Tables at a glance

Table 1

Table 2

Table 3

Table 4

Table 5

Table 6

Table 7

Figures at a glance

Comments

Figure 1

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Figure 2

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Figure 3

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Figure 4

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Figure 5

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Figure 6

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Figure 7

Table 1

Year	Las Vegas City	Residential North
1984	0,240437503	0,151226618
1985	0,264341069	0,157865360
1986	0,271480118	0,155998180
1987	0,289065099	0,169213765
1988	0,282803632	0,210600120
1989	0,286535270	0,213982186
1991	0,303956828	0,219973707
1991	0,298541690	0,225406972
1992	0,301994751	0,214975264
1993	0,293683986	0,208605453
1994	0,304328745	0,221313177
1995	0,298240329	0,212630331
1996	0,309779114	0,222464495
1997	0,284870821	0,225816809
1998	0,291493024	0,223026329
1999	0,296067339	0,238731572
2000	0,304491317	0,246826836
2001	0,311488540	0,254509105
2002	0,314104190	0,259835794
2003	0,299101833	0,263285485
2004	0,299139369	0,249477866
2005	0,296761075	0,237934169
2006	0,305053585	0,250044464
2007	0,301298833	0,256201407
2008	0,314321877	0,261825498

Table 1: The quantization error in the SOM output (SOM-QE) as a function of the image year and geographic ROI

Table 2

Fit Parameter	Las Vegas City	Residential North
Slope (b1)	1,554	40,331
Intercept (b0)	-28,077	-78,286
r2	0,4776	0,7995

Table 2: Goodness of the linear fits to SOM-QE distributions for each geographical ROI

Table 3

Linear Regression	Las Vegas City	Residential North
t	88,98	33,45
df	(1, 24)	(1, 24)
p	<.001	<.001

Table 3: Linear regression statistics with Studentʹs t, degrees of freedom (df) and probability limits (p) for each geographical ROI

Table 4

Year	Visitors (in millions)	Population (in K)
1984	12,8000	191,0000
1985	14,2000	197,0000
1986	15,2000	204,0000
1987	16,2000	226,0000
1988	17,2000	240,0000
1989	18,1000	266,0000
1991	20,9000	276,0000
1991	21,3000	298,0000
1992	21,9000	310,0000
1993	23,5000	330,0000
1994	28,2000	352,0000
1995	29,0000	374,0000
1996	29,6000	406,0000
1997	30,4000	423,0000
1998	30,6000	448,0000
1999	33,8000	466,0000
2000	35,8000	483,0000
2001	35,0000	506,0000
2002	35,0000	521,0000
2003	35,5000	535,0000
2004	37,3000	560,0000
2005	38,6000	576,0000
2006	38,3000	592,0000
2007	37,5000	603,0000
2008	39,5000	608,0000

Table 4: Visitor and population statistics for Greater Las Vegas across the years of the study period

Table 5

Fit Parameter	Visitors	Population
Slope (b1)	1,1828	19,0723
Intercept (b0)	-2,333	-3766
r2	0,9657	0,9955

Table 5: Goodness of the linear fits to visitor and population statistics

Table 6

Linear Regression	Visitors	Population
t	15,70	14,20
df	(1, 24)	(1, 24)
p	<.001	<.001

Table 6: Linear regression statistics with Studentʹs t, degrees of freedom (df) and probability limits (p) for visitor and population statistics

Table 7

	SOM-QE Residential North vs Population	SOM-QE Las Vegas City vs Visitors
R	15,70	14,20
df	(1, 24)	(1, 24)
p	<.001	<.001

Table 7: Correlation statistics with Pearson coefficients R and the associated df and probability limits p

FIGURE 1

Figure 1: Consequences of human activity on urban development and natural resources

FIGURE 2

Figure 2: SOM [33] prototype with sixteen model neurons in a fully connected functional architecture

FIGURE 3

Figure 3: Satellite image examples showing the residential North of Las Vegas in 1984 and 2008

FIGURE 4

Figure 4: Linear fits to SOM-QE trends as a function of the image year and ROI

FIGURE 5

Figure 5: Linear fits to visitor (top) and population (bottom) statistics for Greater Las Vegas

FIGURE 6

Figure 6: Correlations between SOM-QE and population (top) and visitor (bottom) statistics

FIGURE 7

Figure 7: Economic growth vs water availability (University of Nevadaʹs Center for Gaming Research Annual Statistics and US Department of Interiorʹs Bureau of Reclamation Hoover Dam Control Room statistics for the years 1984-2008)