Articles | Volume 19, issue 3
https://doi.org/10.5194/acp-19-1623-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-19-1623-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The role of low-level clouds in the West African monsoon system
Anke Kniffka
CORRESPONDING AUTHOR
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Peter Knippertz
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Andreas H. Fink
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
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Cited
16 citations as recorded by crossref.
- Diurnal variations of the meridional overturning circulations over West Africa during the premonsoon and monsoon seasons L. Huaman et al. 10.1002/qj.4533
- Impacts of cloudiness on near surface radiation and temperature in Nigeria, West Africa O. Matthew et al. 10.1007/s42452-020-03961-y
- PM<sub>2.5</sub> surface concentrations in southern West African urban areas based on sun photometer and satellite observations J. Léon et al. 10.5194/acp-21-1815-2021
- The influence of DACCIWA radiosonde data on the quality of ECMWF analyses and forecasts over southern West Africa R. van der Linden et al. 10.1002/qj.3763
- A database of aircraft measurements of carbon monoxide (CO) with high temporal and spatial resolution during 2011–2021 C. Xue et al. 10.5194/essd-15-4553-2023
- An evaluation of operational and research weather forecasts for southern West Africa using observations from the DACCIWA field campaign in June–July 2016 A. Kniffka et al. 10.1002/qj.3729
- Assessment of global solar radiation estimates across different regions of Togo, West Africa T. Patchali et al. 10.1007/s00703-021-00856-4
- The potential of increasing man-made air pollution to reduce rainfall over southern West Africa G. Pante et al. 10.5194/acp-21-35-2021
- Quantifying uncertainty in simulations of the West African monsoon with the use of surrogate models M. Fischer et al. 10.5194/wcd-5-511-2024
- The ERA5's diurnal cycle of low-level clouds over Western Central Africa during June–September: Dynamic and thermodynamic processes A. Dommo et al. 10.1016/j.atmosres.2022.106426
- Process-based assessment of the impact of reduced turbulent mixing on Congo Basin precipitation in the RCA4 Regional Climate Model A. Tamoffo et al. 10.1007/s00382-020-05571-1
- Photovoltaic power potential in West Africa using long-term satellite data I. Neher et al. 10.5194/acp-20-12871-2020
- Global solar radiation predictions in Fiji Islands based on empirical models O. Oyewola et al. 10.1016/j.aej.2022.01.065
- Aerosol influences on low-level clouds in the West African monsoon J. Taylor et al. 10.5194/acp-19-8503-2019
- Characterization of Sunshine Duration in Western Equatorial Africa: In Situ Measurements versus SARAH-2 Satellite Estimates N. Philippon et al. 10.1175/JAMC-D-21-0072.1
- Daytime low-level clouds in West Africa – occurrence, associated drivers, and shortwave radiation attenuation D. Danso et al. 10.5194/esd-11-1133-2020
16 citations as recorded by crossref.
- Diurnal variations of the meridional overturning circulations over West Africa during the premonsoon and monsoon seasons L. Huaman et al. 10.1002/qj.4533
- Impacts of cloudiness on near surface radiation and temperature in Nigeria, West Africa O. Matthew et al. 10.1007/s42452-020-03961-y
- PM<sub>2.5</sub> surface concentrations in southern West African urban areas based on sun photometer and satellite observations J. Léon et al. 10.5194/acp-21-1815-2021
- The influence of DACCIWA radiosonde data on the quality of ECMWF analyses and forecasts over southern West Africa R. van der Linden et al. 10.1002/qj.3763
- A database of aircraft measurements of carbon monoxide (CO) with high temporal and spatial resolution during 2011–2021 C. Xue et al. 10.5194/essd-15-4553-2023
- An evaluation of operational and research weather forecasts for southern West Africa using observations from the DACCIWA field campaign in June–July 2016 A. Kniffka et al. 10.1002/qj.3729
- Assessment of global solar radiation estimates across different regions of Togo, West Africa T. Patchali et al. 10.1007/s00703-021-00856-4
- The potential of increasing man-made air pollution to reduce rainfall over southern West Africa G. Pante et al. 10.5194/acp-21-35-2021
- Quantifying uncertainty in simulations of the West African monsoon with the use of surrogate models M. Fischer et al. 10.5194/wcd-5-511-2024
- The ERA5's diurnal cycle of low-level clouds over Western Central Africa during June–September: Dynamic and thermodynamic processes A. Dommo et al. 10.1016/j.atmosres.2022.106426
- Process-based assessment of the impact of reduced turbulent mixing on Congo Basin precipitation in the RCA4 Regional Climate Model A. Tamoffo et al. 10.1007/s00382-020-05571-1
- Photovoltaic power potential in West Africa using long-term satellite data I. Neher et al. 10.5194/acp-20-12871-2020
- Global solar radiation predictions in Fiji Islands based on empirical models O. Oyewola et al. 10.1016/j.aej.2022.01.065
- Aerosol influences on low-level clouds in the West African monsoon J. Taylor et al. 10.5194/acp-19-8503-2019
- Characterization of Sunshine Duration in Western Equatorial Africa: In Situ Measurements versus SARAH-2 Satellite Estimates N. Philippon et al. 10.1175/JAMC-D-21-0072.1
- Daytime low-level clouds in West Africa – occurrence, associated drivers, and shortwave radiation attenuation D. Danso et al. 10.5194/esd-11-1133-2020
Latest update: 14 Dec 2024
Short summary
The role of low-level clouds in the southern West Africa (SWA) energy balance and the West African monsoon system is assessed via targeted sensitivity studies with the NWP model ICON. We show for the first time that rainfall over SWA depends logarithmically on the optical thickness of low clouds, as these control the diurnal evolution of the planetary boundary layer, vertical stability and finally convection. Small variations in clouds or aerosol have a substantial impact on precipitation.
The role of low-level clouds in the southern West Africa (SWA) energy balance and the West...
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