干旱区生态环境知识资源中心(Arid): Tracing total and dissolved material in a western Canadian basin using quality control samples to guide the selection of fingerprinting parameters for modelling

Arid

DOI	10.1016/j.catena.2020.105095
	Tracing total and dissolved material in a western Canadian basin using quality control samples to guide the selection of fingerprinting parameters for modelling
	Laceby, J. P.; Batista, P. V. G.; Taube, N.; Kruk, M. K.; Chung, C.; Evrard, O.; Orwin, J. F.; Kerr, J. G.
通讯作者	Laceby, JP (corresponding author), Alberta Environm & Pk, 3535 Res Rd NW, Calgary, AB T2L 2K8, Canada.
来源期刊	CATENA
ISSN	0341-8162
EISSN	1872-6887
出版年	2021
卷号	200
英文摘要	The source dynamics of total and dissolved material in riverine systems are being affected by anthropogenic activities resulting in the degradation of waterways worldwide. Identifying the main sources of total and dissolved material is thus central to the management of increasingly scarce water resources. Here, we utilize data generated from water quality monitoring programs to investigate the sources of total and dissolved material in a large, semi-arid basin in western Canada. Our research focuses on the confluence of two major tributaries in the South Saskatchewan River Basin (SSRB) in the Province of Alberta: the Bow River (25,611 km(2)) and the Oldman River (28,270 km(2)). A tributary tracing technique coupled with a Deconvolutional-MixSIAR (D-MIXSIAR) modelling approach is used to estimate the potential source contributions of total and dissolved material from major tributary sites to target node sites on the main stem of the Bow River and Oldman River in addition to target nodes downstream of their confluence. In total, 812 samples were taken from 29 sites across the SSRB. A novel approach to selecting fingerprints for modelling is presented based on the analyses of additional quality control samples (146 duplicate and 172 blank samples). Overall, the Rocky Mountain headwater catchments were found to dominate the supply of material modelled using total recoverable (68%) and dissolved (76%) metals. There were seasonal fluctuations in source dynamics evident where the Bow River dominated the supply of total (69%) and dissolved (57%) material during the ice-covered season (November-March), and the Oldman River dominated the supply of total (73%) and dissolved (59%) material during the open water season (April-October). On the one hand, these seasonal dynamics are potentially the result of the extensive regulation of flow, particularly along the Bow River. On the other hand, the intensification of agriculture in the prairie/plain catchments may also facilitate the excess supply of total relative to dissolved material. For example, the Little Bow River, with similar to 70% agricultural land cover, contributed similar to 14 times more total material than anticipated based on discharge and 1.6 times more than anticipated based on unit area during the open water season. Overall, this research has improved our understanding of the source dynamics of total and dissolved material in the SSRB, providing the foundation for focussed studies targeting the main sources of total and dissolved material in this large, semi-arid basin in western Canada. In addition, our research highlights the potential of using existent data generated from water quality monitoring programs along with quality control best practices to help improve our understanding of the source dynamics of total and dissolved material in waterways around the world.
英文关键词	Alberta Waterways Sediment Water resources Conservation Geochemistry
类型	Article
语种	英语
开放获取类型	Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000620777400003
WOS类目	Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向	Geology ; Agriculture ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368835
作者单位	[Laceby, J. P.; Taube, N.; Kruk, M. K.; Chung, C.; Orwin, J. F.; Kerr, J. G.] Alberta Environm & Pk, 3535 Res Rd NW, Calgary, AB T2L 2K8, Canada; [Batista, P. V. G.] Univ Basel, Environm Geosci, Bernoullistr 30, CH-4056 Basel, Switzerland; [Evrard, O.] Univ Paris Saclay, Lab Sci Climat & Environm LSCE IPSL, CEA CNRS UVSQ, Gif Sur Yvette, France
推荐引用方式 GB/T 7714	Laceby, J. P.,Batista, P. V. G.,Taube, N.,et al. Tracing total and dissolved material in a western Canadian basin using quality control samples to guide the selection of fingerprinting parameters for modelling[J],2021,200.
APA	Laceby, J. P..,Batista, P. V. G..,Taube, N..,Kruk, M. K..,Chung, C..,...&Kerr, J. G..(2021).Tracing total and dissolved material in a western Canadian basin using quality control samples to guide the selection of fingerprinting parameters for modelling.CATENA,200.
MLA	Laceby, J. P.,et al."Tracing total and dissolved material in a western Canadian basin using quality control samples to guide the selection of fingerprinting parameters for modelling".CATENA 200(2021).