Matches in SemOpenAlex for { <https://semopenalex.org/work/W4319593613> ?p ?o ?g. }
Showing items 1 to 53 of
53
with 100 items per page.
- W4319593613 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> Accurate precipitation data are essential for assessing the water balance of ecosystems. Methods for point precipitation determination are influenced by wind, precipitation type and intensity and/or technical issues. High-precision weighable lysimeters provide precipitation measurements at ground level that are less affected by wind disturbances and are assumed to be relatively close to “true” precipitation. The problem in previous studies was that the biases on precipitation data introduced by different precipitation measurement methods were not comprehensively compared and quantified with those obtained by lysimeters under different climatic conditions. The aim was to quantify measurement errors of standard precipitation gauges as compared to the lysimeter reference and to analyse the effect of precipitation correction algorithms on the gauge data quality. Both correction methods rely on empirical constants to account for known external influences on the measurements, following a generic and a site-specific approach. Reference precipitation data were obtained from high-precision weighable lysimeters of the TERrestial Environmental Observatories (TERENO)-SOILCan lysimeter network. Gauge types included tipping bucket gauges (TBs), weighable gauges (WGs), acoustical sensors (ASs), and optical laser disdrometers (LDs). The data were collected from 2015–2018 at three sites in Germany and compared with a temporal resolution of 1 hour for precipitation above a threshold of 0.1 mm h<sup>-1</sup>. The results show that all investigated measurement methods underestimated the precipitation amounts relative to the lysimeter references for long-term precipitation totals with catch ratios (CRs) between 33–92 %. Data from ASs had overall biases of 0.25 to -0.07 mm h<sup>-1</sup>, while data from WGs and LDs showed the lowest measuring biases (-0.14 to -0.06 mm h<sup>-1</sup> and 0.01 to 0.02 mm h<sup>-1</sup>). Two TBs showed systematic deviations with biases of -0.69 to -0.61 mm h<sup>-1</sup>, while other TBs were in the previously reported range with biases of -0.2 mm h<sup>-1</sup>. The site-specific and generic correction schemes reduced the hourly measuring bias by 0.13 and 0.08 mm h<sup>-1</sup> for the TBs and by 0.09 and 0.07 mm h<sup>-1</sup> for the WGs and increased long-term CRs by 14 and 9 % and by 10 and 11 %, respectively. It could be shown that the lysimeter reference operated with minor uncertainties in long-term measurements under different climatic conditions. The results indicate that even with well-maintained and professionally operated stations, considerable precipitation measurement errors can occur, which generally lead to a loss of recorded precipitation amounts. Data from standard precipitation gauges therefore still represent potentially significant uncertainty factors. The results suggest that the application of relatively simple correction schemes, manual or automated data quality checks, instrument calibrations and/or adequate choice of observation periods can help improve the data quality of gauge-based measurements for water balance calculations, ecosystem modelling, water management, assessment of agricultural irrigation needs or radar-based precipitation analyses." @default.
- W4319593613 created "2023-02-09" @default.
- W4319593613 date "2023-02-07" @default.
- W4319593613 modified "2023-10-18" @default.
- W4319593613 title "Comment on hess-2022-370" @default.
- W4319593613 doi "https://doi.org/10.5194/hess-2022-370-rc2" @default.
- W4319593613 hasPublicationYear "2023" @default.
- W4319593613 type Work @default.
- W4319593613 citedByCount "0" @default.
- W4319593613 crossrefType "peer-review" @default.
- W4319593613 hasBestOaLocation W43195936131 @default.
- W4319593613 hasConcept C105795698 @default.
- W4319593613 hasConcept C107054158 @default.
- W4319593613 hasConcept C127313418 @default.
- W4319593613 hasConcept C153294291 @default.
- W4319593613 hasConcept C159390177 @default.
- W4319593613 hasConcept C159750122 @default.
- W4319593613 hasConcept C165838908 @default.
- W4319593613 hasConcept C187320778 @default.
- W4319593613 hasConcept C205649164 @default.
- W4319593613 hasConcept C33923547 @default.
- W4319593613 hasConcept C39432304 @default.
- W4319593613 hasConcept C76886044 @default.
- W4319593613 hasConcept C85871539 @default.
- W4319593613 hasConceptScore W4319593613C105795698 @default.
- W4319593613 hasConceptScore W4319593613C107054158 @default.
- W4319593613 hasConceptScore W4319593613C127313418 @default.
- W4319593613 hasConceptScore W4319593613C153294291 @default.
- W4319593613 hasConceptScore W4319593613C159390177 @default.
- W4319593613 hasConceptScore W4319593613C159750122 @default.
- W4319593613 hasConceptScore W4319593613C165838908 @default.
- W4319593613 hasConceptScore W4319593613C187320778 @default.
- W4319593613 hasConceptScore W4319593613C205649164 @default.
- W4319593613 hasConceptScore W4319593613C33923547 @default.
- W4319593613 hasConceptScore W4319593613C39432304 @default.
- W4319593613 hasConceptScore W4319593613C76886044 @default.
- W4319593613 hasConceptScore W4319593613C85871539 @default.
- W4319593613 hasLocation W43195936131 @default.
- W4319593613 hasOpenAccess W4319593613 @default.
- W4319593613 hasPrimaryLocation W43195936131 @default.
- W4319593613 hasRelatedWork W1822426157 @default.
- W4319593613 hasRelatedWork W1977931480 @default.
- W4319593613 hasRelatedWork W2029210742 @default.
- W4319593613 hasRelatedWork W2090422664 @default.
- W4319593613 hasRelatedWork W2098479668 @default.
- W4319593613 hasRelatedWork W2100388561 @default.
- W4319593613 hasRelatedWork W2203162534 @default.
- W4319593613 hasRelatedWork W2364472247 @default.
- W4319593613 hasRelatedWork W2393811749 @default.
- W4319593613 hasRelatedWork W3196088787 @default.
- W4319593613 isParatext "false" @default.
- W4319593613 isRetracted "false" @default.
- W4319593613 workType "peer-review" @default.