{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T06:25:44Z","timestamp":1776407144952,"version":"3.51.2"},"reference-count":78,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2021,12,25]],"date-time":"2021-12-25T00:00:00Z","timestamp":1640390400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>This study reveals rainfall variability and trends in the African continent using TAMSAT data from 1983 to 2020. In the study, a Mann\u2013Kendall (MK) test and Sen\u2019s slope estimator were used to analyze rainfall trends and their magnitude, respectively, under monthly, seasonal, and annual timeframes as an indication of climate change using different natural and geographical contexts (i.e., sub-regions, climate zones, major river basins, and countries). The study finds that the highest annual rainfall trends were recorded in Rwanda (11.97 mm\/year), the Gulf of Guinea (river basin 8.71 mm\/year), the tropical rainforest climate zone (8.21 mm\/year), and the Central African region (6.84 mm\/year), while Mozambique (\u22120.437 mm\/year), the subtropical northern desert (0.80 mm\/year), the west coast river basin of South Africa (\u22120.360 mm\/year), and the Northern Africa region (1.07 mm\/year) show the lowest annual rainfall trends. There is a statistically significant increase in the rainfall in the countries of Africa\u2019s northern and central regions, while there is no statistically significant change in the countries of the southern and eastern regions. In terms of climate zones, in the tropical northern desert climates, tropical northern peninsulas, and tropical grasslands, there is a significant increase in rainfall over the entire timeframe of the month, season, and year. This implies that increased rainfall will have a positive effect on the food security of the countries in those climatic zones. Since a large percentage of Africa\u2019s agriculture is based only on rainfall (i.e., rain-fed agriculture), increasing trends in rainfall can assist climate resilience and adaptation, while declining rainfall trends can badly affect it. This information can be crucial for decision-makers concerned with effective crop planning and water resource management. The rainfall variability and trend analysis of this study provide important information to decision-makers that need to effectively mitigate drought and flood risk.<\/jats:p>","DOI":"10.3390\/rs14010096","type":"journal-article","created":{"date-parts":[[2021,12,27]],"date-time":"2021-12-27T01:06:54Z","timestamp":1640567214000},"page":"96","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":47,"title":["Rainfall Variability and Trends over the African Continent Using TAMSAT Data (1983\u20132020): Towards Climate Change Resilience and Adaptation"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0984-5176","authenticated-orcid":false,"given":"Niranga","family":"Alahacoon","sequence":"first","affiliation":[{"name":"Department of Physics, University of Colombo, Colombo 00300, Sri Lanka"},{"name":"International Water Management Institute (IWMI), 127, Sunil Mawatha, Pelawatte, Batteramulla, Colombo 10120, Sri Lanka"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0177-3251","authenticated-orcid":false,"given":"Mahesh","family":"Edirisinghe","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Colombo, Colombo 00300, Sri Lanka"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6363-7410","authenticated-orcid":false,"given":"Matamyo","family":"Simwanda","sequence":"additional","affiliation":[{"name":"Department of Plant and Environmental Sciences, School of Natural Resources, Copperbelt University, P.O. Box 21692, Kitwe 10101, Zambia"}]},{"given":"ENC","family":"Perera","sequence":"additional","affiliation":[{"name":"Department of Regional Science and Planning, SANASA Campus, Kegalle 71000, Sri Lanka"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3506-3912","authenticated-orcid":false,"given":"Vincent R.","family":"Nyirenda","sequence":"additional","affiliation":[{"name":"Department of Zoology and Aquatic Sciences, School of Natural Resources, Copperbelt University, P.O. Box 21692, Kitwe 10101, Zambia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7540-0103","authenticated-orcid":false,"given":"Manjula","family":"Ranagalage","sequence":"additional","affiliation":[{"name":"Department of Environmental Management, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka, Mihintale 50300, Sri Lanka"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,25]]},"reference":[{"key":"ref_1","unstructured":"Solomon, S. (2007). 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