Number of marine and land-based sources,including shipping and land run-off.
对水文系统(径流、水床、流域、水库、沿岸地带)的预计影响;.
Expected effects on the hydrological system(run-off, water table, watershed, reservoir, riparian zone);
砍伐森林和土地不适当使用也可能导致在降雨中增加径流。
Deforestation andimproper land use practices can lead to increased run-off during rains.
融雪和径流的季节循环变化与气候变化中春天提前到来的事实相一致。
Changes in seasonal cycles of snowmelt and runoff align with the fact that spring is coming earlier in a changing climate.
他说,焦点已经“向河流转移”以及未来几天它们如何能够吸收径流。
The focus has“shifted toward the rivers” andhow they're able to absorb runoff in the coming days, he said.
如果下水道系统是一个综合下水道,那么它也会将城市径流(雨水)带到污水处理厂。
If the sewer system is a combined sewerthen it will also carry urban runoff(stormwater) to the sewage treatment plant.
大部分破坏都通过引水,人口压力造成的人类,和农业径流。
Much of the damage has been caused by humans through water diversion, population pressures,and agricultural run-off.
在一些河流流域和地区,降雨和径流的波动可达以前记录数字的5至10倍。
In some river basins and regions, the fluctuation of rainfall and runoff can be 5 to 10 times greater than previously recorded.
其中一些项目将会找到他们的方法,让农民做好工作,减少径流。
Some of those programs will find their way through to farmers doinggood work on the ground to try to reduce run-off.
我们与农民合作,以优化使用化肥和其他投入的最大化产量,减少径流和保护集水区。
We work with farmers to optimize use of fertilizer and other inputs to maximize yields,reduce runoff and protect watersheds.
减少水土流失、径流和沉积的NFM措施也有助于改善水质,从而改善生境。
NFM measures that reduce soil erosion, run-off and sedimentation also help to improve water quality and thereby also improve habitats.
整合所有这些在不同的时间尺度上的模型显然是必要的,如果我们真的要更有效地预测径流。
Models integrating all these on various time scales areclearly needed if we really want to predict runoff for more efficiently.
陆上活动造成的污染包括城市、工业和农业废物和径流以及大气沉降。
Pollution from land-based activities includes municipal,industrial and agricultural wastes and run-off, as well as atmospheric deposition.
在这种情况下,石堤构成半渗透的屏障,在收集沉积物的同时便于过多的径流通过。
In this situation the stone bunds present asemi-permeable barrier which allows the passage of excess run-off while trapping sediments.
Mearnsii,减少地表径流,减少保水能力,造成估计每年280万美元的经济损失。
Mearnsii in South Africa reduce surface runoff and decrease water ability, causing an estimated annual economic loss of$US 2.8 million.
这可能对地下水供应,粮食生产和安全,雨水径流,生物多样性和生态系统产生严重影响。
And that could have serious implications for groundwater supplies, food production and security,stormwater runoff, biodiversity, and ecosystems.
在加勒比,各国都在改善对流域以及最终对沿海地区的综合管理,措施包括减少农药径流。
In the Caribbean, countries are improving their integrated management of watersheds and, ultimately, coastal areas,including by reducing pesticide run-off.
这项研究是第一个连续的,冰盖融化和径流的多世纪分析,全球海平面上升的最大推动力之一。
The research is the first continuous,multi-century analysis of melting and runoff on the ice sheet, one of the largest drivers of sea level rise….
但是,就像全球的珊瑚礁一样,它们面临着一系列的环境威胁,从热致漂白和疾病到污染径流和过度捕捞。
But like reefs around the globe, they face a slew of environmental threats,from heat-induced bleaching and disease to pollution runoff and overfishing.
土地覆盖变化包括生物多样性、现实的和潜在的原有生产率、土壤质量以及径流和沉积速度中的种种变化。
Land cover change is associated with changes in biotic diversity, actual and potential primary productivity,soil quality, and runoff and sedimentation rates.
虽然对自然和人类社区至关重要,但淡水受到无数势力的威胁,包括过度开发,污染径流和全球变暖。
Although critical to natural and human communities, fresh water is threatened by a myriad of forces including overdevelopment,polluted runoff and global warming.
它没有包括沃格特所确定的成本:化肥径流、流域退化、土壤侵蚀和压实,以及杀虫剂和抗生素的过度使用。
It doesn't include the sort of costs identified by Vogt:fertilizer runoff, watershed degradation, soil erosion and compaction, and pesticide and antibiotic overuse.
科学家们认为更多地利用非常规替代性水源,包括城市污水和农业径流(如果处理得当)可以缓解这种竞争。
Greater use of non-conventional, alternative sources of water-including the urban effluent and farm-runoff- can help mitigate this competition, if properly treated.
南部欧洲将会受到土壤湿度和径流减少的影响,极端气候现象会增加,这会带来消极后果,特别是水土流失。
Southern Europe willbe affected by a reduction in soil humidity and runoff, and an increase in extreme phenomena, which will have adverse consequences, especially for erosion.
相反,少耕-也被称为保护性耕作-促进更健康的土壤管理,减少侵蚀和径流,改善水保持和排水。
In contrast, reduced tillage- also known as conservation tillage- promotes healthier soil management,reduces erosion and runoff and improves water retention and drainage.
近年来,长江受到工业污染、农业径流、河沙淤积、湿地和湖泊减少的威胁,因而加剧季节性洪水的发生。
In recent years, the river has suffered from industrial pollution, plastic pollution,agricultural run-off, siltation, and loss of wetland and lakes, which exacerbates seasonal flooding.
These sources include agricultural runoff, unpermitted urban runoff, abandoned mine drainage, failing onsite disposal systems, and pollution caused by changes to natural stream channels.
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