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Colors of thermal pools at Yellowstone National Park

机译：黄石国家公园温泉池的颜色

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The brilliant visible colors of various hot springs and pools in Yellowstone National Park are explained with a combination of scattering from the water and from microbial mats that coat the bottoms of these thermal features. A simple 1D radiative transfer model was used to simulate the colors recorded in visible photographs and the spectrum of light making up these colors. The model includes attenuation in water by absorption and molecular scattering as well as reflection characteristics of the microbial mats and surface reflection of the water. Pool geometries are simulated as simple rough cones scaled to have depths and widths that match published data. Thermal images are also used to record the spatial distribution of water skin temperature. The measurements and simulations confirm that colors observed from shallow-water features arise primarily from the spectral properties of the microbial mat, which is related to the water temperature, while colors observed from deeper water arise primarily from the wavelength-dependent absorption and scattering in the water. (C) 2014 Optical Society of America
机译：黄石国家公园各种温泉和泳池的鲜明可见色彩是通过将水和覆盖这些热力特征底部的微生物垫的散射结合起来加以说明的。一个简单的一维辐射传递模型用于模拟可见照片中记录的颜色以及构成这些颜色的光谱。该模型包括通过吸收和分子散射在水中的衰减以及微生物垫的反射特性和水的表面反射。池的几何形状被模拟为简单的粗锥，其缩放比例使其深度和宽度与发布的数据相匹配。热图像还用于记录水皮肤温度的空间分布。测量和模拟结果证实，从浅水特征观察到的颜色主要来自微生物垫的光谱特性，这与水温有关，而从深水观察到的颜色主要来自波长相关的吸收和散射。水。 （C）2014年美国眼镜学会

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