The Surface Runoff change main depends on precipitation change.

径流量的变化主要取决于流域降水量的变化。

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So further study on model of influence of human activities on river runoff change and simulation in different regions is necessary.

所以人类活动因素影响下河流径流量变化模型及模拟还有待于针对不同地域、不同时空尺度做进一步的深化研究。

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Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.

其他对于大堡礁及其生态系统的环境压力来自径流的水质问题，伴随着大规模珊瑚白化的气候变化以及棘冠海星的周期性爆发现象。

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"The continued use of government-sponsored violence in Zimbabwe, including unwarranted arrests and intimidation of opposition figures, to prevent the Movement for Democratic Change from campaigning freely ahead of the June 27 presidential runoff election is deplorable, " Bush said in a statement released by the U.S. Embassy in neighboring South Africa.

CNN: Bush condemns intimidation tactics in Zimbabwe

Jordan's Second National Communication (SNC) report to the United Nations Framework Convention on Climate Change (UNFCCC) released in 2009, rising temperatures will lead to a decrease in surface runoff.

UNESCO: OFFICE IN AMMAN