Persistent Identifier
|
doi:10.23708/LNZLZF |
Publication Date
|
2022-07-19 |
Title
| Wind erosion, meteorological and wind profile monitoring in a groundnut field in Bambey, Senegal, 2020-2021 (ENCAS project) |
Author
| Pierre, Caroline (UMR iEES-Paris - Sorbonne Univ., CNRS, INRAE, IRD, Univ. de Paris, UPEC - France) - ORCID: 0000-0002-7549-1460 |
Point of Contact
|
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iEES-Paris data
Pierre, Caroline (UMR iEES-Paris - Sorbonne Univ., CNRS, INRAE, IRD, Univ. de Paris, UPEC - France) |
Description
| In order to measure horizontal flux of aeolian sediment and the main dynamic parameters (wind erosion threshold, aerodynamic roughness length), a set of instruments was set up in February 2020 in the framework of the ENCAS research project. In a groundnut field of about 100 m x 100 m, we installed 5 anemometers (2 dimensional (2D) sonic anemometers WindSonicTM Gill Instruments Ltd) at 0.25m, 0.66m, 1m, 1.5m, and 1.9m agl, a rain gauge (ARG100 Tipping Bucket rain gauge Campbell® Scientific company), and a Saltiphone, that detects the impacts of saltating grains.
All these measurements were performed with 5-minute time resolution. Missing data were rare (less than 1%) over the whole year 2020 for these ENCAS dataset (wind speed and Saltiphone). Simultaneously, horizontal sediment flux was monitored using five masts of 5 sand traps each (Modified Wilson and Cooke – MWAC) set up downwind the main wind directions of the study plot, i.e. at its southwestern corner. The sand-traps were set up at heights of 0.05m, 0.1m, 0.2m, 0.4m, 0.8m agl. They were regularly collected (approximately every 2 weeks) and their content was weighed with 1 mg precision. The groundnut field was made bare and tilled during February 2020; wind speed (sand traps) measurements started on February 22nd (24th). Then, groundnut was cropped during the rainy season (short-cycle cultivar, sown on July 8th and 20th because of labor availability, and harvested on October 26th). (2022-07-15) |
Subject
| Agricultural Sciences; Earth and Environmental Sciences |
Keyword
| soils (iEES Open Data scope) |
Scientific Theme
| Ecosystems and natural habitat (NumeriSud) https://uri.ird.fr/so/kos/tnu/082
Geography, environment and climatology (NumeriSud) https://uri.ird.fr/so/kos/tnu/021 |
Related Publication
| Pierre C., Rajot JL., Faye I., Dorego G. S., Bouet C., Marticorena B., Bergametti G., Ka A., Amar B., Tall A., Diagne N., Feron A. (2023) A contrasting seasonality of wind erosivity and wind erosion between Central and Western Sahel. Aeolian Research, 62. doi: 10.1016/j.aeolia.2023.100879 https://doi.org/10.1016/j.aeolia.2023.100879 |
Language
| English |
Distributor
| Equipe SolsZC
Forçages et Flux dans la Zone Critique (F2ZC) |
Depositor
| Pierre, Caroline |
Deposit Date
| 2022-07-15 |
Time Period
| Start Date: 2020-02-22 ; End Date: 2020-12-31 |
Data Type
| Observational data |