A fishnet-constrained land use mix index derived from remotely sensed data

Figures & data

Figure 1. Land use patterns in the contiguous United States. Data are obtained from NLCD 2006.

Colours were defined according to the NLCD 2006 legend.

Figure 2. Fishnet in East Baton Rouge County, Louisiana.

Figure 3. Entropy index standardized Z-score at county level by (a) original method and (b) fishnet method.

Figure 4. Differences in land use mix (LUM) index at county level by comparing the fishnet method with the traditional method.

Table 1. Ordinary least square models on obesity rate at the county level.

	No mix variable		Original		Fishnet
Variables	β	t	β	t	β	t
Constant	23.26	154.211	22.78	125.78	23.70	125.17
Population density	−0.0003 ***	−6.11	−0.0003 ***	−7.55	−0.0002 **	−5.09
Race heterogeneity	−2.42 ***	−7.74	−2.84 ***	−878	−2.21 ***	−7.00
Poverty rate	0.31 ***	32.39	0.33 ***	32.39	0.305	30.69
Original (Z)			1.81 ***	4.82
Fishnet (Z)					−1.16 *	−3.81
Adjusted R^2	0.270		0.276		0.273

***p ≤ 0.001, **p ≤ 0.01, *p ≤ 0.05.

Figure 5. LUM index from different sizes of fishnet: (a) 500 m; (b) 1 km; (c) 2 km; and (d) 4 km.