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| Hauptseite > Publikationsdatenbank > High-resolution estimation of the water balance components from high-precision lysimeters > print |
| Hauptseite > Publikationsdatenbank > High-resolution estimation of the water balance components from high-precision lysimeters > print |
| 001 | 188335 | ||
| 005 | 20210129215156.0 | ||
| 024 | 7 | _ | |2 doi |a 10.5194/hessd-12-569-2015 |
| 024 | 7 | _ | |2 ISSN |a 1812-2108 |
| 024 | 7 | _ | |2 ISSN |a 1812-2116 |
| 037 | _ | _ | |a FZJ-2015-01743 |
| 082 | _ | _ | |a 550 |
| 100 | 1 | _ | |0 P:(DE-HGF)0 |a Hannes, M. |b 0 |e Corresponding Author |
| 245 | _ | _ | |a High-resolution estimation of the water balance components from high-precision lysimeters |
| 260 | _ | _ | |a Katlenburg-Lindau |b Soc. |c 2015 |
| 336 | 7 | _ | |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |a Journal Article |b journal |m journal |s 1425475905_24702 |
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| 336 | 7 | _ | |2 ORCID |a JOURNAL_ARTICLE |
| 336 | 7 | _ | |2 DRIVER |a article |
| 520 | _ | _ | |a Lysimeters offer the opportunity to determine precipitation, evapotranspiration and groundwater-recharge with high accuracy. In contrast to other techniques, like Eddy-flux systems or evaporation pans, lysimeters provide a direct measurement of evapotranspiration from a clearly defined surface area at the scale of a soil profile via the built-in weighing system. In particular the estimation of precipitation can benefit from the much higher surface area compared to typical raingauge systems. Nevertheless, lysimeters are exposed to several external influences that could falsify the calculated fluxes. Therefore, the estimation of the relevant fluxes requires an appropriate data processing with respect to various error sources. Most lysimeter studies account for noise in the data by averaging. However, the effects of smoothing by averaging on the accuracy of the estimated water balance is rarely investigated. In this study, we present a filtering scheme, which is designed to deal with the various kinds of possible errors. We analyze the influence of averaging times and thresholds on the calculated water balance. We further investigate the ability of two adaptive filtering methods (the Adaptive Window and Adaptive Threshold filter (AWAT-filter) (Peters et al., 2014) and the consecutively described synchro-filter) in further reducing the filtering error. On the basis of the data sets of 18 simultanously running lysimeters of the TERENO SoilCan research site in Bad Lauchstädt, we show that the estimation of the water balance with high temporal resolution and good accuracy is possible. |
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| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Wollschläger, U. |b 1 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Schrader, F. |b 2 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Durner, W. |b 3 |
| 700 | 1 | _ | |0 P:(DE-Juel1)145813 |a Gebler, S. |b 4 |u fzj |
| 700 | 1 | _ | |0 P:(DE-Juel1)129523 |a Pütz, Thomas |b 5 |u fzj |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Fank, J. |b 6 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a von Unold, G. |b 7 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Vogel, H.-J. |b 8 |
| 773 | _ | _ | |0 PERI:(DE-600)2190493-5 |a 10.5194/hessd-12-569-2015 |g Vol. 12, no. 1, p. 569 - 608 |n 1 |p 569 - 608 |t Hydrology and earth system sciences discussions |v 12 |x 1812-2116 |y 2015 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/188335/files/FZJ-2015-01743.pdf |y OpenAccess |
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