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<H1>14T_KL_7560_2</H1>
<TABLE cols="3" frame="void" rules="cols" width="315" height="28">
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<TR height="28" onmouseover="doHilite()" onmouseout="doHilite()" onclick="changeTab(this)">
<TD ID="DescTab" CLASS="tsel" TITLE="Click to see a description of the data">Description</TD>
<TD ID="SpatialTab" CLASS="tun" TITLE="Click for details about the spatial data">Spatial</TD>
<TD ID="AttribTab" CLASS="tun" TITLE="Click for details about the attribute data">Attributes</TD>
</TR>
</TABLE>
<DIV ID="Group" CLASS="f">
<DIV ID="Description" CLASS="pv" STYLE="display:block"><BR />
<DIV CLASS="pn">Keywords</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Theme: </SPAN>
LAS, LIDAR</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Place: </SPAN>
Platte River Channel, Nebraska</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Temporal: </SPAN>
2009</DIV>
<BR />
<DIV CLASS="pn">Description</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Abstract
      <DIV CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">LIDAR-derived binary (.las) files containing classified points of all returns.  We have 3 classifications Unclassified, Ground, Low points.  The average Ground Sample Distance (GSD) is 0.7 meters.  The tiles are delivered in 2,500m by 2,500m tiles.  These files are in ASPRS ver 1.1 format.</PRE></SPAN><BR />
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</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Purpose
      <DIV ID="Purpose" CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">The Lidar data combined with the 3d breaklines can be used to produce a highly accurate representation of the earth's surface (x, y and z).</PRE></SPAN><BR />
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</DIV>
</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Supplementary Information
      <DIV CLASS="pe2" STYLE="display:">
<SPAN CLASS="lt"><PRE ID="original">Project Projection, Datums and Units
Projection - UTM Zone 14 North
Horizontal datum - North American Datum of 1983 (NAD83) using the latest adjustment revision (NSRS 2007)
Vertical datum - North American Vertical Datum of 1988 (NAVD88) using the latest geoid (Geoid03) for converting ellipsoidal heights to orthometric heights
Units - meters (to 1cm resolution)</PRE></SPAN><BR />
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</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Status of the data
    <DIV CLASS="pe2" STYLE="display:none">
Complete<BR /><I>Data update frequency: </I>
Unknown<BR /></DIV>
</DIV>
<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Time period for which the data is relevant
    <DIV CLASS="pe2" STYLE="display:none">
<DIV><I>Beginning date and time: </I>
20090317
 at time unknown</DIV>
<DIV><I>Ending date and time: </I>
20090321
 at time unknown</DIV>
<DIV>
<I>Description: </I>
<SPAN CLASS="lt"><PRE ID="original">ground condition</PRE></SPAN><BR />
<SCRIPT>fix(original)</SCRIPT>
</DIV>
</DIV>
</DIV>
<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Publication Information
    <DIV CLASS="pe2" STYLE="display:none"><SPAN CLASS="lt2">
<I>Who created the data: </I>USDA-NRCS<BR /></SPAN>
<DIV><I>Date and time: </I>
2009</DIV>
<DIV><I>Publisher and place: </I>
USDA-NRCS, Lincoln, NE
</DIV>
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Data storage and access information
                    <DIV CLASS="pe2" STYLE="display:none">
<I>Type of data: </I>LAS Data<BR />
<DIV><I>Location of the data: </I></DIV><DIV><LI STYLE="margin-left:0.2in">\\ARC11\D$\rainwater\metadata\Platte_LAS_template</LI></DIV>
<I>Data processing environment: </I><SPAN CLASS="lt">Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850</SPAN><BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Constraints on accessing and using the data
                          <DIV CLASS="pe2" STYLE="display:none">
<I>Access constraints: </I>
<SPAN CLASS="lt">Unknown<BR /></SPAN><DIV>
<I>Use constraints: </I>
<SPAN CLASS="lt"><PRE ID="original">Unknown</PRE></SPAN><BR />
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</DIV>
</DIV>
</DIV>
</DIV>
</DIV>
<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details about this document
                    <DIV CLASS="pe2" STYLE="display:none">
<DIV>Contents last updated: 20090415</DIV>
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who completed this document
      <DIV CLASS="pe2" STYLE="display:none">
Shandy Bittle<BR />USDA-NRCS<BR /><I>mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in">
<DIV CLASS="lt">
<PRE ID="original">100 Centennial Mall N Ste 152</PRE>
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</DIV>
<DIV>
Lincoln, NE 68508</DIV>
<DIV>USA</DIV></DIV>
<BR />
402-437-4020 (voice)<BR />shandy.bittle@ne.usda.gov<BR /><BR />
<DIV><I>Hours of service:</I>
0800-1500</DIV><BR />
</DIV>
</DIV>
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Standards used to create this document
      <DIV CLASS="pe2" STYLE="display:none">
<I>Standard name: </I>FGDC Content Standards for Digital Geospatial Metadata<BR />
<I>Standard version: </I>FGDC-STD-001-1998<BR />
<I>Time convention used in this document: </I>local time<BR />
Metadata profiles defining additonal information<LI STYLE="margin-left:0.2in">
ESRI Metadata Profile: <A TARGET="viewer" HREF="http://www.esri.com/metadata/esriprof80.html">http://www.esri.com/metadata/esriprof80.html
</A>
</LI>
</DIV>
</DIV>
</DIV>
</DIV>
<BR />
</DIV>
<DIV ID="Spatial" class="pv" STYLE="display:none"><BR />
<DIV CLASS="pn">Horizontal coordinate system</DIV>
<DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details
      <DIV CLASS="pe2" STYLE="display:none">
<DIV CLASS="sr1"><SPAN CLASS="pn">Grid Coordinate System Name: </SPAN>Universal Transverse Mercator</DIV>
<DIV CLASS="sr2"><I>UTM Zone Number: </I>14</DIV>
<DIV CLASS="srh2">Transverse Mercator Projection</DIV>
<DIV CLASS="sr3"><I>Scale Factor at Central Meridian: </I>0.999600<BR />
<I>Longitude of Central Meridian: </I>-99.000000<BR />
<I>Latitude of Projection Origin: </I>0.000000<BR />
<I>False Easting: </I>500000.000000<BR />
<I>False Northing: </I>0.000000<BR />
</DIV>
<BR />
<DIV CLASS="sr1"><SPAN CLASS="pn">Planar Coordinate Information</SPAN></DIV>
<DIV CLASS="sr2"><I>Planar Distance Units: </I>meters</DIV>
<DIV CLASS="sr2"><I>Coordinate Encoding Method: </I>coordinate pair</DIV>
<DIV CLASS="srh2">Coordinate Representation</DIV>
<DIV CLASS="sr3"><I>Abscissa Resolution: </I>0.001</DIV>
<DIV CLASS="sr3"><I>Ordinate Resolution: </I>0.001</DIV>
<BR />
<DIV CLASS="srh1">Geodetic Model</DIV>
<DIV CLASS="sr2"><I>Horizontal Datum Name: </I>North American Datum of 1983</DIV>
<DIV CLASS="sr2"><I>Ellipsoid Name: </I>Geodetic Reference System 80</DIV>
<DIV CLASS="sr2"><I>Semi-major Axis: </I>6378137.000000</DIV>
<DIV CLASS="sr2"><I>Denominator of Flattening Ratio: </I>298.257222</DIV>
</DIV>
</DIV>
<BR />
<DIV CLASS="srh1">Altitude System Definition</DIV>
<DIV CLASS="sr2"><I>Datum Name: </I>North American Vertical Datum of 1988</DIV>
<DIV CLASS="sr2"><I>Resolution: </I>.001</DIV>
<DIV CLASS="sr2"><I>Distance Units: </I>meters</DIV>
<DIV CLASS="sr2"><I>Encoding Method: </I>Implicit coordinate</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Bounding coordinates</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="pn">Horizontal</DIV>
<DIV STYLE="margin-left:0.4in" CLASS="pn">In decimal degrees</DIV>
<DIV STYLE="margin-left:0.6in"><I>West: </I>
-101.628250132461</DIV>
<DIV STYLE="margin-left:0.6in"><I>East: </I>
-101.623955496498</DIV>
<DIV STYLE="margin-left:0.6in"><I>North: </I>
41.2060416185951</DIV>
<DIV STYLE="margin-left:0.6in"><I>South: </I>
41.2064922371415</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Lineage</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.2in">FGDC lineage</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 1
<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Process description: </I>LIDAR data was collected using Merrick's ALS50 Phase 2 sensor.  The raw data was verified in MARS software for complete coverage of the project area, and boresighted to align the flightlines.  Raw data files were parsed into manageable client-specific tiles.  These tiles were then processed through automated filtering that separates the data into different classification groups: unclassified points, ground points, low points and water.  The data was next taken into MARS to reclassify the erroneous points that may remain in the LIDAR point cloud after auto filter.<BR />
<I>Source used: </I>Ground_Control<BR />
<I>Source used: </I>LIDAR<BR />
<I>Source produced: </I>Classified LAS<BR />
<I>Process date: </I>20090414
at time 14285400<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who did this process
              <DIV CLASS="pe2" STYLE="display:none">
Doug Jacoby<BR />Merrick &amp; Co<BR /><I>mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in">
<DIV CLASS="lt">
<PRE ID="original">2450 S. Peoria St</PRE>
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</DIV>
<DIV>
Aurora, Co 80014</DIV>
<DIV>USA</DIV></DIV>
<BR />
303-353-3903 (voice)<BR />doug.jacoby@merrick.com<BR /><BR />
<DIV><I>Hours of service:</I>
0800-1500 MST</DIV><BR />
</DIV>
</DIV>
</DIV>
</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.4in">Sources</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.6in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Source 1:
          Ground Control
(Ground_Control)<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Media: </I>disc<BR />
<I>Contribution: </I>GPS control network for LIDAR acquisition and processing.<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Currentness of this source
              <DIV CLASS="pe2" STYLE="display:none">
<DIV><I>Beginning date and time: </I>
20090120
 at time unknown</DIV>
<DIV><I>Ending date and time: </I>
20090315
 at time unknown</DIV>
</DIV>
</DIV>
<BR /></DIV>
</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.6in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Source 2:
          LIDAR
(LIDAR)<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<I>Media: </I>disc<BR />
<I>Contribution: </I>LIDAR points form the basis of the DTM surface.<BR />
<DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Currentness of this source
              <DIV CLASS="pe2" STYLE="display:none">
<DIV><I>Beginning date and time: </I>
20090317
 at time unknown</DIV>
<DIV><I>Ending date and time: </I>
20090321
 at time unknown</DIV>
</DIV>
</DIV>
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Spatial data quality</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Horizontal positional accuracy
      <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<SPAN CLASS="lt"><PRE ID="original">Horizontal accuracy is verified in three tests.  During boresighting, adjoining flightlines are view in profile and hard edged features are observed and if necessary the flightlines are adjusted for good relative horizontal and vertical fit.  The second test for horizontal accuracy is by comparing raw contours from each flightline against adjoining flightlines at specific points.  The final test is the vertical LIDAR control report.</PRE></SPAN>
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<DIV STYLE="margin-left:0.2in"><I>Estimated accuracy: </I>0.6 meters RMSE</DIV>
<DIV STYLE="margin-left:0.2in">
<I>How this value was determined: </I>
<SPAN CLASS="lt"><PRE ID="original">Horizontal accuracy will meet or exceed 0.6m RMSE (Accuracyr = 1.04m at the 95% confidence level).</PRE></SPAN>
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</DIV>
</DIV>
</DIV>
<BR />
<DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Vertical positional accuracy
      <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none">
<SPAN CLASS="lt"><PRE ID="original">Independent accuracy testing was performed by Dewberry using 29 high accuracy quality control checkpoints distributed on level open bare earth, vegetation, and urban terrain.  Dewberry uses testing procedures consistent with those specified by both the FEMA/NSSDA and NDEP/ASPRS methodologies.

Contract specifications: 0.182 meters vertical accuracy

Tested 0.175 meters fundamental vertical accuracy at 95% confidence level in Open Terrain (FEMA/NSSDA and NDEP/ASPRS methodologies)

Tested 0.142 meters consolidated vertical accuracy at 95th percentile in all land cover categories (NDEP/ASPRS methodology)

Tested 0.137 meters supplemental vertical accuracy at 95th percentile in Open Terrain category (NDEP/ASPRS methodology)

Tested 0.149 meters supplemental vertical accuracy at 95th percentile in Vegetation category (NDEP/ASPRS methodology)

Tested 0.035 meters supplemental vertical accuracy at 95th percentile in Urban category (NDEP/ASPRS methodology)</PRE></SPAN>
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<DIV STYLE="margin-left:0.2in"><I>Estimated accuracy: </I>0.092 meters RMSE</DIV>
<DIV STYLE="margin-left:0.2in">
<I>How this value was determined: </I>
<SPAN CLASS="lt"><PRE ID="original">Vertical elevations will meet or exceed .092m RMSE (Accuracyz = 0.18m at the 95% confidence level.</PRE></SPAN>
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</DIV>
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="pn">Spatial data description</DIV>
<DIV CLASS="pn" STYLE="margin-left:0.2in">Vector data information</DIV>
<DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">SDTS description
                    <DIV CLASS="pe2" STYLE="display:none">
<DIV>Feature class: SDTS feature type, feature count</DIV>
<DIV STYLE="margin-left:0.2in">
<LI>

          Feature class: 
        Point
</LI>
</DIV>
</DIV>
</DIV>
<BR />
</DIV>
<DIV ID="Attributes" class="pv" STYLE="display:none"><BR />
<DIV CLASS="pn">Details for Classified LAS</DIV>
<DIV STYLE="margin-left:0.2in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Description
      <DIV CLASS="pe2" STYLE="display:none">
<SPAN CLASS="lt">Classified LAS</SPAN><BR />
<SPAN CLASS="lt"><I>Source: </I>Merrick &amp; Co</SPAN><BR />
<BR />
</DIV>
</DIV>
<DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR />
<DIV CLASS="srh1">Overview</DIV>
<DIV STYLE="margin-left:0.2in">
<SPAN CLASS="lt"><PRE ID="original">3 classifications for LAS ver 1.1
1 = Unclassified
2 = Classified 
7 = Low Points/Noise</PRE></SPAN>
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<SPAN CLASS="lt"><PRE ID="original">3 classifications for LAS ver 1.1
1 = Unclassified
2 = Classified 
7 = Low Points/Noise</PRE></SPAN><BR />
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