Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 306499
Title Observations of boundary layer development during the HAPEX-Sahel intensive observation period
Author(s) Dolman, A.J.; Culf, A.D.; Bessemoulin, P.
Source Journal of Hydrology 188/189 (1997). - ISSN 0022-1694 - p. 998 - 1016.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Refereed Article in a scientific journal
Publication year 1997
Keyword(s) microklimaat - planten - grenzen - hydrologie - evapotranspiratie - neerslag - sahel - microclimate - plants - boundaries - hydrology - evapotranspiration - precipitation - sahel
Categories Crop Meteorology
Abstract The radiosonde measurement programme of the boundary layer during the Hydrologic Atmospheric Pilot Experiment in the Sahel (HAPEX-Sahel) is described. Typical examples of boundary layer evolution at two sites for wet and dry periods are shown. The Central Site was consistently dryer and warmer than the Southern Site and also reached higher boundary layer depths in the dry period in October. A brief analysis of surface flux variability is used to determine the errors associated with using a single average value for boundary layer input. Budget calculations using a mixed layer model show that advection plays an important role in the early morning budgets of heat and moisture. In the dry period subsidence also contributed to boundary layer heating.
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