GIS Class - Mike McAdams

Data Dictionary - Dude!!


Original Data Discription

Source of Data (linked)

1. Hydro data

USGS Hydrology Site

2. 1:250,000 DEM

The Digital Elevation Map

3. 1:2,000,000 DEM

danube.crwr.ce.utexas.edu

4. 1:100,000 Road and Hydro

USGS Digital Line Graphs

5. 1:2,000,000 Road and Hydro

USGS Digital Geo Data

6. State Boundries

Dr. David Maidment's Home Page

7. Tree Density Data

Download Site (maintained by epa)

8. Tree Species Data

Forest Service Page

All the rest of the data (all below) was made
or generated from the above data sources.

Idaho State Stuff (entire state)

Data Name

Description

idaho_den/

Idaho Tree Density Grid (1000m cells)

idaho_slope/

Idaho slope grid

idtran_alb/

Idaho roads (1:2,000,000) projected to albers

idaho_typ/

Idaho Tree Type grid in albers (1000m cells)

aextra/

folder that held all arcview calculations

idalb/

Idaho Boundary Polygon

idbgrid/

Idaho Boundary Grid

zdensity/

contains more information on the forest density maps

Forest Data

zfor/

Folder holding files below

forgrid.tar

forest density grid lower 48 states

forgrid.txt

text file describing lower 48 forest denstiy grid

lo48grid.tar

lower 48 states forest type grid

lo48par.txt

text file describing lower 48 forest type grid

rf1id/

Idaho hydrology data (1:2,000,000 - Geographic Cord)

demid/

Idaho dem (1:2,000,000 - Geographic Cord)

Projection Files:

lamalb.prj

AML to go from Lambers to albers

alb.prj

AML to go from Geographic to albers

utmalb.prj

AML to go from UTM zone 11 to albers

wgsalb.prj

AML to go from WGS to albers (didn't work)

All grids and coverages in Albers projection
CDA - 30 min X 30 min Quad site:

sdem/

folder containing grids related to CDA DEM

coudem/

Clipped CDA DEM

couslope/

CDA Slope Grid

remove_slope/

CDA Grid of Slopes > 30 % grade

spokane-e.gz

SDTS transfer of CDA DEM

espokdem_alb/

Full CDA DEM

Rest of Stuff

swest/

Folder Containg Balance of CDA related Files

ad_removal/

Total removal grid (used to construct removalden)

buffcoe_grid/

Grid of CDA buffered 1000m (allowed for the removal of a portion of the larger 1000m cell grids - so as to not loose data within the other CDA boundary area. - used to make small_density and smtype)

buffcoebound/

Buffered Polygon of CDA boundary used to make buffcoe_grid.

buffriv/

buffered hydrology within CDA

buffroad/

Buffered roads within CDA

coebound_grid/

grid of CDA boundary - used to clip various grids.

courbound/

CDA boundary polygon

good_den/

Resampled forest density (cell size =100m)

good_type/

resampled forest type grid (cell size =100m)

nriv_remov/

CDA river removal grid (used to construct removal2)

nroad_remov/

CDA road removal grid (used to construct removal2)

removalden/

Final density map for CDA area (everything removed)

resmden/

resampled density - buffered by 1000 m (used to make good_den 100m cell size)

resmtype/

resampled type grid - buffered by 1000 m (used to make good_type 100m cell size)

rivcoeur/

CDA 1:100,000 River data

roacoeur/

CDA 1:100,000 Road data

small_density/

clipped with buffcoe_grid from Idaho Tree Density Grid (1000m cell size)

smtype/

clipped with buffcoe_grid from Idaho Tree Type Grid (1000m cell size)

On to the Bibliography


Go to Mike's GIS Page
Go to Mike's Home Page
Go to Civil Engineering Home Page
Go to UT's Home Page

(c) Copyright Mike McAdams, 1997
if you want something e-mail me at:
mcadams@mail.utexas.edu