20251014
08404600
1.0
FALSE
Deposits_HoodAll
947161.777559
1038169.937992
1374460.392717
1444204.269685
1
002
Projected
GCS_NAD_1983_2011
NAD_1983_2011_Oregon_Statewide_Lambert_Ft_Intl
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Linear Unit: Foot (0.304800)
20251013
10375200
20251013
10375200
ItemDescription
ISO 19139 Metadata Implementation Specification
Oregon Department of Geology and Mineral Industries
1 971 673 1555
1 971 673 1562
800 NE Oregon Street Suite 965
Portland
Oregon
97232
US
dogami-info@dogami.oregon.gov
When contacting DOGAMI about this data set, please reference the data set title or other identifying information in your correspondence. DOGAMI publications can be downloaded from https://www.oregon.gov/dogami/pages/default.aspx
2025
ArcGIS Metadata
1.0
Oregon Department of Geology and Mineral Industries
1 971 673 1555
1 971 673 1562
800 NE Oregon Street Suite 965
Portland
Oregon
97232
US
dogami-info@dogami.oregon.gov
When contacting DOGAMI about this data set, please reference the data set title or other identifying information in your correspondence. DOGAMI publications can be downloaded from https://www.oregon.gov/dogami/pages/default.aspx
"GDB" Esri File Geodatabase
https://www.oregon.gov/dogami/pages/default.aspx
File Geodatabase Feature Class
Deposits
2025
Oregon Department of Geology and Mineral Industries
Oregon Department of Geology and Mineral Industries
Portland, Oregon, USA
vector digital data
Oregon Department of Geology and Mineral Industries Open-File Report
O-25-03
Landslide Inventory and Risk Reduction, Hood River County, Oregon
The landslide inventory is intended to provide users with basic information regarding landslides. This feature class consists of polygons delineating landslide deposits (including debris flow fans and talus extent).
The landslide inventory is intended to provide users with basic information regarding landslides. The geologic, terrain, and climatic conditions that led to landslides in the past may provide clues to the locations and conditions of future landslides, and it is intended that this data will provide useful information to develop regional landslide susceptibility maps, to guide site-specific investigations for future developments, and to assist in regional planning and mitigation of existing landslides.
The project described in this publication was supported in part by Federal Emergency Management Agency (FEMA) Cooperating Technical Partner, Cooperative Agreement Grants EMS -2021-CA-00011 and EMS -2022-CA-00019.
Oregon Department of Geology and Mineral Industries
1 971 673 1555
1 971 673 1562
800 NE Oregon Street Suite 965
Portland
Oregon
97232
US
dogami-info@dogami.oregon.gov
When contacting DOGAMI about this data set, please reference the data set title or other identifying information in your correspondence. DOGAMI publications can be downloaded from https://www.oregon.gov/dogami/pages/default.aspx
William J. Burns
Oregon Department of Geology and Mineral Industries
United States
North America
Oregon
Clatsop
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus
soil
surface
alluvium
sediment
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus
geoscientificinformation
ISO 19115 Topic Category
landslide
deposit
geologic hazard
Oregon Geospatial Enterprise Office Metadata Keyword Thesaurus
geoscientificinformation
landslide
deposit
geologic hazard
soil
surface
alluvium
sediment
United States
North America
Oregon
Clatsop
MAP DATA: This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. This publication cannot substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from the results shown in the publication.
Although these data have been processed successfully on a computer system at the Oregon Department of Geology and Mineral Industries, no warranty expressed or implied is made by DOGAMI regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.
Landslide Inventory and Risk Reduction, Hood River County, Oregon
2025
1.0
Oregon Department of Geology and Mineral Industries
Oregon Department of Geology and Mineral Industries
Portland, Oregon, USA
Oregon Department of Geology and Mineral Industries Open-File Report
O-25-03
https://www.oregon.gov/dogami/pages/default.aspx
true
-121.929218
-121.569526
45.706976
45.511945
Esri ArcGIS 13.5.3.57366
None
None
Relevant attributes from DOGAMI Special Paper 42 were filled in when applicable and visually checked for accuracy.
Landslide polygons were mapped and attributed for this landslide inventory specific study using DOGAMI Special Paper 42 methodology.
The Deposits feature class includes all landslide deposit polygons within the project study area. Landslides that are smaller than 100 square meters (1,075 square feet) may not be identified due to the resolution of the lidar data and air photos used in this project area.
The line work was captured by heads up digitizing at several different scales; 1:24,000 (the native scale of standard printed 7.5-minute topographic quadrangles), 1:10,000, and 1:4,000. All lines were relocated at a scale of 1:4,000 to ensure that all spatial data (lines) have been mapped consistently. Line work is published at a maximum scale of 1:8000 which is also the recommended use scale. Base map used for digitization was DOGAMI bare earth lidar. Lidar data quality requires that the average departure from planarity within any 10 meters by 10 meters area shall be no greater than 5 cm. However the accuracy may still vary.
Lidar-derived bare earth elevation model vertical accuracy is typically less than 1 foot.
This data was prepared using a wide variety of interpretation methods, including aerial photos, field work, map digitizing, and methods following the Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (Lidar) Imagery developed by Burns and Madin (DOGAMI Special Paper 42, 2009). In the Special Paper 42, the three primary tasks include compilation of previously mapped landslides, lidar-based morphologic mapping of landslide features, and review of aerial photographs. Landslides identified by these methods are digitally compiled into this database at varying scales. While the protocol recommends data use at a map scale of 1:8,000, and the geodatabase contains data at 1:8,000 or better, for representation purposes the data have been visualized on the map plate at 1:32,000. Each landslide is also attributed with classifications for activity, depth of failure, movement type, and confidence of interpretation.
Oregon Department of Geology and Mineral Industries
1 971 673 1555
1 971 673 1562
800 NE Oregon Street Suite 965
Portland
Oregon
97232
US
dogami-info@dogami.oregon.gov
When contacting DOGAMI about this data set, please reference the data set title or other identifying information in your correspondence. DOGAMI publications can be downloaded from https://www.oregon.gov/dogami/pages/default.aspx
Burns and Madin, 2009
Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (Lidar) Imagery
Burns and Madin, 2009
2009
Oregon Department of Geology and Mineral Industries
Oregon Department of Geology and Mineral Industries
Portland, Oregon, USA
Not Applicable
Oregon Department of Geology and Mineral Industries Special Paper
SP-42
https://www.oregongeology.org/pubs/sp/p-SP-42.htm
2009
Deposits
Feature Class
0
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
UNIQUE_ID
Unique code assigned by data steward to each landslide poygon in database.
DOGAMI
UNIQUE_ID
String
25
0
0
TYPE_MOVE
Each landslide should be classified into one the following types of movement: 1) slides 2) flows, 3) spreads, 4) topples, 5) falls, 6) complex.
DOGAMI
TYPE_MOVE
String
25
0
0
MOVE_CLASS
Landslides should be differentiated by the kinds of material involved and the mode of movement.
DOGAMI
MOVE_CLASS
String
75
0
0
MOVE_CODE
Movement code combining type of movement and type of material. For example, debris flow would be DFL.
DOGAMI
MOVE_CODE
String
50
0
0
CONFIDENCE
Confidence of identification: high, moderate, low.
DOGAMI
CONFIDENCE
String
25
0
0
AGE
Estimated age: historical landslide age less than 150 years, prehistorical greater than 150 years.
DOGAMI
AGE
String
25
0
0
NAME
Landslide name.
DOGAMI
NAME
String
50
0
0
GEOL
Geologic unit that the landslide occurred.
DOGAMI
GEOL
String
50
0
0
SLOPE
Adjacent slope angle, in degrees.
DOGAMI
SLOPE
Single
4
0
0
HS_HEIGHT
Change in elevation from bottom to top of head scarp, in feet.
DOGAMI
HS_HEIGHT
Single
4
0
0
FAN_HEIGHT
Change in elevation from top to toe of fan, in feet.
DOGAMI
FAN_HEIGHT
Single
4
0
0
FAIL_DEPTH
Estimate and/or calculated slope normal thickness of failure depth, in feet.
DOGAMI
FAIL_DEPTH
Single
4
0
0
DEEP_SHAL
The landslide is shallow seated (less than 15ft) or deep seated (greater than 15ft).
DOGAMI
DEEP_SHAL
String
25
0
0
HS_IS1
Horizontal distance from head scarp to internal scarp no. 1, in feet.
DOGAMI
HS_IS1
Single
4
0
0
IS1_IS2
Horizontal distance from internal scarp no. 1 to internal scarp no. 2, in feet.
DOGAMI
IS1_IS2
Single
4
0
0
IS2_IS3
Horizontal distance from internal scarp no. 2 to internal scarp no. 3, in feet.
DOGAMI
IS2_IS3
Single
4
0
0
IS3_IS4
Horizontal distance from internal scarp no. 3 to internal scarp no. 4, in feet.
DOGAMI
IS3_IS4
Single
4
0
0
HD_AVE
Calculated average horizontal distance between scarps, in feet.
DOGAMI
HD_AVE
Single
4
0
0
DIRECT
Direction of movement, in degrees.
DOGAMI
DIRECT
String
8
0
0
AREA
Size of landslide deposit, in square feet.
DOGAMI
AREA
Single
4
0
0
VOL
Volume of landslide deposit, in cubic feet.
DOGAMI
VOL
Single
4
0
0
REF_ID_COD
Unique code assigned by data steward to each original reference map.
DOGAMI
REF_ID_COD
String
50
0
0
MAP_UNIT_L
Map unit label: reference map unit label symbol taken from the original source map.
DOGAMI
MAP_UNIT_L
String
25
0
0
DESCRIPTION
Unit descriptor: landslide, flow, talus-colluvium.
DOGAMI
DESCRIPTION
String
25
0
0
YEAR
Year of landslide failure.
DOGAMI
YEAR
SmallInteger
2
0
0
DATE_RANGE
Date range of landslide failure.
DOGAMI
DATE_RANGE
String
25
0
0
REACTIVATION
Date of reactivation of previous landslide failure.
DOGAMI
REACTIVATION
String
50
0
0
MONTH
Month of landslide failure.
DOGAMI
MONTH
String
2
0
0
DAY
Day of landslide failure.
DOGAMI
DAY
String
2
0
0
Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Shape_Area
Shape_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
This feature class consists of polygons delineating landslide deposits (including debris flow fans and talus extent).
dataset
EPSG
8.2.10(10.3.1)
0
Simple
FALSE
0
TRUE
FALSE