Slow chemical weathering in a semiarid climate: Changes in the mineralogy and geochemistry of subaerial lava flows in the Deschutes River Basin, central Oregon

Water management systems in the western United States prioritize historical economic uses of water, but are being tasked with addressing growing populations, unmet ecosystem needs, and climatic changes. Collaborative governance scholars posit that collaborative processes generate solutions better suited to resolving wicked natural resource problems than traditional regulatory approaches. However, scholars dispute how collaboration and regulatory enforcement in the form of litigation interact: does litigation destroy collaborative efforts or does litigation facilitate collaboration? In the Upper Deschutes River Basin in central Oregon, stakeholders engaged two collaborative processes to lay the foundation for a new water management regime. However, a participant in these processes was concerned that they were not progressing and filed a lawsuit under the Endangered Species Act. This research finds that litigation, strategically applied under specific conditions, can facilitate collaboration.

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Geology, Hydrology and Fish of the Deschutes River Basin

A Peculiar River - Water Science and Application ◽

10.1029/007ws02 ◽

2013 ◽

pp. 5-5

Keyword(s):

River Basin ◽

Deschutes River ◽

Deschutes River Basin

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Identification of the Impacts of Climate Changes and Human Activities on Runoff in the Jinsha River Basin, China

Advances in Meteorology ◽

10.1155/2017/4631831 ◽

2017 ◽

Vol 2017 ◽

pp. 1-9 ◽

Cited By ~ 2

Author(s):

Xiaowan Liu ◽

Dingzhi Peng ◽

Zongxue Xu

Keyword(s):

Water Balance ◽

River Basin ◽

Human Activities ◽

Climate Changes ◽

Balance Method ◽

Variation Method ◽

Rainfall Runoff ◽

Jinsha River ◽

Water Balance Method ◽

Double Mass

Quantifying the impacts of climate changes and human activities on runoff has received extensive attention, especially for the regions with significant elevation difference. The contributions of climate changes and human activities to runoff were analyzed using rainfall-runoff relationship, double mass curve, slope variation, and water balance method during 1961–2010 at the Jinsha River basin, China. Results indicate that runoff at upstream and runoff at midstream are both dominated by climate changes, and the contributions of climate changes to runoff are 63%~72% and 53%~68%, respectively. At downstream, climate changes account for only 13%~18%, and runoff is mainly controlled by human activities, contributing 82%~87%. The availability and stability of results were compared and analyzed in the four methods. Results in slope variation, double mass curve, and water balance method except rainfall-runoff relationship method are of good agreement. And the rainfall-runoff relationship, double mass curve, and slope variation method are all of great stability. The four methods and availability evaluation of them could provide a reference to quantification in the contributions of climate changes and human activities to runoff at similar basins in the future.

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