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- Title
A meteorological dataset of the West African monsoon during the 2016 DACCIWA campaign.
- Authors
Kohler, Martin; Bessardon, Geoffrey; Brooks, Barbara; Kalthoff, Norbert; Lohou, Fabienne; Adler, Bianca; Olawale Jegede, Oluwagbemiga; Altstädter, Barbara; Amekudzi, Leonard Kofitse; Aryee, Jeffrey Nii Armah; Atiah, Winifred Ayinpogbilla; Ayoola, Muritala; Babić, Karmen; Bärfuss, Konrad; Bezombes, Yannick; Bret, Guillaume; Brilouet, Pierre-Etienne; Cayle-Aethelhard, Fred; Danuor, Sylvester; Delon, Claire
- Abstract
As part of the Dynamics-Aerosol-Chemistry-Cloud Interactions in West Africa (DACCIWA) project, extensive in-situ measurements of the southern West African atmospheric boundary layer (ABL) have been performed at three supersites Kumasi (Ghana), Savè (Benin) and Ile-Ife (Nigeria) during the 2016 monsoon period (June and July). The measurements were designed to provide data for advancing our understanding of the relevant processes governing the formation, persistence and dissolution of nocturnal low-level stratus clouds and their influence on the daytime ABL in southern West Africa. An extensive low-level cloud deck often forms during the night and persists long into the following day strongly influencing the ABL diurnal cycle. Although the clouds are of a high significance for the regional climate, the dearth of observations in this region has hindered process understanding. Here, an overview of the measurements ranging from near-surface observations, cloud characteristics, aerosol and precipitation to the dynamics and thermodynamics in the ABL and above, and data processing is given. So-far achieved scientific findings, based on the dataset analyses, are briefly overviewed. Measurement(s) Wind speed, Wind direction, Temperature, Relative humidity, Soil Moisture, Soil Temperature, Air Pressure, Radiative Fluxes near the surface • range, elevation azimut, radial velocity, wind vectors • Brightness temperatures • Reflectivity, range, elevation azimut • Trace gas concentrations • Aeorosol optical depth • Sky images, visible and infrared • Temperature, Humidity and Windprofiles • Temperature, Relative Humidity and Black Carbon Concentration • Temperature, Humidity, vertical wind speed Technology Type(s) weather station, energy balance station • Lidar, Sodar, UHF-Profiler • Microwave Radiometer • Rain radar and Cloud radar • Trace gas analyser • Photometer • Cloud camera • Radiosoundings • UAV • Eddy Correlation Factor Type(s) Precipitation and Cloudformation • turbulent fluxes of heat and moisture • Vertical temperature, humidity and wind profiles Sample Characteristic - Environment Atmosphere Sample Characteristic - Location West Africa
- Subjects
WEST Africa; KUMASI (Ghana); IFE (Nigeria); ATMOSPHERIC boundary layer; TRACE gases; STRATOCUMULUS clouds; METEOROLOGICAL stations; STRATUS clouds; SOIL temperature; MONSOONS
- Publication
Scientific Data, 2022, Vol 9, Issue 1, p1
- ISSN
2052-4463
- Publication type
Article
- DOI
10.1038/s41597-022-01277-7