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Topics - Aluminium

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Arctic sea ice / Arctic energy balance
« on: May 29, 2020, 12:11:17 PM »
Estimations of energy input/output. Many factors affect the ice. It's important to determine if the factor deserves attention. Often simple calculations can help understand the order of magnitude.

1 km3 of ice is equivalent to 3*1017 J or approximately 1 Tsar Bomba.

Warm air advection.
50 km^3 per day by WAA would be extremely serious, yes. If it'd happen... You sure you got the number right?
My assumptions: 1 km x 1000 km x 5 m/s of air, 1 kJ/ (kg * °C), 1.2 kg/m3, 10°C, 10 g/m3 of water vapor, 2.3 MJ/kg. I saw warmer and wetter events. Infrared radiation provides effective interaction between snow/ice surface and wet air mass.

River discharge.
200 000 m3/s of water with 10°C may melt 2.3 km3 of ice per day or 70 km3 per month. It may be significant with high efficiency. But it's not enough to determine strong melting season.

Arctic sea ice / River ice and Discharge
« on: April 09, 2020, 02:10:19 PM »
River ice was mentioned several times and probably has some importance for the Arctic. Also it's beautiful.

For a start, the Abakan (the Yenisei basin).

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