Study Findings from Columbia University Broaden Understanding of Agriculture (An Information-Theoretic Approach to Reconciling Historical Climate Observations and Impacts on Agriculture): Agriculture - Insurance News | InsuranceNewsNet

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October 25, 2022 Newswires No comments
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Study Findings from Columbia University Broaden Understanding of Agriculture (An Information-Theoretic Approach to Reconciling Historical Climate Observations and Impacts on Agriculture): Agriculture

Insurance Daily News

2022 OCT 25 (NewsRx) -- By a News Reporter-Staff News Editor at Insurance Daily News -- Researchers detail new data in agriculture. According to news originating from New York City, New York, by NewsRx correspondents, research stated, “Decision-makers in climate risk management often face problems of how to reconcile diverse and conflicting sources of information about weather and its impact on human activity, such as when they are determining a quantitative threshold for when to act on satellite data.”

Our news correspondents obtained a quote from the research from Columbia University: “For this class of problems, it is important to quantitatively assess how severe a year was relative to other years, accounting for both the level of uncertainty among weather indicators and those indicators’ relationship to humanitarian consequences. We frame this assessment as the task of constructing a probability distribution for the relative severity of each year, incorporating both observational data - such as satellite measurements - and prior information on human impact - such as farmers’ reports - the latter of which may be incompletely measured or partially ordered. We present a simple, extensible statistical method to fit a probability distribution of relative severity to any ordinal data, using the principle of maximum entropy.”

According to the news reporters, the research concluded: “We demonstrate the utility of the method through application to a weather index insurance project in Malawi, in which the model allows us to quantify the likelihood that satellites would correctly identify damaging drought events as reported by farmers, while accounting for uncertainty both within a set of commonly used satellite indicators and between those indicators and farmers’ ranking of the worst drought years. This approach has immediate utility in the design of weather-index insurance schemes and forecast-based action programs, such as assessing their degree of basis risk or determining the probable needs for post-season food assistance.”

For more information on this research see: An Information-Theoretic Approach to Reconciling Historical Climate Observations and Impacts on Agriculture. Weather, Climate, and Society, 2022. The publisher for Weather, Climate, and Society is American Meteorological Society.

A free version of this journal article is available at https://doi.org/10.1175/wcas-d-22-0019.1.

Our news editors report that more information may be obtained by contacting Max Mauerman, International Research Institute for Climate and Society, Columbia University, New York, NY, United States. Additional authors for this research include Emily Black, Victoria L. Boult, Rahel Diro, Dan Osgood, Helen Greatrex, Thabbie Chillongo.

(Our reports deliver fact-based news of research and discoveries from around the world.)

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