Date of Award

1-1-2017

Language

English

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

College/School/Department

Department of Atmospheric and Environmental Sciences

Content Description

1 online resource (iii, viii, 118 pages)

Dissertation/Thesis Chair

Paul E Roundy

Committee Members

Lance F Bosart, Ryan Torn, Aiguo Dai

Keywords

Agricultural Drought, Forecast Skill, S2S, Droughts, Drought forecasting, Rossby waves, Convection (Meteorology)

Subject Categories

Atmospheric Sciences

Abstract

Agricultural drought in the U.S. Corn Belt region (CBR) has tremendous global socioeconomic implications. Unfortunately, the weather and climate factors that contribute to transition events toward or away from such droughts, and how well those factors are predicted, are poorly understood. This dissertation focuses on the atmospheric circulation signals associated with agricultural drought transitions periods in the CBR that evolve over 20 and 60 days, and how well those circulation signals are predicted on seasonal to sub-seasonal time scales.

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