Table 10 Equation for the relationship between light intensity and illuminance values at different snow densities.

From: Effects of snow cover on urban light climate environment in the high latitudes of northeast China

Snow density/g/cm3

Equation

R2

Rate of change Lux/w

0.01

Y = 1.557x + 67.142

0.994a

1.557

0.02

Y = 1.746x + 96.259

0.991a

1.746

0.03

Y = 1.990x + 118.182

0.992a

1.990

0.04

Y = 2.161x + 135.480

0.990a

2.161

0.05

Y = 2.245x + 157.194

0.987a

2.245

0.06

Y = 2.280x + 163.266

0.984a

2.280

0.07

Y = 2.305x + 174.045

0.985a

2.305

0.08

Y = 2.322x + 177.368

0.987a

2.322

0.09

Y = 2.338x + 184.710

0.986a

2.338

0.10

Y = 2.375x + 188.588

0.985a

2.375

  1. aThe significance level of the difference in means is 0.01.