Only 2% of the sun's light reaches the rainforest floor . Release to surface water from dockyard procedures; Less than 1% of sunlight reaches the forest floor . The purpose is to gain insight into what's happening beneath the surface .为了避免地表 温度波动,读数必须在地下3到5米(约10到16英尺)。 In order to avoid surface temperature swings, readings must be taken three to five meters(some 10 to 16 feet) underground.
Many of those chemicals seep into the ground or run off into surface water. 由于大量地表 植物被除去,采摘频繁,很多生态古树茶有衰老迹象。 Due to the removal of a large number of surface plants, frequent picking, many ecological ancient tea trees have signs of aging. 据估算,即使是地表 温度升高几度都足以使得两极的冰川融化. It's been calculated a few degrees' rise in the earth 's temperature would melt the polar ice caps. Some pieces of the marker stones had been broken off and sat on the ground , exposed to natural erosion. 因此,美国的染污事件证明,地下水和地表 水都有被污染的风险。 Consequently, as evidenced by the incidents of pollution in the US, there is a risk of contamination of groundwater and surface water. 由于该国地表 主要由土壤、沙砾和岩石覆盖,伊朗的建筑,将砖或土坯元素做了许多的奇妙利用。 Due to the country being mostly covered by earth , sand, and rock, Iranian architecture makes fantastic use of brick or adobe elements. 地表 水被砷污染已成为引发全球公共健康问题的原因,一项研究揭示:.Contamination of ground water by arsenic has also become a cause of global public health concern, and one study revealed. 委员会无法回答他的问题,但BoringCompany向他保证挖掘不会影响地表 。 The council couldn't answer his question, but the Boring Company assured him that the digging wouldn't impact the surface . 据信,此类行星最可能拥有岩石地表 或者海洋,成为生命进化的最佳候选环境。 Those are believed the most likely to feature rocky surfaces or oceans, and are thus considered the best candidates for life to evolve. 液态水也造成了地表 侵蚀及大洲气候的多样化,目前这是在太阳系中独一无二的过程。 Liquid water is also responsible for most of the erosion and weathering of the Earth 's continents, a process unique in the solar system today. 在晴朗的冬季夜间,地表 及上层的空气快速冷却,尤其是在高海拔地区更容易发生。 On clear winter nights, the ground and overlying air cool off rapidly, especially at high elevations. 夏季气温持续上升可能导致更频繁和更广泛的地表 融化事件,”他们写道. A continued rise in summer temperatures could lead to more frequent and extensive episodes of surface melting," they wrote. 他们还强调,特别是在裸露地表和干燥地表 ,利用超光谱图像能取得很好的效果。 They also highlighted the use of hyperspectral images to achieve good results, especially on bare and dry surfaces . 冰山一角:尽管只有800立方米显露于地表 ,但“猫石”(PierreFéline)的总体体积却有3000立方米. Tip of the iceberg: only 800 metres cubed extend above ground , but the total volume of the Pierre Féline is 3,000 metres cubed. 在冬季,特别是在北方地区,室外温度往往低于零,地表 温度可能较低。 In winter, especially in the northern regions, the outdoor temperature is often below zero, and the surface temperature may be lower.
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