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Simulating Temperature in a Soil Incubation Experiment
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Climate science and famine early warning.

James Verdin1, Chris Funk, Gabriel Senay

  • 1US Geological Survey, National Center for Earth Resources Observation and Science, Sioux Falls, SD 57198, USA. verdin@usgs.gov

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Climate data, including satellite rainfall estimates, is crucial for assessing food security in sub-Saharan Africa. Enhancing African capacity for climate monitoring and forecasting is vital for managing climate change impacts on agriculture.

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Area of Science:

  • Environmental Science
  • Agricultural Science
  • Climate Science

Background:

  • Food security in sub-Saharan Africa is complex, influenced by socio-economic and environmental factors.
  • Rainfed agriculture and pastoralism dominate, making climate monitoring essential for food security analysis.
  • Global warming is projected to negatively impact subsistence agriculture, increasing climate variability and extreme events.

Purpose of the Study:

  • To highlight the importance of climate data and monitoring for food security assessment in sub-Saharan Africa.
  • To emphasize the need for enhanced African capacity in rainfall observation, forecasting, and data management.
  • To underscore the role of climate information in developing coping strategies for climate change impacts.

Main Methods:

  • Utilized satellite rainfall estimates (RFE) to supplement station observations and fill data gaps.
  • Employed RFE for drought index mapping and crop water balance modeling.
  • Incorporated gridded rainfall time-series for historical context and forecast interpretation, and for flood hazard characterization.

Main Results:

  • Satellite rainfall estimates provide critical data for drought and flood assessments.
  • Historical rainfall data and seasonal forecasts are key for quantitative interpretation.
  • Specific regions, like Ethiopia, face critical food security challenges exacerbated by observed dryness and climate trends.

Conclusions:

  • Integrated climate monitoring and forecasting are indispensable for effective food security assessment in sub-Saharan Africa.
  • Strengthening African capabilities in climate data analysis and modeling is urgently required.
  • Addressing climate change and variability necessitates robust technical capacities for innovative adaptation strategies.