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2024, 2025, and 2026. This version of the Combined Drought Indicator (CDI) utilizes ERA5 reanalysis data as the primary input for the precipitation component (SPI), rath... African Center of Meteorological Applications for Development (ACMAD).
2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024. This dataset contains the absolute values of the Fraction of Absorbed Photosynthetically Active Radiation (fAPAR). While anomalies show deviations ... African Center of Meteorological Applications for Development (ACMAD).
2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026. The fAPAR Anomaly dataset maps deviations in vegetation health and photosynthetic activity across Africa. fAPAR measures the proportion of solar ra... African Center of Meteorological Applications for Development (ACMAD).
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024. The Global Precipitation Climatology Centre (GPCC) Monthly Precipitation dataset provides gridded gauge-analysis products focusing on land-surface ... African Center of Meteorological Applications for Development (ACMAD).
2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026. The Combined Drought Indicator (CDI) dataset developed at ACMAD is designed as an operational drought-monitoring product that synthesizes multiple ... African Center of Meteorological Applications for Development (ACMAD).
2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024. The Soil Moisture Anomaly (SMA) dataset provides a measure of deviation in root-zone soil moisture conditions relative to the long-term climatologi... African Center of Meteorological Applications for Development (ACMAD).
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, and 2026. The Standardized Precipitation Index (SPI) is the globally recommended standard for characterizing meteorological drought. It quantifies observed p... African Center of Meteorological Applications for Development (ACMAD).
2026. Airports and aviation infrastructure: airports, heliports, helipads, runways, terminals, and emergency landing sites tagged via `aeroway`, `buildin... OpenStreetMap contributors.
1998. Aerospace Center (U.S.), United States. National Imagery and Mapping Agency., United States. Defense Mapping Agency., Harvard University. Center for Geographic Analysis., and East View Cartographic, Inc. This layer is a georeferenced raster image of the United States Aerospace Center's Operational Navigation Chart (ONC) 1:1,000,000 map series sheet ... Harvard Map Collection, Harvard College Library.
levés effectués de 1954 à 1957 par G. Gérard [and others], géologues à la Direction des Mines et de la Géologie de l'A.E.F. ; et Ch. Bizard [and ot... Direction des mines et de la géologie.