Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019WR026153 |
The added value of different data types for calibrating and testing a hydrologic model in a small catchment | |
B. Szé; les; J. Parajka; P. Hogan; R. Silasari; L. Pavlin; P. Strauss; G. Blö; schl | |
2020-09-25 | |
发表期刊 | Water Resources Research
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出版年 | 2020 |
英文摘要 | This study investigated the added value of different data for calibrating a runoff model for small basins. The analysis was performed in the 66 ha Hydrological Open Air Laboratory, in Austria. An HBV type, spatially lumped hydrologic model was parameterized following two approaches. First, the model was calibrated using only runoff data. Second, a step‐by‐step approach was followed, where the modules of the model (snow, soil moisture and runoff generation) were calibrated using measurements of runoff and model state variables and output fluxes. These measurements comprised laser‐based measurements of precipitation, satellite and camera observations of snow, ultrasonic measurements of snow depth, eddy covariance measurements of evapotranspiration, time domain transmissometry based soil moisture measurements, time lapse photography of overland flow and groundwater level measurements by piezometers. The two model parameterizations were evaluated on annual, seasonal and daily time scales, in terms of how well they simulated snow, soil moisture, evapotranspiration, overland flow, storage change in the saturated zone and runoff. Using the proposed step‐by‐step approach, the relative runoff volume errors in the calibration and validation periods were 0.00 and ‐0.01, the monthly Pearson correlation coefficients were 0.92 and 0.82, and the daily logarithmic Nash Sutcliffe efficiencies were 0.59 and 0.18, respectively. By using different sources of data besides runoff, the overall process consistency improved, compared to the case when only runoff was used for calibration. Soil moisture and evapotranspiration observations had the largest influence on simulated runoff, while the parameterization of the snow and runoff generation modules had a smaller influence. |
领域 | 资源环境 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/296382 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | B. Szé,les,J. Parajka,et al. The added value of different data types for calibrating and testing a hydrologic model in a small catchment[J]. Water Resources Research,2020. |
APA | B. Szé.,les.,J. Parajka.,P. Hogan.,R. Silasari.,...&schl.(2020).The added value of different data types for calibrating and testing a hydrologic model in a small catchment.Water Resources Research. |
MLA | B. Szé,et al."The added value of different data types for calibrating and testing a hydrologic model in a small catchment".Water Resources Research (2020). |
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