atkitchin

Combining Census Tract to Land Use

Discussion created by atkitchin on May 18, 2012
Latest reply on Jun 14, 2012 by nahmed-esristaff
Hello everybody,

Here I am again; I hope someone can help me. I have two polygon layers, one with census tracts and other with the land use. I want to combine them so as to know what area/percentage of each census tract is occupied by each land use. E.g. CT 6200345.01 = 20% commercial, 70% residential, 5% institutional, 5% industrial.
I have tried with Zonal Tabulate. It apparently works. It creates a table (which I can afterwards join to my CT polygon layer) with one column for each census tract and figures in rows for each land use. But the figures in each cell are really really small numbers, like 0.000004. I thought that those figures represented area in square meters/kilometers or whatever. But when I sum up the areas of each land use in a row, it doesn't match to the area of the census tract.
Does anybody have an idea of what I am doing wrong? or does anybody know if there is another way to perform this operation?
Thanks in advance,

Andres

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