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- aggregation classification "A1".
- aggregation creator B407857.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 2098268.bibtex.
- aggregation hasFormat 2098268.csv.
- aggregation hasFormat 2098268.dc.
- aggregation hasFormat 2098268.didl.
- aggregation hasFormat 2098268.doc.
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- aggregation hasFormat 2098268.xls.
- aggregation hasFormat 2098268.yaml.
- aggregation isPartOf urn:issn:1525-755X.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Continuous time series of catchment-averaged sensible heat flux from a large aperture scintillometer: efficient estimation of stability conditions and importance of fluxes under stable conditions".
- aggregation abstract "A large aperture scintillometer (LAS) observes the intensity of the atmospheric turbulence across large distances, which is related to the path-averaged sensible heat flux H. In this paper, two problems in the derivation of continuous series of H from LAS data are investigated and the importance of nighttime H fluxes is assessed. First, as an LAS is unable to determine the sign of H, the transition from unstable to stable conditions is evaluated in order to make continuous H series. Therefore, different algorithms to judge the atmospheric stability for an LAS installed over a distance of 9.5 km have been tested. The diurnal cycle of the refractive index structure parameter, C-N(2), results in the best suitable, operational algorithm. A second issue is the humidity correction for LAS data, which is performed by using the Bowen ratio (beta). As beta is taken from ground-based measurements with data gaps, the number of resulting H values is reduced. Not including this humidity correction results in a marginal error in H, but increases the completeness of the H series. Applying these conclusions to the 2-yr time series of the LAS results in an almost-continuous H time series. As the majority of the time steps has been found to be under stable conditions, there is a clear impact of H-stable on H-24h-the 24-h average of H. For stable conditions, H-stable values are mostly negative, and hence lower than the H - 0 W m(-2) assumption as mostly adopted. For months where stable conditions prevail (winter), H-24h is overestimated using this assumption, and calculation of H-stable is recommended.".
- aggregation authorList BK722948.
- aggregation endPage "442".
- aggregation issue "2".
- aggregation startPage "423".
- aggregation volume "13".
- aggregation aggregates 2098272.
- aggregation isDescribedBy 2098268.
- aggregation similarTo JHM-D-11-030.1.
- aggregation similarTo LU-2098268.