Arid
DOI10.1002/hyp.7972
Comparative analysis of rating curve and ADP estimates of instantaneous water discharge through estuaries in two contrasting Brazilian rivers
da Silva Dias, Francisco Jose1,2; Lacerda, Luiz Drude1; Marins, Rozane Valente1; Fernandes de Paula, Francisco Carlos3
通讯作者da Silva Dias, Francisco Jose
来源期刊HYDROLOGICAL PROCESSES
ISSN0885-6087
EISSN1099-1085
出版年2011
卷号25期号:14页码:2188-2201
英文摘要

This work quantifies, using ADP and rating curve techniques, the instantaneous outflows at estuarine interfaces: higher to middle estuary and middle to lower estuary, in two medium-sized watersheds (72 000 and 66 000 km(2) of area, respectively), the Jaguaribe and Contas Rivers located in the northeastern (semi-arid) and eastern (tropical humid) Brazilian coasts, respectively. Results from ADP showed that the net water balances show the Contas River as a net water exporter, whereas the Jaguaribe River Estuary is a net water importer. At the Jaguaribe Estuary, water retention during flood tide contributes to 58% of the total volume transferred during the ebb tide from the middle to lower estuary. However, 42% of the total water volume (452 m(3) s(-1)) that entered during flood tide is retained in the middle estuary. In the Contas River, 90% of the total water is retained during the flood tide contributing to the volume transported in the ebb tide from the middle to the lower estuary. Outflows obtained with the rating curve method for the Contas and Jaguaribe Rivers were uniform through time due to river flow normalization by dams in both basins. Estimated outflows with this method are about 65% (Contas) and 95% (Jaguaribe) lower compared to outflows obtained with ADP. This suggests that the outflows obtained with the rating curve method underestimate the net water balance in both systems, particularly in the Jaguaribe River under a semi-arid climate. This underestimation is somewhat decreased due to wetter conditions in the Contas River basin. Copyright. (C) 2011 John Wiley & Sons, Ltd.


英文关键词tropical river river discharge ADP rating curve estuary
类型Article
语种英语
国家Brazil
收录类别SCI-E
WOS记录号WOS:000292554800003
WOS关键词RESIDUAL CIRCULATION ; DUNE MIGRATION ; SEPETIBA BAY ; LOCAL STAGE ; QUALITY ; FLOW ; RESERVOIR ; BASIN
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/2XILL650/168423
作者单位1.Univ Sao Paulo, Dept Oceanog Fis, Inst Oceanog, BR-05508120 Sao Paulo, Brazil;
2.Univ Fed Ceara, Inst Ciencias Mar, Fortaleza, Ceara, Brazil;
3.Univ Estadual Santa Cruz, Dept Ciencias Agrarias & Ambientais, Ilheus, BA, Brazil
推荐引用方式
GB/T 7714
da Silva Dias, Francisco Jose,Lacerda, Luiz Drude,Marins, Rozane Valente,et al. Comparative analysis of rating curve and ADP estimates of instantaneous water discharge through estuaries in two contrasting Brazilian rivers[J],2011,25(14):2188-2201.
APA da Silva Dias, Francisco Jose,Lacerda, Luiz Drude,Marins, Rozane Valente,&Fernandes de Paula, Francisco Carlos.(2011).Comparative analysis of rating curve and ADP estimates of instantaneous water discharge through estuaries in two contrasting Brazilian rivers.HYDROLOGICAL PROCESSES,25(14),2188-2201.
MLA da Silva Dias, Francisco Jose,et al."Comparative analysis of rating curve and ADP estimates of instantaneous water discharge through estuaries in two contrasting Brazilian rivers".HYDROLOGICAL PROCESSES 25.14(2011):2188-2201.
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