Landslides in Cobán quadrangle, Guatemala

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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: Robert C. Bucknam
Originator: Jeffrey A. Coe
Originator: Manuel Antonio Mota
Publication_Date: 2001
Title: Landslides in Cobán quadrangle, Guatemala
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:

Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 01-443

Publication_Information:

Publication_Place: Denver, CO
Publisher: U.S. Geological Survey

Online_Linkage: http://pubs.usgs.gov/of/2001/ofr-01-0443/
Larger_Work_Citation:

Citation_Information:

Originator: Robert C. Bucknam
Originator: Jeffrey A. Coe
Originator: Manuel Antonio Mota
Originator: Jonathan W. Godt
Originator: Arthur C. Tarr
Originator: Lee-Ann Bradley
Originator: Sharon Rafferty
Originator: Dean Hancock
Originator: Richard L. Dart
Originator: Margo L. Johnson
Publication_Date: 2001
Title:

Landslides Triggered by Hurricane Mitch in Guatemala - Inventory and Discussion

Series_Information:

Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 01-443

Publication_Information:

Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey

Online_Linkage: http://pubs.usgs.gov/of/2001/ofr-01-0443/

Description:

Abstract:

This cover contains the outlines of landslides formed during Hurricane Mitch in October - November 1998. Jeffrey Coe and Robert Bucknam mapped the landslides and related effects in and adjacent to downstream drainages. Most landslides were mapped using 1:40,000-scale aerial photographs and a Kern PG-2 photogrammetric plotter at 4X and 8X magnifications. 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 scales of 1:50,000 or 1:25,000. In areas where landslides were very sparse, the aerial photographs were scanned with a mirror stereoscope at 4X magnification, and landslide locations were transferred to base maps by inspection. The mapped landslides were digitized manually or by an optical scanner, and the data were then digitally registered to a digital version of the base map in ArcInfo.

Purpose:

The cover shows the distribution of slope failures formed during Hurricane Mitch in one of twenty 1:50,000-scale maps within a large study area adjacent to the Motagua and Polochic Rivers. The maps may also show recent landslides that formed prior before and after 1998. When combined, the maps provide a detailed inventory of landslides over a large geographic area (~10,000 km2) of diverse geology, geomorphology, microclimates, and vegetation.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 199810
Ending_Date: 199811

Currentness_Reference: ground condition

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -90.422739
East_Bounding_Coordinate: -90.249964
North_Bounding_Coordinate: 15.451695
South_Bounding_Coordinate: 15.333300

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: geology
Theme_Keyword: landslides
Theme_Keyword: hurricanes
Theme_Keyword: precipitation (atmospheric)
Theme_Keyword: geospatial datasets

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: geoscientificInformation

Place:

Place_Keyword_Thesaurus: none
Place_Keyword: Guatemala

Place:

Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: GT = Guatemala

Temporal:

Temporal_Keyword: October 1998 - November 1998

Access_Constraints: None
Use_Constraints:

These maps are inventory maps, not hazard maps, and should not be enlarged to a scale larger than 1:50,000.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Jeffrey A Coe
Contact_Organization: U.S. Geological Survey, CR

Contact_Position: Hydrologist
Contact_Address:

Address_Type: mailing address
Address:

Mail Stop 966
P.O. Box 25046

City: Lakewood
State_or_Province: CO
Postal_Code: 80225
Country: USA

Contact_Voice_Telephone: 303-273-8606
Contact_Facsimile_Telephone: 303-273-8600
Contact_Electronic_Mail_Address: jcoe@usgs.gov

Browse_Graphic:

Browse_Graphic_File_Name:

http://geo-nsdi.er.usgs.gov/metadata/open-file/01-443/01-443.png

Browse_Graphic_File_Description:

Index map showing general area of landslide assessment, 462x476 pixels, 9k bytes.

Browse_Graphic_File_Type: PNG

Data_Set_Credit:

This report is based on a cooperative study by the U.S. Geological Survey, Denver, Colorado and the Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia, Guatemala City, Guatemala. Work funded by the U.S. Agency for International Development's Hurricane Mitch Reconstruction Program.

Native_Data_Set_Environment:

Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.1.1.649

Data_Quality_Information:

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

The linework was digitized manually or by an optical scanner. Landslide locations mapped using the photogrammetric plotter are estimated accurate to within 50-100 m. Locations of landslides mapped using a mirror stereoscope are estimated to be accurate to within approximately 200 m.

Lineage:

Source_Information:

Source_Scale_Denominator: 40000
Type_of_Source_Media: aerial photographs
Source_Time_Period_of_Content:

Source_Currentness_Reference: ground condition

Process_Step:

Process_Description:

Most landslides were mapped using 1:40,000-scale aerial photographs and a Kern PG-2 photogrammetric plotter at 4X and 8X magnifications. 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 a scale of 1:50,000 or 1:25,000. In areas where landslides were very sparse, the aerial photographs were scanned with a mirror stereoscope at 4X magnification, and landslide locations were transferred to base maps by inspection. The mapped landslides were digitized manually or by an optical scanner, and the data were then digitally registered to a digital version of the base map in ArcInfo.

Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Jonathan W. Godt
Contact_Organization: U.S. Geological Survey

Contact_Voice_Telephone: (303) 273-8626
Contact_Facsimile_Telephone: (303) 273-8600
Contact_Electronic_Mail_Address: jgodt@usgs.gov
Hours_of_Service: 0800 - 1630 Mountain Time M-F
Contact_Instructions: E-mail is preferred

Process_Step:

Process_Description: Creation of original metadata record
Process_Date: 20020104
Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Jonathan W Godt
Contact_Organization: U.S. Geological Survey, CR

Contact_Address:

Address_Type: mailing address
Address:

Mail Stop 966
P.O. Box 25046

City: Lakewood
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

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Complete chain
Point_and_Vector_Object_Count: 281

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Label point
Point_and_Vector_Object_Count: 220

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 220

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 4

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: Transverse Mercator
Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 1.000000
Longitude_of_Central_Meridian: -90.375000
Latitude_of_Projection_Origin: 15.333333
False_Easting: 0.000000
False_Northing: 0.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:

Abscissa_Resolution: 0.000032
Ordinate_Resolution: 0.000032

Planar_Distance_Units: meters

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1927
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6378206.400000
Denominator_of_Flattening_Ratio: 294.978698

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: Landslide
Entity_Type_Definition:

Polygon delineating the planimetric area of a landslide found in coverages whose names begin with ls, ols, or yls

Attribute:

Attribute_Label: LS
Attribute_Definition:

Some regions within landslides were apparently unaffected by the landslide (that is, they represent areas bypassed by the landslide but are within its outer boundaries) This attribute is used to distinguish those areas from the landslide itself.

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: Landslide polygon

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 0
Enumerated_Domain_Value_Definition: Unaffected region within landslide polygon

Detailed_Description:

Entity_Type:

Entity_Type_Label: Mapped area
Entity_Type_Definition:

Polygon in the mm coverages, used to indicate the method by which landslides were identified, found in coverages whose names begin with mm.

Attribute:

Attribute_Label: MM
Attribute_Definition: Mapping method
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: mirror
Enumerated_Domain_Value_Definition: landslide features mapped with a mirror stereoscope

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: plotter
Enumerated_Domain_Value_Definition:

the landslide features within the polygon were mapped with a photogrammetric stereoplotter

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: notmap
Enumerated_Domain_Value_Definition: polygon falls outside the defined study area

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS Information Services

Contact_Address:

Address_Type: mailing address
Address: Box 25286 Denver Federal Center
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA

Contact_Voice_Telephone: 1-888-ASK-USGS
Contact_Facsimile_Telephone: 303-202-4693
Contact_Electronic_Mail_Address: ask@usgs.gov

Resource_Description: USGS Open-File Report 01-443
Distribution_Liability:

This report is preliminary and has not been reviewed for conformity with U.S.Geological Survey editorial standards nor with the North American Stratigraphic Code.Any use of trade names in this publication is for descriptive purposes only and does not imply endorsement by the U.S.Government.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ARCE
Format_Version_Number: 8.1
Format_Information_Content: Landslides

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: http://pubs.usgs.gov/of/2001/ofr-01-0443/EXPORT/ls21623.e00

Fees: none

Metadata_Reference_Information:

Metadata_Date: 20150223
Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Peter N Schweitzer
Contact_Organization: USGS Midwest Area

Contact_Position:

Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/

Contact_Address:

Address_Type: mailing address
Address:

Mail Stop 954
12201 Sunrise Valley Dr

City: Reston
State_or_Province: VA
Postal_Code: 20192-0002
Country: USA

Contact_Voice_Telephone: 703-648-6533
Contact_Facsimile_Telephone: 703-648-6252
Contact_Electronic_Mail_Address: pschweitzer@usgs.gov

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Access_Constraints: None
Metadata_Use_Constraints: None

This page is <https://geo-nsdi.er.usgs.gov/metadata/open-file/01-443/Coban/ls21623.html>