#power law 2 kernel, parameters for Hermiston 2002; 1st col. field aspect ratio [m]; 2nd col. R0. Field area is 0.1 ha. Spatial grid 150x150 gridpoints. Plotted as points on the dotted orange curve in Fig.4(a). 0.01 13.7858061586 0.044471 18.9333607579 0.1 21.3093687608 0.2 22.9433083898 0.5 24.3369206342 1.0 24.6734908752