The ammonia clouds float at a higher altitude than the missing brown clouds, obscuring them from view.
此图像反映，氨冰云漂浮的高度比失踪的棕色云层要高。
Atmospheric brown clouds are made up mostly of soot - suspended carbon particles - produced by people burning biomass and fossil fuels.
大气棕色云主要是由人们燃烧生物质和化石燃料产生的炭黑(悬浮的碳颗粒)组成的。
The theory was that 'brown clouds' were cooling the lower atmosphere and therefore masking some of the warming effects of greenhouse gases.
有一种理论认为“棕色云”让低层大气变冷，从而掩盖了温室气体的一些致暖效应。
Astronomers say they're simply being obscured by white clouds of ammonia ice, which float at higher altitudes than the belt's prominent brown clouds.
包含南赤道带的木星云就不见了，天文学家说，云层它们只是被氨冰组成的白云所遮盖，漂浮在高于明显、带状棕色的云层的空间里。
These are some of the reasons why, though the black carbon in brown clouds has a warming effect, the clouds' net effect is to cool the planet beneath them.
这就是为什么尽管褐云中的黑碳会产生变暖的效应，但这些云的净影响是冷却云下面的地球。这是一部分原因。
Brown clouds of pollution that stretch over the Indian Ocean during the dry season are warming the climate just as much as greenhouse gases, say scientists.
科学家说，旱季覆盖在印度洋上空的棕色污染云导致气候变暖的程度和温室气体相当。
A scientific team in California used unmanned aircraft to measure heat in the atmosphere above the Indian Ocean, a part of Asia often blanketed by brown clouds of man-made pollution.
在加利福尼亚州的一支科学考察队利用无人驾驶的航空器来测量印度洋上空大气层中的热度。亚洲的这一部分常常被人为污染所形成的褐色云层所笼罩。
They say the brown clouds have most likely contributed to the increase in air temperature in the region, which in turn is in part responsible for the observed melting and receding of glaciers.
他们说棕色云非常可能已经对该地区气温升高有了贡献，因此也就对观察到的冰川融化和退缩负有部分责任。
Soon after coining the term “Asian brown cloud”, Dr Ramanathan realised there were similar if less intense clouds over parts of Africa and elsewhere;
当“亚洲棕色云”出现后，Ramanathan博士意识到如果较稀薄的云漂浮在非洲和其他地区上空，则情形也是类似的；
It is a Brown colour with darker veins crossing the surface to form clouds. This product is characterized by its great homogeneity.
整体呈咖啡色，深色的纹理勾勒出云朵状图形，该石材的最大的特点是板面非常均匀统一。
Soon after coining the term "Asian brown cloud", Dr Ramanathan realised there were similar if less intense clouds over parts of Africa and elsewhere;
在提出“亚洲褐云”这个术语后不久，拉马纳坦博士就意识到非洲和其他部分地方也有类似的褐云，只不过强度没那么大；
Soon after coining the term "Asian brown cloud", Dr Ramanathan realised there were similar if less intense clouds over parts of Africa and elsewhere;
在提出“亚洲褐云”这个术语后不久，拉马纳坦博士就意识到非洲和其他部分地方也有类似的褐云，只不过强度没那么大；
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