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Parks Operations and Planning administrator for the city. ' The handbook has a separate <br /> map and best management practice description page for each park and maintains <br /> continuity over all the parks ." <br /> - Prior to the Sensitive Area Management Handbook, most existing park maps were sketches , <br /> outdated master plans , or simple parcel boundaries . The sensitive area study had to create <br /> both basemap features and an overlay of environmentally sensitive areas . To do this a <br /> combination of existing citywide shapefiles, aerial photography, and field data was used . <br /> When it came time to choose GIS software , the city took many factors into account. <br /> Consequently , to help prepare the handbook , the city chose ArcView as the best platform <br /> to combine existing spatial files with new files and data collected using GPS . The study team <br /> used georeferenced digital orthophotography as a base to create new shapefiles for major <br /> park features such as paths , parking lots , and buildings . Features that were not identifiable <br /> on photographs because of object size , tree cover, or age of the photograph were located <br /> and mapped in the field using GPS . <br /> Teams composed of two park staff members used a Trimble GPS Pathfinder system , with <br /> submeter accuracy, to collect field data at each city park. During these same visits , GPS <br /> was used to delineate sensitive features such as the drip lines of native tree stands, edges of <br /> wetlands , springs , and the tops of banks for creeks and rivers . The field data was then <br /> converted to ArcView shapefile format and used with the city' s existing shapefiles to create <br /> accurate base maps for each park . <br /> v <br /> HISTORIGA AS KSEE .' <br /> s � <br /> V?kl, <br /> F <br /> Ell A, <br /> HT <br /> NOT <br /> Fa <br /> SENSITIVE - y� <br /> WILLAMETTE <br /> JNIVERSITY � <br /> S'E OREGONINHIT OP Z <br /> yT ��.. ICAMI <br /> �� . OOOGL0.5 FI <br /> FHOEI <br /> OYEGC'N <br /> ' RITE W <br /> q r\ <br /> NOT <br /> SENSITIVE - <br /> LEGENC SENSITIVE ARES$ <br /> ArmAd &• �.un.nnv ZHEIwereOAK <br /> EA, I-A HOT KENAI" VE <br /> & L AMETTEU4VERI <br /> " �� BUSH ' S PASTURE <br /> 233 <br /> GIS Needs Assessment and Implementation Plan Chapter 1 - Departmental GIS Needs Assessment <br />