Philadelphia land cover change data, 1970-2010: 2nd edition

These data represent land cover change in Philadelphia, Pennsylvania over 40 years, with land cover visually interpreted from aerial imagery in 1970, 1980, 1990, and 2000. Land cover classes were tree/shrub, herbaceous, other pervious, building, and other impervious at 10,000 random points. R code for visualization of transitions and multinomial logistic regression is also included.Many cities in the United States and around the world have been assessing trends in urban tree canopy cover, and many municipal leaders have set goals for tree cover levels. However, there is a need for greater understanding of the socioecological dynamics of tree cover change over many decades, including varied trends within a city. These land cover change data were collected to assess the rates and drivers of tree cover change, using Philadelphia to investigate the processes of tree cover change in a post-industrial city.For more information about these data, see Roman et al. (2021; https://doi.org/10.3390/land10040403). For more information about the analysis of these data, see Locke et al. (2023). The first edition of these data (https://doi.org/10.2737/RDS-2021-0033) was made available on 04/09/2021. This second edition (https://doi.org/10.2737/RDS-2021-0033-2) was made available on 04/07/2023 and includes the data from the first edition in addition to the R code for visualization of transitions and multinomial logistic regression.