Citation:
Citation_Information:
Originator: Jonathan W. Godt
Originator: Jeffrey A. Coe
Publication_Date: 2003
Title:
Map showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado: Debris-flow polygons
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 03-050
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Online_Linkage: http://pubs.usgs.gov/of/2003/ofr-03-050/
Larger_Work_Citation:
Citation_Information:
Originator: Jonathan W. Godt
Originator: Jeffrey A. Coe
Publication_Date: 2003
Title:
Map showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado
Edition: 1.0
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 03-050
Online_Linkage: http://pubs.usgs.gov/of/2003/ofr-03-050/
Description:
Abstract:
On July 28, 1999, about 480 debris flows were triggered by an
afternoon thunderstorm along the Continental Divide in Clear
Creek and Summit counties in the central Front Range of
Colorado. This cover shows the outlines of debris-flow source
areas, travel zones, and deposits. Jonathan Godt and Jeffrey
Coe mapped the debris flows from 1:12,000 scale color aerial
photography using a Kern PG-2 photogrammetric plotter. The
photographs were scaled and oriented to the topographic base
map using prominent topographic landmarks and plotted on a
transparent polyester overlay registered to the topographic
base maps at 1:12,000 scale. The mapped landslides were
digitized manually in ArcInfo. The final scale of the data are
1:24,000.
Purpose:
The purpose of these data is provide an inventory the debris
flows that were triggered over a 2-square kilometer area in
the central Front Range of Colorado by a July 28, 1999
thunderstorm. These data do not consitute a debris-flow hazard
map of the area.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20000911
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -105.913431
East_Bounding_Coordinate: -105.752311
North_Bounding_Coordinate: 39.774776
South_Bounding_Coordinate: 39.586585
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: landslides
Theme_Keyword: geospatial datasets
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: f08019 = Clear Creek
Place_Keyword: f08049 = Grand
Place_Keyword: f08117 = Summit
Access_Constraints: none
Use_Constraints:
This map is an inventory map, not hazard map, and should not be enlarged to a scale larger than 1:24,000.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jonathan Godt
Contact_Organization: U.S. Geological Survey
Contact_Position: Physical Scientist
Contact_Address:
Address_Type: mailing address
Address: Box 25046, MS 966
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA
Contact_Voice_Telephone: 303-273-8626
Contact_Facsimile_Telephone: 303-273-8600
Contact_Electronic_Mail_Address: jgodt@usgs.gov
Hours_of_Service: 8am - 4pm MST
Contact_Instructions: e-mail contact preferred
Browse_Graphic:
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.2.0.700
