Arid
DOI10.1002/hyp.14625
Modelling daily transmission losses in basin-scale river system models under changing hydrological regimes
Kim, Shaun S. H.; Hughes, Justin D.; Marshall, Lucy A.; Petheram, Cuan; Sharma, Ashish; Vaze, Jai; Crosbie, Russell S.
通讯作者Kim, SSH
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
EISSN1099-1085
出版年2022
卷号36期号:6
英文摘要With rising concerns for water security and increasing interest in water resource development, accounting for river transmission losses in arid/semi-arid region water budgets is a crucial yet challenging task. Transmission losses are usually confounded with many different processes and exacerbated by hydrologic and climatic non-stationarity. A common deficiency in existing basin-scale river system loss models is the poor representation of dynamic river losses into groundwater. To address this, a new conceptual model was developed to represent relevant river processes including rainfall to runoff transformation, river loss/gain to groundwater, river rainfall/evaporation and routing on a reach-by-reach basis. A critical process of the model is the exchange of water between the river and a groundwater store, called the river bed/bank store. The exchange to groundwater typically occurs with relatively high river volumes. Conversely, the store can discharge water back to the river when river volumes are relatively low. The model is designed to be transposable between different time-periods, such as pre- and post-development scenarios, assuming sufficient data exist during calibration. Using explicit Bayesian formulations, calibrations were performed against observed streamflow and remotely sensed evapotranspiration data. The new loss model was investigated using a test case in the Cooper Creek, Australia. The model performed overall better than a benchmark (flow vs. loss) model in a range of calibration/validation metrics. The new model provides river state and flux terms typically not available in basin-scale models, and thus, is expected to be valuable during calibration/validation by allowing the use of alternative observed data types, for example, actual evapotranspiration or groundwater observations. Moreover, these extra terms could be very beneficial to water budget and ecological assessment studies.
英文关键词non-stationarity river bank storage river system modelling transmission loss uncertainty analysis
类型Article
语种英语
开放获取类型hybrid
收录类别SCI-E
WOS记录号WOS:000815662600001
WOS关键词RAINFALL-RUNOFF MODELS ; GROUNDWATER ; CALIBRATION ; MANAGEMENT ; CREEK
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/393050
推荐引用方式
GB/T 7714
Kim, Shaun S. H.,Hughes, Justin D.,Marshall, Lucy A.,et al. Modelling daily transmission losses in basin-scale river system models under changing hydrological regimes[J],2022,36(6).
APA Kim, Shaun S. H..,Hughes, Justin D..,Marshall, Lucy A..,Petheram, Cuan.,Sharma, Ashish.,...&Crosbie, Russell S..(2022).Modelling daily transmission losses in basin-scale river system models under changing hydrological regimes.HYDROLOGICAL PROCESSES,36(6).
MLA Kim, Shaun S. H.,et al."Modelling daily transmission losses in basin-scale river system models under changing hydrological regimes".HYDROLOGICAL PROCESSES 36.6(2022).
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