20251125
12180800
1.0
FALSE
Marginal_Land_CrtPtsSimp10
002
Projected
GCS_North_American_1983
Linear Unit: Foot_US (0.304801)
NAD_1983_StatePlane_Colorado_Central_FIPS_0502_Feet
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150000000
5000
ItemDescription
20260320
13500200
20260320
13500200
Features, known as "marginally used land", detected using the Object Detection Tool in Image Analyst. These are areas of land that could possibly be used for urban farming or gardening - characterized by being under used open spaces throughout the study area.
Detected Marginal Land in Jefferson County
marginal land
Jefferson County Public Health
Food in Community
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Marginally used land was defined and example areas initially identified in aerial imagery by the Food in Communities team. Additional samples for model training were created and identified by the Public Health GIS Analyst.</SPAN></P><P><SPAN>Model had to be run in 3 "chunks" of aerial data area due to resource constraints. Outputs from these 3 areas were mosaiced to form 1 single image with overlap between the 3 areas (overlap created by including overlap image tiles between the 3 mosaiced areas). The full area analyzed includes the "metro" area - generally East of 470 and North of Chatfield Reservoir. Originally analyzed against 2022 aerial data because 2024 was not available at analysis start. </SPAN></P><P><SPAN /></P><P><SPAN>Object detection results where further analyzed as follows: </SPAN></P><UL><LI><P><SPAN>merge the 3 outputs into single output and erase impervious surfaces</SPAN></P></LI><LI><P><SPAN>intersect on parcels, then dissolve this result on parcel PIN number. </SPAN></P></LI><LI><P><SPAN>calculate sum marginal land area within each parcel</SPAN></P></LI><LI><P><SPAN>join this result to each of the following, using Parcel PIN number: </SPAN></P><UL><LI><P><SPAN>parks from POI layer, libraries, schools, and places of worship (all of these must first be spatially joined to Parcel)</SPAN></P></LI><LI><P><SPAN>polygon park and polygon open space layers which have assigned parcel PINs making up the park or open space area (will result in multiple parcels assigned to each park or open space)</SPAN></P></LI></UL></LI></UL><P><SPAN>Not all areas identified as marginally used land will have a park, library, school, or open space area associated with them. </SPAN></P><P><SPAN>The "source" field tells the user what, if any association exists. </SPAN></P><P><SPAN>For more information on this process contact healthdata@jeffco.us</SPAN></P><P><SPAN /></P><P><SPAN>Static dataset. Created August 2025</SPAN></P><P><SPAN>Projected to State Plane, Colorado Central FIPS0502, NAD83 (US feet)</SPAN></P><P><SPAN /></P><P><SPAN /></P></DIV></DIV></DIV>
Jefferson County Public Health, Jefferson County Assessors Office
Esri ArcGIS 13.4.0.55405
20260320
Enterprise Geodatabase Feature Class
dataset
EPSG
5.3(9.0.0)
0
Simple
FALSE
0
TRUE
FALSE
Marginal_Land_CrtPtsSimp10
Feature Class
0
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
PIN
PIN
String
13
0
0
ACRES_MARGLAND
Acres of Marginal Land
Double
8
38
8
AIN
AIN
String
13
0
0
OWNNAM
OWNNAM
String
41
0
0
OWNNAM2
OWNNAM2
String
41
0
0
OWNICO
OWNICO
String
41
0
0
DBA
DBA
String
41
0
0
PRPSTRNAM
PRPSTRNAM
String
20
0
0
PRPADDRESS
PRPADDRESS
String
49
0
0
PRPCTYNAM
PRPCTYNAM
String
40
0
0
TAXCLS
TAXCLS
String
4
0
0
VALACR
VALACR
Double
8
38
8
STTSTRC
STTSTRC
String
50
0
0
STTTYPUSE
STTTYPUSE
String
50
0
0
STTYRBLT
STTYRBLT
SmallInteger
2
5
0
STTGRSAREA
STTGRSAREA
Integer
4
10
0
TOTACTIMPV
TOTACTIMPV
Integer
4
10
0
USER_NAME
NAME
String
255
0
0
USER_STREET
STREET
String
255
0
0
USER_CITY
CITY
String
255
0
0
USER_STATE
STATE
String
255
0
0
USER_ZIP
ZIP
Double
8
38
8
USER_NOTE
Note
String
255
0
0
USER_SERVICES_TO_ATTEND_
Services To Attend?
String
255
0
0
USER_DO_ANY_LISTED_WITH_P_O__B
Do any listed with P#O# boxes seem to link to another location n
String
255
0
0
USER_IF_YES_WHAT_IS_THE_ADDRES
If yes what is the address or link?
String
255
0
0
USER_UNUSED_LAND___YES_NO_UNSU
Unused Land? (Yes/No/Unsure)
String
255
0
0
SOURCE
Source
String
255
0
0
PARK_NAME
Park Name
String
255
0
0
CORRECTION_MADE__IF_HIGHLIGHTE
Correction made (if highlighted green, then correction made is s
String
255
0
0
CITY
City
String
255
0
0
DESCRIPTION
Description
String
255
0
0
OWNER
OWNER
String
150
0
0
MANAGER
MANAGER
String
150
0
0
LAND_PRESERVATION_TYPE
LAND_PRESERVATION_TYPE
String
100
0
0
PARKINJEFFCO
Is this park in Jeffco
String
255
0
0
HASPLAYGROUND
Does this Park have a Playground
String
255
0
0
HASATHLETICFIELDSORFACILITIES
Does this park have athletic fields or facilities
String
255
0
0
HASSPECIFICPURPOSEONLY
does this park have a specific purpose only
String
255
0
0
HASGARDEN
Does this park already have a garden
String
255
0
0
HOSTFOODPRODUCTION
Can this park host food production
String
255
0
0
YOUTHSERVINGFACILITY
Is this park a youth serving facility
String
255
0
0
ADDRESS
Address
String
35
0
0
PARKCATEGORY
PARKCATEGORY
String
25
0
0
FACILITY_NAME
Facility_Name
String
150
0
0
ARTICULATION
Articulation
String
25
0
0
GRADE
Grade
String
15
0
0
USE
Use
String
50
0
0
INPOLY_FID
InPoly_FID
Integer
4
10
0
MAXSIMPTOL
MaxSimpTol
Double
8
38
8
MINSIMPTOL
MinSimpTol
Double
8
38
8
SHAPE
Shape
Geometry
8
0
0
Feature geometry.
Esri
Coordinates defining the features.
SHAPE.AREA
SHAPE.AREA
Double
0
0
0
SHAPE.LEN
SHAPE.LEN
Double
0
0
0