SEMINAR AUGUST EDITED 02

Value of the Information & Strength of the Argument

The seminar provides valuable insights into the specific impacts of the 2023 climate extremes on West Africa, a region often understudied compared to East and Southern Africa. The argumentation is structured around a clear research question, methodology, results, and conclusions. The presenter effectively explains the El Niño phenomenon and its regional variations, and uses data visualizations to support the findings. The study’s approach of combining multiple climate variables and agricultural data strengthens the analysis. However, the presentation is somewhat informal and lacks detailed statistical results, which are presumably in the published paper. The discussion about the study’s limitations and the role of El Niño is nuanced, acknowledging that other factors contribute to the observed impacts.

Scientific Rigor, Source Quality, Title Accuracy

The study is based on reputable data sources, including Copernicus Climate Data Store, global SPI database, NOAA NDVI, and FAO agricultural data. The methodology is clearly described, including anomaly calculations and spatial-temporal analysis. The study was published in Scientific Reports, a peer-reviewed journal, which adds to its credibility. The title of the video is generic and does not accurately reflect the specific content, which could be misleading for viewers. The presentation itself is a seminar, not a formal scientific paper, so the level of detail is appropriate for the format. The speaker acknowledges the contributions of collaborating institutions, which is good practice.

The title is generic and does not reflect the specific content of the seminar, which focuses on the 2023 drought in West Africa and food security.

7/10

The seminar presents a peer-reviewed study published in Scientific Reports, with clear methodology and data sources. However, the presentation is informal, with some transcription errors and a lack of detailed statistical results in the spoken content.

Markers derived by PSI from the transcript: the creator did not define chapters.

• 00:00Introduction and overview of the seminar structure.
• 01:00Vincent Congo begins presentation on the 2023 drought in West Africa.
• 03:00Explanation of El Niño and La Niña phenomena and their regional impacts.
• 07:00Discussion of research questions and the agricultural calendar in West Africa.
• 10:00Description of data sources and methodology, including anomaly analysis.
• 15:00Presentation of results: unusual heat, low rainfall, and reduced soil moisture during planting season.
• 20:00Analysis of crop yield declines for maize, wheat, and soybeans.
• 25:00Discussion of the role of El Niño and other climate drivers.
• 30:00Conclusions and recommendations for climate adaptation and early warning systems.
• 35:00Transition to discussion about young researchers' experiences at CEMA.

• The 2023 drought in West Africa and associated vulnerability to food insecurity — The study presented in the seminar, published in Scientific Reports.
• Copernicus Climate Data Store — Source of climate data (precipitation, temperature, soil moisture, etc.) used in the study.
• Global SPI database — Source of the Standardized Precipitation Evapotranspiration Index (SPEI) used as a drought indicator.
• NOAA NDVI — Source of the Normalized Difference Vegetation Index (NDVI) data.
• Food and Agriculture Organization (FAO) — Source of agricultural data (crop yield and area) used in the study.

• IPCC Sixth Assessment Report — Provides broader context on climate change impacts and extreme events.
• World Food Programme: Climate and Food Security — Discusses the link between climate shocks and food insecurity.