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1969 Vegetation Map of Illilouette Creek Basin


An older version of this resource http://www.hydroshare.org/resource/6fd8f33c510245aca4ca878bf3028d65 is available.
Authors: Gabrielle Boisrame
Owners: Gabrielle Boisrame
Resource type: Geographic Raster
Storage: The size of this resource is 1.3 MB
Created: May 21, 2017 at 10:03 p.m.
Last updated: Feb 22, 2019 at 9:42 p.m. by Gabrielle Boisrame
Citation: See how to cite this resource
Sharing Status: Discoverable
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Abstract

The Illilouette Creek Basin in Yosemite National Park has experienced a large number of managed wildfires since 1972, when the managed wildfire program in this area began. The 1969 map captures vegetation cover following a period of at least 90 years with no wildfires above 5 ha in size within the watershed. This vegetation map was created in eCognition using aerial imagery provided by the Yosemite National Park archives, taken by Cartwright aerial surveys. Vegetation is divided into the following broad categories: conifer, shrubland, sparse vegetation, and dense meadow.

Vegetation Type Codes
0 - Exposed rock or open water
1 - Conifer (mainly Pinus contorta, Pinus jeffreyi, Abies magnifica, Abies concolor)
2 - Shrubland (mainly Ceanothus cordulatus)
3 - Sparsely Vegetated (but not exposed rock)
4 - Dense Meadow (most of this area is wetland, but not all could be verified as true wetland)

Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
37.7540°
East Longitude
-119.3710°
South Latitude
37.5874°
West Longitude
-119.6178°

Temporal

Start Date:
End Date:

Content

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Resource Specific

Spatial Reference
Coordinate Reference System NAD83 / UTM zone 11N
Datum North_American_Datum_1983
Coordinate String PROJCS["NAD83 / UTM zone 11N",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-117],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26911"]]
Coordinate Reference System Unit meter

Extent

North 4181184.30012
West 269366.321165
South 4163244.30012
East 290671.321165
Cell Information
Rows 3588
Columns 4261
CellSizeXValue 5.0
CellSizeYValue 5.0
CellDataType Int32
Band Information
Band_1
VariableName
VariableUnit
NoDataValue-2147483648.0
MaximumValue4.0
MinimumValue0.0

References

How to Cite

Boisrame, G. (2017). 1969 Vegetation Map of Illilouette Creek Basin, HydroShare, http://www.hydroshare.org/resource/333de41ff60d495cb65efb4cf09868af

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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