stronger) equatorial westerlies and anticyclone (cyclonic) anomaly over the southern tropics act to reduce (enhance) the export of equatorial moisture away from East Africa. The wettest (driest) season was found to be 1978/79 (1999/00) which can be classified as the severely wet (moderate drought). Two different modes of rainfall have been identified at time scale of 1.5 and 6 years which have been associated with the quasi biennial oscillation (QBO) and El Nino Southern Oscillation (ENSO), respectively.