Deposits

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Oregon Department of Geology and Mineral Industries

Publication_Date: 2010

Title: Deposits

Geospatial_Data_Presentation_Form: vector digital data

Series_Information:

Series_Name: DOGAMI Interpretive Map Series

Issue_Identification: 31

Publication_Information:

Publication_Place: Portland, Oregon, USA

Publisher: Oregon Department of Geology and Mineral Industries

Other_Citation_Details: Public domain.

Online_Linkage: \\CENTRAL\Staff-Public\Kate\Astoria_Landslide_Inventory.gdb

Larger_Work_Citation:

Citation_Information:

Geospatial_Data_Presentation_Form: map

Series_Information:

Publication_Information:

Other_Citation_Details: Public domain.

Online_Linkage: <http://www.oregongeology.org/pubs/ims-31/>

Description:

Abstract:

This layer is an inventory of existing landslides deposits in the Oregon City USGS quadrangle. Each landslide deposit shown on this map has been classified according to a number of specific characteristics identified at the time recorded in the GIS database. The classification scheme was developed by the Oregon Department of Geology and Mineral Industries (Burns and Madin, 2009). Several significant landslide characteristics recorded in the database are portrayed with symbology on this map. The specific characteristics shown for each landslide are the activity of landsliding, landslide features, deep or shallow failure, type of landslide movement, and confidence of landslide interpretation. These landslide characteristics are determined primarily on the basis of geomorphic features, or landforms, observed for each landslide.

Purpose:

The landslide inventory is one of the essential data layers used to delineate regional landslide susceptibility. This landslide inventory is not regulatory, and revisions can happen when new information regarding landslides is found or future (new) landslides occur. Therefore, it is possible that landslides within the map area were not identified or occurred after the map was prepared.
This inventory map was prepared by following the Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (Lidar) Imagery developed by Burns and Madin (2009). The three primary tasks included compilation of previously mapped landslides (including review of SP-34 (Hofmeister, 2000) and SLIDO (Burns and others, 2008)), lidar-based morphologic mapping of landslide features, and review of aerial photographs. Landslides identified by these methods were digitally compiled into a GIS database at varying scales. The recommended map scale for this data is 1:8,000 as displayed on this map. Each landslide was also attributed with classifications for activity, depth of failure, movement type, and confidence of interpretation. The landslide data is displayed on top of a base map that consists of an aerial photograph (orthorectified) overlain on the lidar-derived hillshade image.
This landslide inventory map is intended to provide users with basic information regarding landslides within the quadrangle. The geologic, terrain, and climatic conditions that led to slope failures in the past may provide clues to the locations and conditions of future slope failures, and it is intended that this map will provide useful information to develop regional landslide susceptibility maps, guide site-specific investigations for future developments, assist in regional planning, and mitigation of existing landslides.

Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: MM/DD/YYYY

Currentness_Reference: publication date

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -123.861179

East_Bounding_Coordinate: -123.624832

North_Bounding_Coordinate: 46.215616

South_Bounding_Coordinate: 46.122228

Keywords:

Theme:

Theme_Keyword_Thesaurus:

REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords.

Theme_Keyword: landslide

Theme_Keyword: Lidar

Theme_Keyword: Inventory

Theme_Keyword: Map

Place:

Place_Keyword: Astoria

Place_Keyword: Oregon

Place_Keyword: Clatsop County

Stratum:

Stratum_Keyword: inventory

Temporal:

Temporal_Keyword: lidar

Temporal_Keyword: Oregon

Access_Constraints:

This map depicts an inventory of existing landslides based on published and unpublished reports and interpretation of topography derived from lidar data and air photos. The inventory was created following the protocol defined by Burns and Madin (2009). This map cannot serve as a substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from those shown on this map.

Use_Constraints:

Restrictions and legal prerequisites for using the data set after use is granted. These include any access constraints applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations on using the data set. The maps cannot serve as a substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from those shown on the maps.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: William J. Burns

Contact_Organization: Oregon Department of Geology and Mineral Industries

Contact_Position: Engineering Geologist

Contact_Address:

Address_Type: mailing and physical address

Address: 800 NE Oregon Street #28, Suite 965

City: Portland

State_or_Province: Oregon

Postal_Code: 97232

Country: USA

Contact_Voice_Telephone: 971-673-1538

Contact_Facsimile_Telephone: 971-673-1562

Contact_Electronic_Mail_Address: bill.burns@dogami.state.or.us

Browse_Graphic:

Data_Set_Credit: William J. Burns and Katherine A. Mickelson

Native_Data_Set_Environment:

Microsoft Windows Vista Version 6.1 (Build 7600) ; ESRI ArcCatalog 9.3.1.3000

Cross_Reference:

Citation_Information:

Originator: Oregon Department of Geology and Mineral Industries

Publication_Date: 2009

Title:

DOGAMI Special Paper 42, Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (Lidar) Imagery

Series_Information:

Series_Name: DOGAMI Special Paper

Issue_Identification: 42

Publication_Information:

Publication_Place: Portland, Oregon

Publisher: Oregon Department of Geology and Mineral Industries

Other_Citation_Details:

By William J. Burns and Ian P. Madin. The SP-42 file set consists of: a. Text report (print and onscreen versions), 30 pp. b. "geodatabase_template" folder: - Landslide_Inventory_Template-ArcInfo.gdb - includes relationship classes between the feature classes - Landslide_Inventory_Template-ArcView.gdb - sr_Toolbox.tbx - additional tools: Find Unmatched Features and Unjoin Layers c. Readme.txt file

Data_Quality_Information:

Attribute_Accuracy:

Logical_Consistency_Report:

CONFIDENCE OF INTERPRETATION: Each landslide should be classified according to a "confidence" that the mapper assigns based on the likelihood that the landslide actually exists. Landslides are mapped on the basis of characteristic morphology, and the confidence of the interpretation is based on the visual strength of the morphologies. As a landslide ages, after its most recent movement, weathering (primarily through erosion) degrades the morphologies produced by landsliding. With time, landslide morphologies may become so subtle that they resemble morphologies produced by geologic processes and conditions unrelated to landsliding. Some landslides have several different types of morphologies associated with them. A good way to define certainty is through a simple point system (see table below) associated with these features. The point system used is based on a ranking of four primary landslide features with a ranking of 0 to 10 points per feature. For example, if during mapping, the head scarp and toe of a landslide were identifiable and had very strong visual strength, the mapper would apply 10 points for the head scarp and 10 points for the toe equaling 20 points, which would be associated with a moderate certainty of identification.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Vertical_Positional_Accuracy:

Lineage:

Source_Information:

Source_Scale_Denominator: 8,000

Process_Step:

Process_Description: Dataset copied.

Source_Used_Citation_Abbreviation:

C:\Jed\GIS\Metadata_Review\Burns_20081117\IMS_XX_NW_Oregon_City_Landslide_Deposits

Process_Date: 20081117

Process_Time: 15091200

Process_Step:

Process_Description: Dataset copied.

Source_Used_Citation_Abbreviation:

F:\Oregon City\Final GIS landslide files OC_NWquarter\45122-C5-1_Landslide_Deposits

Process_Date: 20081216

Process_Time: 14301000

Process_Step:

Process_Description: Metadata imported.

Source_Used_Citation_Abbreviation: C:\DOCUME~1\BILLBU~1\LOCALS~1\Temp\xmlAD.tmp

Process_Date: 20090320

Process_Time: 08335700

Process_Step:

Process_Description: Metadata imported.

Source_Used_Citation_Abbreviation:

N:\NEW publications\FINAL COPY\IMS-26 LS NW Q Oregon City\for CD\GIS\45122-C5-1_Landslide_Deposits_metadata.xml

Process_Date: 20100630

Process_Time: 14450600

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: G-polygon

Point_and_Vector_Object_Count: 403

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: Lambert Conformal Conic

Lambert_Conformal_Conic:

Standard_Parallel: 43.000000

Standard_Parallel: 45.500000

Longitude_of_Central_Meridian: -120.500000

Latitude_of_Projection_Origin: 41.750000

False_Easting: 1312335.958005

False_Northing: 0.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.000328

Ordinate_Resolution: 0.000328

Planar_Distance_Units: international feet

Geodetic_Model:

Horizontal_Datum_Name: D_North_American_1983_HARN

Ellipsoid_Name: Geodetic Reference System 80

Semi-major_Axis: 6378137.000000

Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Deposits

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: Shape

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute:

Attribute_Label: SHAPE_Length

Attribute_Definition: Length of feature in internal units.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Positive real numbers that are automatically generated.

Attribute:

Attribute_Label: SHAPE_Area

Attribute_Definition: Area of feature in internal units squared.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Positive real numbers that are automatically generated.

Attribute:

Attribute_Label: UNIQUE_ID

Attribute:

Attribute_Label: QUADNAME

Attribute:

Attribute_Label: TYPE_MOVE

Attribute:

Attribute_Label: MOVE_CODE

Attribute:

Attribute_Label: CONFIDENCE

Attribute:

Attribute_Label: MOVE_CLASS

Attribute:

Attribute_Label: AGE

Attribute:

Attribute_Label: DATE_MOVE

Attribute:

Attribute_Label: NAME

Attribute:

Attribute_Label: GEOL

Attribute:

Attribute_Label: HS_HEIGHT

Attribute:

Attribute_Label: FAN_HEIGHT

Attribute:

Attribute_Label: SLOPE

Attribute:

Attribute_Label: DEEP_SHAL

Attribute:

Attribute_Label: FAIL_DEPTH

Attribute:

Attribute_Label: HS_IS1

Attribute:

Attribute_Label: IS1_IS2

Attribute:

Attribute_Label: IS2_IS3

Attribute:

Attribute_Label: HD_AVE

Attribute:

Attribute_Label: IS3_IS4

Attribute:

Attribute_Label: DIRECT

Attribute:

Attribute_Label: AREA

Attribute:

Attribute_Label: VOL

Attribute:

Attribute_Label: GlobalID

Attribute:

Attribute_Label: Source

Overview_Description:

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Nature of the Northwest Information Center

Contact_Person: Donald Haines

Contact_Position: Manager

Contact_Address:

Address_Type: physical address

Address: 800 N.E. Oregon Street, Suite 177

City: Portland

State_or_Province: Oregon

Postal_Code: 97232

Country: USA

Contact_Voice_Telephone: 503-872-2750

Contact_Facsimile_Telephone: 971-673-1562

Contact_Electronic_Mail_Address: don.haines@dogami.state.or.us

Hours_of_Service: 9 am to 5 pm PST

Resource_Description:

Spatial data files available in shape file (.shp) format (ESRI).

Distribution_Liability:

Although these data have been processed successfully on a computer system at the Oregon Department of Geology and Mineral Industries (DOGAMI), no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is strongly recommended that these data are directly acquired from DOGAMI, and not indirectly through other sources which may have changed the data in some way. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Transfer_Size: 0.101

Fees: $15

Turnaround: One week

Technical_Prerequisites: Geographic Information System software

Metadata_Reference_Information:

Metadata_Date: 20100630

Metadata_Future_Review_Date: None planned

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: William J. Burns

Contact_Organization: Oregon Department of Geology and Mineral Industries

Contact_Position: Engineering Geologist

Contact_Address:

Address_Type: mailing and physical address

Address: 800 NE Oregon Street #28, Suite 965

City: Portland

State_or_Province: Oregon

Postal_Code: 97232

Country: USA

Contact_Voice_Telephone: 971-673-1538

Contact_Facsimile_Telephone: 971-673-1562

Contact_Electronic_Mail_Address: bill.burns@dogami.state.or.us

Hours_of_Service: 8am - 5pm

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Access_Constraints: None

Metadata_Use_Constraints: None

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile