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Satellite forecasting of crop harvest can trigger a cross-hemispheric production response and improve global food security

Economics

Satellite forecasting of crop harvest can trigger a cross-hemispheric production response and improve global food security

T. Tanaka, L. Sun, et al.

This groundbreaking research by Tetsuji Tanaka, Laixiang Sun, Inbal Becker-Reshef, Xiao-Peng Song, and Estefania Puricelli unveils how satellite-based crop harvest forecasting can enhance global food security by stabilizing supply in response to climate change and geopolitical conflicts. Their innovative approach showcases a remarkable reduction in price fluctuations for essential crops like wheat and soybeans across hemispheres.

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Playback language: English
Abstract
Global food security is threatened by climate change and conflicts. This study demonstrates that timely satellite-based crop harvest forecasting in major exporting regions can trigger production responses in the opposite hemisphere, offsetting short-term fluctuations and stabilizing global food supply. Forecasting reduced price fluctuations by 1.1 to 12.5 percentage points for wheat in Russia and Ukraine, and even reversed price shocks for soybeans in Brazil. This cross-hemispheric response, leveraging seasonal lags in crop calendars, improves global food security.
Publisher
Communications Earth & Environment
Published On
Sep 21, 2023
Authors
Tetsuji Tanaka, Laixiang Sun, Inbal Becker-Reshef, Xiao-Peng Song, Estefania Puricelli
Tags
global food security
climate change
crop forecasting
price fluctuations
satellite technology
sustainable agriculture

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