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9/22/05
TASK: Create final overlay land use/cover/ownership
FINAL COVER: lc_esu_landuse
FINAL ITEM: FINAL_DES
BASE LAYERS:
Public Ownership
(from the state GIS service center)
USGS landcover
(base grid from: http://landcover.usgs.gov/prodescription.asp)
ZONING
(from the state GIS service center)
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NOTE: All coverages were first clipped to the Lower Columbia Recovery Domain area
OWNERSHIP: STEP 1 RECLASS
RECLASSED AS:
USFS 1
BLM 2
Other Federal 3
State 4
Private 5
Tribal 6
Other 7
OWN_CODE OWN_DES Dissolve to:
1 Bonneville Power Administration 3
2 Bureau of Indian Affairs 6
3 Bureau of Land Management 2
4 Bureau of Reclamation 3
5 Department of Defense 3
6 Federal Aviation Administration 3
7 Federal Energy Regulatory Commission 3
8 General Services Administration 3
9 Indian Allotment Fee 6
10 Indian Allotment Trust 6
11 Local Government 7
12 National Park Service 3
13 Oregon Department of Fish and Wildlife 4
14 Oregon Department of Forestry 4
15 Oregon Division of State Lands 4
16 Oregon Parks and Recreation Department 4
17 Private 5
18 State 4
19 Undetermined 7
20 United States Coast Guard 3
21 United States Corps of Engineers 3
22 United States Department of Agriculture(non usfs) 3
23 United States Fish and Wildlife Service 3
24 United States Forest Service 1
OWNERSHIP: STEP 2 RECLASS
CLASSED AS:
Federal 1
State 2
Private 3
Other 4
GEN_OWN_DES DISSOLVE
BLM 1
USFS 1
STATE 2
TRIBAL 4
OTHER FEDERAL 1
PRIVATE 3
OTHER 4
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USGS Landcover
CLASSED AS:
ag 1
urban 2
forest 3
other 4
wetlands 5
mining 6
shrubland 7
Original USGS Class: DISSOLVE to:
water
11 open water 4
12 perennial ice/snow 4
developed
21 low intensity residential 2
22 high intensity residential 2
23 commercial/industrial/transportion 2
barren
31 bare rock/sand/clay 4
32 quarries/strip mines/gravel pits 6
33 transitional 3
forested upland
41 deciduous forest 3
42 evergreen forest 3
43 mixed forest 3
shrubland
51 shrubland 7
non-natural woody
61 orchards/vineyards/other 1
herbaceous upland
71 grasslands/herbaceous 1
herbaceous planted/cultivated
81 pasture/hay 1
82 row crops 1
83 small grains 1
84 fallow 1
85 urban/recreational grasses 2
wetlands
91 woody wetlands 5
92 emergent herbaceous wetlands 5
NOTE: The original USGS data was a 30m grid. The grid was converted to a polygon coverage and then reclassed (see above). *****************************************************************************
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Zoning
Classed as:
AG 1
URBAN 2
OTHER 3
LAND_USE Description DISSOLVE
Urban 2
Rural Industrial 2
Rural Commercial 2
Rural Residential 2
Rural Service Center 2
Public Facility 2
Non Resource 3
Mixed Ag and RR 1
Agriculture 1
Forestry 3
Natural Resource 3
Park and Recreation 3
Indian Reservation 3
Water 3
Coastal 3
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STEP 1 ... Combine the data:
UNION the OWNERSHIP, ZONING, and USGS layers
ELIMINATE OWNER_CODE, ZONE_CODE, and USGS_CODE equal to zero, using the default settings
Create COMBO_CODE = OWNER_CODE * 100 + ZONE_CODE * 10 + USGS_CODE
STEP 2 ... Reclass the data:
COMBO_CODE OWNER_CODE ZONE_CODE USGS_CODE FINAL_DES
111 fed ag ag Agriculture
112 fed ag urban Agriculture
113 fed ag forest Agriculture
114 fed ag other Agriculture
115 fed ag wetlands Agriculture
116 fed ag quarries Agriculture
117 fed ag shrubland Agriculture
121 fed urb ag Urban
122 fed urb urban Urban
123 fed urb forest Urban
124 fed urb other Urban
125 fed urb wetlands Urban
127 fed urb shrublands Urban
131 fed other ag Agriculture
132 fed other urban Urban
133 fed other forest Federal Forest
134 fed other other Other
135 fed other wetlands Other
136 fed other quarries Other
137 fed other shrubland Federal Forest
211 state ag ag Agriculture
212 state ag urban Agriculture
213 state ag forest Agriculture
214 state ag other Agriculture
215 state ag wetlands Agriculture
217 state ag shrubland Agriculture
221 state urb ag Urban
222 state urb urban Urban
223 state urb forest Urban
224 state urb other Urban
225 state urb wetlands Urban
231 state other ag Agriculture
232 state other urban Urban
233 state other forest State Forest
234 state other other Other
235 state other wetlands Other
237 state other shrublands State Forest
311 private ag ag Agriculture
312 private ag urban Agriculture
313 private ag forest Agriculture
314 private ag other Agriculture
315 private ag wetlands Agriculture
316 private ag quarries Agriculture
317 private ag shrubland Agriculture
321 private urb ag Urban
322 private urb urban Urban
323 private urb forest Urban
324 private urb other Urban
325 private urb wetlands Urban
326 private urb quarries Urban
327 private urb shrubland Urban
331 private other ag Agriculture
332 private other urban Urban
333 private other forest Private Forest
334 private other other Other
335 private other wetlands Other
336 private other quarries Other
337 private other shrubland Private Forest
411 other ag ag Agriculture
412 other ag urban Agriculture
413 other ag forest Agriculture
414 other ag other Agriculture
421 other urb ag Urban
422 other urb urban Urban
423 other urb forest Urban
424 other urb other Urban
427 other urb shrubland Urban
431 other other ag Agriculture
432 other other urban Urban
433 other other forest Other
434 other other other Other
435 other other wetlands Other
437 other other shrubland Other
STEP 3... Final Dissolve
DISSOLVE based on FINAL_DES attribute
ELIMINATE polygons with area less than 10,000 sq feet (~900 sq meters) using default settings
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