India 's capital has come to rely for half its water on dams in the himalaya range that capture monsoon runoff .
印度首都的一半用水依赖大坝截流喜马拉雅山脉周围的季风径流。
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 .
Coastal environments are especially challenging because sediment , river runoff full of organic matter , and complex currents , can also change the reflection in the sunglint area .
In mountainous areas , officials need accurate reports of snowpack depth to assess the threat of avalanches or floods , and to anticipate the amount of water available from spring and summer runoff .
在山区,官员需要准确的积雪深度报告来评估雪崩或洪水的威胁,并预估从春季和夏季径流可用的水总量。
A similar , and often more acute , challenge faces more than 1 billion city-dwellers in other parts of the world who rely on glacial runoff for their water .
同样的也通常是更为紧迫的一个挑战就是世界其他地区有10亿多的城市人口依赖冰山径流提供饮用水。
Because the majority of the runoff that fosters the dead zone enters the river farther upstream , this would require the involvement of states that are far from the gulf , setting up significant jurisdictional and political hurdles .
因为形成死区的大部分径流会流向上游的河流,这就需要远离海湾的各州参与,设置重要的司法和政治篱笆。
There was scientific proof that these chemicals were making their way into the nation 's drinking water through street and farm runoff , leakages from underground disposal tanks , and factory waste .
A year after its creation , a federal-state working group on wednesday released a preliminary strategy for addressing long-term environmental problems along the gulf coast , including the disappearance of wetlands and a seasonal dead zone caused by runoff from the mississippi into the gulf of mexico .
The smart way to protect against nitrogen runoff is to reduce synthetic fertilizer applications with taxes , regulations , and cuts in farm subsidies , but not try to go all the way to zero as required by the official organic standard .