Variables

Mean

Std. Dev.

Std. Error

Count

Min.

Max.

1977 Elevation, m

51.9

2.61

0.19

190

47.6

57.2

2017 DEM, m

136

2.76

0.2

190

132

141.3

2017 DTW > 4 ha, m

6.3

4.1

29.5

190

0.47

12.6

1977 Silt %

45.4

2.65

0.19

190

37.7

50.8

1977 Elevation Analysis

Regression Variables

Coeff.

Std. Error

t-Value

p-Value

A: R² = 0.991; RMSE = 0.249 m

Intercept

−76.1

0.892

−85.3

<0.0001

2017 DEM, m

0.941

0.007

143.5

<0.0001

B: R² = 0.990; RMSE = 0.213 m

Intercept

−84.9

1.302

−65.3

<0.0001

2017 DEM, m

1.009

0.01

102.7

<0.0001

2017 DTW > 4 ha, m

−0.056

0.007

−8.4

<0.0001

C: R² = 0.995; RMSE = 0.190 m

Intercept

−81.7

1.2

−65.6

<0.0001

LiDAR DEM, m

1.002

0.009

113.7

<0.0001

2017 DTW > 4 ha, m

−0.07

0.006

−11.2

<0.0001

Silt, %

−0.047

0.007

−7.1

<0.0001

D: C Residuals: R² = 0.252; RMSE = 0.162 m

Intercept

−0.17

0.03

−5.6

<0.0001

2017 Slope %, focal 5 m circle mean

0.039

0.006

6.6

<0.0001

TPI: 2017 DEM - mean 25 m 2017 DEM annulus

−0.35

0.06

−5.7

<0.0001