Trend and Homogeneity in Subsurface Hydrologic Variables: Case Study in a Hard-Rock Aquifer of Western India - Hydrologic Time Series Analysis: Theory and Practice - page 169

Table 8.1. Calculated and critical test-statistic values of trend and homogeneity tests for the rainfall time series

Rainfall gauging Levene's Mann-Kendall test Spearman Rank Order Kendall Rank

station median test Correlation test Correlation test

Critical a Critical a Critical a

Calculated Calculated Calculated

Bhinder 0.11 0.10 ±1.96 0.06 1.683 -0.115 ±1.96

Dhariawad 0.11 0.36 ±1.96 0.40 1.683 -0.366 ±1.96

Girwa 0.11 0.44 ±1.96 0.47 1.683 -0.450 ±1.96

Gogunda 0.12 -0.04 ±1.96 0.05 1.683 0.052 ±1.96

Jhadol 0.12 -0.38 ±1.96 0.57 1.683 0.387 ±1.96

Kherwara 0.13 -0.48 ±1.96 0.46 1.683 0.492 ±1.96

Kotra 0.15 -0.17 ±1.96 0.16 1.683 0.178 ±1.96

-2.09 * 2.25 * 2.104 * Mavli 0.12 ±1.96 1.683 ±1.96

Salumber 0.12 -0.77 ±1.96 0.78 1.683 0.785 ±1.96

Sarada 0.12 -0.36 ±1.96 0.45 1.683 0.366 ±1.96

Note: * p < 0.05; a Critical values are at D = 0.05.

Table 8.2. Results of Levene's analysis of variance test

Source Sum of Squares (SS) Degree of freedom F-ratio

SS between rainfall stations 268,66,147 9 0.014

Residual SS 268,58,056 420 -