20200709
12245200
1.0
FGDC CSDGM Metadata
FALSE
Impervious_2010_Cleaned
0.000
002
737697.400200
770141.660200
4288125.290000
4357160.710000
1
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_UTM_Zone_10N
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/2.6.0'><WKT>PROJCS["NAD_1983_UTM_Zone_10N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-123.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",26910]]</WKT><XOrigin>-5120900</XOrigin><YOrigin>-9998100</YOrigin><XYScale>10000.001646282679</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.0010000001639127731</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>2</MTolerance><HighPrecision>true</HighPrecision><WKID>26910</WKID><LatestWKID>26910</LatestWKID></ProjectedCoordinateSystem>
20200814
11474600
20200814
11474600
500000
5000
FGDC
Jarlath O’Neil-Dunne
Spatial Informatics Group
Research Scientist
Jarlath.ONeil-Dunne@sig-gis.com
10.1
Enterprise Geodatabase Feature Class
Impervious Surface for the Lake Tahoe Basin, 2010
Jarlath O’Neil-Dunne
Spatial Informatics Group
Research Scientist
Jarlath.ONeil-Dunne@sig-gis.com
3248 Northampton Court
Pleasanton
CA
94588
US
802-598-9668
2012-09-20T00:00:00
2012-09-21T00:00:00
First
20120921
vector digital data
Impervious suface data can be used to support a broad range of analyses. This particular dataset was generated to support nonpoint source pollution modling and ecosystem assessmnet.
<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 14 0;"><SPAN>Linear transportation features for the Lake Tahoe Basin derived from the August 2010 LiDAR collect. And summer 2010 WorldView-2 imagery. Features were extracted through an automated processes using a proprietary Object-Based Image Analysis (OBIA) system than manually reviewed and corrected at a scale of 1:1,200. The lines have both a Feature Type (FType) and a Surface Type (SType) code associated with them.</SPAN></P><P STYLE="margin:0 0 14 0;"><SPAN>The Feature Types (FType) are:</SPAN></P><UL><LI><P><SPAN>1 = Road</SPAN></P></LI><LI><P><SPAN>3 = Trail</SPAN></P></LI><LI><P><SPAN>4 = Building</SPAN></P></LI><LI><P><SPAN>5 = Other</SPAN></P></LI></UL><P><SPAN>Note: FType = 2 (Driveways) is not used for this layer.</SPAN></P><P><SPAN>The surface types (SType) are:</SPAN></P><UL><LI><P><SPAN>1 = Hard</SPAN></P></LI><LI><P><SPAN>2= Soft</SPAN></P></LI></UL></DIV></DIV></DIV>
Impervious
Transporation
Lake Tahoe
Roads
Trails
Spatial Informatics Group
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Spatial Informatics Group, LLC makes no representations of any kind, including but not limited to the warranties of merchantability or fitness for particular use, nor are any such warranties to be implied with respect to the data.</SPAN></P></DIV></DIV></DIV>
Impervious
Lake Tahoe
Nevada
California
2010
1200
Esri File Geodatabase
10.0
Esri ArcGIS 12.6.0.24783
1
-120.266324
-119.866354
39.331221
38.700523
Spatial Informatics Group, LLC makes no representations of any kind, including but not limited to the warranties of merchantability or fitness for particular use, nor are any such warranties to be implied with respect to the data.
2010 LiDAr
Automated feature extraction
2011-12-12T00:00:00
2010 WorldView-2 Imagery
Manual review
2012-05-23T00:00:00
Impervious surface and feature type.
Impervious_2010_Cleaned
Feature Class
0
Impervious surface type
SIG
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
8
0
0
Feature geometry.
ESRI
Coordinates defining the features.
Feature
Feature
String
8
0
0
Surface
Surface
String
4
0
0
Shape.STArea()
Shape.STArea()
Double
0
0
0
Shape.STLength()
Shape.STLength()
Double
0
0
0
dataset
EPSG
7.8.2(3.0.1)
0
Simple
FALSE
0
TRUE
FALSE
20200814
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