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Iowa State University

Plant Sciences

Graduate Theses and Dissertations

APSIM

2017

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How Does Inclusion Of Weather Forecasting Impact In-Season Crop Model Predictions?, Kaitlin Togliatti Jan 2017

How Does Inclusion Of Weather Forecasting Impact In-Season Crop Model Predictions?, Kaitlin Togliatti

Graduate Theses and Dissertations

Accurately forecasting crop yield in advance of harvest could greatly benefit decision makers. However, few evaluations have been conducted to determine the effectiveness of including weather forecasts, as opposed to using historical/climatology data, into crop models. We tested a combination of short-term weather forecasts from the Weather Research and Forecasting Model (WRF) to predict in season weather variables, such as, maximum and minimum temperature, precipitation, and radiation at four different forecast lengths (14 days, 7 days, 3 days, and 0 days). This forecasted weather data along with the current and historic (previous 35 years) data were combined to drive ...