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2507 Yukon river, Canada by Keith Williams

Bruce 发表于 2025-7-22 12:43:04 [显示全部楼层] 只看大图 回帖奖励 阅读模式 关闭右栏 6 181
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2507 Yukon river, Canada by Keith Williams.jpg


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Bruce 发表于 2025-7-25 09:34:11
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

The sun is hung in the low sky far away from our sight. As far as we can extend in the horizon, there are countless clouds which seem to be burnt by the hot sun. However, it is sunset time, and the sun is not as scorching as the noon sun. More likely, the clouds seem warm and comfortable under the sunlight. These clouds are like some red cottons, scattered carelessly in the blue sky. The moisture mist over the water surface is likely to create a fancy image against the warm sun.
Bruce 发表于 2025-7-25 10:00:31
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

This is an image showing a lake under sunset time. When we extend our eyesight to the horizon far away, we can feel the chilly air being warmed by the sunlight. Especially the clouds hung in the high sky were reflected into orange color, which works like a warmful cover over the lake.
Bruce 发表于 2025-7-25 11:40:12
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

This breathtaking photograph captures a ​​serene yet dramatic winter landscape​​ at either sunrise or sunset, where nature’s contrasts—warm light against icy stillness—create a scene of sublime beauty. Here’s a detailed breakdown:

​​1. The Sun & Sky​​
A ​​vibrant sun​​, partially veiled by distant snow-capped mountains, bathes the scene in golden-orange hues. Its reflection shimmers across the water, amplifying the warmth.
The ​​sky​​ is a masterpiece of textures: a sea of small, fluffy altocumulus clouds stretches endlessly, transitioning from bright white (near the sun) to soft pastel yellows and blues. This gradient suggests crisp, cold air typical of winter mornings.
​​2. The Frozen Landscape​​
​​Foreground​​: A pristine ​​(adj.整洁的,崭新的;未受损害的,处于原始状态的;正派的,正直的) snowbank​​ anchors the composition, its untouched whiteness contrasting with the dynamic elements beyond.
​​Mid-ground​​: A ​​partially frozen body of water​​ (likely a lake or slow-moving river) dominates. Dark, glassy patches (n.补丁;斑块(patch 的复数);修补程序) suggest thin ice or open water, while ​​wisps (n 小捆;小束) of mist​​ rise like ghosts, glowing in the sunlight. This ethereal effect hints at a sharp temperature difference between air and water.
​​Background​​: ​​Snow-dusted mountains​​ frame the horizon, their jagged (adj. 锯齿状的;参差不齐的) peaks softened by distance and light.
​​3. Color & Mood​​
​​Warm vs. Cool​​: The fiery (adj. 燃烧的,充满火焰的;火红的,血红的;易怒的,暴躁的;怒气冲冲的,充满激情的;(食物或饮料)辣的) sun and golden clouds clash poetically with the cool blues of the sky and shadows on the snow. This contrast evokes both tranquility (n. 宁静,安宁) and quiet drama.
​​Seasonal Atmosphere​​: The low-hanging sun, lingering mist, and crystalline snow suggest ​​deep winter​​—possibly in a northern region like Scandinavia, the Alps, or Canada’s wilderness.
​​4. Composition & Technique​​
​​Panoramic (adj. 全景的,远景的) framing​​ emphasizes the vastness of the landscape. The sun is placed slightly left of center, guiding the eye across the water to the cloud-filled sky.
​​Natural Silence​​: The absence of human traces (no footprints, structures) heightens the sense of isolation and untouched beauty.
​​Why It’s Captivating​​
This image feels like a pause in time—where cold and warmth, stillness and movement, light and shadow coexist. It might evoke emotions of solitude (n. 独居,独处,孤独;偏僻的地方,无人居住的地方), renewal, or awe at nature’s quiet grandeur (n. 壮丽,雄伟;(社会地位的)高贵).

Fun detail: The mist’s delicate curls resemble brushstrokes (n. 一笔;笔的一划;绘画技巧), making the scene look almost like a traditional Chinese ink painting—but with a photorealistic (adj. 照相写实主义的;超级现实主义的) winter palette!
Bruce 发表于 2025-7-25 11:41:19
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

Sublime
of such excellence, grandeur, or beauty as to inspire great admiration or awe
崇高的,壮丽的,令人赞叹的;极端的,十足的
v.
(化)升华;使升华;<古>使变得崇高(或高尚),使变得出众
n.
崇高的事物,壮丽的景象,绝妙的东西(the sublime);顶点(the sublime)
Bruce 发表于 2025-7-25 11:56:59
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

The mist in this breathtaking sunrise scene is a beautiful example of ​​radiation fog​​—a natural phenomenon where physics and meteorology create ephemeral magic. Here’s the science behind it, broken down:

​​1. How the Mist Forms: A Temperature Dance​​
​​Warm Water, Cold Air​​: At night, the lake/river (having absorbed heat during the day) stays warmer than the rapidly cooling air above it. This temperature difference is key.
​​Evaporation → Condensation​​: The warm water surface continuously evaporates, releasing invisible water vapor into the air. When this moist air meets the colder layer above, the vapor condenses into tiny liquid droplets—forming fog.
​​Calm Conditions​​: The stillness of dawn (no wind to disperse the fog) lets the mist linger and thicken, creating that dreamy, "floating" effect.
​​2. Why It Glows in Sunrise Light​​
​​Tyndall Effect​​: The mist’s whitish glow is due to sunlight scattering off the tiny water droplets (similar to how milk looks white). At sunrise, low-angle light amplifies this, turning the fog into a luminous blanket.
​​Adiabatic Cooling​​: As the fog rises slightly, it expands and cools further, sometimes creating layered wisps (as seen in your photo).
​​3. Seasonal & Geographic Clues​​
​​Winter/Spring Mornings​​: Common in valleys or near water bodies when ground temperatures drop sharply overnight (e.g., mountain lakes, Nordic fjords).
​​Snow-Capped Mountains​​: The surrounding snow (visible in your photo) accelerates air cooling, reinforcing the fog’s formation.
​​Bonus: Folklore vs. Science​​
While ancient cultures might call this "dragon’s breath" or "spirit mist," it’s a perfect demonstration of ​​phase changes​​ (water vapor → liquid) and ​​heat transfer​​—fundamental concepts in thermodynamics!
Bruce 发表于 2025-7-25 12:07:08
青岛市-城阳区 青岛通力包装制品有限公司 外贸部经理

Bruce 发表于 2025-7-25 11:40
This breathtaking photograph captures a ​​serene yet dramatic winter landscape​​ at either sunri ...

altocumulus  
n.
[气象] 高积云
复数altocumuli
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