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IceCube system 

Description

The proposed system measures the specific surface area (SSA) of snow from its hemispherical infrared reflectance at 1310 nm (See Gallet et al。, (2009) The Cryosphere, 3(2), 167-182 for further details)。 IceCube allows the rapid measurement of snow SSA, with an accuracy of 10 % and is simple to operate in harsh polar conditions。

The system is composed of the following elements:

                    ·  The IceCube sensor, including in particular a 6-inches integrating sphere, a 1310 nm laser diode, an InGaAs photodiode and an autonomous power source;

                    ·  A sampling kit, including a sampler, a sharp stainless steel spatula, brushes, and two sample cups;

                    ·  A set of 6 calibrated reflectance standards;

                    ·  Dedicated conversion software to obtain specific surface area information from raw data。 IceCube is powered by default with NiMH batteries, which are adapted to alpine conditions. As an option, you can opt for cold-resistant batteries, allowing day-long autonomy in polar weather. The following are optional accessories:

                                                ·  Foamed carrying case – protect your IceCube during shipping and storage;

                                                ·  Additional sampler。 Fig 1. Working principle of the IceCube

   

 


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