Abstract
Abstract. Land cover change is critical to be monitored as land cover change has significant impacts on flooding, ground water recharge, and urban air temperature. In this paper, key findings from a land cover change analysis study performed in the State of California are presented. National Land Cover Database (NLCD) data from the Multi-Resolution Land Characteristics Consortium (MRLC) was used for this study. Time series of NLCD data during the time period of 2001 through 2016 was used for the analysis. NLCD data processing was done in ArcMap 10.6.1. This paper includes the methodology in detail, and the results of the analysis. Results of the study indicate a significant increase in impervious surfaces, and a significant decrease in forest land cover.
Highlights
Urbanization has been accompanied by abundant increase of built surfaces, and decrease in vegetated surfaces (Kondoh and Nishiyama, 2000)
The impacts of land cover changes include the following: reduced evapotranspiration due to decrease in vegetation (Peterson et al, 1995; Dow and DeWalle, 2000), increased urban air temperatures due to increase in built surfaces and decrease in vegetation (Landsberg, 1981; Akbari et al, 2001), formation of the urban heat island (UHI) (Oke, 1987; Grimmond and Oke, 1995)
STUDY AREA AND DATA 2.1 Study Area State of California was used as the study area for the land cover change analysis
Summary
Urbanization has been accompanied by abundant increase of built surfaces, and decrease in vegetated surfaces (Kondoh and Nishiyama, 2000). Land Cover change analysis serves as a great means to understand impacts of urbanization, and provides an estimate of the percent increase or decrease in the areal extent of built surfaces and vegetated areas. The impacts of land cover changes include the following: reduced evapotranspiration due to decrease in vegetation (Peterson et al, 1995; Dow and DeWalle, 2000), increased urban air temperatures due to increase in built surfaces and decrease in vegetation (Landsberg, 1981; Akbari et al, 2001), formation of the urban heat island (UHI) (Oke, 1987; Grimmond and Oke, 1995). 2. STUDY AREA AND DATA 2.1 Study Area State of California was used as the study area for the land cover change analysis.
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