Study area and in situ data

  • Dakar, Senegal

    Dakar (14°40’ North, 17°25’ West), the capital city of Senegal, and its suburbs are located in the Cap-Vert peninsula at the westernmost point of Africa. The estimated population was 1,030,594 inhabitants in 2005, amounting to about 20% of the country’s population. The population density is 12,233 inhabitants per km². The altitude peaks at 104 m above sea level (Mamelles).
    The Cap-Vert peninsula has a mild sahelian climate. The hot and wet season lasts from June to November, with average (...)

  • N’Djamena, Chad

    N’Djamena (12°07′ North, 15°03′ Est), the capital city of Chad is a port on the Chari River, near the confluence with the Logone River. The estimated population was close to 1 million inhabitants in 2009.
    N’Djamena has a semi-arid climate with a short wet season (June-September, with the heaviest precipitation occurring in August) and a lengthy dry season. The average annual precipitations are around 750 mm. The city’s highest temperatures are usually recorded between March and June (32°C to (...)