What is it about?

The selection of a reliable long-term rainfall dataset is deemed appropriate for hydro-climatic assessments, especially in regions with limited distribution of rain gauge stations like Sudan. The study presents an initial investigation for gridded-based rainfall products and satellite-based products over Sudan using standardised statistical methods.

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Why is it important?

Our findings provide useful information about rainfall in Sudan, suggesting CHIRPS data for monitoring rainfall variability and extreme events which should encourage its use in areas with scarce stations. Findings will help policy-makers and academicians to overcome data scarcity, in terms of spatial coverage and temporal gaps. In addition, this study will provide a comprehensive understanding of spatiotemporal patterns of rainfall over Sudan in recent decades. More so, exploring annual and seasonal trends are anchored in United Nation’s Sustainable Development Goals (SDGs) 13.1 which is aimed at “Strengthening resilience and adaptive capacity against climate-related hazards, and natural disasters in all countries.”

Perspectives

The study highlights the possible relation between the well-known climatic teleconnection AMO and rainfall in different regions over Sudan. This in essence, will enhance seasonal forecast researches, and the formulation of proactive mitigation plans.

Mr Isaac Sarfo
Nanjing University of Information Science and Technology

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This page is a summary of: Multiple gridded‐based precipitation products' performance in Sudan's different topographical features and the influence of the Atlantic Multidecadal Oscillation on rainfall variability in recent decades, International Journal of Climatology, August 2022, Wiley, DOI: 10.1002/joc.7845.
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