Water Quality 303d 305b


Identification_Information:
Citation:
Citation_Information:
Originator:Natural Lands Trust with input data from PA DEP.
Publication_Date:May 2006
Title:
Water Quality 303d 305b
Edition:first
Geospatial_Data_Presentation_Form:raster digital data
Online_Linkage: ftp://www.pasda.psu.edu/pub/pasda/nlt
Online_Linkage: http://www.natlands.org
Description:
Abstract:
This raster dataset has been created using inputs including "small watersheds" (see metadata entitled "smallsheds.xml") collected through PASDA (www.pasda.psu.edu) and 303d/305B data from Pennsylvania Department of Environmental Protection. The 303d data was assigned value based on the attainment of the stream. Attaining streams received a value of 10, unattaining streams received a value of 0, and unassessed streams received a value of 5. The average value for each small watershed was calculated by multiplying each stream segment's length by its assigned value and dividing by the total length of the streams within the watershed. The data was converted to raster and reclassified into 10 quantiles.

Conservation values were determined by experts gathered by Natural Lands Trust through SmartConservation®. This data set is one of several that have been combined to create an overall aquatic resources conservation value raster for the Expanded Piedmont ecoregion. Therefore, the values were determined as a relative rank, comparable in value only to the other input aquatic resources data. Conservation value ranges from 1 - 10 with 10 being the highest value.
Purpose:
Assign conservation value to small watersheds based on average value of 303d streams within the Expanded Piedmont Ecoregion of Pennsylvania.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date:20003
Currentness_Reference:
ground condition
Status:
Progress:Complete
Maintenance_and_Update_Frequency:Irregular
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -78.356474
East_Bounding_Coordinate: -74.540675
North_Bounding_Coordinate: 41.491614
South_Bounding_Coordinate: 39.197635
Keywords:
Theme:
Theme_Keyword_Thesaurus:ISO 19115 Topic Categories
Theme_Keyword:Water Quality
Theme_Keyword:SmartConservation
Theme_Keyword:Expanded Piedmont
Theme_Keyword:Aquatic Resources
Theme_Keyword:303d
Theme_Keyword:305b
Theme_Keyword:imageryBaseMapsEarthCover
Theme_Keyword:environment
Place:
Place_Keyword:Piedmont
Place_Keyword:Expanded Piedmont
Place_Keyword:Pennsylvania
Access_Constraints:None
Use_Constraints:
None
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person:Diane Rosencrance
Contact_Organization:Natural Lands Trust
Contact_Position:GIS Program Manager
Contact_Address:
Address_Type:mailing and physical address
Address:
1031 Palmers Mill Road
City:Media
State_or_Province:Pennsylvania
Postal_Code:19063
Country:USA
Contact_Voice_Telephone:610-353-5587
Contact_Electronic_Mail_Address:drosencrance@natlands.org
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 9.1.0.722
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Data_Quality_Information:
Lineage:
Process_Step:
Process_Description:
Process:
Select from "streams303d_PA" in SDE that intersect 'study area' 
Export 
Save as: "303d_Streams_'study area'" 
in...\'study area'\VectorData\303d.Streams\

Add field "Rank_SmCon" to "303dStreams_'study area'"
Rank associated with the attainment of the stream
	"Status"		"Rank-SmCon"
	Attaining			=10
	Not Attaining			=0
	Unassessed			=5

Intersect
input: "303dstreams_'study area'"
overlay: "orderedwshed_'study area'"
save as: "303dstreams_'study area'_by_wshed"
in: \'study area'\vector_data\303dStreams\

Add fields to "303dStreams_'study area'_by_wshed"
"Meter_leng" _length of Stream Segment in Meters
"Feet_lengt" - [meter_leng]*3.281 - lentth of stream segments in feet
"Len_x_Rank" = [feet_lengt"] x ["Rank_SmCon"] length of stream multiplied by rank.

Select from "Status" field where
	a.) Status = attamng
	b.) Status = Not Atamng
	c.) Status = Unassessed

Dissolve after each selection based on "unique_id" so that the 3 different status types are dissolved separately
Input: "303dstreams_'study area'_by_wshed"
field: "unique_1D"
save as:
a.) "'study area'_attain_by_wshed_dissolve"
b.) "'study area'_not attaining_by_wshed_dissolve"
c.) "'study area'_unassessed_by_wshed_dissolve"
in ...\vectordata\303d_streams\expanded_Ridge_and_Valley\

additional fields:   "Feet_lengt"as sum - total length of stream by wshed for stream order range
"len_x_rank" as sum - length multiplied by rank total for stream order range

Dissolve all (nothing selected) based on unique id from "303d Streams_'study area'_by_wshed"
Save as" "'study area'_Streams303d_bywshed_dissolve"
in \study area\vectordata\303dstreams\ 
additional fields: "feet-lengt" as sum
		     "len_x_rank" as sum
	                  "len_x_rank" as average
Add fields to "Orderedwshed_SEPA_'study area'"
	"Atained-L"
	"Notattai_L"
	"Unasses_L"

Calculate values for fields in "Orderedwshed _'study area'"
1.) Join to "'study area'_Attained_by_wshed_dissolve"
	"Atained-L" = "Sum_feet_lengt"
2.) Join to "'study area'_NotAttaining_bywhed_dissolve"
	"Notattai_L" = "Sum_Feet_lengt"
3.) Join to "'study area'_unassessed_bywshed_dissolve"
	"Unasses_L" = "Sum_Feet_lengt"
	Remove joins
4.) Join to "'study area'_streams303d_by_wshed_dissolve"
	"303d_stlen" = Sum_Feet_lengt
	"303d_SU_LxR" - sum_len_x_rank
	"303d Av_lxr" = Average_lenx_rank
Remove joins

5.) "303D Avg_Ra" = "303dSu_Lxr" / "303d_Stlen"
	gives average rank for watershed

Convert to grid 
Use: 'study area' as mask
Input: "orderedwshed_'study area'"
Field: "303dAvg_Ra"
Save as: "'study area'_303d.stream"
in ...\'study area'\individual_grid\303d_streams

Reclassify based on 10 quantiles 
Expanded Piedmont and Expanded Ridge & Valley
Old Value		New Value	
0-.546875			1
.546875 -.0625			2
.0625 - 4.9609375		3
4.9609375 - 5.00		4
5.00 - 6.171875			5
6.171875 - 7.3828125		6
7.3828125 - 8.9453125		7
8.9453125 - 9.8828125		8
9.8828125 - 9.921875		9
9.921875 - 10			10
Process_Date:2004-2005
Process_Step:
Process_Description:
Metadata imported.
Source_Used_Citation_Abbreviation:
Y:\ArcGIS_Projects\Smart Conservation Documentation\Metadata\Aquatic\riparian buffer quality expanded piedmont.xml
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Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method:Raster
Raster_Object_Information:
Raster_Object_Type:Grid Cell
Row_Count:8320
Column_Count:10625
Vertical_Count:1
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Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name:Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number:18
Transverse_Mercator:
Scale_Factor_at_Central_Meridian:0.999600
Longitude_of_Central_Meridian:-75.000000
Latitude_of_Projection_Origin:0.000000
False_Easting:500000.000000
False_Northing:0.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method:row and column
Coordinate_Representation:
Abscissa_Resolution:30.000000
Ordinate_Resolution:30.000000
Planar_Distance_Units:meters
Geodetic_Model:
Horizontal_Datum_Name:North American Datum of 1983
Ellipsoid_Name:Geodetic Reference System 80
Semi-major_Axis:6378137.000000
Denominator_of_Flattening_Ratio:298.257222
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Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: calc2
Attribute:
Attribute_Label:ObjectID
Attribute_Definition:
Internal feature number.
Attribute_Definition_Source:
ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label:Value
Attribute:
Attribute_Label:Count
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Pennsylvania Spatial Data Access (PASDA)
Contact_Address:
Address_Type:mailing address
Address:
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:(814) 865 - 8792
Contact_Electronic_Mail_Address:pasda@psu.edu
Resource_Description:downloadabledata
Distribution_Liability:
The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Transfer_Size:2.004
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Metadata_Reference_Information:
Metadata_Date:20060517
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Natural Lands Trust
Contact_Person:Diane Rosencrance
Contact_Position:GIS Program Manager
Contact_Address:
Address_Type:mailing and physical address
Address:
1031 Palmers Mill Road
City:Media
State_or_Province:PA
Postal_Code:19063
Country:USA
Contact_Voice_Telephone:610-353-5587
Contact_Electronic_Mail_Address:drosencrance@natlands.org
Metadata_Standard_Name:FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version:FGDC-STD-001-1998
Metadata_Time_Convention:local time
Metadata_Extensions:
Online_Linkage: http://www.esri.com/metadata/esriprof80.html
Profile_Name:ESRI Metadata Profile
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